engineeringstudymaterial.net - dns.ninja

`engineeringstudymaterial.net`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:5aa^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:85a7^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.5.170^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.133.167^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`koa.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2cf2^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`koa.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3f2^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`koa.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23f2^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`koa.ns.cloudflare.com`
		A	108.162.195.242^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`koa.ns.cloudflare.com`
		A	162.159.44.242^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`koa.ns.cloudflare.com`
		A	172.64.35.242^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`koa.ns.cloudflare.com`
NS	`sydney.ns.cloudflare.com`
		A	2606:4700:50::a29f:2666^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sydney.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c266^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sydney.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2266^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sydney.ns.cloudflare.com`
		A	108.162.194.102^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sydney.ns.cloudflare.com`
		A	162.159.38.102^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sydney.ns.cloudflare.com`
		A	172.64.34.102^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sydney.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.5.170, 172.67.133.167
		IPv6 hints	2606:4700:3033::6815:5aa, 2606:4700:3033::ac43:85a7
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=226, name=cloudflare-ech.com
SOA	`koa.ns.cloudflare.com`dns@cloudflare.com serial=2407476084

`net`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1785107852

Subdomains

www.engineeringstudymaterial.net

Same first word

engineeringstudymaterial.net

DNS History

131 records (6 active, 125 former)

●NSkoa.ns.cloudflare.com2026-03-15 → 2026-07-26 · 3 obs

○ 2017-05-09 20:48:40
● 2026-03-15 23:56:32
● 2026-07-26 23:52:22

○NSns-1347.awsdns-40.org2017-05-08 → 2017-05-09 · 5 obs

○ 2017-02-16 09:58:36
● 2017-05-08 12:18:14
● 2017-05-09 20:48:40
○ 2026-03-15 23:56:32
○ 2026-07-26 23:52:22

○NSns-1662.awsdns-15.co.uk2017-05-08 → 2017-05-09 · 5 obs

○ 2017-02-16 09:58:36
● 2017-05-08 12:18:14
● 2017-05-09 20:48:40
○ 2026-03-15 23:56:32
○ 2026-07-26 23:52:22

○NSns-344.awsdns-43.com2017-05-08 → 2017-05-09 · 5 obs

○ 2017-02-16 09:58:36
● 2017-05-08 12:18:14
● 2017-05-09 20:48:40
○ 2026-03-15 23:56:32
○ 2026-07-26 23:52:22

○NSns-558.awsdns-05.net2017-05-08 → 2017-05-09 · 5 obs

○ 2017-02-16 09:58:36
● 2017-05-08 12:18:14
● 2017-05-09 20:48:40
○ 2026-03-15 23:56:32
○ 2026-07-26 23:52:22

○NSns1.digitalocean.com2016-12-05 → 2017-02-16 · 4 obs

● 2016-12-05 00:26:44
● 2017-02-16 09:58:36
○ 2017-05-08 12:18:14
○ 2026-07-26 23:52:22

○NSns2.digitalocean.com2016-12-05 → 2017-02-16 · 4 obs

● 2016-12-05 00:26:44
● 2017-02-16 09:58:36
○ 2017-05-08 12:18:14
○ 2026-07-26 23:52:22

○NSns3.digitalocean.com2016-12-05 → 2017-02-16 · 4 obs

● 2016-12-05 00:26:44
● 2017-02-16 09:58:36
○ 2017-05-08 12:18:14
○ 2026-07-26 23:52:22

●NSsydney.ns.cloudflare.com2026-03-15 → 2026-07-26 · 3 obs

○ 2017-05-09 20:48:40
● 2026-03-15 23:56:32
● 2026-07-26 23:52:22

○MXinbound-smtp.us-east-1.amazonaws.com2017-05-08 → 2017-05-09 · 5 obs

○ 2017-02-16 09:58:36
● 2017-05-08 12:18:14
● 2017-05-09 20:48:40
○ 2026-03-15 23:56:32
○ 2026-07-26 23:52:22

○MXmx1.improvmx.com2017-02-16 → 2017-02-16 · 4 obs

○ 2016-12-05 00:26:44
● 2017-02-16 09:58:36
○ 2017-05-08 12:18:14
○ 2026-07-26 23:52:22

○MXmx2.improvmx.com2017-02-16 → 2017-02-16 · 4 obs

○ 2016-12-05 00:26:44
● 2017-02-16 09:58:36
○ 2017-05-08 12:18:14
○ 2026-07-26 23:52:22

