leentechsystems.com - dns.ninja

`leentechsystems.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::6815:173a^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:d170^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.23.58^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.209.112^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`dean.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b99^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dean.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c199^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`dean.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2199^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`dean.ns.cloudflare.com`
		A	108.162.193.153^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dean.ns.cloudflare.com`
		A	172.64.33.153^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dean.ns.cloudflare.com`
		A	173.245.59.153^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dean.ns.cloudflare.com`
NS	`elly.ns.cloudflare.com`
		A	2606:4700:50::a29f:26f6^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elly.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2f6^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`elly.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22f6^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`elly.ns.cloudflare.com`
		A	108.162.194.246^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elly.ns.cloudflare.com`
		A	162.159.38.246^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elly.ns.cloudflare.com`
		A	172.64.34.246^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elly.ns.cloudflare.com`
MX	`_dc-mx.52a5f2d0a09a.leentechsystems.com` ⭐
		A	82.27.1.54^{🇬🇧 YOTTA82.27.1.0/24}
			PTR	`server2.startuplab.center`
TXT	`v=spf1 +a +mx +ip4:82.27.1.54 ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.23.58, 172.67.209.112
		IPv6 hints	2606:4700:3034::6815:173a, 2606:4700:3037::ac43:d170
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=84, name=cloudflare-ech.com
SOA	`dean.ns.cloudflare.com`dns@cloudflare.com serial=2410964312

`com`

	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=1786268369

Previously MX for

leentechsystems.com

Same first word

leentechsystems.com

DNS History

26 records (7 active, 19 former)

●NSdean.ns.cloudflare.com2026-02-17 → 2026-08-09 · 3 obs

○ 2021-10-22 06:11:48
● 2026-02-17 08:41:26
● 2026-08-09 09:48:16

○NSdiva.ns.cloudflare.com2016-11-28 → 2021-10-22 · 5 obs

○ 2016-04-12 17:59:40
● 2016-11-28 08:09:18
● 2021-10-22 06:11:48
○ 2026-02-17 08:41:26
○ 2026-08-09 09:48:16

●NSelly.ns.cloudflare.com2026-02-17 → 2026-08-09 · 3 obs

○ 2021-10-22 06:11:48
● 2026-02-17 08:41:26
● 2026-08-09 09:48:16

○NSns1.leentechsystems.com2007-12-02 → 2016-04-12 · 4 obs

● 2007-12-02 13:11:38
● 2016-04-12 17:59:40
○ 2016-11-28 08:09:18
○ 2026-08-09 09:48:16

○NSns2.leentechsystems.com2007-12-02 → 2016-04-12 · 4 obs

● 2007-12-02 13:11:38
● 2016-04-12 17:59:40
○ 2016-11-28 08:09:18
○ 2026-08-09 09:48:16

○NSpete.ns.cloudflare.com2016-11-28 → 2021-10-22 · 5 obs

○ 2016-04-12 17:59:40
● 2016-11-28 08:09:18
● 2021-10-22 06:11:48
○ 2026-02-17 08:41:26
○ 2026-08-09 09:48:16

●MX_dc-mx.52a5f2d0a09a.leentechsystems.com2026-02-17 → 2026-08-09 · 3 obs

○ 2021-10-22 06:11:48
● 2026-02-17 08:41:26
● 2026-08-09 09:48:16

○MXdc-51aee234.leentechsystems.com2016-11-28 → 2016-11-28 · 4 obs

○ 2016-04-12 17:59:40
● 2016-11-28 08:09:18
○ 2017-07-09 10:04:48
○ 2026-08-09 09:48:16

○MXdc-93e19d701623.leentechsystems.com2017-07-09 → 2017-07-09 · 4 obs

○ 2016-11-28 08:09:18
● 2017-07-09 10:04:48
○ 2021-10-22 06:11:48
○ 2026-08-09 09:48:16

