ctcmath.com - dns.ninja

`ctcmath.com`

DNSSEC	⚠️ Not signed
A	52.85.193.7^{🇺🇸 Amazon52.85.192.0/22 - CloudFront TD}
		PTR	`server-52-85-193-7.iad55.r.cloudfront.net`
A	52.85.193.9^{🇺🇸 Amazon52.85.192.0/22 - CloudFront TD}
A	52.85.193.17^{🇺🇸 Amazon52.85.192.0/22 - CloudFront TD}
A	52.85.193.54^{🇺🇸 Amazon52.85.192.0/22 - CloudFront TD}
NS	`ns-1343.awsdns-39.org` ⭐
		A	2600:9000:5305:3f00::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1343.awsdns-39.org`
		A	205.251.197.63^{🇺🇸 Amazon205.251.197.0/24 prefix}
NS	`ns-1603.awsdns-08.co.uk`
		A	2600:9000:5306:4300::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1603.awsdns-08.co.uk`
		A	205.251.198.67^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1603.awsdns-08.co.uk`
NS	`ns-449.awsdns-56.com`
		A	2600:9000:5301:c100::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-449.awsdns-56.com`
		A	205.251.193.193^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-449.awsdns-56.com`
NS	`ns-874.awsdns-45.net`
		A	2600:9000:5303:6a00::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-874.awsdns-45.net`
		A	205.251.195.106^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-874.awsdns-45.net`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c08::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bi-in-f26.1e100.net`
		A	142.251.163.26^{🇺🇸 Google142.251.163.0/24}
			PTR	`wv-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1b^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f27.1e100.net`
		A	192.178.223.27^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f27.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1a^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f26.1e100.net`
		A	172.253.157.26^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f26.1e100.net`
TXT	`google-site-verification=DwxxlGr0SNjfWvEjYdpJaduQlx6WLAUmApeb8JqrS8k`
TXT	`stripe-verification=51a6bbf393a02c0047039cec1c766c2aecb14a89fa431437fdaeaaf40...`
TXT	`v=spf1 include:_spf.google.com include:47576200.spf06.hubspotemail.net ~all`
SOA	`ns-1343.awsdns-39.org`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=1782772136

rank #761415 globally
rank #333560 in the tld
WOT: SAFE (64/100)
📈 Tranco rank: #578,993

Previously MX for

ctcmath.com

www.ctcmath.com

Subdomains

www.ctcmath.com

email.ctcmath.com

Same first word

ctcmath.com

Similar names

mtcchat.com.mx

chcmatt.com

tcmchat.com

DNS History

62 records (13 active, 49 former)

●NSns-1343.awsdns-39.org2026-02-16 → 2026-06-29 · 3 obs

○ 2017-04-19 21:54:50
● 2026-02-16 14:36:52
● 2026-06-29 22:31:22

●NSns-1603.awsdns-08.co.uk2026-02-16 → 2026-06-29 · 3 obs

○ 2017-04-19 21:54:50
● 2026-02-16 14:36:52
● 2026-06-29 22:31:22

●NSns-449.awsdns-56.com2026-02-16 → 2026-06-29 · 3 obs

○ 2017-04-19 21:54:50
● 2026-02-16 14:36:52
● 2026-06-29 22:31:22

●NSns-874.awsdns-45.net2026-02-16 → 2026-06-29 · 3 obs

○ 2017-04-19 21:54:50
● 2026-02-16 14:36:52
● 2026-06-29 22:31:22

○NSns.liquidweb.com2015-06-17 → 2017-04-19 · 4 obs

● 2015-06-17 18:18:26
● 2017-04-19 21:54:50
○ 2026-02-16 14:36:52
○ 2026-06-29 22:31:22

○NSns1.liquidweb.com2015-06-17 → 2017-04-19 · 4 obs

● 2015-06-17 18:18:26
● 2017-04-19 21:54:50
○ 2026-02-16 14:36:52
○ 2026-06-29 22:31:22