○MXmxa.mailgun.org2016-12-05 → 2016-12-05 · 3 obs

● 2016-12-05 00:26:44
○ 2017-02-16 09:58:36
○ 2026-07-26 23:52:22

○MXmxb.mailgun.org2016-12-05 → 2016-12-05 · 3 obs

● 2016-12-05 00:26:44
○ 2017-02-16 09:58:36
○ 2026-07-26 23:52:22

●A104.21.5.1702026-03-17 → 2026-07-26 · 43 obs

○ 2026-03-16 03:37:22
● 2026-03-17 22:08:50
○ 2026-03-18 21:27:40
○ 2026-03-26 04:07:08
● 2026-03-26 17:12:40
● 2026-03-28 03:03:06
○ 2026-03-29 18:21:44
● 2026-03-30 20:33:22
● 2026-04-27 20:36:02
○ 2026-04-29 16:10:54
● 2026-04-30 00:25:10
● 2026-05-01 00:05:00
○ 2026-05-01 01:30:52
● 2026-05-04 12:10:08
● 2026-05-10 04:05:12
○ 2026-05-10 19:42:30
● 2026-05-11 00:21:22
● 2026-05-17 15:59:28
○ 2026-05-18 22:30:24
● 2026-05-24 13:30:04
● 2026-05-24 16:51:20
○ 2026-05-25 19:07:28
● 2026-05-26 07:03:58
● 2026-05-29 12:42:12
○ 2026-05-31 06:47:48
● 2026-05-31 08:10:42
○ 2026-06-02 14:46:18
○ 2026-06-02 15:50:00
● 2026-06-03 15:05:48
○ 2026-06-08 11:04:38
○ 2026-06-12 15:10:18
● 2026-06-14 03:03:04
○ 2026-06-18 22:40:36
● 2026-07-03 04:20:56
○ 2026-07-03 14:19:46
● 2026-07-04 00:54:50
○ 2026-07-07 11:41:12
● 2026-07-10 11:25:30
○ 2026-07-10 12:22:06
● 2026-07-13 09:36:56
○ 2026-07-17 03:06:56
● 2026-07-19 02:34:20
● 2026-07-26 23:52:22

○A172.64.80.12026-03-15 → 2026-03-20 · 7 obs

○ 2017-05-09 20:48:40
● 2026-03-15 23:56:32
○ 2026-03-16 03:37:22
○ 2026-03-19 23:15:38
● 2026-03-20 11:10:42
○ 2026-03-23 22:32:30
○ 2026-07-26 23:52:22

●A172.67.133.1672026-03-17 → 2026-07-26 · 43 obs

○A188.114.96.02026-03-16 → 2026-07-17 · 54 obs

○ 2026-03-15 23:56:32
● 2026-03-16 03:37:22
○ 2026-03-17 22:08:50
● 2026-03-18 21:27:40
● 2026-03-19 23:15:38
○ 2026-03-20 11:10:42
● 2026-03-23 22:32:30
● 2026-03-26 04:07:08
○ 2026-03-26 17:12:40
○ 2026-03-28 03:03:06
● 2026-03-29 18:21:44
○ 2026-03-30 20:33:22
○ 2026-04-27 20:36:02
● 2026-04-29 16:10:54
○ 2026-04-30 00:25:10
○ 2026-05-01 00:05:00
● 2026-05-01 01:30:52
○ 2026-05-04 12:10:08
○ 2026-05-10 04:05:12
● 2026-05-10 19:42:30
○ 2026-05-11 00:21:22
○ 2026-05-17 15:59:28
● 2026-05-18 22:30:24
○ 2026-05-24 13:30:04
○ 2026-05-24 16:51:20
● 2026-05-25 19:07:28
○ 2026-05-26 07:03:58
○ 2026-06-02 14:46:18
● 2026-06-02 15:50:00
○ 2026-06-03 15:05:48
● 2026-06-08 11:04:38
● 2026-06-12 15:10:18
○ 2026-06-14 03:03:04
● 2026-06-18 22:40:36
○ 2026-06-19 19:45:48
● 2026-06-19 20:16:56
○ 2026-06-20 03:44:00
● 2026-06-20 06:03:58
○ 2026-06-21 16:22:58
● 2026-06-25 12:30:40
○ 2026-06-25 13:26:14
● 2026-06-25 14:20:20
○ 2026-07-03 04:20:56
● 2026-07-03 14:19:46
○ 2026-07-03 16:16:24
● 2026-07-07 11:41:12
○ 2026-07-10 11:25:30
● 2026-07-10 12:22:06
○ 2026-07-10 17:11:50
● 2026-07-10 17:45:06
○ 2026-07-13 09:36:56
● 2026-07-17 04:25:48
○ 2026-07-19 02:34:20
○ 2026-07-26 23:52:22

○A188.114.96.42026-05-31 → 2026-07-17 · 20 obs

○ 2026-05-29 12:42:12
● 2026-05-31 06:47:48
○ 2026-05-31 08:10:42
● 2026-06-02 14:46:18
○ 2026-06-02 15:50:00
● 2026-06-19 19:45:48
○ 2026-06-19 20:16:56
● 2026-06-20 03:44:00
○ 2026-06-20 06:03:58
● 2026-06-21 16:22:58
○ 2026-06-25 12:30:40
● 2026-06-25 13:26:14
○ 2026-06-25 14:20:20
● 2026-07-03 16:16:24
○ 2026-07-04 00:54:50
● 2026-07-10 17:11:50
○ 2026-07-10 17:45:06
● 2026-07-17 03:06:56
○ 2026-07-17 04:25:48
○ 2026-07-26 23:52:22

○A188.114.97.02026-03-16 → 2026-07-17 · 54 obs

○A188.114.97.42026-05-31 → 2026-07-17 · 20 obs

○A192.81.209.1972016-12-05 → 2017-02-16 · 4 obs

● 2016-12-05 00:26:44
● 2017-02-16 09:58:36
○ 2017-05-08 12:18:14
○ 2026-07-26 23:52:22

