classroomapp.com - dns.ninja

`classroomapp.com`

DNSSEC	⚠️ Not signed
A	18.165.98.46^{🇺🇸 Amazon18.165.96.0/21}
		PTR	`server-18-165-98-46.iad55.r.cloudfront.net`
A	18.165.98.48^{🇺🇸 Amazon18.165.96.0/21}
A	18.165.98.60^{🇺🇸 Amazon18.165.96.0/21}
A	18.165.98.102^{🇺🇸 Amazon18.165.96.0/21}
NS	`ns-389.awsdns-48.com` ⭐
		A	2600:9000:5301:8500::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-389.awsdns-48.com`
		A	205.251.193.133^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-389.awsdns-48.com`
NS	`ns-1303.awsdns-34.org`
		A	2600:9000:5305:1700::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1303.awsdns-34.org`
		A	205.251.197.23^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1303.awsdns-34.org`
NS	`ns-1538.awsdns-00.co.uk`
		A	2600:9000:5306:200::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1538.awsdns-00.co.uk`
		A	205.251.198.2^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1538.awsdns-00.co.uk`
NS	`ns-909.awsdns-49.net`
		A	2600:9000:5303:8d00::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-909.awsdns-49.net`
		A	205.251.195.141^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-909.awsdns-49.net`
MX	`mx.oneoffice.ca` ⭐
		A	167.114.101.35^{🇨🇦 OVH167.114.0.0/17 Hosting route}
			PTR	`mx.oneoffice.ca`
TXT	`v=spf1 mx a mx:amazonses.com ?all`
SOA	`ns-389.awsdns-48.com`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=1786476514

Same first word

classroomapp.com

DNS History

107 records (9 active, 98 former)

○NSbuy.internettraffic.com2015-06-17 → 2016-04-09 · 4 obs

● 2015-06-17 14:57:22
● 2016-04-09 23:22:20
○ 2017-02-13 06:51:52
○ 2026-08-11 19:53:40

●NSns-1303.awsdns-34.org2026-02-16 → 2026-08-11 · 3 obs

○ 2018-10-18 15:23:04
● 2026-02-16 01:51:50
● 2026-08-11 19:53:40

●NSns-1538.awsdns-00.co.uk2026-02-16 → 2026-08-11 · 3 obs

○ 2018-10-18 15:23:04
● 2026-02-16 01:51:50
● 2026-08-11 19:53:40

●NSns-389.awsdns-48.com2026-02-16 → 2026-08-11 · 3 obs

○ 2018-10-18 15:23:04
● 2026-02-16 01:51:50
● 2026-08-11 19:53:40

●NSns-909.awsdns-49.net2026-02-16 → 2026-08-11 · 3 obs

○ 2018-10-18 15:23:04
● 2026-02-16 01:51:50
● 2026-08-11 19:53:40

○NSns47.domaincontrol.com2017-02-13 → 2017-02-13 · 4 obs

○ 2016-04-09 23:22:20
● 2017-02-13 06:51:52
○ 2018-10-18 15:23:04
○ 2026-08-11 19:53:40

○NSns48.domaincontrol.com2017-02-13 → 2017-02-13 · 4 obs

○ 2016-04-09 23:22:20
● 2017-02-13 06:51:52
○ 2018-10-18 15:23:04
○ 2026-08-11 19:53:40

○NSns73.domaincontrol.com2018-10-18 → 2018-10-18 · 4 obs

○ 2017-02-13 06:51:52
● 2018-10-18 15:23:04
○ 2026-02-16 01:51:50
○ 2026-08-11 19:53:40

○NSns74.domaincontrol.com2018-10-18 → 2018-10-18 · 4 obs

○ 2017-02-13 06:51:52
● 2018-10-18 15:23:04
○ 2026-02-16 01:51:50
○ 2026-08-11 19:53:40

○NSsell.internettraffic.com2015-06-17 → 2016-04-09 · 4 obs

● 2015-06-17 14:57:22
● 2016-04-09 23:22:20
○ 2017-02-13 06:51:52
○ 2026-08-11 19:53:40