●MXalt1.aspmx.l.google.com2026-02-16 → 2026-06-29 · 3 obs

○ 2017-04-19 21:54:50
● 2026-02-16 14:36:52
● 2026-06-29 22:31:22

●MXalt2.aspmx.l.google.com2026-02-16 → 2026-06-29 · 3 obs

○ 2017-04-19 21:54:50
● 2026-02-16 14:36:52
● 2026-06-29 22:31:22

●MXalt3.aspmx.l.google.com2026-02-16 → 2026-06-29 · 3 obs

○ 2017-04-19 21:54:50
● 2026-02-16 14:36:52
● 2026-06-29 22:31:22

●MXalt4.aspmx.l.google.com2026-02-16 → 2026-06-29 · 3 obs

○ 2017-04-19 21:54:50
● 2026-02-16 14:36:52
● 2026-06-29 22:31:22

●MXaspmx.l.google.com2026-02-16 → 2026-06-29 · 3 obs

○ 2017-04-19 21:54:50
● 2026-02-16 14:36:52
● 2026-06-29 22:31:22

○MXctcmath.com2015-06-17 → 2017-04-19 · 4 obs

● 2015-06-17 18:18:26
● 2017-04-19 21:54:50
○ 2026-02-16 14:36:52
○ 2026-06-29 22:31:22

○A108.139.134.1152026-04-15 → 2026-04-16 · 7 obs

○ 2026-04-14 22:06:32
● 2026-04-15 02:38:54
○ 2026-04-15 06:48:48
○ 2026-04-15 10:43:10
● 2026-04-16 02:31:04
○ 2026-04-16 13:24:46
○ 2026-06-29 22:31:22

○A108.139.134.462026-04-15 → 2026-04-16 · 7 obs

○ 2026-04-14 22:06:32
● 2026-04-15 02:38:54
○ 2026-04-15 06:48:48
○ 2026-04-15 10:43:10
● 2026-04-16 02:31:04
○ 2026-04-16 13:24:46
○ 2026-06-29 22:31:22

○A108.139.134.782026-04-15 → 2026-04-16 · 7 obs

○ 2026-04-14 22:06:32
● 2026-04-15 02:38:54
○ 2026-04-15 06:48:48
○ 2026-04-15 10:43:10
● 2026-04-16 02:31:04
○ 2026-04-16 13:24:46
○ 2026-06-29 22:31:22

○A108.139.134.862026-04-15 → 2026-04-16 · 7 obs

○ 2026-04-14 22:06:32
● 2026-04-15 02:38:54
○ 2026-04-15 06:48:48
○ 2026-04-15 10:43:10
● 2026-04-16 02:31:04
○ 2026-04-16 13:24:46
○ 2026-06-29 22:31:22

○A13.225.205.1132026-06-19 → 2026-06-26 · 8 obs

○ 2026-06-19 03:15:42
● 2026-06-19 14:18:24
○ 2026-06-21 16:40:34
● 2026-06-22 15:38:26
○ 2026-06-23 00:28:26
● 2026-06-26 12:07:02
○ 2026-06-26 17:39:32
○ 2026-06-29 22:31:22

○A13.225.205.232026-06-19 → 2026-06-26 · 8 obs

○ 2026-06-19 03:15:42
● 2026-06-19 14:18:24
○ 2026-06-21 16:40:34
● 2026-06-22 15:38:26
○ 2026-06-23 00:28:26
● 2026-06-26 12:07:02
○ 2026-06-26 17:39:32
○ 2026-06-29 22:31:22

○A13.225.205.282026-06-19 → 2026-06-26 · 8 obs

○ 2026-06-19 03:15:42
● 2026-06-19 14:18:24
○ 2026-06-21 16:40:34
● 2026-06-22 15:38:26
○ 2026-06-23 00:28:26
● 2026-06-26 12:07:02
○ 2026-06-26 17:39:32
○ 2026-06-29 22:31:22

