mathskitchen.com - dns.ninja

`mathskitchen.com`

DNSSEC	⚠️ Not signed
A	3.171.85.9^{🇺🇸 Amazon3.171.84.0/22}
		PTR	`server-3-171-85-9.iad89.r.cloudfront.net`
A	3.171.85.77^{🇺🇸 Amazon3.171.84.0/22}
A	3.171.85.101^{🇺🇸 Amazon3.171.84.0/22}
A	3.171.85.121^{🇺🇸 Amazon3.171.84.0/22}
NS	`ns-546.awsdns-04.net` ⭐
		A	2600:9000:5302:2200::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-546.awsdns-04.net`
		A	205.251.194.34^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-546.awsdns-04.net`
NS	`ns-1425.awsdns-50.org`
		A	2600:9000:5305:9100::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1425.awsdns-50.org`
		A	205.251.197.145^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1425.awsdns-50.org`
NS	`ns-1793.awsdns-32.co.uk`
		A	2600:9000:5307:100::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1793.awsdns-32.co.uk`
		A	205.251.199.1^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1793.awsdns-32.co.uk`
NS	`ns-375.awsdns-46.com`
		A	2600:9000:5301:7700::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-375.awsdns-46.com`
		A	205.251.193.119^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-375.awsdns-46.com`
MX	`mathskitchen-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca0b::^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-lo2p265cu02300.inbound.protection.outlook.com`
		A	2a01:111:f403:ca0b::1^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-lo3p265cu00301.inbound.protection.outlook.com`
		A	2a01:111:f403:ca0b::2^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-lo0p265cu00202.inbound.protection.outlook.com`
		A	2a01:111:f403:ca1a::^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-cwxp265cu00500.inbound.protection.outlook.com`
		A	52.101.89.0^{🇬🇧 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-lo2p265cu02300.inbound.protection.outlook.com`
		A	52.101.89.1^{🇬🇧 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-lo0p265cu00201.inbound.protection.outlook.com`
		A	52.101.89.2^{🇬🇧 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-lo3p265cu00302.inbound.protection.outlook.com`
		A	52.101.99.2^{🇬🇧 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cwxp265cu00502.inbound.protection.outlook.com`
TXT	`23.02.2026`
SOA	`ns-546.awsdns-04.net`awsdns-hostmaster@amazon.com serial=1

`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=1785902319

Subdomains

www.mathskitchen.com

Same first word

mathskitchen.com

DNS History

114 records (9 active, 105 former)

●NSns-1425.awsdns-50.org2026-02-15 → 2026-08-05 · 3 obs

○ 2018-01-16 19:00:22
● 2026-02-15 23:33:00
● 2026-08-05 03:59:00

●NSns-1793.awsdns-32.co.uk2026-02-15 → 2026-08-05 · 3 obs

○ 2018-01-16 19:00:22
● 2026-02-15 23:33:00
● 2026-08-05 03:59:00

●NSns-375.awsdns-46.com2026-02-15 → 2026-08-05 · 3 obs

○ 2018-01-16 19:00:22
● 2026-02-15 23:33:00
● 2026-08-05 03:59:00

●NSns-546.awsdns-04.net2026-02-15 → 2026-08-05 · 3 obs

○ 2018-01-16 19:00:22
● 2026-02-15 23:33:00
● 2026-08-05 03:59:00

○NSns71.domaincontrol.com2016-12-17 → 2018-01-16 · 4 obs

● 2016-12-17 14:00:36
● 2018-01-16 19:00:22
○ 2026-02-15 23:33:00
○ 2026-08-05 03:59:00

○NSns72.domaincontrol.com2016-12-17 → 2018-01-16 · 4 obs

● 2016-12-17 14:00:36
● 2018-01-16 19:00:22
○ 2026-02-15 23:33:00
○ 2026-08-05 03:59:00

○MXmailstore1.secureserver.net2016-12-17 → 2018-01-16 · 4 obs

● 2016-12-17 14:00:36
● 2018-01-16 19:00:22
○ 2026-02-15 23:33:00
○ 2026-08-05 03:59:00

●MXmathskitchen-com.mail.protection.outlook.com2026-02-15 → 2026-08-05 · 5 obs

○ 2018-01-16 19:00:22
● 2026-02-15 23:33:00
○ 2026-07-26 03:44:44
● 2026-07-26 13:21:16
● 2026-08-05 03:59:00