○MXalt1.aspmx.l.google.com2018-10-18 → 2018-10-18 · 3 obs

● 2018-10-18 15:23:04
○ 2026-02-16 01:51:50
○ 2026-08-11 19:53:40

○MXalt2.aspmx.l.google.com2018-10-18 → 2018-10-18 · 3 obs

● 2018-10-18 15:23:04
○ 2026-02-16 01:51:50
○ 2026-08-11 19:53:40

○MXaspmx.l.google.com2018-10-18 → 2018-10-18 · 3 obs

● 2018-10-18 15:23:04
○ 2026-02-16 01:51:50
○ 2026-08-11 19:53:40

○MXaspmx2.googlemail.com2018-10-18 → 2018-10-18 · 3 obs

● 2018-10-18 15:23:04
○ 2026-02-16 01:51:50
○ 2026-08-11 19:53:40

○MXaspmx3.googlemail.com2018-10-18 → 2018-10-18 · 3 obs

● 2018-10-18 15:23:04
○ 2026-02-16 01:51:50
○ 2026-08-11 19:53:40

●MXmx.oneoffice.ca2026-02-16 → 2026-08-11 · 3 obs

○ 2018-10-18 15:23:04
● 2026-02-16 01:51:50
● 2026-08-11 19:53:40

○A108.156.39.32026-04-07 → 2026-06-15 · 8 obs

○ 2026-03-30 13:42:34
● 2026-04-07 02:39:38
○ 2026-04-07 13:57:08
○ 2026-06-15 02:13:50
● 2026-06-15 03:30:10
● 2026-06-15 04:01:38
○ 2026-06-15 04:52:54
○ 2026-08-11 19:53:40

○A108.156.39.412026-04-07 → 2026-06-15 · 8 obs

○ 2026-03-30 13:42:34
● 2026-04-07 02:39:38
○ 2026-04-07 13:57:08
○ 2026-06-15 02:13:50
● 2026-06-15 03:30:10
● 2026-06-15 04:01:38
○ 2026-06-15 04:52:54
○ 2026-08-11 19:53:40

○A108.156.39.842026-04-07 → 2026-06-15 · 8 obs

○ 2026-03-30 13:42:34
● 2026-04-07 02:39:38
○ 2026-04-07 13:57:08
○ 2026-06-15 02:13:50
● 2026-06-15 03:30:10
● 2026-06-15 04:01:38
○ 2026-06-15 04:52:54
○ 2026-08-11 19:53:40

○A108.156.39.952026-04-07 → 2026-06-15 · 8 obs

○ 2026-03-30 13:42:34
● 2026-04-07 02:39:38
○ 2026-04-07 13:57:08
○ 2026-06-15 02:13:50
● 2026-06-15 03:30:10
● 2026-06-15 04:01:38
○ 2026-06-15 04:52:54
○ 2026-08-11 19:53:40

○A108.158.137.1192026-04-11 → 2026-07-28 · 18 obs

○ 2026-04-07 20:06:38
● 2026-04-11 01:15:58
○ 2026-04-11 02:24:58
○ 2026-04-11 07:07:38
● 2026-04-11 22:31:08
○ 2026-04-12 01:18:14
○ 2026-05-16 23:30:58
● 2026-07-02 23:41:24
○ 2026-07-03 19:11:26
● 2026-07-13 21:20:50
○ 2026-07-13 23:38:20
● 2026-07-23 06:46:02
○ 2026-07-25 06:34:50
● 2026-07-26 21:40:14
○ 2026-07-27 03:06:56
● 2026-07-28 00:51:56
○ 2026-07-28 11:25:54
○ 2026-08-11 19:53:40

○A108.158.137.422026-04-11 → 2026-07-28 · 18 obs

○A108.158.137.892026-04-11 → 2026-07-28 · 18 obs

○A108.158.137.932026-04-11 → 2026-07-28 · 18 obs

○A13.226.94.1282026-03-07 → 2026-03-08 · 5 obs

○ 2026-02-28 07:27:58
● 2026-03-07 21:28:56
● 2026-03-08 01:39:48
○ 2026-03-08 09:33:14
○ 2026-08-11 19:53:40

○A13.226.94.392026-03-07 → 2026-03-08 · 5 obs

○ 2026-02-28 07:27:58
● 2026-03-07 21:28:56
● 2026-03-08 01:39:48
○ 2026-03-08 09:33:14
○ 2026-08-11 19:53:40

○A13.226.94.422026-03-07 → 2026-03-08 · 5 obs

○ 2026-02-28 07:27:58
● 2026-03-07 21:28:56
● 2026-03-08 01:39:48
○ 2026-03-08 09:33:14
○ 2026-08-11 19:53:40

