`teacher.learning.com`

DNSSEC	⚠️ Not signed
A	3.171.61.16^{🇺🇸 Amazon3.171.60.0/23}
		PTR	`server-3-171-61-16.iad61.r.cloudfront.net`
A	3.171.61.18^{🇺🇸 Amazon3.171.60.0/23}
A	3.171.61.27^{🇺🇸 Amazon3.171.60.0/23}
A	3.171.61.97^{🇺🇸 Amazon3.171.60.0/23}

`learning.com`

	DNSSEC	⚠️ Not signed
	A	104.198.1.206^{🇺🇸 Google104.198.0.0/20}
	NS	`ns-404.awsdns-50.com` ⭐
	NS	`ns-1331.awsdns-38.org`
	NS	`ns-1771.awsdns-29.co.uk`
	NS	`ns-524.awsdns-01.net`
	MX	`d350051a.ess.barracudanetworks.com` ⭐
	MX	`d350051b.ess.barracudanetworks.com`⁽⁹⁹⁾
	TXT	`Dynatrace-site-verification=6cd2ed88-98ab-4fc6-9467-ff2a17146d2d__tm5ar7uheha...`
	TXT	`ZOOM_verify_YUvGPFp5EwO7aOWp2hILSS`
	TXT	`anthropic-domain-verification-fb9vka=RuzMx33lUl61o7HlJEDq82xQi`
	TXT	`atlassian-domain-verification=8TUixmTA8yi5taatqP0jIpV0PWtd7VyaQ4bdVG/OghF5xFe...`
	TXT	`figma-domain-verification=bea4c0cd937bff036d1c1190a940b1f3d64c0890c938fa498b6...`
	TXT	`godaddy-domain-verification=d6s0t0bm0ehpoblocg2276dq93`
	TXT	`google-site-verification=G-xJBL_7RivSONyc9L_sGV4hED7spqQnQ55P5uVRbhc`
	TXT	`miro-verification=74353d98d1899bbd843774c8dae7ae72409ef16f`
	TXT	`openai-domain-verification=dv-cxqAE9EPsimihhiiLKSFiORy`
	TXT	`salesforce-domain-verification=00D41000000GHbe=1TBUZ00000001iU`
	TXT	`v=spf1 mx include:spf.ess.barracudanetworks.com include:spf.protection.outloo...`
	SOA	`ns-404.awsdns-50.com`awsdns-hostmaster@amazon.com serial=1

WOT: SAFE (62/100)
rank #218320 globally
rank #95267 in the tld
WOT: SAFE (74/100)
📈 Tranco rank: #239,122

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DNS History

68 records (4 active, 64 former)

○A108.156.46.1192026-02-26 → 2026-06-27 · 25 obs

○ 2026-02-24 13:48:02
● 2026-02-26 19:49:58
○ 2026-02-28 05:28:02
○ 2026-03-01 05:26:38
● 2026-03-01 07:51:46
● 2026-03-13 13:20:40
○ 2026-03-13 22:59:24
○ 2026-03-22 03:29:18
● 2026-03-23 02:10:48
● 2026-04-11 09:18:52
○ 2026-04-12 05:38:22
○ 2026-04-18 00:23:24
● 2026-04-19 08:04:10
● 2026-05-07 19:40:32
○ 2026-05-11 07:06:34
● 2026-05-14 00:17:20
● 2026-05-17 21:55:34
○ 2026-05-20 12:10:58
○ 2026-06-17 06:53:50
● 2026-06-19 19:44:44
● 2026-06-27 01:05:14
○ 2026-06-27 04:50:32
● 2026-06-27 06:53:34
○ 2026-06-29 10:12:44
○ 2026-07-05 03:25:40