○MXsmtp.secureserver.net2016-12-17 → 2018-01-16 · 4 obs

● 2016-12-17 14:00:36
● 2018-01-16 19:00:22
○ 2026-02-15 23:33:00
○ 2026-08-05 03:59:00

○A108.139.113.262026-04-10 → 2026-06-07 · 17 obs

○ 2026-04-04 09:37:46
● 2026-04-10 10:23:24
○ 2026-04-10 14:15:12
○ 2026-04-14 07:43:14
● 2026-04-14 10:59:54
○ 2026-04-14 16:40:22
○ 2026-04-17 00:16:00
● 2026-04-17 10:55:52
● 2026-04-18 03:33:28
○ 2026-04-18 07:12:28
○ 2026-06-06 03:02:34
● 2026-06-06 04:59:20
○ 2026-06-06 22:03:28
○ 2026-06-07 00:51:10
● 2026-06-07 07:22:20
○ 2026-06-07 07:58:50
○ 2026-08-05 03:59:00

○A108.139.113.502026-04-10 → 2026-06-07 · 17 obs

○A108.139.113.722026-04-10 → 2026-06-07 · 17 obs

○A108.139.113.762026-04-10 → 2026-06-07 · 17 obs

○A108.139.182.452026-03-30 → 2026-06-08 · 17 obs

○ 2026-03-29 19:16:06
● 2026-03-30 08:17:46
○ 2026-03-30 13:07:20
○ 2026-03-31 08:39:22
● 2026-03-31 11:26:00
○ 2026-04-01 01:06:04
○ 2026-06-02 01:18:02
● 2026-06-02 06:03:48
○ 2026-06-02 08:23:30
○ 2026-06-04 00:49:36
● 2026-06-04 06:14:22
● 2026-06-04 11:24:36
○ 2026-06-04 13:27:16
○ 2026-06-08 08:47:48
● 2026-06-08 16:30:08
○ 2026-06-08 19:32:32
○ 2026-08-05 03:59:00

○A108.139.182.52026-03-30 → 2026-06-08 · 17 obs

○A108.139.182.772026-03-30 → 2026-06-08 · 17 obs

○A108.139.182.892026-03-30 → 2026-06-08 · 17 obs

○A108.158.137.102026-04-03 → 2026-04-03 · 4 obs

○ 2026-04-03 18:34:46
● 2026-04-03 21:24:00
○ 2026-04-03 22:16:04
○ 2026-08-05 03:59:00

○A108.158.137.1092026-04-03 → 2026-04-03 · 4 obs

○ 2026-04-03 18:34:46
● 2026-04-03 21:24:00
○ 2026-04-03 22:16:04
○ 2026-08-05 03:59:00

○A108.158.137.572026-04-03 → 2026-04-03 · 4 obs

○ 2026-04-03 18:34:46
● 2026-04-03 21:24:00
○ 2026-04-03 22:16:04
○ 2026-08-05 03:59:00

○A108.158.137.662026-04-03 → 2026-04-03 · 4 obs

○ 2026-04-03 18:34:46
● 2026-04-03 21:24:00
○ 2026-04-03 22:16:04
○ 2026-08-05 03:59:00

○A13.224.125.1082026-06-15 → 2026-07-27 · 11 obs

○ 2026-06-08 19:32:32
● 2026-06-15 21:09:34
○ 2026-06-15 22:06:56
○ 2026-06-17 05:24:44
● 2026-06-17 07:52:30
○ 2026-06-17 17:04:22
● 2026-06-21 14:29:08
○ 2026-06-21 23:49:36
● 2026-07-27 16:10:22
○ 2026-07-27 18:51:26
○ 2026-08-05 03:59:00

○A13.224.125.282026-06-15 → 2026-07-27 · 11 obs

○A13.224.125.772026-06-15 → 2026-07-27 · 11 obs

○A13.224.125.932026-06-15 → 2026-07-27 · 11 obs

○A13.227.173.1032026-07-25 → 2026-07-28 · 14 obs

○ 2026-07-25 17:08:42
● 2026-07-25 21:36:22
○ 2026-07-26 00:31:10
● 2026-07-26 14:40:50
○ 2026-07-26 16:55:38
● 2026-07-27 05:45:44
○ 2026-07-27 09:50:50
● 2026-07-27 14:01:22
○ 2026-07-27 16:10:22
● 2026-07-28 02:35:30
○ 2026-07-28 03:39:58
● 2026-07-28 10:39:24
○ 2026-07-28 18:50:54
○ 2026-08-05 03:59:00