○A13.225.205.642026-06-19 → 2026-06-26 · 8 obs

○ 2026-06-19 03:15:42
● 2026-06-19 14:18:24
○ 2026-06-21 16:40:34
● 2026-06-22 15:38:26
○ 2026-06-23 00:28:26
● 2026-06-26 12:07:02
○ 2026-06-26 17:39:32
○ 2026-06-29 22:31:22

○A13.225.47.1172026-05-19 → 2026-06-07 · 32 obs

○ 2026-05-19 01:59:46
● 2026-05-19 12:49:02
○ 2026-05-19 14:12:10
○ 2026-05-19 20:07:36
● 2026-05-20 01:18:04
○ 2026-05-20 01:49:04
● 2026-05-20 20:36:10
○ 2026-05-22 07:35:30
● 2026-05-22 08:38:04
○ 2026-05-26 02:00:54
● 2026-05-26 09:14:26
● 2026-05-27 15:03:58
○ 2026-05-29 00:58:32
● 2026-05-29 03:17:56
○ 2026-05-29 12:50:32
○ 2026-05-30 01:47:50
● 2026-05-30 13:14:52
○ 2026-05-31 01:03:38
● 2026-05-31 07:17:04
○ 2026-05-31 18:37:52
● 2026-06-01 19:30:18
● 2026-06-03 12:58:02
○ 2026-06-04 01:14:40
○ 2026-06-04 12:01:36
● 2026-06-04 19:37:34
● 2026-06-05 09:16:42
○ 2026-06-07 06:05:08
● 2026-06-07 06:59:12
○ 2026-06-07 11:01:00
● 2026-06-07 22:07:48
○ 2026-06-08 01:09:54
○ 2026-06-29 22:31:22

○A13.225.47.372026-05-19 → 2026-06-07 · 32 obs

○A13.225.47.792026-05-19 → 2026-06-07 · 32 obs

○A13.225.47.982026-05-19 → 2026-06-07 · 32 obs

○A13.226.155.1132026-03-01 → 2026-03-01 · 4 obs

○ 2026-03-01 17:16:58
● 2026-03-01 18:04:52
○ 2026-03-01 19:07:48
○ 2026-06-29 22:31:22

○A13.226.155.52026-03-01 → 2026-03-01 · 4 obs

○ 2026-03-01 17:16:58
● 2026-03-01 18:04:52
○ 2026-03-01 19:07:48
○ 2026-06-29 22:31:22

○A13.226.155.762026-03-01 → 2026-03-01 · 4 obs

○ 2026-03-01 17:16:58
● 2026-03-01 18:04:52
○ 2026-03-01 19:07:48
○ 2026-06-29 22:31:22

○A13.226.155.992026-03-01 → 2026-03-01 · 4 obs

○ 2026-03-01 17:16:58
● 2026-03-01 18:04:52
○ 2026-03-01 19:07:48
○ 2026-06-29 22:31:22

○A18.161.34.1002026-05-03 → 2026-05-19 · 26 obs

○ 2026-05-02 13:18:40
● 2026-05-03 05:07:52
○ 2026-05-03 07:00:24
○ 2026-05-06 05:43:46
● 2026-05-06 10:18:34
○ 2026-05-06 16:00:12
● 2026-05-07 04:06:06
○ 2026-05-07 05:05:16
○ 2026-05-08 16:51:16
● 2026-05-08 21:07:56
● 2026-05-08 22:40:10
○ 2026-05-08 23:34:52
○ 2026-05-09 16:38:44
● 2026-05-09 18:25:26
○ 2026-05-09 23:03:16
○ 2026-05-14 21:31:14
● 2026-05-15 00:27:02
● 2026-05-15 04:46:48
○ 2026-05-15 09:37:22
● 2026-05-16 04:20:50
○ 2026-05-16 04:56:56
○ 2026-05-19 12:49:02
● 2026-05-19 14:12:10
● 2026-05-19 18:00:28
○ 2026-05-19 20:07:36
○ 2026-06-29 22:31:22