○A108.156.46.412026-02-26 → 2026-06-27 · 25 obs

○A108.156.46.452026-02-26 → 2026-06-27 · 25 obs

○A108.156.46.642026-02-26 → 2026-06-27 · 25 obs

○A108.156.91.1052026-05-20 → 2026-07-02 · 25 obs

○ 2026-05-20 12:10:58
● 2026-05-20 12:47:02
○ 2026-05-23 07:51:28
○ 2026-05-24 08:28:30
● 2026-05-24 09:57:38
○ 2026-05-24 12:35:38
○ 2026-05-24 15:03:04
● 2026-05-24 23:43:58
○ 2026-05-25 20:33:24
● 2026-05-26 02:55:14
○ 2026-05-28 07:49:18
● 2026-05-28 10:29:04
● 2026-05-31 01:20:32
○ 2026-06-01 00:40:18
○ 2026-06-01 22:29:20
● 2026-06-02 06:56:48
● 2026-06-07 20:31:16
○ 2026-06-08 01:41:12
● 2026-06-30 06:28:18
○ 2026-07-01 15:14:00
● 2026-07-02 09:25:20
○ 2026-07-02 11:34:34
● 2026-07-02 17:17:06
○ 2026-07-02 21:43:34
○ 2026-07-05 03:25:40

○A108.156.91.182026-05-20 → 2026-07-02 · 25 obs

○A108.156.91.592026-05-20 → 2026-07-02 · 25 obs

○A108.156.91.622026-05-20 → 2026-07-02 · 25 obs

○A13.249.96.112026-06-21 → 2026-06-22 · 6 obs

○ 2026-06-20 19:26:34
● 2026-06-21 14:25:22
○ 2026-06-21 21:07:22
● 2026-06-22 08:54:18
○ 2026-06-22 10:12:56
○ 2026-07-05 03:25:40

○A13.249.96.1102026-06-21 → 2026-06-22 · 6 obs

○ 2026-06-20 19:26:34
● 2026-06-21 14:25:22
○ 2026-06-21 21:07:22
● 2026-06-22 08:54:18
○ 2026-06-22 10:12:56
○ 2026-07-05 03:25:40

○A13.249.96.462026-06-21 → 2026-06-22 · 6 obs

○ 2026-06-20 19:26:34
● 2026-06-21 14:25:22
○ 2026-06-21 21:07:22
● 2026-06-22 08:54:18
○ 2026-06-22 10:12:56
○ 2026-07-05 03:25:40

○A13.249.96.542026-06-21 → 2026-06-22 · 6 obs

○ 2026-06-20 19:26:34
● 2026-06-21 14:25:22
○ 2026-06-21 21:07:22
● 2026-06-22 08:54:18
○ 2026-06-22 10:12:56
○ 2026-07-05 03:25:40

○A13.33.109.1082026-05-11 → 2026-05-14 · 14 obs

○ 2026-05-07 19:40:32
● 2026-05-11 07:06:34
○ 2026-05-11 11:20:30
○ 2026-05-12 13:49:02
● 2026-05-12 16:44:26
○ 2026-05-12 20:26:44
● 2026-05-12 21:31:22
○ 2026-05-12 23:04:20
● 2026-05-13 09:12:06
○ 2026-05-13 12:02:10
○ 2026-05-14 00:17:20
● 2026-05-14 13:34:10
○ 2026-05-14 16:48:02
○ 2026-07-05 03:25:40

○A13.33.109.152026-05-11 → 2026-05-14 · 14 obs

○A13.33.109.812026-05-11 → 2026-05-14 · 14 obs

○A13.33.109.992026-05-11 → 2026-05-14 · 14 obs

○A13.33.82.1012026-04-28 → 2026-05-07 · 24 obs

○ 2026-04-20 12:14:48
● 2026-04-28 02:47:46
○ 2026-04-28 12:03:34
○ 2026-04-30 01:26:50
● 2026-04-30 02:04:54
○ 2026-04-30 03:39:26
○ 2026-05-02 18:26:52
● 2026-05-03 14:19:20
○ 2026-05-03 19:00:20
● 2026-05-04 00:31:08
○ 2026-05-04 05:43:20
○ 2026-05-04 07:28:56
● 2026-05-05 09:11:40
○ 2026-05-05 10:41:34
● 2026-05-05 21:05:24
○ 2026-05-05 22:01:04
● 2026-05-06 04:50:36
○ 2026-05-06 07:33:38
○ 2026-05-06 11:16:42
● 2026-05-06 23:17:30
○ 2026-05-07 00:31:36
● 2026-05-07 01:24:46
○ 2026-05-07 04:05:36
○ 2026-07-05 03:25:40