○A13.227.173.192026-07-25 → 2026-07-28 · 14 obs

○A13.227.173.452026-07-25 → 2026-07-28 · 14 obs

○A13.227.173.522026-07-25 → 2026-07-28 · 14 obs

○A13.32.205.1072026-05-19 → 2026-06-30 · 18 obs

○ 2026-05-19 10:14:46
● 2026-05-19 19:14:36
○ 2026-05-19 20:09:44
● 2026-05-19 22:41:40
● 2026-05-24 22:55:44
○ 2026-05-25 17:32:18
○ 2026-05-29 11:09:56
● 2026-05-30 09:11:14
○ 2026-05-31 13:10:48
● 2026-06-02 12:44:04
● 2026-06-04 16:20:54
○ 2026-06-05 07:47:36
○ 2026-06-08 04:02:56
● 2026-06-08 07:43:20
○ 2026-06-08 08:47:48
● 2026-06-30 08:44:20
○ 2026-06-30 17:51:42
○ 2026-08-05 03:59:00

○A13.32.205.302026-05-19 → 2026-06-30 · 18 obs

○A13.32.205.662026-05-19 → 2026-06-30 · 18 obs

○A13.32.205.802026-05-19 → 2026-06-30 · 18 obs

○A13.33.109.212026-04-21 → 2026-05-20 · 17 obs

○ 2026-04-18 07:12:28
● 2026-04-21 13:36:44
○ 2026-04-21 16:57:36
● 2026-04-21 19:54:04
○ 2026-04-21 23:09:36
○ 2026-04-26 09:34:16
● 2026-04-26 12:07:24
● 2026-04-27 00:33:36
○ 2026-04-27 05:42:28
○ 2026-05-14 19:20:50
● 2026-05-15 00:21:08
● 2026-05-15 06:38:40
○ 2026-05-15 12:07:08
○ 2026-05-20 14:17:38
● 2026-05-20 17:36:04
○ 2026-05-20 19:47:48
○ 2026-08-05 03:59:00

○A13.33.109.242026-04-21 → 2026-05-20 · 17 obs

○A13.33.109.722026-04-21 → 2026-05-20 · 17 obs

○A13.33.109.982026-04-21 → 2026-05-20 · 17 obs

○A13.33.129.1102026-04-22 → 2026-06-17 · 17 obs

○ 2026-04-21 23:09:36
● 2026-04-22 19:22:50
○ 2026-04-22 20:41:58
○ 2026-04-22 23:09:28
● 2026-04-22 23:47:08
○ 2026-04-23 00:36:52
○ 2026-05-10 02:58:12
● 2026-05-10 09:36:38
○ 2026-05-10 12:52:38
○ 2026-06-01 12:34:14
● 2026-06-01 19:11:26
● 2026-06-02 01:18:02
○ 2026-06-02 06:03:48
○ 2026-06-16 23:29:58
● 2026-06-17 01:24:10
○ 2026-06-17 05:24:44
○ 2026-08-05 03:59:00

○A13.33.129.1122026-04-22 → 2026-06-17 · 17 obs

○A13.33.129.692026-04-22 → 2026-06-17 · 17 obs

○A13.33.129.972026-04-22 → 2026-06-17 · 17 obs

○A13.33.131.102026-07-02 → 2026-07-27 · 27 obs

○ 2026-07-02 02:44:44
● 2026-07-02 22:59:08
○ 2026-07-03 02:04:52
● 2026-07-03 03:07:56
○ 2026-07-03 03:49:54
○ 2026-07-03 12:01:34
● 2026-07-13 17:03:26
● 2026-07-14 01:01:12
○ 2026-07-14 12:00:46
● 2026-07-24 05:09:08
○ 2026-07-24 15:38:20
● 2026-07-24 17:32:46
● 2026-07-25 14:13:46
○ 2026-07-25 15:40:16
● 2026-07-25 17:08:42
○ 2026-07-25 21:36:22
● 2026-07-26 00:31:10
○ 2026-07-26 03:44:44
● 2026-07-26 13:21:16
○ 2026-07-26 14:40:50
● 2026-07-26 16:55:38
○ 2026-07-26 18:50:08
● 2026-07-26 20:06:28
○ 2026-07-27 05:45:44
● 2026-07-27 23:01:02
○ 2026-07-28 02:35:30
○ 2026-08-05 03:59:00

