checkprep.com - dns.ninja

`checkprep.com`

DNSSEC	⚠️ Not signed
A	3.162.112.22^{🇺🇸 Amazon3.162.112.0/21}
		PTR	`server-3-162-112-22.iad61.r.cloudfront.net`
A	3.162.112.76^{🇺🇸 Amazon3.162.112.0/21}
A	3.162.112.126^{🇺🇸 Amazon3.162.112.0/21}
A	3.162.112.128^{🇺🇸 Amazon3.162.112.0/21}
NS	`ns-687.awsdns-21.net` ⭐
		A	2600:9000:5302:af00::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-687.awsdns-21.net`
		A	205.251.194.175^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-687.awsdns-21.net`
NS	`ns-1356.awsdns-41.org`
		A	2600:9000:5305:4c00::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1356.awsdns-41.org`
		A	205.251.197.76^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1356.awsdns-41.org`
NS	`ns-15.awsdns-01.com`
		A	2600:9000:5300:f00::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-15.awsdns-01.com`
		A	205.251.192.15^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-15.awsdns-01.com`
NS	`ns-2013.awsdns-59.co.uk`
		A	2600:9000:5307:dd00::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-2013.awsdns-59.co.uk`
		A	205.251.199.221^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-2013.awsdns-59.co.uk`
MX	`smtp.google.com` ⭐
		A	2607:f8b0:4004:c0b::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bj-in-f26.1e100.net`
		A	2607:f8b0:4004:c0b::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bj-in-f27.1e100.net`
		A	2607:f8b0:4004:c17::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bl-in-f27.1e100.net`
		A	2607:f8b0:4004:c19::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bk-in-f26.1e100.net`
		A	142.250.31.26^{🇺🇸 Google142.250.31.0/24}
			PTR	`bj-in-f26.1e100.net`
		A	142.250.31.27^{🇺🇸 Google142.250.31.0/24}
			PTR	`bj-in-f27.1e100.net`
		A	142.251.16.27^{🇺🇸 Google142.251.16.0/24}
			PTR	`bl-in-f27.1e100.net`
		A	142.251.111.26^{🇺🇸 Google142.251.111.0/24}
			PTR	`bk-in-f26.1e100.net`
		A	172.253.139.27^{🇺🇸 Google172.253.139.0/24}
			PTR	`yuiadsk-in-f27.1e100.net`
TXT	`google-site-verification=0ZUmI0Wu0LITFJ64mZgtTyE45sEJ9uU3PCAhg0djCCAgoogle-si...`
SOA	`ns-687.awsdns-21.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=1786221789

Same first word

checkprep.com

Similar names

prepcheck.com

DNS History

111 records (9 active, 102 former)

●NSns-1356.awsdns-41.org2026-02-23 → 2026-08-08 · 3 obs

○ 2017-04-08 21:21:10
● 2026-02-23 15:32:46
● 2026-08-08 20:53:54

●NSns-15.awsdns-01.com2026-02-23 → 2026-08-08 · 3 obs

○ 2017-04-08 21:21:10
● 2026-02-23 15:32:46
● 2026-08-08 20:53:54

●NSns-2013.awsdns-59.co.uk2026-02-23 → 2026-08-08 · 3 obs

○ 2017-04-08 21:21:10
● 2026-02-23 15:32:46
● 2026-08-08 20:53:54

●NSns-687.awsdns-21.net2026-02-23 → 2026-08-08 · 3 obs

○ 2017-04-08 21:21:10
● 2026-02-23 15:32:46
● 2026-08-08 20:53:54

○NSns03.domaincontrol.com2015-05-28 → 2017-04-08 · 4 obs

● 2015-05-28 01:28:12
● 2017-04-08 21:21:10
○ 2026-02-23 15:32:46
○ 2026-08-08 20:53:54

○NSns04.domaincontrol.com2015-05-28 → 2017-04-08 · 4 obs

● 2015-05-28 01:28:12
● 2017-04-08 21:21:10
○ 2026-02-23 15:32:46
○ 2026-08-08 20:53:54