○A18.161.34.1262026-05-03 → 2026-05-19 · 26 obs

○A18.161.34.302026-05-03 → 2026-05-19 · 26 obs

○A18.161.34.332026-05-03 → 2026-05-19 · 26 obs

○A18.239.69.1012026-03-22 → 2026-03-22 · 4 obs

○ 2026-03-19 08:56:38
● 2026-03-22 13:38:50
○ 2026-03-22 18:56:00
○ 2026-06-29 22:31:22

○A18.239.69.212026-03-22 → 2026-03-22 · 4 obs

○ 2026-03-19 08:56:38
● 2026-03-22 13:38:50
○ 2026-03-22 18:56:00
○ 2026-06-29 22:31:22

○A18.239.69.812026-03-22 → 2026-03-22 · 4 obs

○ 2026-03-19 08:56:38
● 2026-03-22 13:38:50
○ 2026-03-22 18:56:00
○ 2026-06-29 22:31:22

○A18.239.69.892026-03-22 → 2026-03-22 · 4 obs

○ 2026-03-19 08:56:38
● 2026-03-22 13:38:50
○ 2026-03-22 18:56:00
○ 2026-06-29 22:31:22

○A3.163.63.1112026-03-31 → 2026-06-16 · 78 obs

○ 2026-03-31 11:15:28
● 2026-03-31 11:57:20
○ 2026-03-31 14:04:42
○ 2026-04-16 13:24:46
● 2026-04-17 19:34:42
○ 2026-04-17 21:03:56
○ 2026-04-24 17:43:20
● 2026-04-25 03:22:18
○ 2026-04-25 05:07:40
○ 2026-04-26 06:44:10
● 2026-04-26 10:15:38
○ 2026-04-26 11:02:00
○ 2026-04-29 04:14:12
● 2026-04-29 06:51:06
○ 2026-04-29 12:42:56
● 2026-04-29 14:10:06
● 2026-04-29 14:42:38
○ 2026-04-29 17:02:00
○ 2026-04-30 11:15:12
● 2026-05-01 04:42:22
○ 2026-05-01 05:50:22
○ 2026-05-01 07:49:30
● 2026-05-02 01:27:38
● 2026-05-02 10:40:18
○ 2026-05-02 12:39:14
○ 2026-05-08 01:08:32
● 2026-05-08 03:24:04
● 2026-05-08 16:51:16
○ 2026-05-08 21:07:56
○ 2026-05-14 20:41:34
● 2026-05-14 21:31:14
○ 2026-05-15 00:27:02
○ 2026-05-19 18:00:28
● 2026-05-19 20:07:36
○ 2026-05-20 01:18:04
● 2026-05-20 01:49:04
○ 2026-05-20 20:36:10
○ 2026-05-22 08:38:04
● 2026-05-26 02:00:54
○ 2026-05-26 09:14:26
○ 2026-05-27 15:03:58
● 2026-05-29 00:58:32
○ 2026-05-29 03:17:56
● 2026-05-29 12:50:32
● 2026-05-30 01:47:50
○ 2026-05-30 13:14:52
● 2026-05-31 01:03:38
○ 2026-05-31 07:17:04
● 2026-05-31 18:37:52
○ 2026-06-01 19:30:18
○ 2026-06-03 12:58:02
● 2026-06-04 01:14:40
● 2026-06-04 12:01:36
○ 2026-06-04 19:37:34
○ 2026-06-05 09:16:42
● 2026-06-07 06:05:08
○ 2026-06-07 06:59:12
● 2026-06-07 11:01:00
○ 2026-06-07 22:07:48
● 2026-06-08 01:09:54
● 2026-06-08 07:43:36
○ 2026-06-08 16:23:10
● 2026-06-08 17:02:44
● 2026-06-11 23:05:40
○ 2026-06-12 02:35:04
○ 2026-06-12 03:36:32
● 2026-06-12 14:31:20
○ 2026-06-12 15:29:24
○ 2026-06-13 03:22:06
● 2026-06-13 05:38:14
○ 2026-06-13 08:26:38
○ 2026-06-14 18:40:02
● 2026-06-14 19:38:56
○ 2026-06-15 13:15:38
○ 2026-06-15 22:56:26
● 2026-06-16 07:01:04
○ 2026-06-19 03:15:42
○ 2026-06-29 22:31:22