○A13.33.131.1012026-07-02 → 2026-07-27 · 27 obs

○A13.33.131.1042026-07-02 → 2026-07-27 · 27 obs

○A13.33.131.632026-07-02 → 2026-07-27 · 27 obs

○A13.35.107.712026-07-12 → 2026-07-31 · 42 obs

○ 2026-07-12 05:17:30
● 2026-07-12 17:57:18
○ 2026-07-12 18:38:58
● 2026-07-13 02:40:32
○ 2026-07-13 05:20:34
○ 2026-07-14 20:44:18
● 2026-07-17 12:12:08
● 2026-07-19 05:31:10
○ 2026-07-20 17:05:42
● 2026-07-21 19:21:16
○ 2026-07-22 11:06:44
○ 2026-07-23 17:42:22
● 2026-07-24 15:38:20
● 2026-07-25 12:01:04
○ 2026-07-25 14:13:46
● 2026-07-25 15:40:16
○ 2026-07-25 17:08:42
● 2026-07-26 18:50:08
○ 2026-07-26 20:06:28
● 2026-07-27 09:50:50
○ 2026-07-27 14:01:22
● 2026-07-27 18:51:26
○ 2026-07-27 23:01:02
● 2026-07-28 03:39:58
○ 2026-07-28 07:28:34
● 2026-07-28 18:50:54
○ 2026-07-29 03:56:02
● 2026-07-29 07:37:54
○ 2026-07-29 10:31:52
● 2026-07-29 17:53:10
○ 2026-07-29 20:41:34
● 2026-07-30 01:17:20
○ 2026-07-30 13:25:02
● 2026-07-30 18:52:14
○ 2026-07-30 19:44:02
● 2026-07-31 01:44:00
○ 2026-07-31 04:17:56
● 2026-07-31 07:02:02
○ 2026-07-31 10:58:32
● 2026-07-31 15:43:02
○ 2026-07-31 18:55:58
○ 2026-08-05 03:59:00

○A13.35.107.742026-07-12 → 2026-07-31 · 42 obs

○A13.35.107.832026-07-12 → 2026-07-31 · 42 obs

○A13.35.107.842026-07-12 → 2026-07-31 · 42 obs

○A13.35.20.102026-05-27 → 2026-06-05 · 16 obs

○ 2026-05-27 03:43:34
● 2026-05-27 12:08:52
● 2026-05-27 13:15:40
○ 2026-05-27 16:51:28
○ 2026-05-29 07:01:02
● 2026-05-29 11:09:56
○ 2026-05-29 17:38:30
○ 2026-06-01 09:30:08
● 2026-06-01 12:34:14
○ 2026-06-01 19:11:26
○ 2026-06-05 05:01:32
● 2026-06-05 07:47:36
○ 2026-06-05 19:31:26
● 2026-06-05 21:41:04
○ 2026-06-05 22:19:28
○ 2026-08-05 03:59:00

○A13.35.20.1122026-05-27 → 2026-06-05 · 16 obs

○A13.35.20.562026-05-27 → 2026-06-05 · 16 obs

○A13.35.20.912026-05-27 → 2026-06-05 · 16 obs

○A13.35.36.352026-05-27 → 2026-05-29 · 7 obs

○ 2026-05-27 16:51:28
● 2026-05-27 21:02:06
○ 2026-05-28 00:53:02
○ 2026-05-29 03:26:34
● 2026-05-29 03:59:24
○ 2026-05-29 07:01:02
○ 2026-08-05 03:59:00

○A13.35.36.472026-05-27 → 2026-05-29 · 7 obs

○ 2026-05-27 16:51:28
● 2026-05-27 21:02:06
○ 2026-05-28 00:53:02
○ 2026-05-29 03:26:34
● 2026-05-29 03:59:24
○ 2026-05-29 07:01:02
○ 2026-08-05 03:59:00

○A13.35.36.532026-05-27 → 2026-05-29 · 7 obs

○ 2026-05-27 16:51:28
● 2026-05-27 21:02:06
○ 2026-05-28 00:53:02
○ 2026-05-29 03:26:34
● 2026-05-29 03:59:24
○ 2026-05-29 07:01:02
○ 2026-08-05 03:59:00