○NSns1.afternic.com2026-02-23 → 2026-08-08 · 2 obs

○ 2026-02-23 15:32:46
○ 2026-08-08 20:53:54

○NSns2.afternic.com2026-02-23 → 2026-08-08 · 2 obs

○ 2026-02-23 15:32:46
○ 2026-08-08 20:53:54

○MX.2026-02-23 → 2026-08-08 · 2 obs

○ 2026-02-23 15:32:46
○ 2026-08-08 20:53:54

○MXmailstore1.secureserver.net2015-05-28 → 2017-04-08 · 4 obs

● 2015-05-28 01:28:12
● 2017-04-08 21:21:10
○ 2026-02-23 15:32:46
○ 2026-08-08 20:53:54

●MXsmtp.google.com2026-06-17 → 2026-08-08 · 3 obs

○ 2026-02-23 15:32:46
● 2026-06-17 21:32:42
● 2026-08-08 20:53:54

○MXsmtp.secureserver.net2015-05-28 → 2017-04-08 · 4 obs

● 2015-05-28 01:28:12
● 2017-04-08 21:21:10
○ 2026-02-23 15:32:46
○ 2026-08-08 20:53:54

○A108.138.128.1082026-03-08 → 2026-05-20 · 16 obs

○ 2026-03-07 23:57:18
● 2026-03-08 04:21:04
○ 2026-03-08 06:40:26
○ 2026-03-14 02:10:00
● 2026-03-14 05:43:24
○ 2026-03-14 06:39:40
○ 2026-04-03 01:14:32
● 2026-04-03 03:01:44
○ 2026-04-03 12:10:42
○ 2026-05-19 06:54:48
● 2026-05-19 12:49:58
○ 2026-05-19 19:01:06
○ 2026-05-20 12:00:16
● 2026-05-20 21:08:32
○ 2026-05-20 22:10:48
○ 2026-08-08 20:53:54

○A108.138.128.242026-03-08 → 2026-05-20 · 16 obs

○A108.138.128.502026-03-08 → 2026-05-20 · 16 obs

○A108.138.128.552026-03-08 → 2026-05-20 · 16 obs

○A13.225.196.1102026-04-06 → 2026-04-06 · 4 obs

○ 2026-04-06 00:12:04
● 2026-04-06 07:43:32
○ 2026-04-06 08:30:42
○ 2026-08-08 20:53:54

○A13.225.196.1162026-04-06 → 2026-04-06 · 4 obs

○ 2026-04-06 00:12:04
● 2026-04-06 07:43:32
○ 2026-04-06 08:30:42
○ 2026-08-08 20:53:54

○A13.225.196.542026-04-06 → 2026-04-06 · 4 obs

○ 2026-04-06 00:12:04
● 2026-04-06 07:43:32
○ 2026-04-06 08:30:42
○ 2026-08-08 20:53:54

○A13.225.196.592026-04-06 → 2026-04-06 · 4 obs

○ 2026-04-06 00:12:04
● 2026-04-06 07:43:32
○ 2026-04-06 08:30:42
○ 2026-08-08 20:53:54

○A13.248.169.482026-02-23 → 2026-08-08 · 2 obs

○ 2026-02-23 15:32:46
○ 2026-08-08 20:53:54

○A13.249.228.182026-07-25 → 2026-07-28 · 10 obs

○ 2026-07-25 10:33:58
● 2026-07-25 11:08:38
○ 2026-07-25 16:59:00
● 2026-07-26 15:52:04
○ 2026-07-26 22:05:20
● 2026-07-27 17:45:52
○ 2026-07-28 00:29:32
● 2026-07-28 10:44:42
○ 2026-07-28 22:30:30
○ 2026-08-08 20:53:54