○A13.33.82.1292026-04-28 → 2026-05-07 · 24 obs

○A13.33.82.242026-04-28 → 2026-05-07 · 24 obs

○A13.33.82.352026-04-28 → 2026-05-07 · 24 obs

○A18.155.21.1102026-03-30 → 2026-07-03 · 26 obs

○ 2026-03-25 01:49:46
● 2026-03-30 05:48:52
○ 2026-03-30 14:44:38
○ 2026-03-31 04:23:58
● 2026-03-31 11:41:20
○ 2026-04-01 03:10:18
○ 2026-04-11 09:18:52
● 2026-04-12 05:38:22
○ 2026-04-14 05:23:22
○ 2026-04-16 16:37:32
● 2026-04-18 00:23:24
○ 2026-04-19 08:04:10
○ 2026-05-23 07:51:28
● 2026-05-24 15:03:04
○ 2026-05-26 02:55:14
○ 2026-06-07 20:31:16
● 2026-06-08 01:41:12
● 2026-06-11 07:30:18
○ 2026-06-13 16:11:40
● 2026-06-16 06:16:18
○ 2026-06-16 09:07:14
● 2026-07-02 21:43:34
○ 2026-07-03 08:52:16
● 2026-07-03 18:09:34
○ 2026-07-04 10:07:46
○ 2026-07-05 03:25:40

○A18.155.21.262026-03-30 → 2026-07-03 · 26 obs

○A18.155.21.512026-03-30 → 2026-07-03 · 26 obs

○A18.155.21.82026-03-30 → 2026-07-03 · 26 obs

○A18.165.160.1122026-03-22 → 2026-03-22 · 4 obs

○ 2026-03-22 03:29:18
● 2026-03-22 11:00:06
○ 2026-03-23 02:10:48
○ 2026-07-05 03:25:40

○A18.165.160.292026-03-22 → 2026-03-22 · 4 obs

○ 2026-03-22 03:29:18
● 2026-03-22 11:00:06
○ 2026-03-23 02:10:48
○ 2026-07-05 03:25:40

○A18.165.160.552026-03-22 → 2026-03-22 · 4 obs

○ 2026-03-22 03:29:18
● 2026-03-22 11:00:06
○ 2026-03-23 02:10:48
○ 2026-07-05 03:25:40

○A18.165.160.602026-03-22 → 2026-03-22 · 4 obs

○ 2026-03-22 03:29:18
● 2026-03-22 11:00:06
○ 2026-03-23 02:10:48
○ 2026-07-05 03:25:40

○A18.238.55.262026-03-08 → 2026-03-08 · 4 obs

○ 2026-03-07 00:25:50
● 2026-03-08 19:15:54
○ 2026-03-09 02:03:44
○ 2026-07-05 03:25:40

○A18.238.55.512026-03-08 → 2026-03-08 · 4 obs

○ 2026-03-07 00:25:50
● 2026-03-08 19:15:54
○ 2026-03-09 02:03:44
○ 2026-07-05 03:25:40

○A18.238.55.552026-03-08 → 2026-03-08 · 4 obs

○ 2026-03-07 00:25:50
● 2026-03-08 19:15:54
○ 2026-03-09 02:03:44
○ 2026-07-05 03:25:40

○A18.238.55.622026-03-08 → 2026-03-08 · 4 obs

○ 2026-03-07 00:25:50
● 2026-03-08 19:15:54
○ 2026-03-09 02:03:44
○ 2026-07-05 03:25:40

○A18.65.25.392026-02-16 → 2026-02-16 · 3 obs

● 2026-02-16 15:37:02
○ 2026-02-21 15:52:26
○ 2026-07-05 03:25:40

○A18.65.25.52026-02-16 → 2026-02-16 · 3 obs

● 2026-02-16 15:37:02
○ 2026-02-21 15:52:26
○ 2026-07-05 03:25:40

○A18.65.25.632026-02-16 → 2026-02-16 · 3 obs

● 2026-02-16 15:37:02
○ 2026-02-21 15:52:26
○ 2026-07-05 03:25:40

○A18.65.25.672026-02-16 → 2026-02-16 · 3 obs

● 2026-02-16 15:37:02
○ 2026-02-21 15:52:26
○ 2026-07-05 03:25:40

○A3.164.206.172026-03-24 → 2026-03-24 · 4 obs

○ 2026-03-23 22:20:10
● 2026-03-24 23:19:24
○ 2026-03-25 01:49:46
○ 2026-07-05 03:25:40