○A13.35.36.632026-05-27 → 2026-05-29 · 7 obs

○ 2026-05-27 16:51:28
● 2026-05-27 21:02:06
○ 2026-05-28 00:53:02
○ 2026-05-29 03:26:34
● 2026-05-29 03:59:24
○ 2026-05-29 07:01:02
○ 2026-08-05 03:59:00

○A143.204.29.1102026-03-31 → 2026-07-30 · 28 obs

○ 2026-03-30 13:07:20
● 2026-03-31 08:39:22
○ 2026-03-31 11:26:00
○ 2026-04-03 17:48:02
● 2026-04-03 18:34:46
○ 2026-04-04 01:15:30
● 2026-04-04 07:32:36
○ 2026-04-04 09:37:46
○ 2026-05-21 20:20:40
● 2026-06-24 09:43:58
○ 2026-06-24 19:03:16
● 2026-06-26 18:11:34
○ 2026-06-26 20:59:28
● 2026-06-27 17:31:04
○ 2026-06-27 18:16:48
● 2026-06-29 19:54:06
○ 2026-06-29 20:51:32
● 2026-07-28 07:28:34
○ 2026-07-28 10:39:24
● 2026-07-29 03:56:02
○ 2026-07-29 07:37:54
● 2026-07-29 10:31:52
○ 2026-07-29 17:53:10
● 2026-07-29 20:41:34
○ 2026-07-29 21:49:06
● 2026-07-30 13:25:02
○ 2026-07-30 18:52:14
○ 2026-08-05 03:59:00

○A143.204.29.1142026-03-31 → 2026-07-30 · 28 obs

○A143.204.29.272026-03-31 → 2026-07-30 · 28 obs

○A143.204.29.502026-03-31 → 2026-07-30 · 28 obs

○A18.161.111.1142026-05-27 → 2026-05-27 · 4 obs

○ 2026-05-26 19:32:22
● 2026-05-27 03:11:56
○ 2026-05-27 03:43:34
○ 2026-08-05 03:59:00

○A18.161.111.312026-05-27 → 2026-05-27 · 4 obs

○ 2026-05-26 19:32:22
● 2026-05-27 03:11:56
○ 2026-05-27 03:43:34
○ 2026-08-05 03:59:00

○A18.161.111.42026-05-27 → 2026-05-27 · 4 obs

○ 2026-05-26 19:32:22
● 2026-05-27 03:11:56
○ 2026-05-27 03:43:34
○ 2026-08-05 03:59:00

○A18.161.111.82026-05-27 → 2026-05-27 · 4 obs

○ 2026-05-26 19:32:22
● 2026-05-27 03:11:56
○ 2026-05-27 03:43:34
○ 2026-08-05 03:59:00

○A18.164.124.1132026-03-13 → 2026-03-13 · 4 obs

○ 2026-02-27 23:13:26
● 2026-03-13 06:39:50
○ 2026-03-14 09:28:42
○ 2026-08-05 03:59:00

○A18.164.124.1232026-03-13 → 2026-03-13 · 4 obs

○ 2026-02-27 23:13:26
● 2026-03-13 06:39:50
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○ 2026-08-05 03:59:00

○A18.164.124.672026-03-13 → 2026-03-13 · 4 obs

○ 2026-02-27 23:13:26
● 2026-03-13 06:39:50
○ 2026-03-14 09:28:42
○ 2026-08-05 03:59:00

○A18.164.124.782026-03-13 → 2026-03-13 · 4 obs

○ 2026-02-27 23:13:26
● 2026-03-13 06:39:50
○ 2026-03-14 09:28:42
○ 2026-08-05 03:59:00

○A18.165.140.1192026-03-24 → 2026-07-20 · 17 obs

○ 2026-03-24 03:16:26
● 2026-03-24 16:18:34
○ 2026-03-25 01:03:20
○ 2026-03-26 17:46:12
● 2026-03-26 22:42:04
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● 2026-07-11 21:12:32
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● 2026-07-13 21:17:10
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● 2026-07-20 00:08:44
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○A18.165.140.132026-03-24 → 2026-07-20 · 17 obs

○A18.165.140.662026-03-24 → 2026-07-20 · 17 obs

○A18.165.140.872026-03-24 → 2026-07-20 · 17 obs

○A18.173.5.182026-03-23 → 2026-03-23 · 4 obs

○ 2026-03-22 17:00:32
● 2026-03-23 06:42:54
○ 2026-03-23 14:41:06
○ 2026-08-05 03:59:00