○A3.163.63.1202026-03-31 → 2026-06-16 · 78 obs

○A3.163.63.1282026-03-31 → 2026-06-16 · 78 obs

○A3.163.63.752026-03-31 → 2026-06-16 · 78 obs

○A3.168.73.1012026-03-29 → 2026-03-29 · 4 obs

○ 2026-03-29 13:42:38
● 2026-03-29 21:20:26
○ 2026-03-29 22:10:52
○ 2026-06-29 22:31:22

○A3.168.73.342026-03-29 → 2026-03-29 · 4 obs

○ 2026-03-29 13:42:38
● 2026-03-29 21:20:26
○ 2026-03-29 22:10:52
○ 2026-06-29 22:31:22

○A3.168.73.402026-03-29 → 2026-03-29 · 4 obs

○ 2026-03-29 13:42:38
● 2026-03-29 21:20:26
○ 2026-03-29 22:10:52
○ 2026-06-29 22:31:22

○A3.168.73.492026-03-29 → 2026-03-29 · 4 obs

○ 2026-03-29 13:42:38
● 2026-03-29 21:20:26
○ 2026-03-29 22:10:52
○ 2026-06-29 22:31:22

○A3.174.59.1052026-05-06 → 2026-05-11 · 7 obs

○ 2026-05-06 10:18:34
● 2026-05-06 16:00:12
○ 2026-05-07 04:06:06
○ 2026-05-11 09:40:52
● 2026-05-11 10:48:02
○ 2026-05-11 21:08:34
○ 2026-06-29 22:31:22

○A3.174.59.192026-05-06 → 2026-05-11 · 7 obs

○ 2026-05-06 10:18:34
● 2026-05-06 16:00:12
○ 2026-05-07 04:06:06
○ 2026-05-11 09:40:52
● 2026-05-11 10:48:02
○ 2026-05-11 21:08:34
○ 2026-06-29 22:31:22

○A3.174.59.472026-05-06 → 2026-05-11 · 7 obs

○ 2026-05-06 10:18:34
● 2026-05-06 16:00:12
○ 2026-05-07 04:06:06
○ 2026-05-11 09:40:52
● 2026-05-11 10:48:02
○ 2026-05-11 21:08:34
○ 2026-06-29 22:31:22

○A3.174.59.762026-05-06 → 2026-05-11 · 7 obs

○ 2026-05-06 10:18:34
● 2026-05-06 16:00:12
○ 2026-05-07 04:06:06
○ 2026-05-11 09:40:52
● 2026-05-11 10:48:02
○ 2026-05-11 21:08:34
○ 2026-06-29 22:31:22