○A13.226.94.862026-03-07 → 2026-03-08 · 5 obs

○ 2026-02-28 07:27:58
● 2026-03-07 21:28:56
● 2026-03-08 01:39:48
○ 2026-03-08 09:33:14
○ 2026-08-11 19:53:40

○A13.227.110.32026-06-11 → 2026-08-11 · 22 obs

○ 2026-06-11 08:42:02
● 2026-06-11 18:44:56
● 2026-06-11 19:34:08
○ 2026-06-11 20:59:28
● 2026-06-11 22:08:50
○ 2026-06-15 22:31:08
● 2026-06-30 21:57:22
● 2026-07-04 16:43:36
○ 2026-07-07 11:41:02
● 2026-07-09 16:19:40
● 2026-07-18 13:07:28
○ 2026-07-23 06:46:02
● 2026-07-31 01:30:48
● 2026-08-09 21:25:34
○ 2026-08-09 23:20:44
● 2026-08-10 02:37:16
○ 2026-08-10 06:49:14
● 2026-08-10 11:31:36
○ 2026-08-11 05:41:48
● 2026-08-11 14:44:22
○ 2026-08-11 18:32:20
○ 2026-08-11 19:53:40

○A13.227.110.302026-06-11 → 2026-08-11 · 22 obs

○A13.227.110.432026-06-11 → 2026-08-11 · 22 obs

○A13.227.110.582026-06-11 → 2026-08-11 · 22 obs

○A13.32.205.1112026-05-19 → 2026-07-02 · 17 obs

○ 2026-05-19 10:08:14
● 2026-05-19 15:48:16
● 2026-05-19 18:44:08
○ 2026-05-19 19:48:18
● 2026-05-19 21:22:12
● 2026-05-31 06:55:10
○ 2026-05-31 19:31:22
○ 2026-06-02 10:56:54
● 2026-06-02 11:32:30
● 2026-06-07 11:30:42
○ 2026-06-08 08:48:34
● 2026-06-30 12:03:00
● 2026-07-01 04:24:42
○ 2026-07-01 06:01:44
● 2026-07-02 11:24:16
○ 2026-07-02 21:18:06
○ 2026-08-11 19:53:40

○A13.32.205.1252026-05-19 → 2026-07-02 · 17 obs

○A13.32.205.472026-05-19 → 2026-07-02 · 17 obs

○A13.32.205.882026-05-19 → 2026-07-02 · 17 obs

○A13.33.109.1052026-05-19 → 2026-05-19 · 4 obs

○ 2026-05-18 23:20:16
● 2026-05-19 10:08:14
○ 2026-05-19 15:48:16
○ 2026-08-11 19:53:40

○A13.33.109.352026-05-19 → 2026-05-19 · 4 obs

○ 2026-05-18 23:20:16
● 2026-05-19 10:08:14
○ 2026-05-19 15:48:16
○ 2026-08-11 19:53:40

○A13.33.109.762026-05-19 → 2026-05-19 · 4 obs

○ 2026-05-18 23:20:16
● 2026-05-19 10:08:14
○ 2026-05-19 15:48:16
○ 2026-08-11 19:53:40

○A13.33.109.882026-05-19 → 2026-05-19 · 4 obs

○ 2026-05-18 23:20:16
● 2026-05-19 10:08:14
○ 2026-05-19 15:48:16
○ 2026-08-11 19:53:40

○A13.33.82.102026-04-20 → 2026-05-10 · 16 obs

○ 2026-04-20 10:01:28
● 2026-04-20 20:12:50
○ 2026-04-21 06:25:10
○ 2026-04-22 09:42:34
● 2026-04-22 10:25:40
○ 2026-04-22 12:48:18
○ 2026-05-03 14:55:54
● 2026-05-04 00:33:40
○ 2026-05-04 13:37:30
● 2026-05-04 14:24:34
● 2026-05-06 02:05:14
○ 2026-05-06 10:29:06
○ 2026-05-09 23:11:58
● 2026-05-10 01:18:30
○ 2026-05-10 04:01:00
○ 2026-08-11 19:53:40