○A13.249.228.332026-07-25 → 2026-07-28 · 10 obs

○A13.249.228.472026-07-25 → 2026-07-28 · 10 obs

○A13.249.228.672026-07-25 → 2026-07-28 · 10 obs

○A13.249.96.1032026-04-08 → 2026-08-08 · 34 obs

○ 2026-04-06 13:16:44
● 2026-04-08 06:31:34
○ 2026-04-08 08:38:28
○ 2026-04-10 00:10:46
● 2026-04-10 02:45:40
○ 2026-04-10 06:30:10
○ 2026-06-17 23:40:12
● 2026-06-21 11:00:02
○ 2026-06-21 17:14:00
● 2026-07-01 00:34:50
● 2026-07-04 20:27:50
○ 2026-07-08 13:51:58
● 2026-07-09 19:58:00
● 2026-07-27 17:11:22
○ 2026-07-27 17:45:52
● 2026-07-28 02:54:46
○ 2026-07-28 09:13:14
● 2026-07-30 19:32:10
○ 2026-07-31 06:47:08
● 2026-07-31 10:44:38
○ 2026-08-01 08:53:36
● 2026-08-01 10:22:22
○ 2026-08-03 06:25:10
● 2026-08-04 12:05:22
○ 2026-08-04 18:55:46
● 2026-08-04 20:41:04
○ 2026-08-07 09:23:52
● 2026-08-07 14:21:48
○ 2026-08-07 20:23:40
● 2026-08-08 06:05:46
○ 2026-08-08 12:39:10
● 2026-08-08 13:59:40
○ 2026-08-08 20:53:52
○ 2026-08-08 20:53:54

○A13.249.96.1252026-04-08 → 2026-08-08 · 34 obs

○A13.249.96.322026-04-08 → 2026-08-08 · 34 obs

○A13.249.96.432026-04-08 → 2026-08-08 · 34 obs

○A13.249.98.522026-03-28 → 2026-06-01 · 18 obs

○ 2026-03-25 23:29:14
● 2026-03-28 16:51:56
● 2026-03-29 07:38:00
○ 2026-03-29 11:09:14
○ 2026-05-15 12:22:02
● 2026-05-16 00:47:40
○ 2026-05-16 06:11:26
○ 2026-05-17 02:57:44
● 2026-05-17 08:11:32
○ 2026-05-17 22:08:52
○ 2026-05-28 08:50:10
● 2026-05-29 10:16:38
○ 2026-05-29 23:53:32
○ 2026-05-31 08:14:48
● 2026-05-31 10:44:06
● 2026-06-01 00:27:46
○ 2026-06-01 12:58:56
○ 2026-08-08 20:53:54

○A13.249.98.62026-03-28 → 2026-06-01 · 18 obs

○A13.249.98.622026-03-28 → 2026-06-01 · 18 obs

○A13.249.98.992026-03-28 → 2026-06-01 · 18 obs

○A13.32.230.312026-07-03 → 2026-07-31 · 26 obs

○ 2026-07-02 17:38:48
● 2026-07-03 04:05:10
○ 2026-07-03 05:03:16
● 2026-07-03 06:36:20
○ 2026-07-03 16:55:44
○ 2026-07-04 20:27:50
● 2026-07-08 13:51:58
○ 2026-07-09 19:58:00
○ 2026-07-11 04:02:50
● 2026-07-17 21:18:06
● 2026-07-20 04:06:18
○ 2026-07-21 09:45:32
● 2026-07-22 19:38:24
● 2026-07-24 09:14:36
○ 2026-07-24 19:31:12
● 2026-07-25 00:16:16
○ 2026-07-25 10:33:58
● 2026-07-29 15:34:54
○ 2026-07-29 17:55:04
● 2026-07-29 21:52:42
○ 2026-07-29 23:24:38
● 2026-07-30 15:10:04
○ 2026-07-30 15:46:40
● 2026-07-31 06:47:08
○ 2026-07-31 10:44:38
○ 2026-08-08 20:53:54

○A13.32.230.352026-07-03 → 2026-07-31 · 26 obs

○A13.32.230.512026-07-03 → 2026-07-31 · 26 obs

○A13.32.230.732026-07-03 → 2026-07-31 · 26 obs

○A13.33.109.262026-04-21 → 2026-05-26 · 18 obs

○ 2026-04-20 12:42:16
● 2026-04-21 08:21:32
○ 2026-04-21 12:14:04
○ 2026-04-21 18:38:38
● 2026-04-22 00:33:02
○ 2026-04-22 02:57:02
○ 2026-05-14 03:03:10
● 2026-05-14 11:02:40
○ 2026-05-14 11:45:26
○ 2026-05-15 06:25:40
● 2026-05-15 12:22:02
○ 2026-05-15 12:53:26
○ 2026-05-25 18:54:02
● 2026-05-25 19:56:16
○ 2026-05-25 20:33:08
● 2026-05-26 00:52:44
○ 2026-05-26 01:46:44
○ 2026-08-08 20:53:54