○MXleentechsystems.com2007-12-02 → 2016-04-12 · 4 obs

● 2007-12-02 13:11:38
● 2016-04-12 17:59:40
○ 2016-11-28 08:09:18
○ 2026-08-09 09:48:16

○MXmail.leentechsystems.com2021-10-22 → 2021-10-22 · 4 obs

○ 2017-07-09 10:04:48
● 2021-10-22 06:11:48
○ 2026-02-17 08:41:26
○ 2026-08-09 09:48:16

●A104.21.23.582026-02-17 → 2026-08-09 · 21 obs

○ 2021-10-22 06:11:48
● 2026-02-17 08:41:26
● 2026-02-17 18:45:58
○ 2026-02-18 05:26:08
○ 2026-03-04 13:45:10
● 2026-03-05 20:30:40
● 2026-03-23 18:56:18
○ 2026-03-27 07:51:44
● 2026-03-27 23:57:54
● 2026-03-30 15:39:50
○ 2026-04-06 17:05:04
● 2026-04-07 23:46:26
○ 2026-06-24 14:42:36
● 2026-06-26 15:28:18
○ 2026-06-27 11:27:34
● 2026-06-27 13:25:16
○ 2026-07-07 16:12:34
● 2026-07-14 01:11:12
○ 2026-07-15 00:57:08
● 2026-07-19 10:12:02
● 2026-08-09 09:48:16

○A104.27.186.1962016-11-28 → 2017-07-09 · 5 obs

○ 2016-04-12 17:59:40
● 2016-11-28 08:09:18
● 2017-07-09 10:04:48
○ 2021-10-22 06:11:48
○ 2026-08-09 09:48:16

○A104.27.187.1962016-11-28 → 2017-07-09 · 5 obs

○ 2016-04-12 17:59:40
● 2016-11-28 08:09:18
● 2017-07-09 10:04:48
○ 2021-10-22 06:11:48
○ 2026-08-09 09:48:16

●A172.67.209.1122026-02-17 → 2026-08-09 · 21 obs

○A188.114.96.02026-02-18 → 2026-07-15 · 19 obs

○ 2026-02-17 18:45:58
● 2026-02-18 05:26:08
● 2026-03-04 13:45:10
○ 2026-03-05 20:30:40
○ 2026-03-23 18:56:18
● 2026-03-27 07:51:44
○ 2026-03-27 23:57:54
○ 2026-03-30 15:39:50
● 2026-04-06 17:05:04
○ 2026-04-07 23:46:26
● 2026-06-24 14:42:36
○ 2026-06-26 15:28:18
● 2026-06-27 11:27:34
○ 2026-06-27 13:25:16
● 2026-07-07 16:12:34
○ 2026-07-14 01:11:12
● 2026-07-15 00:57:08
○ 2026-07-19 10:12:02
○ 2026-08-09 09:48:16

○A188.114.97.02026-02-18 → 2026-07-15 · 19 obs

○A2400:cb00:2048:1::681b:bac42016-11-28 → 2017-07-09 · 5 obs

○ 2016-04-12 17:59:40
● 2016-11-28 08:09:18
● 2017-07-09 10:04:48
○ 2021-10-22 06:11:48
○ 2026-08-09 09:48:16

○A2400:cb00:2048:1::681b:bbc42016-11-28 → 2017-07-09 · 5 obs

○ 2016-04-12 17:59:40
● 2016-11-28 08:09:18
● 2017-07-09 10:04:48
○ 2021-10-22 06:11:48
○ 2026-08-09 09:48:16

○A2606:4700:3033::6815:173a2026-02-17 → 2026-06-16 · 15 obs

○ 2021-10-22 06:11:48
● 2026-02-17 08:41:26
● 2026-02-17 18:45:58
○ 2026-02-18 05:26:08
○ 2026-03-04 13:45:10
● 2026-03-05 20:30:40
● 2026-03-23 18:56:18
○ 2026-03-27 07:51:44
● 2026-03-27 23:57:54
● 2026-03-30 15:39:50
○ 2026-04-06 17:05:04
● 2026-04-07 23:46:26
● 2026-06-16 03:59:48
○ 2026-06-20 22:13:58
○ 2026-08-09 09:48:16