○A13.33.82.602026-04-20 → 2026-05-10 · 16 obs

○A13.33.82.942026-04-20 → 2026-05-10 · 16 obs

○A13.33.82.972026-04-20 → 2026-05-10 · 16 obs

○A13.35.107.242026-07-13 → 2026-08-01 · 18 obs

○ 2026-07-13 00:57:22
● 2026-07-13 16:47:58
○ 2026-07-13 21:20:50
● 2026-07-13 23:38:20
○ 2026-07-14 02:00:48
○ 2026-07-15 12:30:50
● 2026-07-16 16:05:48
○ 2026-07-18 13:07:28
● 2026-07-20 17:44:48
○ 2026-07-21 11:03:38
● 2026-07-24 15:37:38
● 2026-07-27 16:07:58
○ 2026-07-29 04:04:44
● 2026-07-30 15:06:22
○ 2026-07-30 16:47:56
● 2026-08-01 22:04:32
○ 2026-08-02 13:17:56
○ 2026-08-11 19:53:40

○A13.35.107.402026-07-13 → 2026-08-01 · 18 obs

○A13.35.107.672026-07-13 → 2026-08-01 · 18 obs

○A13.35.107.692026-07-13 → 2026-08-01 · 18 obs

○A18.154.227.1272026-03-29 → 2026-08-06 · 10 obs

○ 2026-03-29 16:04:52
● 2026-03-29 20:46:20
○ 2026-03-30 13:42:34
● 2026-06-29 10:36:56
○ 2026-06-29 18:29:18
● 2026-07-01 23:13:38
○ 2026-07-02 03:36:42
● 2026-08-06 08:18:22
○ 2026-08-06 13:08:50
○ 2026-08-11 19:53:40

○A18.154.227.192026-03-29 → 2026-08-06 · 10 obs

○A18.154.227.42026-03-29 → 2026-08-06 · 10 obs

○A18.154.227.802026-03-29 → 2026-08-06 · 10 obs

○A18.164.144.1122026-05-28 → 2026-06-05 · 16 obs

○ 2026-05-28 03:06:40
● 2026-05-28 16:45:46
● 2026-05-28 18:43:50
○ 2026-05-28 19:37:58
○ 2026-06-01 18:35:32
● 2026-06-01 21:53:34
● 2026-06-02 10:56:54
○ 2026-06-02 11:32:30
○ 2026-06-04 08:16:24
● 2026-06-04 11:49:18
○ 2026-06-04 16:22:16
○ 2026-06-05 05:04:46
● 2026-06-05 10:23:44
● 2026-06-05 10:55:02
○ 2026-06-05 11:34:58
○ 2026-08-11 19:53:40

○A18.164.144.22026-05-28 → 2026-06-05 · 16 obs

○A18.164.144.562026-05-28 → 2026-06-05 · 16 obs

○A18.164.144.82026-05-28 → 2026-06-05 · 16 obs

○A18.165.140.1142026-07-12 → 2026-08-11 · 20 obs

○ 2026-07-12 10:50:58
● 2026-07-12 21:46:04
○ 2026-07-13 00:57:22
● 2026-07-14 02:00:48
○ 2026-07-14 03:11:22
● 2026-07-14 05:36:44
○ 2026-07-14 15:53:22
○ 2026-07-14 23:25:14
● 2026-07-18 06:31:04
○ 2026-07-18 07:24:20
● 2026-08-07 10:40:26
○ 2026-08-07 13:34:40
● 2026-08-08 00:30:32
● 2026-08-08 12:00:26
○ 2026-08-08 13:00:48
● 2026-08-08 13:46:48
○ 2026-08-08 21:38:50
● 2026-08-11 12:03:00
○ 2026-08-11 14:44:22
○ 2026-08-11 19:53:40

○A18.165.140.232026-07-12 → 2026-08-11 · 20 obs

○A18.165.140.432026-07-12 → 2026-08-11 · 20 obs

○A18.165.140.652026-07-12 → 2026-08-11 · 20 obs

○A18.165.160.1282026-05-29 → 2026-05-29 · 4 obs

○ 2026-05-28 19:37:58
● 2026-05-29 03:00:32
○ 2026-05-29 04:01:34
○ 2026-08-11 19:53:40

○A18.165.160.522026-05-29 → 2026-05-29 · 4 obs

○ 2026-05-28 19:37:58
● 2026-05-29 03:00:32
○ 2026-05-29 04:01:34
○ 2026-08-11 19:53:40

○A18.165.160.542026-05-29 → 2026-05-29 · 4 obs

○ 2026-05-28 19:37:58
● 2026-05-29 03:00:32
○ 2026-05-29 04:01:34
○ 2026-08-11 19:53:40