○A2606:4700:130:436c:6f75:6466:6c61:72652026-03-15 → 2026-03-15 · 4 obs

○ 2017-05-09 20:48:40
● 2026-03-15 23:56:32
○ 2026-03-16 03:37:22
○ 2026-07-26 23:52:22

○A2606:4700:3030::ac43:85a72026-03-17 → 2026-07-04 · 44 obs

○ 2026-03-16 03:37:22
● 2026-03-17 22:08:50
● 2026-03-20 11:10:42
○ 2026-03-23 22:32:30
○ 2026-03-25 16:57:24
● 2026-03-25 23:37:04
○ 2026-03-26 04:07:08
● 2026-03-26 17:12:40
● 2026-03-28 03:03:06
○ 2026-03-29 18:21:44
● 2026-03-30 20:33:22
● 2026-04-25 00:40:52
○ 2026-04-25 12:19:54
● 2026-04-26 12:44:28
● 2026-04-27 20:36:02
○ 2026-04-29 16:10:54
● 2026-04-30 00:25:10
● 2026-05-01 00:05:00
○ 2026-05-01 01:30:52
● 2026-05-04 12:10:08
● 2026-05-10 04:05:12
○ 2026-05-10 19:42:30
● 2026-05-11 00:21:22
● 2026-05-17 15:59:28
○ 2026-05-18 22:30:24
● 2026-05-24 13:30:04
● 2026-05-24 16:51:20
○ 2026-05-25 19:07:28
● 2026-05-26 07:03:58
● 2026-05-29 12:42:12
○ 2026-05-31 06:47:48
● 2026-05-31 08:10:42
○ 2026-06-02 14:46:18
○ 2026-06-02 15:50:00
● 2026-06-03 15:05:48
○ 2026-06-08 11:04:38
○ 2026-06-12 15:10:18
● 2026-06-14 03:03:04
○ 2026-06-18 22:40:36
● 2026-07-03 04:20:56
○ 2026-07-03 14:19:46
● 2026-07-04 00:54:50
○ 2026-07-07 11:41:12
○ 2026-07-26 23:52:22

●A2606:4700:3033::6815:5aa2026-07-10 → 2026-07-26 · 7 obs

○ 2026-07-07 12:13:14
● 2026-07-10 11:25:30
○ 2026-07-10 12:22:06
● 2026-07-13 09:36:56
○ 2026-07-17 03:06:56
● 2026-07-19 02:34:20
● 2026-07-26 23:52:22

●A2606:4700:3033::ac43:85a72026-07-10 → 2026-07-26 · 7 obs

○ 2026-07-07 12:13:14
● 2026-07-10 11:25:30
○ 2026-07-10 12:22:06
● 2026-07-13 09:36:56
○ 2026-07-17 03:06:56
● 2026-07-19 02:34:20
● 2026-07-26 23:52:22

○A2606:4700:3034::6815:5aa2026-03-17 → 2026-07-04 · 44 obs

○A2a06:98c1:3120::2026-03-16 → 2026-07-17 · 56 obs

○ 2026-03-15 23:56:32
● 2026-03-16 03:37:22
○ 2026-03-17 22:08:50
○ 2026-03-20 11:10:42
● 2026-03-23 22:32:30
● 2026-03-25 16:57:24
○ 2026-03-25 23:37:04
● 2026-03-26 04:07:08
○ 2026-03-26 17:12:40
○ 2026-03-28 03:03:06
● 2026-03-29 18:21:44
○ 2026-03-30 20:33:22
○ 2026-04-25 00:40:52
● 2026-04-25 12:19:54
○ 2026-04-26 12:44:28
○ 2026-04-27 20:36:02
● 2026-04-29 16:10:54
○ 2026-04-30 00:25:10
○ 2026-05-01 00:05:00
● 2026-05-01 01:30:52
○ 2026-05-04 12:10:08
○ 2026-05-10 04:05:12
● 2026-05-10 19:42:30
○ 2026-05-11 00:21:22
○ 2026-05-17 15:59:28
● 2026-05-18 22:30:24
○ 2026-05-24 13:30:04
○ 2026-05-24 16:51:20
● 2026-05-25 19:07:28
○ 2026-05-26 07:03:58
○ 2026-05-31 08:10:42
● 2026-06-02 14:46:18
● 2026-06-02 15:50:00
○ 2026-06-03 15:05:48
● 2026-06-08 11:04:38
● 2026-06-12 15:10:18
○ 2026-06-14 03:03:04
● 2026-06-18 23:25:18
○ 2026-06-19 19:45:48
● 2026-06-19 20:16:56
○ 2026-06-20 03:44:00
● 2026-06-20 06:03:58
○ 2026-06-25 12:30:40
● 2026-06-25 14:20:20
○ 2026-07-03 04:20:56
● 2026-07-03 17:06:46
○ 2026-07-04 00:54:50
● 2026-07-07 12:13:14
○ 2026-07-10 11:25:30
● 2026-07-10 12:22:06
○ 2026-07-10 17:11:50
● 2026-07-10 17:45:06
○ 2026-07-13 09:36:56
● 2026-07-17 04:25:48
○ 2026-07-19 02:34:20
○ 2026-07-26 23:52:22

