`teachercertification.com`

DNSSEC	⚠️ Not signed
A	3.164.68.21^{🇺🇸 Amazon3.164.68.0/23}
		PTR	`server-3-164-68-21.hel51.r.cloudfront.net`
A	3.164.68.35^{🇺🇸 Amazon3.164.68.0/23}
A	3.164.68.74^{🇺🇸 Amazon3.164.68.0/23}
A	3.164.68.79^{🇺🇸 Amazon3.164.68.0/23}
NS	`ns-525.awsdns-01.net` ⭐
		A	2600:9000:5302:d00::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-525.awsdns-01.net`
		A	205.251.194.13^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-525.awsdns-01.net`
NS	`ns-1046.awsdns-02.org`
		A	2600:9000:5304:1600::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1046.awsdns-02.org`
		A	205.251.196.22^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1046.awsdns-02.org`
NS	`ns-121.awsdns-15.com`
		A	2600:9000:5300:7900::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-121.awsdns-15.com`
		A	205.251.192.121^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-121.awsdns-15.com`
NS	`ns-1645.awsdns-13.co.uk`
		A	2600:9000:5306:6d00::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1645.awsdns-13.co.uk`
		A	205.251.198.109^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1645.awsdns-13.co.uk`
MX	`teachercertification-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c922::2^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bl0pr02cu00702.inbound.protection.outlook.com`
		A	2a01:111:f403:c931::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sa9pr03cu00201.inbound.protection.outlook.com`
		A	2a01:111:f403:f90d::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sn1pr0501cu00200.inbound.protection.outlook.com`
		A	2a01:111:f403:f90d::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sn1pr0501cu00301.inbound.protection.outlook.com`
		A	52.101.9.20^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bl0pr02cu00604.inbound.protection.outlook.com`
		A	52.101.10.6^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bn1pr21cu00106.inbound.protection.outlook.com`
		A	52.101.40.0^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cy5pr03cu00300.inbound.protection.outlook.com`
		A	52.101.42.18^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-co1pr03cu00302.inbound.protection.outlook.com`
TXT	`MS=ms95477433`
TXT	`google-site-verification=veRwqvhaZrAEPG3_3M55GTll0JCItlt3yd2p6XSuZhY`
TXT	`v=spf1 include:spf.protection.outlook.com include:spf.mandrillapp.com -all`
SOA	`ns-525.awsdns-01.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=1774596962

rank #743576 globally
rank #338897 in the tld

Same first word

teachercertification.com

DNS History

48 records (9 active, 39 former)

○NSbuy.internettraffic.com2015-08-07 → 2016-04-12 · 4 obs

● 2015-08-07 10:27:50
● 2016-04-12 11:25:46
○ 2016-11-27 15:30:48
○ 2026-03-27 07:37:22

●NSns-1046.awsdns-02.org2026-02-15 → 2026-03-27 · 3 obs

○ 2017-08-28 17:11:46
● 2026-02-15 02:28:12
● 2026-03-27 07:37:22

●NSns-121.awsdns-15.com2026-02-15 → 2026-03-27 · 3 obs

○ 2017-08-28 17:11:46
● 2026-02-15 02:28:12
● 2026-03-27 07:37:22

●NSns-1645.awsdns-13.co.uk2026-02-15 → 2026-03-27 · 3 obs

○ 2017-08-28 17:11:46
● 2026-02-15 02:28:12
● 2026-03-27 07:37:22

●NSns-525.awsdns-01.net2026-02-15 → 2026-03-27 · 3 obs

○ 2017-08-28 17:11:46
● 2026-02-15 02:28:12
● 2026-03-27 07:37:22

○NSns1.eftydns.com2017-08-28 → 2017-08-28 · 4 obs

○ 2016-11-27 15:30:48
● 2017-08-28 17:11:46
○ 2026-02-15 02:28:12
○ 2026-03-27 07:37:22