○A13.33.109.382026-04-21 → 2026-05-26 · 18 obs

○A13.33.109.432026-04-21 → 2026-05-26 · 18 obs

○A13.33.109.952026-04-21 → 2026-05-26 · 18 obs

○A13.33.235.1022026-03-24 → 2026-08-08 · 23 obs

○ 2026-03-22 15:14:26
● 2026-03-24 18:06:46
○ 2026-03-24 21:47:54
○ 2026-03-25 08:58:50
● 2026-03-25 15:34:20
○ 2026-03-25 23:29:14
○ 2026-06-02 22:25:18
● 2026-07-12 20:46:24
○ 2026-07-12 22:12:18
● 2026-07-14 10:35:22
○ 2026-07-14 18:44:44
● 2026-07-15 14:07:18
● 2026-07-16 21:07:42
○ 2026-07-17 00:19:32
● 2026-07-18 08:27:34
○ 2026-07-18 14:06:48
● 2026-08-07 09:23:52
○ 2026-08-07 14:21:48
● 2026-08-08 01:52:10
○ 2026-08-08 06:05:46
● 2026-08-08 12:39:10
○ 2026-08-08 13:59:40
○ 2026-08-08 20:53:54

○A13.33.235.402026-03-24 → 2026-08-08 · 23 obs

○A13.33.235.632026-03-24 → 2026-08-08 · 23 obs

○A13.33.235.682026-03-24 → 2026-08-08 · 23 obs

○A13.33.82.1292026-04-23 → 2026-05-09 · 16 obs

○ 2026-04-22 02:57:02
● 2026-04-23 02:51:38
○ 2026-04-23 05:04:24
○ 2026-04-27 10:49:48
● 2026-04-27 11:19:56
○ 2026-04-27 15:24:48
○ 2026-04-28 07:49:40
● 2026-04-28 12:13:40
○ 2026-04-28 16:15:40
○ 2026-04-30 11:19:22
● 2026-04-30 17:20:14
○ 2026-04-30 18:44:02
○ 2026-05-09 13:56:40
● 2026-05-09 15:32:16
○ 2026-05-09 16:04:36
○ 2026-08-08 20:53:54

○A13.33.82.392026-04-23 → 2026-05-09 · 16 obs

○A13.33.82.82026-04-23 → 2026-05-09 · 16 obs

○A13.33.82.812026-04-23 → 2026-05-09 · 16 obs

○A143.204.130.1212026-04-20 → 2026-04-20 · 6 obs

○ 2026-04-15 11:41:00
● 2026-04-20 02:26:56
○ 2026-04-20 02:58:28
● 2026-04-20 05:05:30
○ 2026-04-20 12:42:16
○ 2026-08-08 20:53:54

○A143.204.130.1282026-04-20 → 2026-04-20 · 6 obs

○ 2026-04-15 11:41:00
● 2026-04-20 02:26:56
○ 2026-04-20 02:58:28
● 2026-04-20 05:05:30
○ 2026-04-20 12:42:16
○ 2026-08-08 20:53:54

○A143.204.130.162026-04-20 → 2026-04-20 · 6 obs

○ 2026-04-15 11:41:00
● 2026-04-20 02:26:56
○ 2026-04-20 02:58:28
● 2026-04-20 05:05:30
○ 2026-04-20 12:42:16
○ 2026-08-08 20:53:54

○A143.204.130.542026-04-20 → 2026-04-20 · 6 obs

○ 2026-04-15 11:41:00
● 2026-04-20 02:26:56
○ 2026-04-20 02:58:28
● 2026-04-20 05:05:30
○ 2026-04-20 12:42:16
○ 2026-08-08 20:53:54

○A18.161.111.212026-05-26 → 2026-05-28 · 7 obs

○ 2026-05-26 01:46:44
● 2026-05-26 20:24:54
○ 2026-05-26 21:19:24
○ 2026-05-27 16:44:28
● 2026-05-28 07:35:08
○ 2026-05-28 08:50:10
○ 2026-08-08 20:53:54

○A18.161.111.652026-05-26 → 2026-05-28 · 7 obs

○ 2026-05-26 01:46:44
● 2026-05-26 20:24:54
○ 2026-05-26 21:19:24
○ 2026-05-27 16:44:28
● 2026-05-28 07:35:08
○ 2026-05-28 08:50:10
○ 2026-08-08 20:53:54