○A2a06:98c1:3120::42026-05-31 → 2026-07-17 · 21 obs

○ 2026-05-29 12:42:12
● 2026-05-31 06:47:48
○ 2026-05-31 08:10:42
○ 2026-06-14 03:03:04
● 2026-06-18 22:40:36
○ 2026-06-18 23:25:18
● 2026-06-19 19:45:48
○ 2026-06-19 20:16:56
● 2026-06-20 03:44:00
○ 2026-06-20 06:03:58
● 2026-06-25 12:30:40
○ 2026-06-25 14:20:20
● 2026-07-03 14:19:46
○ 2026-07-03 17:06:46
● 2026-07-07 11:41:12
○ 2026-07-07 12:13:14
● 2026-07-10 17:11:50
○ 2026-07-10 17:45:06
● 2026-07-17 03:06:56
○ 2026-07-17 04:25:48
○ 2026-07-26 23:52:22

○A2a06:98c1:3121::2026-03-16 → 2026-07-17 · 56 obs

○A2a06:98c1:3121::42026-05-31 → 2026-07-17 · 21 obs

○A52.84.126.1122017-05-08 → 2017-05-08 · 4 obs

○ 2017-02-16 09:58:36
● 2017-05-08 12:18:14
○ 2017-05-09 20:48:40
○ 2026-07-26 23:52:22

○A52.84.126.1312017-05-08 → 2017-05-08 · 4 obs

○ 2017-02-16 09:58:36
● 2017-05-08 12:18:14
○ 2017-05-09 20:48:40
○ 2026-07-26 23:52:22

○A52.84.126.2002017-05-08 → 2017-05-08 · 4 obs

○ 2017-02-16 09:58:36
● 2017-05-08 12:18:14
○ 2017-05-09 20:48:40
○ 2026-07-26 23:52:22

○A52.84.126.2342017-05-08 → 2017-05-08 · 4 obs

○ 2017-02-16 09:58:36
● 2017-05-08 12:18:14
○ 2017-05-09 20:48:40
○ 2026-07-26 23:52:22

○A52.84.126.2512017-05-08 → 2017-05-08 · 4 obs

○ 2017-02-16 09:58:36
● 2017-05-08 12:18:14
○ 2017-05-09 20:48:40
○ 2026-07-26 23:52:22

○A52.84.126.762017-05-08 → 2017-05-08 · 4 obs

○ 2017-02-16 09:58:36
● 2017-05-08 12:18:14
○ 2017-05-09 20:48:40
○ 2026-07-26 23:52:22

○A52.84.126.812017-05-08 → 2017-05-08 · 4 obs

○ 2017-02-16 09:58:36
● 2017-05-08 12:18:14
○ 2017-05-09 20:48:40
○ 2026-07-26 23:52:22

○A52.84.126.942017-05-08 → 2017-05-08 · 4 obs

○ 2017-02-16 09:58:36
● 2017-05-08 12:18:14
○ 2017-05-09 20:48:40
○ 2026-07-26 23:52:22

○A52.84.174.1732017-05-09 → 2017-05-09 · 4 obs

○ 2017-05-08 12:18:14
● 2017-05-09 20:48:40
○ 2026-03-15 23:56:32
○ 2026-07-26 23:52:22

○A52.84.174.1932017-05-09 → 2017-05-09 · 4 obs

○ 2017-05-08 12:18:14
● 2017-05-09 20:48:40
○ 2026-03-15 23:56:32
○ 2026-07-26 23:52:22

○A52.84.174.2042017-05-09 → 2017-05-09 · 4 obs

○ 2017-05-08 12:18:14
● 2017-05-09 20:48:40
○ 2026-03-15 23:56:32
○ 2026-07-26 23:52:22

○A52.84.174.2142017-05-09 → 2017-05-09 · 4 obs

○ 2017-05-08 12:18:14
● 2017-05-09 20:48:40
○ 2026-03-15 23:56:32
○ 2026-07-26 23:52:22

○A52.84.174.2262017-05-09 → 2017-05-09 · 4 obs

○ 2017-05-08 12:18:14
● 2017-05-09 20:48:40
○ 2026-03-15 23:56:32
○ 2026-07-26 23:52:22

○A52.84.174.2432017-05-09 → 2017-05-09 · 4 obs

○ 2017-05-08 12:18:14
● 2017-05-09 20:48:40
○ 2026-03-15 23:56:32
○ 2026-07-26 23:52:22

○A52.84.174.692017-05-09 → 2017-05-09 · 4 obs

○ 2017-05-08 12:18:14
● 2017-05-09 20:48:40
○ 2026-03-15 23:56:32
○ 2026-07-26 23:52:22

○A52.84.174.812017-05-09 → 2017-05-09 · 4 obs

○ 2017-05-08 12:18:14
● 2017-05-09 20:48:40
○ 2026-03-15 23:56:32
○ 2026-07-26 23:52:22

○A52.84.50.112017-05-08 → 2017-05-08 · 4 obs

○ 2017-02-16 09:58:36
● 2017-05-08 12:18:14
○ 2017-05-09 20:48:40
○ 2026-07-26 23:52:22