○A18.165.160.592026-05-29 → 2026-05-29 · 4 obs

○ 2026-05-28 19:37:58
● 2026-05-29 03:00:32
○ 2026-05-29 04:01:34
○ 2026-08-11 19:53:40

●A18.165.98.1022026-02-17 → 2026-08-11 · 21 obs

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

●A18.165.98.462026-02-17 → 2026-08-11 · 21 obs

●A18.165.98.482026-02-17 → 2026-08-11 · 21 obs

●A18.165.98.602026-02-17 → 2026-08-11 · 21 obs

○A18.245.187.1012026-02-16 → 2026-06-30 · 18 obs

○ 2018-10-18 15:23:04
● 2026-02-16 01:51:50
● 2026-02-16 22:22:34
○ 2026-02-17 00:09:46
● 2026-02-17 08:44:54
● 2026-04-13 00:46:26
○ 2026-04-13 18:46:52
○ 2026-04-20 10:01:28
● 2026-04-21 06:25:10
● 2026-05-18 23:20:16
○ 2026-05-19 10:08:14
○ 2026-06-11 22:08:50
● 2026-06-12 02:30:08
● 2026-06-29 18:29:18
○ 2026-06-30 11:07:34
● 2026-06-30 15:53:52
○ 2026-06-30 21:57:22
○ 2026-08-11 19:53:40

○A18.245.187.512026-02-16 → 2026-06-30 · 18 obs

○A18.245.187.622026-02-16 → 2026-06-30 · 18 obs

○A18.245.187.652026-02-16 → 2026-06-30 · 18 obs

○A192.241.208.1552017-02-13 → 2017-02-13 · 4 obs

○ 2016-04-09 23:22:20
● 2017-02-13 06:51:52
○ 2018-10-18 15:23:04
○ 2026-08-11 19:53:40

○A3.163.10.1052026-03-29 → 2026-06-11 · 18 obs

○ 2026-03-28 02:11:56
● 2026-03-29 08:39:42
● 2026-03-29 16:04:52
○ 2026-03-29 20:46:20
○ 2026-04-16 16:41:28
● 2026-04-16 20:32:14
○ 2026-04-18 02:00:06
● 2026-04-20 10:01:28
○ 2026-04-20 20:12:50
○ 2026-05-31 06:55:10
● 2026-05-31 19:31:22
○ 2026-06-01 16:11:50
○ 2026-06-10 02:09:56
● 2026-06-11 04:48:56
○ 2026-06-11 05:56:14
● 2026-06-11 07:34:16
○ 2026-06-11 08:42:02
○ 2026-08-11 19:53:40

○A3.163.10.292026-03-29 → 2026-06-11 · 18 obs

○A3.163.10.502026-03-29 → 2026-06-11 · 18 obs

○A3.163.10.932026-03-29 → 2026-06-11 · 18 obs

○A3.164.85.1012026-05-27 → 2026-05-27 · 4 obs

○ 2026-05-19 21:22:12
● 2026-05-27 04:22:00
○ 2026-05-27 06:06:18
○ 2026-08-11 19:53:40

○A3.164.85.1242026-05-27 → 2026-05-27 · 4 obs

○ 2026-05-19 21:22:12
● 2026-05-27 04:22:00
○ 2026-05-27 06:06:18
○ 2026-08-11 19:53:40

○A3.164.85.562026-05-27 → 2026-05-27 · 4 obs

○ 2026-05-19 21:22:12
● 2026-05-27 04:22:00
○ 2026-05-27 06:06:18
○ 2026-08-11 19:53:40

○A3.164.85.702026-05-27 → 2026-05-27 · 4 obs

○ 2026-05-19 21:22:12
● 2026-05-27 04:22:00
○ 2026-05-27 06:06:18
○ 2026-08-11 19:53:40

○A3.175.14.1252026-04-12 → 2026-06-07 · 16 obs

○ 2026-04-12 01:18:14
● 2026-04-12 14:24:56
○ 2026-04-13 00:46:26
○ 2026-04-13 20:06:58
● 2026-04-14 00:05:30
○ 2026-04-14 10:50:36
○ 2026-04-15 00:15:20
● 2026-04-15 07:55:20
● 2026-04-15 14:29:38
○ 2026-04-15 21:59:44
● 2026-04-16 07:14:52
○ 2026-04-16 10:22:44
○ 2026-06-07 23:22:24
● 2026-06-07 23:57:24
○ 2026-06-08 04:04:26
○ 2026-08-11 19:53:40