○A18.161.111.892026-05-26 → 2026-05-28 · 7 obs

○ 2026-05-26 01:46:44
● 2026-05-26 20:24:54
○ 2026-05-26 21:19:24
○ 2026-05-27 16:44:28
● 2026-05-28 07:35:08
○ 2026-05-28 08:50:10
○ 2026-08-08 20:53:54

○A18.161.111.902026-05-26 → 2026-05-28 · 7 obs

○ 2026-05-26 01:46:44
● 2026-05-26 20:24:54
○ 2026-05-26 21:19:24
○ 2026-05-27 16:44:28
● 2026-05-28 07:35:08
○ 2026-05-28 08:50:10
○ 2026-08-08 20:53:54

○A18.165.25.1272026-03-21 → 2026-04-06 · 11 obs

○ 2026-03-18 05:28:50
● 2026-03-21 09:35:50
○ 2026-03-21 11:40:00
○ 2026-03-29 07:38:00
● 2026-03-29 11:09:14
● 2026-03-29 12:32:50
○ 2026-03-29 18:34:00
○ 2026-04-06 07:43:32
● 2026-04-06 08:30:42
○ 2026-04-06 13:16:44
○ 2026-08-08 20:53:54

○A18.165.25.172026-03-21 → 2026-04-06 · 11 obs

○A18.165.25.672026-03-21 → 2026-04-06 · 11 obs

○A18.165.25.862026-03-21 → 2026-04-06 · 11 obs

○A18.238.4.502026-04-14 → 2026-07-30 · 24 obs

○ 2026-04-10 06:30:10
● 2026-04-14 13:43:48
○ 2026-04-14 18:59:50
○ 2026-04-14 21:54:26
● 2026-04-14 23:14:06
○ 2026-04-15 11:41:00
○ 2026-05-08 20:25:48
● 2026-07-13 06:05:58
○ 2026-07-16 04:12:04
● 2026-07-18 14:06:48
● 2026-07-20 15:01:14
○ 2026-07-22 13:18:00
● 2026-07-25 16:59:00
● 2026-07-27 12:40:02
○ 2026-07-27 17:11:22
● 2026-07-28 00:29:32
○ 2026-07-28 02:54:46
● 2026-07-28 22:30:30
○ 2026-07-29 15:34:54
● 2026-07-29 17:55:04
○ 2026-07-29 20:44:28
● 2026-07-30 08:33:22
○ 2026-07-30 13:32:36
○ 2026-08-08 20:53:54

○A18.238.4.512026-04-14 → 2026-07-30 · 24 obs

○A18.238.4.742026-04-14 → 2026-07-30 · 24 obs

○A18.238.4.82026-04-14 → 2026-07-30 · 24 obs

○A18.239.50.1022026-04-05 → 2026-04-05 · 4 obs

○ 2026-04-03 12:10:42
● 2026-04-05 16:28:22
○ 2026-04-06 00:12:04
○ 2026-08-08 20:53:54

○A18.239.50.52026-04-05 → 2026-04-05 · 4 obs

○ 2026-04-03 12:10:42
● 2026-04-05 16:28:22
○ 2026-04-06 00:12:04
○ 2026-08-08 20:53:54

○A18.239.50.552026-04-05 → 2026-04-05 · 4 obs

○ 2026-04-03 12:10:42
● 2026-04-05 16:28:22
○ 2026-04-06 00:12:04
○ 2026-08-08 20:53:54

○A18.239.50.562026-04-05 → 2026-04-05 · 4 obs

○ 2026-04-03 12:10:42
● 2026-04-05 16:28:22
○ 2026-04-06 00:12:04
○ 2026-08-08 20:53:54

○A18.239.6.1052026-05-07 → 2026-05-07 · 6 obs

○ 2026-04-30 18:44:02
● 2026-05-07 17:35:56
○ 2026-05-07 18:55:58
● 2026-05-07 21:32:00
○ 2026-05-07 22:09:58
○ 2026-08-08 20:53:54

○A18.239.6.382026-05-07 → 2026-05-07 · 6 obs

○ 2026-04-30 18:44:02
● 2026-05-07 17:35:56
○ 2026-05-07 18:55:58
● 2026-05-07 21:32:00
○ 2026-05-07 22:09:58
○ 2026-08-08 20:53:54