○NSns1.uniregistrymarket.link2016-11-27 → 2016-11-27 · 4 obs

○ 2016-04-12 11:25:46
● 2016-11-27 15:30:48
○ 2017-08-28 17:11:46
○ 2026-03-27 07:37:22

○NSns2.eftydns.com2017-08-28 → 2017-08-28 · 4 obs

○ 2016-11-27 15:30:48
● 2017-08-28 17:11:46
○ 2026-02-15 02:28:12
○ 2026-03-27 07:37:22

○NSns2.uniregistrymarket.link2016-11-27 → 2016-11-27 · 4 obs

○ 2016-04-12 11:25:46
● 2016-11-27 15:30:48
○ 2017-08-28 17:11:46
○ 2026-03-27 07:37:22

○NSsell.internettraffic.com2015-08-07 → 2016-04-12 · 4 obs

● 2015-08-07 10:27:50
● 2016-04-12 11:25:46
○ 2016-11-27 15:30:48
○ 2026-03-27 07:37:22

○MXmail.efty.com2017-08-28 → 2017-08-28 · 3 obs

● 2017-08-28 17:11:46
○ 2026-02-15 02:28:12
○ 2026-03-27 07:37:22

●MXteachercertification-com.mail.protection.outlook.com2026-02-15 → 2026-03-27 · 3 obs

○ 2017-08-28 17:11:46
● 2026-02-15 02:28:12
● 2026-03-27 07:37:22

○A119.81.170.182017-08-28 → 2017-08-28 · 4 obs

○ 2016-11-27 15:30:48
● 2017-08-28 17:11:46
○ 2026-02-15 02:28:12
○ 2026-03-27 07:37:22

○A13.33.153.1052026-02-15 → 2026-03-25 · 103 obs

○ 2017-08-28 17:11:46
● 2026-02-15 02:28:12
● 2026-02-16 08:53:50
○ 2026-02-16 20:52:30
● 2026-02-16 22:44:48
● 2026-02-17 23:12:30
○ 2026-02-18 03:30:46
● 2026-02-18 04:48:06
● 2026-02-19 00:00:04
○ 2026-02-19 03:30:56
○ 2026-02-19 06:23:30
● 2026-02-19 23:14:08
○ 2026-02-20 01:45:34
○ 2026-02-20 14:48:32
● 2026-02-20 19:13:38
○ 2026-02-21 02:43:44
○ 2026-02-21 17:07:40
● 2026-02-21 20:43:46
● 2026-02-21 22:57:26
○ 2026-02-22 03:08:16
○ 2026-02-22 14:39:12
● 2026-02-22 23:14:56
○ 2026-02-23 03:31:04
○ 2026-02-23 08:33:26
● 2026-02-23 23:14:06
● 2026-02-24 21:35:04
○ 2026-02-25 03:30:10
○ 2026-02-25 06:49:52
● 2026-02-25 23:13:10
● 2026-02-26 23:14:08
○ 2026-02-27 03:30:48
○ 2026-02-27 09:39:06
● 2026-02-27 15:21:56
○ 2026-02-28 03:30:48
○ 2026-03-01 03:31:00
● 2026-03-01 19:14:38
○ 2026-03-02 03:30:46
○ 2026-03-03 03:30:40
● 2026-03-03 23:14:18
● 2026-03-04 01:41:06
○ 2026-03-04 03:30:56
● 2026-03-04 08:29:24
● 2026-03-04 19:14:48
○ 2026-03-05 03:31:08
● 2026-03-05 06:31:32
● 2026-03-05 19:43:40
○ 2026-03-06 03:31:10
● 2026-03-06 19:15:22
○ 2026-03-07 02:12:44
○ 2026-03-07 03:30:44
● 2026-03-07 09:51:16
● 2026-03-07 23:14:52
○ 2026-03-08 03:31:02
● 2026-03-08 10:56:34
● 2026-03-08 22:53:02
○ 2026-03-09 03:30:40
○ 2026-03-09 04:44:04
● 2026-03-09 23:32:00
○ 2026-03-10 03:30:44
● 2026-03-10 08:42:38
○ 2026-03-11 03:31:06
● 2026-03-11 04:40:06
○ 2026-03-11 15:00:42
● 2026-03-11 19:14:10
○ 2026-03-12 03:30:46
● 2026-03-12 07:12:40
○ 2026-03-12 14:24:46
● 2026-03-12 19:14:54
● 2026-03-13 23:13:16
○ 2026-03-14 03:30:46
○ 2026-03-14 04:35:04
● 2026-03-14 08:29:46
● 2026-03-14 17:17:32
○ 2026-03-14 18:44:50
● 2026-03-14 19:14:52
● 2026-03-15 23:14:50
○ 2026-03-16 03:30:44
● 2026-03-16 04:18:16
○ 2026-03-16 13:17:16
● 2026-03-17 00:28:34
○ 2026-03-17 13:37:46
● 2026-03-17 15:05:04
○ 2026-03-18 03:30:42
○ 2026-03-18 06:14:12
● 2026-03-18 06:51:50
● 2026-03-19 19:14:20
○ 2026-03-20 03:30:30
● 2026-03-20 05:27:32
○ 2026-03-21 03:30:48
○ 2026-03-21 19:58:08
● 2026-03-22 01:39:52
○ 2026-03-23 02:40:30
○ 2026-03-23 03:31:46
● 2026-03-23 04:08:28
● 2026-03-24 02:24:04
○ 2026-03-24 06:56:36
○ 2026-03-25 00:25:46
● 2026-03-25 01:55:38
○ 2026-03-25 03:27:00
○ 2026-03-25 12:08:02
● 2026-03-25 23:29:20
○ 2026-03-26 00:14:16
○ 2026-03-27 07:37:22