●A2606:4700:3034::6815:173a2026-06-20 → 2026-08-09 · 11 obs

○ 2026-06-16 03:59:48
● 2026-06-20 22:13:58
○ 2026-06-24 14:42:36
● 2026-06-26 15:28:18
○ 2026-06-27 11:27:34
● 2026-06-27 13:25:16
○ 2026-07-07 16:12:34
● 2026-07-14 01:11:12
○ 2026-07-15 00:57:08
● 2026-07-19 10:12:02
● 2026-08-09 09:48:16

●A2606:4700:3037::ac43:d1702026-02-17 → 2026-08-09 · 21 obs

○A2a06:98c1:3120::2026-02-18 → 2026-07-15 · 19 obs

○A2a06:98c1:3121::2026-02-18 → 2026-07-15 · 19 obs

○A69.65.40.1552007-12-02 → 2007-12-02 · 3 obs

● 2007-12-02 13:11:38
○ 2015-05-08 12:50:06
○ 2026-08-09 09:48:16

○A72.10.164.182015-05-08 → 2021-10-22 · 8 obs

○ 2007-12-02 13:11:38
● 2015-05-08 12:50:06
● 2016-04-12 17:59:40
○ 2016-11-28 08:09:18
○ 2017-07-09 10:04:48
● 2021-10-22 06:11:48
○ 2026-02-17 08:41:26
○ 2026-08-09 09:48:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
leentechsystems.com	dean.ns.cloudflare.com, elly.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.153

NS records: dean.ns.cloudflare.com, elly.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for leentechsystems.com (unsigned zone)

⏱️ Timing

Total: 272ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.23.58, 172.67.209.112`
AAAA	2	`2606:4700:3037::ac43:d170, 2606:4700:3034::6815:173a`
NS	2	`dean.ns.cloudflare.com, elly.ns.cloudflare.com`
MX	1	`_dc-mx.52a5f2d0a09a.leentechsystems.com`
TXT	1	`v=spf1 +a +mx +ip4:82.27.1.54 ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`dean.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (dean.ns.cloudflare.com, dean.ns.cloudflare.com, dean.ns.cloudflare.com...)

Analysis

IP Addresses

leentechsystems.com points to the four IP addresses 104.21.23.58, 172.67.209.112, 2606:4700:3034::6815:173a and 2606:4700:3037::ac43:d170.

Among the host names that share IP numbers with leentechsystems.com are denizliescortilanlari.com, emx.in, js.lydiasuniforms.com and two others.

Name Servers

leentechsystems.com is served by two delegated name servers, dean.ns.cloudflare.com and elly.ns.cloudflare.com.

leentechsystems.com has the same name server delegation as a number of other domains, such as astron.com.ph, vitamers.net, koesister.com and two more.

At least some of leentechsystems.com's name servers are shared with other domains, for example aa99930.com, crystalfactory.com, blockchainacademy.com.br and two more.

It is common for these name servers to be used in conjunction with the name servers jasper.ns.cloudflare.com, diva.ns.cloudflare.com and matteo.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

dean.ns.cloudflare.com carries IP addresses 108.162.193.153, 172.64.33.153 and 173.245.59.153, with 3 other addresses beyond those.

elly.ns.cloudflare.com carries IP addresses 108.162.194.246, 162.159.38.246 and 172.64.34.246, with 3 other addresses beyond those.

Mail Servers

leentechsystems.com routes its mail through a single mail server, _dc-mx.52a5f2d0a09a.leentechsystems.com.

There is one IP number for _dc-mx.52a5f2d0a09a.leentechsystems.com: 82.27.1.54.