○A52.84.50.1212017-05-08 → 2017-05-08 · 4 obs

○ 2017-02-16 09:58:36
● 2017-05-08 12:18:14
○ 2017-05-09 20:48:40
○ 2026-07-26 23:52:22

○A52.84.50.1262017-05-08 → 2017-05-08 · 4 obs

○ 2017-02-16 09:58:36
● 2017-05-08 12:18:14
○ 2017-05-09 20:48:40
○ 2026-07-26 23:52:22

○A52.84.50.1282017-05-09 → 2017-05-09 · 4 obs

○ 2017-05-08 12:18:14
● 2017-05-09 20:48:40
○ 2026-03-15 23:56:32
○ 2026-07-26 23:52:22

○A52.84.50.1482017-05-09 → 2017-05-09 · 4 obs

○ 2017-05-08 12:18:14
● 2017-05-09 20:48:40
○ 2026-03-15 23:56:32
○ 2026-07-26 23:52:22

○A52.84.50.1542017-05-08 → 2017-05-08 · 4 obs

○ 2017-02-16 09:58:36
● 2017-05-08 12:18:14
○ 2017-05-09 20:48:40
○ 2026-07-26 23:52:22

○A52.84.50.1672017-05-09 → 2017-05-09 · 4 obs

○ 2017-05-08 12:18:14
● 2017-05-09 20:48:40
○ 2026-03-15 23:56:32
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○A52.84.50.2112017-05-09 → 2017-05-09 · 4 obs

○ 2017-05-08 12:18:14
● 2017-05-09 20:48:40
○ 2026-03-15 23:56:32
○ 2026-07-26 23:52:22

○A52.84.50.2132017-05-09 → 2017-05-09 · 4 obs

○ 2017-05-08 12:18:14
● 2017-05-09 20:48:40
○ 2026-03-15 23:56:32
○ 2026-07-26 23:52:22

○A52.84.50.2302017-05-08 → 2017-05-08 · 4 obs

○ 2017-02-16 09:58:36
● 2017-05-08 12:18:14
○ 2017-05-09 20:48:40
○ 2026-07-26 23:52:22

○A52.84.50.2442017-05-09 → 2017-05-09 · 4 obs

○ 2017-05-08 12:18:14
● 2017-05-09 20:48:40
○ 2026-03-15 23:56:32
○ 2026-07-26 23:52:22

○A52.84.50.292017-05-08 → 2017-05-08 · 4 obs

○ 2017-02-16 09:58:36
● 2017-05-08 12:18:14
○ 2017-05-09 20:48:40
○ 2026-07-26 23:52:22

○A52.84.50.82017-05-08 → 2017-05-08 · 4 obs

○ 2017-02-16 09:58:36
● 2017-05-08 12:18:14
○ 2017-05-09 20:48:40
○ 2026-07-26 23:52:22

○A52.84.50.832017-05-09 → 2017-05-09 · 4 obs

○ 2017-05-08 12:18:14
● 2017-05-09 20:48:40
○ 2026-03-15 23:56:32
○ 2026-07-26 23:52:22

○A52.84.50.842017-05-09 → 2017-05-09 · 4 obs

○ 2017-05-08 12:18:14
● 2017-05-09 20:48:40
○ 2026-03-15 23:56:32
○ 2026-07-26 23:52:22

○A52.84.50.982017-05-08 → 2017-05-08 · 4 obs

○ 2017-02-16 09:58:36
● 2017-05-08 12:18:14
○ 2017-05-09 20:48:40
○ 2026-07-26 23:52:22

○A52.85.165.122017-05-08 → 2017-05-08 · 4 obs

○ 2017-02-16 09:58:36
● 2017-05-08 12:18:14
○ 2017-05-09 20:48:40
○ 2026-07-26 23:52:22

○A52.85.165.1232017-05-08 → 2017-05-08 · 4 obs

○ 2017-02-16 09:58:36
● 2017-05-08 12:18:14
○ 2017-05-09 20:48:40
○ 2026-07-26 23:52:22

○A52.85.165.1242017-05-08 → 2017-05-08 · 4 obs

○ 2017-02-16 09:58:36
● 2017-05-08 12:18:14
○ 2017-05-09 20:48:40
○ 2026-07-26 23:52:22

○A52.85.165.1452017-05-08 → 2017-05-08 · 4 obs

○ 2017-02-16 09:58:36
● 2017-05-08 12:18:14
○ 2017-05-09 20:48:40
○ 2026-07-26 23:52:22

○A52.85.165.1572017-05-08 → 2017-05-08 · 4 obs

○ 2017-02-16 09:58:36
● 2017-05-08 12:18:14
○ 2017-05-09 20:48:40
○ 2026-07-26 23:52:22

○A52.85.165.2062017-05-08 → 2017-05-08 · 4 obs

○ 2017-02-16 09:58:36
● 2017-05-08 12:18:14
○ 2017-05-09 20:48:40
○ 2026-07-26 23:52:22

○A52.85.165.2202017-05-08 → 2017-05-08 · 4 obs

○ 2017-02-16 09:58:36
● 2017-05-08 12:18:14
○ 2017-05-09 20:48:40
○ 2026-07-26 23:52:22