○A13.33.153.1222026-02-15 → 2026-03-25 · 103 obs

○A13.33.153.152026-02-15 → 2026-03-25 · 103 obs

○A13.33.153.602026-02-15 → 2026-03-25 · 103 obs

○A13.33.235.1082026-03-27 → 2026-03-27 · 5 obs

○ 2026-03-27 01:32:34
● 2026-03-27 02:09:28
● 2026-03-27 06:28:06
○ 2026-03-27 07:28:38
○ 2026-03-27 07:37:22

○A13.33.235.1102026-03-27 → 2026-03-27 · 5 obs

○ 2026-03-27 01:32:34
● 2026-03-27 02:09:28
● 2026-03-27 06:28:06
○ 2026-03-27 07:28:38
○ 2026-03-27 07:37:22

○A13.33.235.1182026-03-27 → 2026-03-27 · 5 obs

○ 2026-03-27 01:32:34
● 2026-03-27 02:09:28
● 2026-03-27 06:28:06
○ 2026-03-27 07:28:38
○ 2026-03-27 07:37:22

○A13.33.235.622026-03-27 → 2026-03-27 · 5 obs

○ 2026-03-27 01:32:34
● 2026-03-27 02:09:28
● 2026-03-27 06:28:06
○ 2026-03-27 07:28:38
○ 2026-03-27 07:37:22