○A18.173.5.212026-03-23 → 2026-03-23 · 4 obs

○ 2026-03-22 17:00:32
● 2026-03-23 06:42:54
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○ 2026-08-05 03:59:00

○A18.173.5.272026-03-23 → 2026-03-23 · 4 obs

○ 2026-03-22 17:00:32
● 2026-03-23 06:42:54
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○ 2026-08-05 03:59:00

○A18.173.5.572026-03-23 → 2026-03-23 · 4 obs

○ 2026-03-22 17:00:32
● 2026-03-23 06:42:54
○ 2026-03-23 14:41:06
○ 2026-08-05 03:59:00

○A18.245.253.122026-02-15 → 2026-06-18 · 17 obs

○ 2018-01-16 19:00:22
● 2026-02-15 23:33:00
● 2026-02-16 10:18:30
○ 2026-02-17 07:57:28
○ 2026-02-18 21:47:20
● 2026-02-19 04:50:44
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● 2026-06-18 19:21:08
○ 2026-06-18 20:39:28
○ 2026-08-05 03:59:00

○A18.245.253.1252026-02-15 → 2026-06-18 · 17 obs

○A18.245.253.212026-02-15 → 2026-06-18 · 17 obs

○A18.245.253.612026-02-15 → 2026-06-18 · 17 obs

○A18.65.39.192026-03-23 → 2026-03-23 · 5 obs

○ 2026-03-23 14:41:06
● 2026-03-23 19:13:34
● 2026-03-23 23:16:54
○ 2026-03-24 03:16:26
○ 2026-08-05 03:59:00

○A18.65.39.202026-03-23 → 2026-03-23 · 5 obs

○ 2026-03-23 14:41:06
● 2026-03-23 19:13:34
● 2026-03-23 23:16:54
○ 2026-03-24 03:16:26
○ 2026-08-05 03:59:00

○A18.65.39.292026-03-23 → 2026-03-23 · 5 obs

○ 2026-03-23 14:41:06
● 2026-03-23 19:13:34
● 2026-03-23 23:16:54
○ 2026-03-24 03:16:26
○ 2026-08-05 03:59:00

○A18.65.39.362026-03-23 → 2026-03-23 · 5 obs

○ 2026-03-23 14:41:06
● 2026-03-23 19:13:34
● 2026-03-23 23:16:54
○ 2026-03-24 03:16:26
○ 2026-08-05 03:59:00

○A216.137.53.1252026-02-23 → 2026-07-16 · 18 obs

○ 2026-02-23 03:26:40
● 2026-02-23 19:39:08
● 2026-02-27 01:12:08
○ 2026-02-27 18:39:50
● 2026-02-27 23:13:26
● 2026-05-19 08:03:10
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● 2026-06-08 19:32:32
● 2026-06-19 11:34:02
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○ 2026-06-25 05:46:22
● 2026-06-26 12:44:06
● 2026-06-30 17:51:42
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● 2026-07-16 19:22:14
○ 2026-07-16 20:47:58
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○A216.137.53.1282026-02-23 → 2026-07-16 · 18 obs

○A216.137.53.342026-02-23 → 2026-07-16 · 18 obs

○A216.137.53.742026-02-23 → 2026-07-16 · 18 obs

○A3.164.6.1162026-03-29 → 2026-08-05 · 44 obs

○ 2026-03-28 11:22:58
● 2026-03-29 19:16:06
○ 2026-03-30 08:17:46
○ 2026-04-01 09:30:06
● 2026-04-01 12:10:08
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○ 2026-06-16 03:05:44
● 2026-06-30 22:26:38
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● 2026-07-05 10:03:28
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● 2026-07-23 23:33:04
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● 2026-07-30 19:44:02
○ 2026-07-30 23:52:36
● 2026-07-31 04:17:56
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● 2026-07-31 18:55:58
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● 2026-08-01 14:41:30
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● 2026-08-01 18:56:28
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● 2026-08-02 08:43:08
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● 2026-08-05 01:01:34
○ 2026-08-05 03:58:58
○ 2026-08-05 03:59:00