○A18.239.6.742026-05-07 → 2026-05-07 · 6 obs

○ 2026-04-30 18:44:02
● 2026-05-07 17:35:56
○ 2026-05-07 18:55:58
● 2026-05-07 21:32:00
○ 2026-05-07 22:09:58
○ 2026-08-08 20:53:54

○A18.239.6.912026-05-07 → 2026-05-07 · 6 obs

○ 2026-04-30 18:44:02
● 2026-05-07 17:35:56
○ 2026-05-07 18:55:58
● 2026-05-07 21:32:00
○ 2026-05-07 22:09:58
○ 2026-08-08 20:53:54

○A216.137.53.1152026-02-23 → 2026-06-30 · 17 obs

○ 2017-04-08 21:21:10
● 2026-02-23 15:32:46
● 2026-02-23 21:38:20
○ 2026-02-24 16:40:52
● 2026-02-25 09:41:06
● 2026-05-19 03:45:18
○ 2026-05-19 06:54:48
○ 2026-06-08 22:48:58
● 2026-06-13 02:10:48
○ 2026-06-16 21:16:20
● 2026-06-21 02:16:52
○ 2026-06-26 09:02:22
● 2026-06-30 08:46:24
○ 2026-06-30 15:34:42
● 2026-06-30 20:39:54
○ 2026-06-30 21:24:02
○ 2026-08-08 20:53:54

○A216.137.53.382026-02-23 → 2026-06-30 · 17 obs

○A216.137.53.782026-02-23 → 2026-06-30 · 17 obs

○A216.137.53.912026-02-23 → 2026-06-30 · 17 obs

●A3.162.112.1262026-02-26 → 2026-08-08 · 23 obs

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

●A3.162.112.1282026-02-26 → 2026-08-08 · 23 obs

●A3.162.112.222026-02-26 → 2026-08-08 · 23 obs

●A3.162.112.762026-02-26 → 2026-08-08 · 23 obs

○A3.162.140.222026-03-22 → 2026-03-22 · 4 obs

○ 2026-03-21 11:40:00
● 2026-03-22 12:27:56
○ 2026-03-22 15:14:26
○ 2026-08-08 20:53:54

○A3.162.140.542026-03-22 → 2026-03-22 · 4 obs

○ 2026-03-21 11:40:00
● 2026-03-22 12:27:56
○ 2026-03-22 15:14:26
○ 2026-08-08 20:53:54

○A3.162.140.82026-03-22 → 2026-03-22 · 4 obs

○ 2026-03-21 11:40:00
● 2026-03-22 12:27:56
○ 2026-03-22 15:14:26
○ 2026-08-08 20:53:54

○A3.162.140.982026-03-22 → 2026-03-22 · 4 obs

○ 2026-03-21 11:40:00
● 2026-03-22 12:27:56
○ 2026-03-22 15:14:26
○ 2026-08-08 20:53:54

○A3.163.101.1022026-03-30 → 2026-07-30 · 27 obs

○ 2026-03-29 18:34:00
● 2026-03-30 00:23:58
○ 2026-03-30 02:03:06
○ 2026-03-30 15:02:26
● 2026-03-30 19:08:44
● 2026-04-02 06:06:14
○ 2026-04-02 18:03:24
○ 2026-06-21 02:16:52
● 2026-06-24 12:02:04
● 2026-06-27 07:16:52
○ 2026-06-27 18:24:26
○ 2026-07-02 13:37:58
● 2026-07-20 09:06:52
○ 2026-07-20 11:05:04
● 2026-07-26 22:05:20
○ 2026-07-27 07:14:30
● 2026-07-28 09:13:14
○ 2026-07-28 10:44:42
● 2026-07-29 20:44:28
○ 2026-07-29 21:52:42
● 2026-07-29 23:24:38
○ 2026-07-30 08:33:22
● 2026-07-30 13:32:36
○ 2026-07-30 15:10:04
● 2026-07-30 15:46:40
○ 2026-07-30 19:32:10
○ 2026-08-08 20:53:54