○A3.175.14.132026-04-12 → 2026-06-07 · 16 obs

○A3.175.14.552026-04-12 → 2026-06-07 · 16 obs

○A3.175.14.722026-04-12 → 2026-06-07 · 16 obs

○A35.175.47.142018-10-18 → 2018-10-18 · 4 obs

○ 2017-02-13 06:51:52
● 2018-10-18 15:23:04
○ 2026-02-16 01:51:50
○ 2026-08-11 19:53:40

○A52.222.154.1192026-07-27 → 2026-07-28 · 8 obs

○ 2026-07-26 21:40:14
● 2026-07-27 03:06:56
○ 2026-07-27 08:43:48
● 2026-07-27 13:07:04
○ 2026-07-27 16:07:58
● 2026-07-28 11:25:54
○ 2026-07-28 12:38:18
○ 2026-08-11 19:53:40

○A52.222.154.302026-07-27 → 2026-07-28 · 8 obs

○ 2026-07-26 21:40:14
● 2026-07-27 03:06:56
○ 2026-07-27 08:43:48
● 2026-07-27 13:07:04
○ 2026-07-27 16:07:58
● 2026-07-28 11:25:54
○ 2026-07-28 12:38:18
○ 2026-08-11 19:53:40

○A52.222.154.62026-07-27 → 2026-07-28 · 8 obs

○ 2026-07-26 21:40:14
● 2026-07-27 03:06:56
○ 2026-07-27 08:43:48
● 2026-07-27 13:07:04
○ 2026-07-27 16:07:58
● 2026-07-28 11:25:54
○ 2026-07-28 12:38:18
○ 2026-08-11 19:53:40

○A52.222.154.742026-07-27 → 2026-07-28 · 8 obs

○ 2026-07-26 21:40:14
● 2026-07-27 03:06:56
○ 2026-07-27 08:43:48
● 2026-07-27 13:07:04
○ 2026-07-27 16:07:58
● 2026-07-28 11:25:54
○ 2026-07-28 12:38:18
○ 2026-08-11 19:53:40

○A65.8.76.622026-05-27 → 2026-05-31 · 17 obs

○ 2026-05-27 06:06:18
● 2026-05-27 09:07:20
● 2026-05-27 10:06:58
○ 2026-05-27 16:40:56
○ 2026-05-27 20:33:52
● 2026-05-27 21:07:30
○ 2026-05-28 03:06:40
○ 2026-05-29 03:00:32
● 2026-05-29 04:01:34
○ 2026-05-29 05:14:44
○ 2026-05-29 23:16:44
● 2026-05-30 00:08:34
○ 2026-05-30 01:47:24
○ 2026-05-31 20:27:16
● 2026-05-31 23:48:26
○ 2026-06-01 00:21:46
○ 2026-08-11 19:53:40

○A65.8.76.642026-05-27 → 2026-05-31 · 17 obs

○A65.8.76.672026-05-27 → 2026-05-31 · 17 obs

○A65.8.76.972026-05-27 → 2026-05-31 · 17 obs

○A69.172.201.2082015-06-17 → 2016-04-09 · 4 obs

● 2015-06-17 14:57:22
● 2016-04-09 23:22:20
○ 2017-02-13 06:51:52
○ 2026-08-11 19:53:40

○A99.84.215.1122026-02-21 → 2026-08-09 · 18 obs

○ 2026-02-20 00:15:14
● 2026-02-21 22:10:54
○ 2026-02-22 00:15:44
○ 2026-02-27 23:55:36
● 2026-02-28 04:20:22
○ 2026-02-28 07:27:58
○ 2026-03-28 02:11:56
● 2026-07-04 05:40:56
● 2026-07-08 04:57:52
○ 2026-07-09 16:19:40
● 2026-07-23 13:56:22
○ 2026-07-25 16:16:50
● 2026-07-29 06:44:54
● 2026-08-05 05:28:32
○ 2026-08-05 10:42:12
● 2026-08-09 23:20:44
○ 2026-08-10 02:37:16
○ 2026-08-11 19:53:40