○A3.164.6.182026-03-29 → 2026-08-05 · 44 obs

○A3.164.6.742026-03-29 → 2026-08-05 · 44 obs

○A3.164.6.782026-03-29 → 2026-08-05 · 44 obs

○A3.165.148.1212026-03-22 → 2026-05-29 · 7 obs

○ 2026-03-14 09:28:42
● 2026-03-22 11:42:06
○ 2026-03-22 17:00:32
○ 2026-05-29 00:49:30
● 2026-05-29 02:26:08
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○A3.165.148.482026-03-22 → 2026-05-29 · 7 obs

○ 2026-03-14 09:28:42
● 2026-03-22 11:42:06
○ 2026-03-22 17:00:32
○ 2026-05-29 00:49:30
● 2026-05-29 02:26:08
○ 2026-05-29 03:26:34
○ 2026-08-05 03:59:00

○A3.165.148.872026-03-22 → 2026-05-29 · 7 obs

○ 2026-03-14 09:28:42
● 2026-03-22 11:42:06
○ 2026-03-22 17:00:32
○ 2026-05-29 00:49:30
● 2026-05-29 02:26:08
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○A3.165.148.882026-03-22 → 2026-05-29 · 7 obs

○ 2026-03-14 09:28:42
● 2026-03-22 11:42:06
○ 2026-03-22 17:00:32
○ 2026-05-29 00:49:30
● 2026-05-29 02:26:08
○ 2026-05-29 03:26:34
○ 2026-08-05 03:59:00

○A3.168.147.1212026-02-17 → 2026-08-05 · 42 obs

○ 2026-02-16 10:18:30
● 2026-02-17 07:57:28
○ 2026-02-17 12:20:18
● 2026-02-17 21:09:28
● 2026-02-18 21:47:20
○ 2026-02-19 04:50:44
○ 2026-03-28 11:22:58
● 2026-07-02 02:44:44
● 2026-07-04 07:45:56
○ 2026-07-05 03:12:04
● 2026-07-07 18:23:54
○ 2026-07-09 12:29:58
● 2026-07-15 12:44:54
● 2026-07-24 22:08:06
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● 2026-07-25 03:54:22
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● 2026-07-29 21:49:06
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● 2026-07-30 23:52:36
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● 2026-07-31 10:58:32
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● 2026-08-01 15:25:14
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● 2026-08-03 17:27:20
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● 2026-08-04 13:37:56
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● 2026-08-05 00:28:32
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○A3.168.147.632026-02-17 → 2026-08-05 · 42 obs

○A3.168.147.672026-02-17 → 2026-08-05 · 42 obs

○A3.168.147.792026-02-17 → 2026-08-05 · 42 obs

○A3.169.231.202026-08-02 → 2026-08-02 · 4 obs

○ 2026-08-01 18:56:28
● 2026-08-02 08:05:52
○ 2026-08-02 08:43:08
○ 2026-08-05 03:59:00

○A3.169.231.332026-08-02 → 2026-08-02 · 4 obs

○ 2026-08-01 18:56:28
● 2026-08-02 08:05:52
○ 2026-08-02 08:43:08
○ 2026-08-05 03:59:00

○A3.169.231.402026-08-02 → 2026-08-02 · 4 obs

○ 2026-08-01 18:56:28
● 2026-08-02 08:05:52
○ 2026-08-02 08:43:08
○ 2026-08-05 03:59:00

○A3.169.231.772026-08-02 → 2026-08-02 · 4 obs

○ 2026-08-01 18:56:28
● 2026-08-02 08:05:52
○ 2026-08-02 08:43:08
○ 2026-08-05 03:59:00

●A3.171.85.1012026-02-17 → 2026-08-05 · 24 obs

○ 2026-02-17 07:57:28
● 2026-02-17 12:20:18
○ 2026-02-17 21:09:28
○ 2026-02-19 04:50:44
● 2026-02-20 08:52:20
○ 2026-02-21 02:27:46
○ 2026-06-16 08:57:38
● 2026-06-19 06:53:26
● 2026-06-25 05:46:22
○ 2026-06-26 12:44:06
○ 2026-07-05 10:03:28
● 2026-07-08 07:56:20
● 2026-07-10 20:17:36
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● 2026-07-11 22:31:36
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● 2026-08-03 01:32:04
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● 2026-08-04 04:51:22
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● 2026-08-04 11:08:30
○ 2026-08-04 13:37:56
● 2026-08-05 03:58:58
● 2026-08-05 03:59:00