○A3.163.101.1122026-03-30 → 2026-07-30 · 27 obs

○A3.163.101.222026-03-30 → 2026-07-30 · 27 obs

○A3.163.101.282026-03-30 → 2026-07-30 · 27 obs

○A3.167.163.472026-05-20 → 2026-07-02 · 16 obs

○ 2026-05-20 21:08:32
● 2026-05-20 22:10:48
● 2026-05-21 04:58:44
○ 2026-05-21 10:40:58
● 2026-05-21 12:01:02
● 2026-05-31 08:14:48
○ 2026-06-01 12:58:56
● 2026-06-02 08:59:54
● 2026-06-07 23:18:32
○ 2026-06-08 09:08:40
● 2026-06-30 19:29:06
● 2026-07-02 09:22:50
○ 2026-07-02 11:02:34
● 2026-07-02 16:41:06
○ 2026-07-02 17:38:48
○ 2026-08-08 20:53:54

○A3.167.163.522026-05-20 → 2026-07-02 · 16 obs

○A3.167.163.852026-05-20 → 2026-07-02 · 16 obs

○A3.167.163.872026-05-20 → 2026-07-02 · 16 obs

○A3.170.185.1092026-05-20 → 2026-07-02 · 18 obs

○ 2026-05-19 19:01:06
● 2026-05-20 06:53:04
○ 2026-05-20 12:00:16
○ 2026-05-24 08:40:54
● 2026-05-24 10:41:00
○ 2026-05-24 11:38:52
○ 2026-05-27 07:36:16
● 2026-05-27 09:40:18
● 2026-05-27 10:30:50
○ 2026-05-27 12:21:54
○ 2026-06-03 03:20:26
● 2026-06-03 09:29:46
○ 2026-06-03 12:20:34
● 2026-07-02 02:48:58
○ 2026-07-02 09:22:50
● 2026-07-02 11:02:34
○ 2026-07-02 12:46:04
○ 2026-08-08 20:53:54

○A3.170.185.752026-05-20 → 2026-07-02 · 18 obs

○A3.170.185.842026-05-20 → 2026-07-02 · 18 obs

○A3.170.185.902026-05-20 → 2026-07-02 · 18 obs

○A3.174.255.1152026-03-18 → 2026-05-27 · 7 obs

○ 2026-03-14 06:39:40
● 2026-03-18 02:31:14
○ 2026-03-18 05:28:50
○ 2026-05-26 21:19:24
● 2026-05-27 00:15:26
○ 2026-05-27 01:45:26
○ 2026-08-08 20:53:54

○A3.174.255.1172026-03-18 → 2026-05-27 · 7 obs

○ 2026-03-14 06:39:40
● 2026-03-18 02:31:14
○ 2026-03-18 05:28:50
○ 2026-05-26 21:19:24
● 2026-05-27 00:15:26
○ 2026-05-27 01:45:26
○ 2026-08-08 20:53:54

○A3.174.255.752026-03-18 → 2026-05-27 · 7 obs

○ 2026-03-14 06:39:40
● 2026-03-18 02:31:14
○ 2026-03-18 05:28:50
○ 2026-05-26 21:19:24
● 2026-05-27 00:15:26
○ 2026-05-27 01:45:26
○ 2026-08-08 20:53:54

○A3.174.255.862026-03-18 → 2026-05-27 · 7 obs

○ 2026-03-14 06:39:40
● 2026-03-18 02:31:14
○ 2026-03-18 05:28:50
○ 2026-05-26 21:19:24
● 2026-05-27 00:15:26
○ 2026-05-27 01:45:26
○ 2026-08-08 20:53:54

○A50.63.202.322015-05-28 → 2017-04-08 · 4 obs

● 2015-05-28 01:28:12
● 2017-04-08 21:21:10
○ 2026-02-23 15:32:46
○ 2026-08-08 20:53:54

○A52.84.20.152026-02-24 → 2026-08-04 · 22 obs

○ 2026-02-23 21:38:20
● 2026-02-24 16:40:52
○ 2026-02-25 09:41:06
○ 2026-02-26 04:01:44
● 2026-02-26 06:46:56
○ 2026-02-26 11:26:36
○ 2026-03-05 18:32:50
● 2026-03-06 02:42:16
● 2026-03-06 11:57:38
○ 2026-03-06 18:34:44
○ 2026-03-07 10:30:42
● 2026-03-07 15:46:26
● 2026-03-07 23:57:18
○ 2026-03-08 04:21:04
○ 2026-03-25 01:09:16
● 2026-03-25 08:58:50
○ 2026-03-25 15:34:20
● 2026-08-01 08:53:36
○ 2026-08-01 10:22:22
● 2026-08-04 18:55:46
○ 2026-08-04 20:41:04
○ 2026-08-08 20:53:54