○A52.85.165.2542017-05-08 → 2017-05-08 · 4 obs

○ 2017-02-16 09:58:36
● 2017-05-08 12:18:14
○ 2017-05-09 20:48:40
○ 2026-07-26 23:52:22

○A54.192.117.1032017-05-08 → 2017-05-09 · 5 obs

○ 2017-02-16 09:58:36
● 2017-05-08 12:18:14
● 2017-05-09 20:48:40
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○A54.192.117.1182017-05-08 → 2017-05-09 · 5 obs

○ 2017-02-16 09:58:36
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○A54.192.117.1192017-05-08 → 2017-05-09 · 5 obs

○ 2017-02-16 09:58:36
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● 2017-05-09 20:48:40
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○A54.192.117.1562017-05-08 → 2017-05-09 · 5 obs

○ 2017-02-16 09:58:36
● 2017-05-08 12:18:14
● 2017-05-09 20:48:40
○ 2026-03-15 23:56:32
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○A54.192.117.422017-05-08 → 2017-05-09 · 5 obs

○ 2017-02-16 09:58:36
● 2017-05-08 12:18:14
● 2017-05-09 20:48:40
○ 2026-03-15 23:56:32
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○A54.192.117.462017-05-08 → 2017-05-09 · 5 obs

○ 2017-02-16 09:58:36
● 2017-05-08 12:18:14
● 2017-05-09 20:48:40
○ 2026-03-15 23:56:32
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○A54.192.117.792017-05-08 → 2017-05-09 · 5 obs

○ 2017-02-16 09:58:36
● 2017-05-08 12:18:14
● 2017-05-09 20:48:40
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○A54.192.117.972017-05-08 → 2017-05-09 · 5 obs

○ 2017-02-16 09:58:36
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● 2017-05-09 20:48:40
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○A54.192.135.1332017-05-08 → 2017-05-09 · 5 obs

○ 2017-02-16 09:58:36
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● 2017-05-09 20:48:40
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○A54.192.135.1822017-05-08 → 2017-05-09 · 5 obs

○ 2017-02-16 09:58:36
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● 2017-05-09 20:48:40
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○A54.192.135.2362017-05-08 → 2017-05-09 · 5 obs

○ 2017-02-16 09:58:36
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○ 2026-03-15 23:56:32
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○A54.192.135.2542017-05-08 → 2017-05-09 · 5 obs

○ 2017-02-16 09:58:36
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● 2017-05-09 20:48:40
○ 2026-03-15 23:56:32
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○A54.192.135.52017-05-08 → 2017-05-09 · 5 obs

○ 2017-02-16 09:58:36
● 2017-05-08 12:18:14
● 2017-05-09 20:48:40
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○A54.192.135.792017-05-08 → 2017-05-09 · 5 obs

○ 2017-02-16 09:58:36
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● 2017-05-09 20:48:40
○ 2026-03-15 23:56:32
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○A54.192.135.832017-05-08 → 2017-05-09 · 5 obs

○ 2017-02-16 09:58:36
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● 2017-05-09 20:48:40
○ 2026-03-15 23:56:32
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○A54.192.135.92017-05-08 → 2017-05-09 · 5 obs

○ 2017-02-16 09:58:36
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● 2017-05-09 20:48:40
○ 2026-03-15 23:56:32
○ 2026-07-26 23:52:22

○A54.192.159.1292017-05-08 → 2017-05-08 · 4 obs

○ 2017-02-16 09:58:36
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○ 2017-05-09 20:48:40
○ 2026-07-26 23:52:22

○A54.192.159.152017-05-08 → 2017-05-08 · 4 obs

○ 2017-02-16 09:58:36
● 2017-05-08 12:18:14
○ 2017-05-09 20:48:40
○ 2026-07-26 23:52:22

○A54.192.159.1852017-05-08 → 2017-05-08 · 4 obs

○ 2017-02-16 09:58:36
● 2017-05-08 12:18:14
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○ 2026-07-26 23:52:22

○A54.192.159.2282017-05-08 → 2017-05-08 · 4 obs

○ 2017-02-16 09:58:36
● 2017-05-08 12:18:14
○ 2017-05-09 20:48:40
○ 2026-07-26 23:52:22

○A54.192.159.2292017-05-08 → 2017-05-08 · 4 obs

○ 2017-02-16 09:58:36
● 2017-05-08 12:18:14
○ 2017-05-09 20:48:40
○ 2026-07-26 23:52:22

○A54.192.159.232017-05-08 → 2017-05-08 · 4 obs

○ 2017-02-16 09:58:36
● 2017-05-08 12:18:14
○ 2017-05-09 20:48:40
○ 2026-07-26 23:52:22

○A54.192.159.252017-05-08 → 2017-05-08 · 4 obs

○ 2017-02-16 09:58:36
● 2017-05-08 12:18:14
○ 2017-05-09 20:48:40
○ 2026-07-26 23:52:22

○A54.192.159.582017-05-08 → 2017-05-08 · 4 obs

○ 2017-02-16 09:58:36
● 2017-05-08 12:18:14
○ 2017-05-09 20:48:40
○ 2026-07-26 23:52:22