○A18.154.144.1292026-02-18 → 2026-03-26 · 85 obs

○ 2026-02-17 23:12:30
● 2026-02-18 03:30:46
○ 2026-02-18 04:48:06
○ 2026-02-19 00:00:04
● 2026-02-19 03:30:56
○ 2026-02-19 05:46:16
○ 2026-02-20 01:45:34
● 2026-02-20 03:30:58
○ 2026-02-20 14:48:32
○ 2026-02-21 02:43:44
● 2026-02-21 03:30:52
● 2026-02-21 12:43:22
○ 2026-02-21 15:19:10
○ 2026-02-22 23:14:56
● 2026-02-23 03:31:04
○ 2026-02-23 08:33:26
○ 2026-02-24 21:35:04
● 2026-02-25 03:30:10
○ 2026-02-25 04:59:18
○ 2026-02-26 23:14:08
● 2026-02-27 03:30:48
● 2026-02-27 09:39:06
○ 2026-02-27 15:21:56
● 2026-02-28 03:30:48
● 2026-03-01 03:31:00
○ 2026-03-01 19:14:38
● 2026-03-02 03:30:46
● 2026-03-02 15:04:18
○ 2026-03-03 00:33:36
● 2026-03-03 03:30:40
○ 2026-03-03 23:14:18
○ 2026-03-04 01:41:06
● 2026-03-04 03:30:56
○ 2026-03-04 08:29:24
○ 2026-03-04 19:14:48
● 2026-03-05 03:31:08
○ 2026-03-05 06:31:32
○ 2026-03-05 19:43:40
● 2026-03-06 03:31:10
○ 2026-03-06 19:15:22
○ 2026-03-07 02:12:44
● 2026-03-07 03:30:44
○ 2026-03-07 09:51:16
○ 2026-03-07 23:14:52
● 2026-03-08 03:31:02
○ 2026-03-08 10:56:34
○ 2026-03-08 22:53:02
● 2026-03-09 03:30:40
● 2026-03-09 04:44:04
○ 2026-03-09 23:32:00
● 2026-03-10 03:30:44
○ 2026-03-10 08:42:38
● 2026-03-11 03:31:06
○ 2026-03-11 04:40:06
○ 2026-03-11 19:14:10
● 2026-03-12 03:30:46
○ 2026-03-12 07:12:40
○ 2026-03-13 23:13:16
● 2026-03-14 03:30:46
● 2026-03-14 04:35:04
○ 2026-03-14 08:29:46
○ 2026-03-15 23:14:50
● 2026-03-16 03:30:44
○ 2026-03-16 04:18:16
● 2026-03-16 13:17:16
○ 2026-03-17 00:28:34
● 2026-03-17 13:37:46
○ 2026-03-17 15:05:04
● 2026-03-18 03:30:42
● 2026-03-18 06:14:12
○ 2026-03-18 06:51:50
○ 2026-03-19 19:14:20
● 2026-03-20 03:30:30
○ 2026-03-20 05:27:32
● 2026-03-21 03:30:48
● 2026-03-21 19:58:08
○ 2026-03-22 01:39:52
○ 2026-03-25 07:11:30
● 2026-03-25 08:52:30
● 2026-03-25 10:11:58
○ 2026-03-25 11:04:46
○ 2026-03-26 13:49:54
● 2026-03-26 15:16:14
○ 2026-03-26 17:11:08
○ 2026-03-27 07:37:22

○A18.154.144.322026-02-18 → 2026-03-26 · 85 obs

○A18.154.144.52026-02-18 → 2026-03-26 · 85 obs

○A18.154.144.642026-02-18 → 2026-03-26 · 85 obs

○A18.155.153.1192026-03-24 → 2026-03-24 · 4 obs

○ 2026-03-24 22:10:20
● 2026-03-24 22:51:16
○ 2026-03-24 23:24:30
○ 2026-03-27 07:37:22

○A18.155.153.172026-03-24 → 2026-03-24 · 4 obs

○ 2026-03-24 22:10:20
● 2026-03-24 22:51:16
○ 2026-03-24 23:24:30
○ 2026-03-27 07:37:22

○A18.155.153.292026-03-24 → 2026-03-24 · 4 obs

○ 2026-03-24 22:10:20
● 2026-03-24 22:51:16
○ 2026-03-24 23:24:30
○ 2026-03-27 07:37:22

○A18.155.153.82026-03-24 → 2026-03-24 · 4 obs

○ 2026-03-24 22:10:20
● 2026-03-24 22:51:16
○ 2026-03-24 23:24:30
○ 2026-03-27 07:37:22