○A52.84.20.252026-02-24 → 2026-08-04 · 22 obs

○A52.84.20.572026-02-24 → 2026-08-04 · 22 obs

○A52.84.20.632026-02-24 → 2026-08-04 · 22 obs

○A52.85.118.282026-06-02 → 2026-06-05 · 18 obs

○ 2026-06-01 12:58:56
● 2026-06-02 04:40:24
○ 2026-06-02 05:49:06
● 2026-06-02 07:42:36
○ 2026-06-02 08:59:54
● 2026-06-02 16:40:48
● 2026-06-02 19:27:50
○ 2026-06-02 22:25:18
○ 2026-06-03 12:20:34
● 2026-06-03 19:44:54
○ 2026-06-03 21:32:08
○ 2026-06-04 06:15:58
● 2026-06-04 10:53:36
○ 2026-06-04 12:34:28
○ 2026-06-05 07:36:14
● 2026-06-05 11:09:42
○ 2026-06-05 12:18:40
○ 2026-08-08 20:53:54

○A52.85.118.502026-06-02 → 2026-06-05 · 18 obs

○A52.85.118.532026-06-02 → 2026-06-05 · 18 obs

○A52.85.118.582026-06-02 → 2026-06-05 · 18 obs

○A76.223.54.1462026-02-23 → 2026-08-08 · 2 obs

○ 2026-02-23 15:32:46
○ 2026-08-08 20:53:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	b.gtld-servers.net, e.gtld-servers.net, a.gtld-servers.net, k.gtld-servers.net...	-
checkprep.com	ns-15.awsdns-01.com, ns-687.awsdns-21.net, ns-1356.awsdns-41.org, ns-2013.awsdns-59.co.uk	2 records

✅ Authoritative Response

Server:205.251.199.221

NS records: ns-15.awsdns-01.com, ns-687.awsdns-21.net, ns-1356.awsdns-41.org, ns-2013.awsdns-59.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for checkprep.com (unsigned zone)

⏱️ Timing

Total: 695ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`3.162.112.128, 3.162.112.76...`
NS	4	`ns-1356.awsdns-41.org, ns-15.awsdns-01.com...`
MX	1	`smtp.google.com (pri: 1)`
TXT	1	`google-site-verification=0ZUmI0Wu0LITFJ6`
SOA	1	`ns-687.awsdns-21.net awsdns-hostmaster.a`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-15.awsdns-01.com, ns-15.awsdns-01.com)

Analysis

IP Addresses

checkprep.com directs to four IP numbers, which are 3.162.112.22, 3.162.112.76, 3.162.112.126 and 3.162.112.128.

help.pracsuite.com, qdobacareers.com, d1c1cw8xri0ajj.cloudfront.net plus two other host names have IP numbers in common with checkprep.com.

Name Servers

Four name servers handle the delegation for checkprep.com: ns-15.awsdns-01.com, ns-687.awsdns-21.net, ns-1356.awsdns-41.org and ns-2013.awsdns-59.co.uk.

At least some of checkprep.com's name servers are shared with other domains, for example do2sycafu5aw8.cloudfront.net, dxdhiwng1uuwr.cloudfront.net, depechemode2022.com and two more.

These name servers tend to be deployed in combination with the name servers ns-1642.awsdns-13.co.uk and ns-547.awsdns-04.net.

Four hostnames, each resolving to a pair of IP addresses: ns-15.awsdns-01.com directs to 205.251.192.15 and 2600:9000:5300:f00::1; ns-687.awsdns-21.net directs to 205.251.194.175 and 2600:9000:5302:af00::1; ns-1356.awsdns-41.org directs to 205.251.197.76 and 2600:9000:5305:4c00::1; ns-2013.awsdns-59.co.uk directs to 205.251.199.221 and 2600:9000:5307:dd00::1.

Mail Servers

checkprep.com uses one mail server — smtp.google.com.

The mail server setup of checkprep.com matches that of other domains such as revixit.org, andrebarrett.com, thehillsprime.com and two others.

At least some of the mail servers used by checkprep.com are shared with other domains: formscripts.com, hackernest.com, thelifewaychurch.net and two others among them.

smtp.google.com has 9 IP addresses: 142.250.31.26, 142.250.31.27, 142.251.16.27 plus 6 more.