○A52.222.177.1072026-02-21 → 2026-06-26 · 132 obs

○ 2026-02-21 08:25:46
● 2026-02-21 12:39:40
○ 2026-02-21 13:47:08
● 2026-02-21 15:15:54
● 2026-02-21 17:22:30
○ 2026-02-21 23:07:16
● 2026-02-21 23:42:18
● 2026-02-25 20:58:16
○ 2026-02-26 01:35:14
● 2026-02-26 03:18:30
○ 2026-02-27 01:00:48
● 2026-02-27 03:23:08
○ 2026-02-27 07:53:58
● 2026-02-27 08:34:28
○ 2026-02-27 11:01:20
● 2026-02-27 11:42:52
○ 2026-02-27 14:15:40
● 2026-02-27 14:51:18
○ 2026-02-27 23:27:48
● 2026-02-28 00:16:16
● 2026-03-01 06:35:10
○ 2026-03-01 07:54:42
● 2026-03-01 08:41:22
○ 2026-03-01 10:19:26
● 2026-03-01 12:53:02
○ 2026-03-01 17:16:58
○ 2026-03-01 18:04:52
● 2026-03-01 19:07:48
○ 2026-03-01 21:26:24
○ 2026-03-01 23:00:00
● 2026-03-02 00:22:10
○ 2026-03-03 00:55:24
● 2026-03-03 03:32:30
● 2026-03-07 02:46:16
○ 2026-03-08 00:46:16
● 2026-03-08 01:51:28
● 2026-03-17 14:15:08
○ 2026-03-18 06:47:20
○ 2026-03-18 07:46:24
● 2026-03-18 09:05:42
● 2026-03-19 08:56:38
○ 2026-03-22 13:38:50
● 2026-03-22 18:56:00
○ 2026-03-23 02:12:34
● 2026-03-23 04:22:54
● 2026-03-29 13:42:38
○ 2026-03-29 21:20:26
● 2026-03-29 22:10:52
● 2026-03-31 11:15:28
○ 2026-03-31 11:57:20
● 2026-03-31 14:04:42
● 2026-04-14 22:06:32
○ 2026-04-15 02:38:54
● 2026-04-15 06:48:48
● 2026-04-15 10:43:10
○ 2026-04-16 02:31:04
● 2026-04-16 13:24:46
○ 2026-04-17 19:34:42
● 2026-04-17 21:03:56
● 2026-04-24 17:43:20
○ 2026-04-25 03:22:18
● 2026-04-25 05:07:40
● 2026-04-26 06:44:10
○ 2026-04-26 10:15:38
● 2026-04-26 11:02:00
● 2026-04-29 04:14:12
○ 2026-04-29 06:51:06
● 2026-04-29 12:42:56
○ 2026-04-29 14:10:06
○ 2026-04-29 14:42:38
● 2026-04-29 17:02:00
● 2026-04-30 11:15:12
○ 2026-05-01 04:42:22
● 2026-05-01 05:50:22
● 2026-05-01 07:49:30
○ 2026-05-02 01:27:38
○ 2026-05-02 10:40:18
● 2026-05-02 12:39:14
● 2026-05-02 13:18:40
○ 2026-05-03 05:07:52
● 2026-05-03 07:00:24
● 2026-05-06 05:43:46
○ 2026-05-06 10:18:34
○ 2026-05-07 04:06:06
● 2026-05-07 05:05:16
● 2026-05-08 01:08:32
○ 2026-05-08 03:24:04
○ 2026-05-08 22:40:10
● 2026-05-08 23:34:52
● 2026-05-09 16:38:44
○ 2026-05-09 18:25:26
● 2026-05-09 23:03:16
● 2026-05-11 09:40:52
○ 2026-05-11 10:48:02
● 2026-05-11 21:08:34
● 2026-05-14 20:41:34
○ 2026-05-14 21:31:14
○ 2026-05-15 04:46:48
● 2026-05-15 09:37:22
○ 2026-05-16 04:20:50
● 2026-05-16 04:56:56
● 2026-05-19 01:59:46
○ 2026-05-19 12:49:02
○ 2026-06-08 07:43:36
● 2026-06-08 16:23:10
○ 2026-06-08 17:02:44
○ 2026-06-11 23:05:40
● 2026-06-12 02:35:04
● 2026-06-12 03:36:32
○ 2026-06-12 14:31:20
● 2026-06-12 15:29:24
● 2026-06-13 03:22:06
○ 2026-06-13 05:38:14
● 2026-06-13 08:26:38
● 2026-06-13 18:39:08
○ 2026-06-13 19:33:44
○ 2026-06-14 03:35:38
● 2026-06-14 09:43:48
● 2026-06-14 18:40:02
○ 2026-06-14 19:38:56
● 2026-06-15 13:15:38
● 2026-06-15 22:56:26
○ 2026-06-16 07:01:04
● 2026-06-19 03:15:42
○ 2026-06-19 14:18:24
● 2026-06-21 19:37:52
○ 2026-06-22 11:21:58
● 2026-06-23 00:28:26
○ 2026-06-26 07:20:56
● 2026-06-26 17:39:32
○ 2026-06-29 22:31:20
○ 2026-06-29 22:31:22