○A54.192.19.1092017-05-09 → 2017-05-09 · 4 obs

○ 2017-05-08 12:18:14
● 2017-05-09 20:48:40
○ 2026-03-15 23:56:32
○ 2026-07-26 23:52:22

○A54.192.19.1462017-05-09 → 2017-05-09 · 4 obs

○ 2017-05-08 12:18:14
● 2017-05-09 20:48:40
○ 2026-03-15 23:56:32
○ 2026-07-26 23:52:22

○A54.192.19.2022017-05-09 → 2017-05-09 · 4 obs

○ 2017-05-08 12:18:14
● 2017-05-09 20:48:40
○ 2026-03-15 23:56:32
○ 2026-07-26 23:52:22

○A54.192.19.2472017-05-09 → 2017-05-09 · 4 obs

○ 2017-05-08 12:18:14
● 2017-05-09 20:48:40
○ 2026-03-15 23:56:32
○ 2026-07-26 23:52:22

○A54.192.19.342017-05-09 → 2017-05-09 · 4 obs

○ 2017-05-08 12:18:14
● 2017-05-09 20:48:40
○ 2026-03-15 23:56:32
○ 2026-07-26 23:52:22

○A54.192.19.402017-05-09 → 2017-05-09 · 4 obs

○ 2017-05-08 12:18:14
● 2017-05-09 20:48:40
○ 2026-03-15 23:56:32
○ 2026-07-26 23:52:22

○A54.192.19.422017-05-09 → 2017-05-09 · 4 obs

○ 2017-05-08 12:18:14
● 2017-05-09 20:48:40
○ 2026-03-15 23:56:32
○ 2026-07-26 23:52:22

○A54.192.19.442017-05-09 → 2017-05-09 · 4 obs

○ 2017-05-08 12:18:14
● 2017-05-09 20:48:40
○ 2026-03-15 23:56:32
○ 2026-07-26 23:52:22

○A54.192.29.1072017-05-08 → 2017-05-09 · 5 obs

○ 2017-02-16 09:58:36
● 2017-05-08 12:18:14
● 2017-05-09 20:48:40
○ 2026-03-15 23:56:32
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○A54.192.29.1302017-05-08 → 2017-05-09 · 5 obs

○ 2017-02-16 09:58:36
● 2017-05-08 12:18:14
● 2017-05-09 20:48:40
○ 2026-03-15 23:56:32
○ 2026-07-26 23:52:22

○A54.192.29.1662017-05-08 → 2017-05-09 · 5 obs

○ 2017-02-16 09:58:36
● 2017-05-08 12:18:14
● 2017-05-09 20:48:40
○ 2026-03-15 23:56:32
○ 2026-07-26 23:52:22

○A54.192.29.1732017-05-08 → 2017-05-09 · 5 obs

○ 2017-02-16 09:58:36
● 2017-05-08 12:18:14
● 2017-05-09 20:48:40
○ 2026-03-15 23:56:32
○ 2026-07-26 23:52:22

○A54.192.29.1782017-05-08 → 2017-05-09 · 5 obs

○ 2017-02-16 09:58:36
● 2017-05-08 12:18:14
● 2017-05-09 20:48:40
○ 2026-03-15 23:56:32
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○A54.192.29.2332017-05-08 → 2017-05-09 · 5 obs

○ 2017-02-16 09:58:36
● 2017-05-08 12:18:14
● 2017-05-09 20:48:40
○ 2026-03-15 23:56:32
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○A54.192.29.302017-05-08 → 2017-05-09 · 5 obs

○ 2017-02-16 09:58:36
● 2017-05-08 12:18:14
● 2017-05-09 20:48:40
○ 2026-03-15 23:56:32
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○A54.192.29.532017-05-08 → 2017-05-09 · 5 obs

○ 2017-02-16 09:58:36
● 2017-05-08 12:18:14
● 2017-05-09 20:48:40
○ 2026-03-15 23:56:32
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○A54.230.109.1052017-05-08 → 2017-05-09 · 5 obs

○ 2017-02-16 09:58:36
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● 2017-05-09 20:48:40
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○A54.230.109.1432017-05-08 → 2017-05-09 · 5 obs

○ 2017-02-16 09:58:36
● 2017-05-08 12:18:14
● 2017-05-09 20:48:40
○ 2026-03-15 23:56:32
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○A54.230.109.1452017-05-09 → 2017-05-09 · 4 obs

○ 2017-05-08 12:18:14
● 2017-05-09 20:48:40
○ 2026-03-15 23:56:32
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○A54.230.109.1632017-05-08 → 2017-05-09 · 5 obs

○ 2017-02-16 09:58:36
● 2017-05-08 12:18:14
● 2017-05-09 20:48:40
○ 2026-03-15 23:56:32
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○A54.230.109.1742017-05-08 → 2017-05-08 · 4 obs

○ 2017-02-16 09:58:36
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○A54.230.109.1872017-05-09 → 2017-05-09 · 4 obs

○ 2017-05-08 12:18:14
● 2017-05-09 20:48:40
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○A54.230.109.2122017-05-09 → 2017-05-09 · 4 obs

○ 2017-05-08 12:18:14
● 2017-05-09 20:48:40
○ 2026-03-15 23:56:32
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○A54.230.109.2232017-05-08 → 2017-05-08 · 4 obs