○A99.84.215.1282026-02-21 → 2026-08-09 · 18 obs

○A99.84.215.642026-02-21 → 2026-08-09 · 18 obs

○A99.84.215.792026-02-21 → 2026-08-09 · 18 obs

○A99.84.237.1122026-04-07 → 2026-07-30 · 17 obs

○ 2026-04-07 02:39:38
● 2026-04-07 13:57:08
○ 2026-04-07 20:06:38
● 2026-06-21 06:24:24
○ 2026-06-21 07:23:22
● 2026-06-22 17:23:42
○ 2026-06-23 19:08:00
● 2026-06-24 03:55:54
● 2026-06-25 05:35:06
○ 2026-06-25 13:40:34
○ 2026-06-28 21:48:22
● 2026-07-29 04:04:44
● 2026-07-29 23:04:58
○ 2026-07-30 03:47:20
● 2026-07-30 10:56:30
○ 2026-07-30 15:06:22
○ 2026-08-11 19:53:40

○A99.84.237.292026-04-07 → 2026-07-30 · 17 obs

○A99.84.237.682026-04-07 → 2026-07-30 · 17 obs

○A99.84.237.82026-04-07 → 2026-07-30 · 17 obs

○A99.84.252.1012026-06-17 → 2026-07-27 · 9 obs

○ 2026-06-15 22:31:08
● 2026-06-17 00:04:44
○ 2026-06-17 03:16:56
○ 2026-06-17 04:41:04
● 2026-06-17 07:00:38
○ 2026-06-17 10:47:52
● 2026-07-27 08:43:48
○ 2026-07-27 13:07:04
○ 2026-08-11 19:53:40

○A99.84.252.1182026-06-17 → 2026-07-27 · 9 obs

○A99.84.252.892026-06-17 → 2026-07-27 · 9 obs

○A99.84.252.972026-06-17 → 2026-07-27 · 9 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
classroomapp.com	ns-389.awsdns-48.com, ns-909.awsdns-49.net, ns-1538.awsdns-00.co.uk, ns-1303.awsdns-34.org	2 records

✅ Authoritative Response

Server:205.251.197.23

NS records: ns-389.awsdns-48.com, ns-909.awsdns-49.net, ns-1538.awsdns-00.co.uk, ns-1303.awsdns-34.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for classroomapp.com (unsigned zone)

⏱️ Timing

Total: 633ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`18.165.98.48, 18.165.98.60...`
NS	4	`ns-1303.awsdns-34.org, ns-1538.awsdns-00.co.uk...`
MX	1	`mx.oneoffice.ca (pri: 10)`
TXT	1	`v=spf1 mx a mx:amazonses.com ?all`
SOA	1	`ns-389.awsdns-48.com awsdns-hostmaster.a`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-389.awsdns-48.com, ns-389.awsdns-48.com)

Analysis

IP Addresses

classroomapp.com points to the four IP addresses 18.165.98.46, 18.165.98.48, 18.165.98.60 and 18.165.98.102.

Additional host names — www.pagelycoupons.com, support-mindpopapp-com-7dfa6367-9682-42fc-9b59-8b9beea25023.saas.atlassian.com, abbott-discovery.com and two others — share IP numbers with classroomapp.com.

Name Servers

classroomapp.com has four authoritative name servers: ns-389.awsdns-48.com, ns-909.awsdns-49.net, ns-1303.awsdns-34.org and ns-1538.awsdns-00.co.uk.

The name servers of classroomapp.com overlap at least partially with those of other domains — among them openboard.com, ow48.pl, cprotest255.com and two more.

Each of the four hosts ns-389.awsdns-48.com, ns-909.awsdns-49.net, ns-1303.awsdns-34.org and ns-1538.awsdns-00.co.uk has two IP addresses. ns-389.awsdns-48.com points to 205.251.193.133 and 2600:9000:5301:8500::1. ns-909.awsdns-49.net points to 205.251.195.141 and 2600:9000:5303:8d00::1. ns-1303.awsdns-34.org points to 205.251.197.23 and 2600:9000:5305:1700::1. ns-1538.awsdns-00.co.uk points to 205.251.198.2 and 2600:9000:5306:200::1.

Mail Servers

classroomapp.com has one mail server: mx.oneoffice.ca.

classroomapp.com shares its mail server configuration with other domains such as zegenie.com, oneoffice.ca and oneoffice.bh.

mx.oneoffice.ca has exactly one IP number: 167.114.101.35.