○A52.222.177.202026-02-21 → 2026-06-26 · 132 obs

○A52.222.177.802026-02-21 → 2026-06-26 · 132 obs

○A52.222.177.932026-02-21 → 2026-06-26 · 132 obs

●A52.85.193.172026-02-17 → 2026-06-29 · 40 obs

○ 2026-02-16 14:36:52
● 2026-02-17 00:39:24
● 2026-02-17 03:29:06
○ 2026-02-17 09:27:20
○ 2026-02-18 01:03:12
● 2026-02-18 02:55:18
● 2026-02-19 04:59:12
○ 2026-02-19 12:22:58
● 2026-02-20 00:15:16
● 2026-02-21 00:41:36
○ 2026-02-21 08:25:46
○ 2026-02-21 12:39:40
● 2026-02-21 13:47:08
○ 2026-02-21 15:15:54
○ 2026-02-21 17:22:30
● 2026-02-21 23:07:16
○ 2026-02-21 23:42:18
○ 2026-03-01 21:26:24
● 2026-03-01 23:00:00
○ 2026-03-02 00:22:10
● 2026-03-03 00:55:24
○ 2026-03-03 03:32:30
○ 2026-03-22 18:56:00
● 2026-03-23 02:12:34
○ 2026-03-23 04:22:54
○ 2026-05-20 20:36:10
● 2026-05-22 07:35:30
○ 2026-05-22 08:38:04
○ 2026-06-13 18:39:08
● 2026-06-13 19:33:44
● 2026-06-14 03:35:38
○ 2026-06-14 09:43:48
● 2026-06-21 16:40:34
○ 2026-06-21 19:37:52
● 2026-06-22 11:21:58
○ 2026-06-22 15:38:26
● 2026-06-26 07:20:56
○ 2026-06-26 12:07:02
● 2026-06-29 22:31:20
● 2026-06-29 22:31:22

●A52.85.193.542026-02-17 → 2026-06-29 · 40 obs

●A52.85.193.72026-02-17 → 2026-06-29 · 40 obs

●A52.85.193.92026-02-17 → 2026-06-29 · 40 obs

○A67.225.236.1812015-06-17 → 2016-04-09 · 4 obs

● 2015-06-17 18:18:26
● 2016-04-09 08:59:44
○ 2016-09-26 22:25:58
○ 2026-06-29 22:31:22

○A67.227.157.1552016-09-26 → 2017-04-19 · 5 obs

○ 2016-04-09 08:59:44
● 2016-09-26 22:25:58
● 2017-04-19 21:54:50
○ 2026-02-16 14:36:52
○ 2026-06-29 22:31:22

○A99.84.215.242026-02-16 → 2026-03-18 · 44 obs

○ 2017-04-19 21:54:50
● 2026-02-16 14:36:52
○ 2026-02-17 00:39:24
○ 2026-02-17 03:29:06
● 2026-02-17 09:27:20
● 2026-02-18 01:03:12
○ 2026-02-18 02:55:18
○ 2026-02-19 04:59:12
● 2026-02-19 12:22:58
○ 2026-02-20 00:15:16
○ 2026-02-21 00:41:36
● 2026-02-21 08:25:46
○ 2026-02-21 12:39:40
○ 2026-02-25 20:58:16
● 2026-02-26 01:35:14
○ 2026-02-26 03:18:30
● 2026-02-27 01:00:48
○ 2026-02-27 03:23:08
● 2026-02-27 07:53:58
○ 2026-02-27 08:34:28
● 2026-02-27 11:01:20
○ 2026-02-27 11:42:52
● 2026-02-27 14:15:40
○ 2026-02-27 14:51:18
● 2026-02-27 23:27:48
○ 2026-02-28 00:16:16
○ 2026-03-01 06:35:10
● 2026-03-01 07:54:42
○ 2026-03-01 08:41:22
● 2026-03-01 10:19:26
○ 2026-03-01 12:53:02
● 2026-03-01 17:16:58
○ 2026-03-01 18:04:52
○ 2026-03-01 19:07:48
● 2026-03-01 21:26:24
○ 2026-03-01 23:00:00
○ 2026-03-07 02:46:16
● 2026-03-08 00:46:16
○ 2026-03-08 01:51:28
○ 2026-03-17 14:15:08
● 2026-03-18 06:47:20
● 2026-03-18 07:46:24
○ 2026-03-18 09:05:42
○ 2026-06-29 22:31:22