○ 2017-02-16 09:58:36
● 2017-05-08 12:18:14
○ 2017-05-09 20:48:40
○ 2026-07-26 23:52:22

○A54.230.109.2272017-05-09 → 2017-05-09 · 4 obs

○ 2017-05-08 12:18:14
● 2017-05-09 20:48:40
○ 2026-03-15 23:56:32
○ 2026-07-26 23:52:22

○A54.230.109.2352017-05-08 → 2017-05-09 · 5 obs

○ 2017-02-16 09:58:36
● 2017-05-08 12:18:14
● 2017-05-09 20:48:40
○ 2026-03-15 23:56:32
○ 2026-07-26 23:52:22

○A54.230.109.822017-05-08 → 2017-05-08 · 4 obs

○ 2017-02-16 09:58:36
● 2017-05-08 12:18:14
○ 2017-05-09 20:48:40
○ 2026-07-26 23:52:22

○A54.230.109.972017-05-08 → 2017-05-08 · 4 obs

○ 2017-02-16 09:58:36
● 2017-05-08 12:18:14
○ 2017-05-09 20:48:40
○ 2026-07-26 23:52:22

○A54.230.156.1122017-05-09 → 2017-05-09 · 4 obs

○ 2017-05-08 12:18:14
● 2017-05-09 20:48:40
○ 2026-03-15 23:56:32
○ 2026-07-26 23:52:22

○A54.230.156.1282017-05-09 → 2017-05-09 · 4 obs

○ 2017-05-08 12:18:14
● 2017-05-09 20:48:40
○ 2026-03-15 23:56:32
○ 2026-07-26 23:52:22

○A54.230.156.1662017-05-09 → 2017-05-09 · 4 obs

○ 2017-05-08 12:18:14
● 2017-05-09 20:48:40
○ 2026-03-15 23:56:32
○ 2026-07-26 23:52:22

○A54.230.156.1812017-05-09 → 2017-05-09 · 4 obs

○ 2017-05-08 12:18:14
● 2017-05-09 20:48:40
○ 2026-03-15 23:56:32
○ 2026-07-26 23:52:22

○A54.230.156.2512017-05-09 → 2017-05-09 · 4 obs

○ 2017-05-08 12:18:14
● 2017-05-09 20:48:40
○ 2026-03-15 23:56:32
○ 2026-07-26 23:52:22

○A54.230.156.352017-05-09 → 2017-05-09 · 4 obs

○ 2017-05-08 12:18:14
● 2017-05-09 20:48:40
○ 2026-03-15 23:56:32
○ 2026-07-26 23:52:22

○A54.230.156.532017-05-09 → 2017-05-09 · 4 obs

○ 2017-05-08 12:18:14
● 2017-05-09 20:48:40
○ 2026-03-15 23:56:32
○ 2026-07-26 23:52:22

○A54.230.156.592017-05-09 → 2017-05-09 · 4 obs

○ 2017-05-08 12:18:14
● 2017-05-09 20:48:40
○ 2026-03-15 23:56:32
○ 2026-07-26 23:52:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	l.gtld-servers.net, b.gtld-servers.net, m.gtld-servers.net, j.gtld-servers.net...	-
engineeringstudymaterial.net	sydney.ns.cloudflare.com, koa.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.44.242

NS records: sydney.ns.cloudflare.com, koa.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for engineeringstudymaterial.net (unsigned zone)

⏱️ Timing

Total: 505ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.133.167, 104.21.5.170`
AAAA	2	`2606:4700:3033::6815:5aa, 2606:4700:3033::ac43:85a7`
NS	2	`koa.ns.cloudflare.com, sydney.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`koa.ns.cloudflare.com dns.cloudflare.com`

Analysis

Hierarchy

engineeringstudymaterial.net serves as the parent of www.engineeringstudymaterial.net.

IP Addresses

engineeringstudymaterial.net has four IP addresses: 104.21.5.170, 172.67.133.167, 2606:4700:3033::6815:5aa and 2606:4700:3033::ac43:85a7.

Two other host names, along with tr.(0x666170)house1.com, www.mbelabs.ch and admiralx-casinosavvy.pics, also share IP numbers with engineeringstudymaterial.net.

Name Servers

DNS delegation for engineeringstudymaterial.net points to two name servers: koa.ns.cloudflare.com and sydney.ns.cloudflare.com.

engineeringstudymaterial.net shares its NS records with other domains, for example hairbywadelee.com, artoftraction.com, goodgoodstudy-claude.pages.dev and two others.

engineeringstudymaterial.net has at least partial name server overlap with other domains, such as maimachin.cn, oldschoolcast.co.uk, solis77auty.com and two others.

These name servers tend to appear together with the name servers kipp.ns.cloudflare.com, cesar.ns.cloudflare.com and rose.ns.cloudflare.com.

DNS names with 6 IP addresses:

koa.ns.cloudflare.com has IP addresses 108.162.195.242, 162.159.44.242 and 172.64.35.242, plus 3 other.

sydney.ns.cloudflare.com has IP addresses 108.162.194.102, 162.159.38.102 and 172.64.34.102, plus 3 other.