●A3.171.85.1212026-02-17 → 2026-08-05 · 24 obs

●A3.171.85.772026-02-17 → 2026-08-05 · 24 obs

●A3.171.85.92026-02-17 → 2026-08-05 · 24 obs

○A50.63.202.432016-12-17 → 2018-01-16 · 4 obs

● 2016-12-17 14:00:36
● 2018-01-16 19:00:22
○ 2026-02-15 23:33:00
○ 2026-08-05 03:59:00

○A52.85.193.432026-05-21 → 2026-05-26 · 7 obs

○ 2026-05-20 19:47:48
● 2026-05-21 06:55:42
○ 2026-05-21 07:28:08
○ 2026-05-26 12:02:10
● 2026-05-26 17:20:36
○ 2026-05-26 19:32:22
○ 2026-08-05 03:59:00

○A52.85.193.592026-05-21 → 2026-05-26 · 7 obs

○ 2026-05-20 19:47:48
● 2026-05-21 06:55:42
○ 2026-05-21 07:28:08
○ 2026-05-26 12:02:10
● 2026-05-26 17:20:36
○ 2026-05-26 19:32:22
○ 2026-08-05 03:59:00

○A52.85.193.772026-05-21 → 2026-05-26 · 7 obs

○ 2026-05-20 19:47:48
● 2026-05-21 06:55:42
○ 2026-05-21 07:28:08
○ 2026-05-26 12:02:10
● 2026-05-26 17:20:36
○ 2026-05-26 19:32:22
○ 2026-08-05 03:59:00

○A52.85.193.902026-05-21 → 2026-05-26 · 7 obs

○ 2026-05-20 19:47:48
● 2026-05-21 06:55:42
○ 2026-05-21 07:28:08
○ 2026-05-26 12:02:10
● 2026-05-26 17:20:36
○ 2026-05-26 19:32:22
○ 2026-08-05 03:59:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
mathskitchen.com	ns-546.awsdns-04.net, ns-375.awsdns-46.com, ns-1793.awsdns-32.co.uk, ns-1425.awsdns-50.org	2 records

✅ Authoritative Response

Server:205.251.197.145

NS records: ns-546.awsdns-04.net, ns-375.awsdns-46.com, ns-1793.awsdns-32.co.uk, ns-1425.awsdns-50.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mathskitchen.com (unsigned zone)

⏱️ Timing

Total: 1066ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`3.171.85.9, 3.171.85.101...`
NS	4	`ns-1425.awsdns-50.org, ns-1793.awsdns-32.co.uk...`
MX	1	`mathskitchen-com.mail.protection.outlook`
TXT	1	`23.02.2026`
SOA	1	`ns-546.awsdns-04.net awsdns-hostmaster.a`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-375.awsdns-46.com, ns-375.awsdns-46.com)

Analysis

Hierarchy

mathskitchen.com is a parent domain of www.mathskitchen.com.

IP Addresses

mathskitchen.com has four IP addresses: 3.171.85.9, 3.171.85.77, 3.171.85.101 and 3.171.85.121.

d1rrkbyqqfzggp.cloudfront.net, member.gravie.com, sdcmarketing.com and two other host names share IP numbers with mathskitchen.com.

Name Servers

The authoritative name servers for mathskitchen.com are ns-375.awsdns-46.com, ns-546.awsdns-04.net, ns-1425.awsdns-50.org and ns-1793.awsdns-32.co.uk.

mathskitchen.com shares at least some of its name servers with other domains, including d1uwpx4x4wshl1.cloudfront.net, biomoods.com, d3081rvq498n8h.cloudfront.net and two others.

The host names ns-375.awsdns-46.com, ns-546.awsdns-04.net, ns-1425.awsdns-50.org and ns-1793.awsdns-32.co.uk each resolve to two IP addresses: ns-375.awsdns-46.com resolves to 205.251.193.119 and 2600:9000:5301:7700::1; ns-546.awsdns-04.net resolves to 205.251.194.34 and 2600:9000:5302:2200::1; ns-1425.awsdns-50.org resolves to 205.251.197.145 and 2600:9000:5305:9100::1; ns-1793.awsdns-32.co.uk resolves to 205.251.199.1 and 2600:9000:5307:100::1.

Mail Servers

Mail for mathskitchen.com is handled by a single mail server, mathskitchen-com.mail.protection.outlook.com.

mathskitchen-com.mail.protection.outlook.com resolves to 8 IP addresses — 52.101.89.0, 52.101.89.1, 52.101.89.2 and 5 others.