○A99.84.215.262026-02-16 → 2026-03-18 · 44 obs

○A99.84.215.462026-02-16 → 2026-03-18 · 44 obs

○A99.84.215.592026-02-16 → 2026-03-18 · 44 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	c.gtld-servers.net, b.gtld-servers.net, j.gtld-servers.net, a.gtld-servers.net...	-
ctcmath.com	ns-449.awsdns-56.com, ns-874.awsdns-45.net, ns-1603.awsdns-08.co.uk, ns-1343.awsdns-39.org	2 records

✅ Authoritative Response

Server:205.251.195.106

NS records: ns-449.awsdns-56.com, ns-874.awsdns-45.net, ns-1603.awsdns-08.co.uk, ns-1343.awsdns-39.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ctcmath.com (unsigned zone)

⏱️ Timing

Total: 510ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`52.85.193.9, 52.85.193.7...`
NS	4	`ns-1343.awsdns-39.org, ns-1603.awsdns-08.co.uk...`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	3	`google-site-verification=DwxxlGr0SNjfWvE, stripe-verification=51a6bbf393a02c004703...`
SOA	1	`ns-1343.awsdns-39.org awsdns-hostmaster.`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-449.awsdns-56.com, ns-449.awsdns-56.com)

Analysis

Hierarchy

ctcmath.com serves as the parent of www.ctcmath.com and email.ctcmath.com.

IP Addresses

ctcmath.com points to the four IP addresses 52.85.193.7, 52.85.193.9, 52.85.193.17 and 52.85.193.54.

api-dev.awsapps.com, assets.feature17.shippingeasy.com, d38052qewkmmbq.cloudfront.net plus two other host names have IP numbers in common with ctcmath.com.

Name Servers

Four name servers handle the delegation for ctcmath.com: ns-449.awsdns-56.com, ns-874.awsdns-45.net, ns-1343.awsdns-39.org and ns-1603.awsdns-08.co.uk.

The name servers of ctcmath.com overlap at least partially with those of other domains — among them 99yuzz.com, crystalcreeklogistics.org, scenethink.com and two more.

The name servers ns-26.awsdns-03.com, ns-1913.awsdns-47.co.uk and ns-1090.awsdns-08.org are commonly seen alongside these name servers.

Each of the four hosts ns-449.awsdns-56.com, ns-874.awsdns-45.net, ns-1343.awsdns-39.org and ns-1603.awsdns-08.co.uk has two IP addresses. ns-449.awsdns-56.com points to 205.251.193.193 and 2600:9000:5301:c100::1. ns-874.awsdns-45.net points to 205.251.195.106 and 2600:9000:5303:6a00::1. ns-1343.awsdns-39.org points to 205.251.197.63 and 2600:9000:5305:3f00::1. ns-1603.awsdns-08.co.uk points to 205.251.198.67 and 2600:9000:5306:4300::1.

Mail Servers

ctcmath.com has five mail servers, which are aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

At least some of the mail servers used by ctcmath.com are shared with other domains: myohio.com, savelist.co, drummondheating.co.uk and two others among them.

These mail servers often appear in conjunction with the mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com.

Host names pointing to two IP addresses:

aspmx.l.google.com directs traffic to 142.251.163.26 and 2607:f8b0:4004:c08::1a.

alt1.aspmx.l.google.com directs traffic to 108.177.123.26 and 2800:3f0:4003:c0f::1b.

alt2.aspmx.l.google.com directs traffic to 172.253.116.27 and 2a00:1450:400b:c02::1b.

alt3.aspmx.l.google.com directs traffic to 192.178.223.27 and 2a00:1450:4009:c0f::1b.

alt4.aspmx.l.google.com directs traffic to 172.253.157.26 and 2a00:1450:400c:c23::1a.