○A3.164.206.1062026-03-23 → 2026-03-26 · 26 obs

○ 2026-03-23 02:40:30
● 2026-03-23 03:31:46
○ 2026-03-23 04:08:28
○ 2026-03-24 02:24:04
● 2026-03-24 06:56:36
● 2026-03-24 22:10:20
○ 2026-03-24 22:51:16
● 2026-03-24 23:24:30
● 2026-03-25 00:25:46
○ 2026-03-25 01:55:38
● 2026-03-25 03:27:00
○ 2026-03-25 07:11:30
○ 2026-03-25 10:11:58
● 2026-03-25 11:04:46
● 2026-03-25 12:08:02
○ 2026-03-25 23:29:20
○ 2026-03-26 10:29:36
● 2026-03-26 11:45:08
● 2026-03-26 13:49:54
○ 2026-03-26 15:16:14
● 2026-03-26 17:11:08
○ 2026-03-26 20:40:50
● 2026-03-26 21:24:04
● 2026-03-26 22:51:38
○ 2026-03-26 23:26:02
○ 2026-03-27 07:37:22

○A3.164.206.1152026-03-23 → 2026-03-26 · 26 obs

○A3.164.206.842026-03-23 → 2026-03-26 · 26 obs

○A3.164.206.952026-03-23 → 2026-03-26 · 26 obs

●A3.164.68.212026-03-27 → 2026-03-27 · 3 obs

○ 2026-03-27 06:28:06
● 2026-03-27 07:28:38
● 2026-03-27 07:37:22

●A3.164.68.352026-03-27 → 2026-03-27 · 3 obs

○ 2026-03-27 06:28:06
● 2026-03-27 07:28:38
● 2026-03-27 07:37:22

●A3.164.68.742026-03-27 → 2026-03-27 · 3 obs

○ 2026-03-27 06:28:06
● 2026-03-27 07:28:38
● 2026-03-27 07:37:22

●A3.164.68.792026-03-27 → 2026-03-27 · 3 obs

○ 2026-03-27 06:28:06
● 2026-03-27 07:28:38
● 2026-03-27 07:37:22

○A3.171.38.1202026-02-16 → 2026-03-26 · 55 obs

○ 2026-02-15 02:28:12
○ 2026-02-16 08:53:50
● 2026-02-16 20:52:30
○ 2026-02-16 22:44:48
○ 2026-02-19 03:30:56
● 2026-02-19 05:46:16
● 2026-02-19 06:23:30
○ 2026-02-19 23:14:08
● 2026-02-20 01:45:34
○ 2026-02-20 03:30:58
● 2026-02-20 14:48:32
○ 2026-02-20 19:13:38
● 2026-02-21 02:43:44
○ 2026-02-21 03:30:52
○ 2026-02-21 12:43:22
● 2026-02-21 15:19:10
● 2026-02-21 17:07:40
○ 2026-02-21 20:43:46
○ 2026-02-21 22:57:26
● 2026-02-22 03:08:16
● 2026-02-22 14:39:12
○ 2026-02-22 23:14:56
○ 2026-02-23 03:31:04
● 2026-02-23 08:33:26
○ 2026-02-23 23:14:06
○ 2026-02-25 03:30:10
● 2026-02-25 04:59:18
● 2026-02-25 06:49:52
○ 2026-02-25 23:13:10
○ 2026-03-02 15:04:18
● 2026-03-03 00:33:36
○ 2026-03-03 03:30:40
○ 2026-03-06 19:15:22
● 2026-03-07 02:12:44
○ 2026-03-07 03:30:44
○ 2026-03-11 04:40:06
● 2026-03-11 15:00:42
○ 2026-03-11 19:14:10
○ 2026-03-12 07:12:40
● 2026-03-12 14:24:46
○ 2026-03-12 19:14:54
○ 2026-03-14 17:17:32
● 2026-03-14 18:44:50
○ 2026-03-14 19:14:52
○ 2026-03-22 01:39:52
● 2026-03-23 02:40:30
○ 2026-03-23 03:31:46
○ 2026-03-25 03:27:00
● 2026-03-25 07:11:30
○ 2026-03-25 08:52:30
○ 2026-03-25 23:29:20
● 2026-03-26 00:14:16
● 2026-03-26 06:22:08
○ 2026-03-26 10:29:36
○ 2026-03-27 07:37:22

○A3.171.38.392026-02-16 → 2026-03-26 · 55 obs

○A3.171.38.52026-02-16 → 2026-03-26 · 55 obs

○A3.171.38.732026-02-16 → 2026-03-26 · 55 obs

○A37.58.107.932017-08-28 → 2017-08-28 · 4 obs

○ 2016-11-27 15:30:48
● 2017-08-28 17:11:46
○ 2026-02-15 02:28:12
○ 2026-03-27 07:37:22

○A52.85.47.1252026-03-26 → 2026-03-27 · 11 obs

○ 2026-03-26 06:22:08
● 2026-03-26 10:29:36
○ 2026-03-26 11:45:08
○ 2026-03-26 17:11:08
● 2026-03-26 20:40:50
○ 2026-03-26 21:24:04
○ 2026-03-26 22:51:38
● 2026-03-26 23:26:02
● 2026-03-27 01:32:34
○ 2026-03-27 02:09:28
○ 2026-03-27 07:37:22

○A52.85.47.1292026-03-26 → 2026-03-27 · 11 obs

○A52.85.47.472026-03-26 → 2026-03-27 · 11 obs

○A52.85.47.822026-03-26 → 2026-03-27 · 11 obs

○A69.172.201.1532016-11-27 → 2016-11-27 · 4 obs

○ 2016-04-12 11:25:46
● 2016-11-27 15:30:48
○ 2017-08-28 17:11:46
○ 2026-03-27 07:37:22

○A69.172.201.2082015-08-07 → 2016-04-12 · 4 obs

● 2015-08-07 10:27:50
● 2016-04-12 11:25:46
○ 2016-11-27 15:30:48
○ 2026-03-27 07:37:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	b.gtld-servers.net, a.gtld-servers.net, m.gtld-servers.net, j.gtld-servers.net...	-
teachercertification.com	ns-121.awsdns-15.com, ns-525.awsdns-01.net, ns-1645.awsdns-13.co.uk, ns-1046.awsdns-02.org	1 record

✅ Authoritative Response

Server:205.251.194.13

NS records: ns-121.awsdns-15.com, ns-525.awsdns-01.net, ns-1645.awsdns-13.co.uk, ns-1046.awsdns-02.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for teachercertification.com (unsigned zone)

⏱️ Timing

Total: 1062ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`3.171.38.120, 3.171.38.5...`
NS	4	`ns-1046.awsdns-02.org, ns-121.awsdns-15.com...`
MX	1	`teachercertification-com.mail.protection`
TXT	3	`MS=ms95477433, google-site-verification=veRwqvhaZrAEPG3...`
SOA	1	`ns-525.awsdns-01.net awsdns-hostmaster.a`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-121.awsdns-15.com)

Analysis

IP Addresses

teachercertification.com maps to four IP numbers: 3.164.68.21, 3.164.68.35, 3.164.68.74 and 3.164.68.79.

Other host names, for instance mjoldfield.com, georgestraithoustonrodeo.com, d1qoq75a1rgptn.cloudfront.net, jetbahis839.com and www.coptalia.es share IP numbers with teachercertification.com.

Name Servers

teachercertification.com's delegation is handled by four name servers: ns-121.awsdns-15.com, ns-525.awsdns-01.net, ns-1046.awsdns-02.org and ns-1645.awsdns-13.co.uk.

teachercertification.com partially shares name servers with other domains; examples include cheapgong.com, logmein.it, anahoken.net, cbatob.jp and kepnerfuneral.com.