○A3.164.206.612026-03-24 → 2026-03-24 · 4 obs

○ 2026-03-23 22:20:10
● 2026-03-24 23:19:24
○ 2026-03-25 01:49:46
○ 2026-07-05 03:25:40

○A3.164.206.752026-03-24 → 2026-03-24 · 4 obs

○ 2026-03-23 22:20:10
● 2026-03-24 23:19:24
○ 2026-03-25 01:49:46
○ 2026-07-05 03:25:40

○A3.164.206.972026-03-24 → 2026-03-24 · 4 obs

○ 2026-03-23 22:20:10
● 2026-03-24 23:19:24
○ 2026-03-25 01:49:46
○ 2026-07-05 03:25:40

○A3.170.73.1022026-04-01 → 2026-06-29 · 15 obs

○ 2026-03-31 11:41:20
● 2026-04-01 03:10:18
○ 2026-04-01 12:58:26
○ 2026-06-17 18:17:50
● 2026-06-19 02:04:52
○ 2026-06-19 15:13:36
● 2026-06-25 04:39:08
○ 2026-06-25 15:21:44
● 2026-06-26 11:07:14
○ 2026-06-26 13:21:54
● 2026-06-27 04:50:32
○ 2026-06-27 06:53:34
● 2026-06-29 11:22:16
○ 2026-06-30 06:28:18
○ 2026-07-05 03:25:40

○A3.170.73.1072026-04-01 → 2026-06-29 · 15 obs

○A3.170.73.572026-04-01 → 2026-06-29 · 15 obs

○A3.170.73.72026-04-01 → 2026-06-29 · 15 obs

●A3.171.61.162026-02-21 → 2026-07-05 · 27 obs

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

●A3.171.61.182026-02-21 → 2026-07-05 · 27 obs

●A3.171.61.272026-02-21 → 2026-07-05 · 27 obs

●A3.171.61.972026-02-21 → 2026-07-05 · 27 obs

○A3.174.29.292026-04-11 → 2026-04-20 · 13 obs

○ 2026-04-11 01:52:42
● 2026-04-11 05:16:14
○ 2026-04-11 09:18:52
○ 2026-04-14 05:23:22
● 2026-04-14 13:06:58
○ 2026-04-14 20:06:48
○ 2026-04-15 00:49:18
● 2026-04-15 10:42:56
○ 2026-04-16 16:37:32
○ 2026-04-19 14:32:42
● 2026-04-20 05:09:14
○ 2026-04-20 12:14:48
○ 2026-07-05 03:25:40

○A3.174.29.492026-04-11 → 2026-04-20 · 13 obs

○A3.174.29.502026-04-11 → 2026-04-20 · 13 obs

○A3.174.29.642026-04-11 → 2026-04-20 · 13 obs

○A3.174.59.1052026-04-10 → 2026-07-03 · 25 obs

○ 2026-04-01 12:58:26
● 2026-04-10 19:31:38
● 2026-04-11 01:52:42
○ 2026-04-11 05:16:14
○ 2026-05-06 04:50:36
● 2026-05-06 11:16:42
○ 2026-05-06 23:17:30
○ 2026-05-07 04:05:36
● 2026-05-07 11:54:38
○ 2026-05-07 19:40:32
○ 2026-05-11 11:20:30
● 2026-05-11 11:52:22
○ 2026-05-11 22:47:50
○ 2026-05-13 09:12:06
● 2026-05-13 12:02:10
○ 2026-05-14 00:17:20
○ 2026-05-16 18:42:30
● 2026-05-17 20:48:46
○ 2026-05-17 21:55:34
○ 2026-06-01 00:40:18
● 2026-06-01 22:29:20
○ 2026-06-02 06:56:48
● 2026-07-03 09:57:14
○ 2026-07-03 17:05:34
○ 2026-07-05 03:25:40

○A3.174.59.442026-04-10 → 2026-07-03 · 25 obs

○A3.174.59.542026-04-10 → 2026-07-03 · 25 obs

○A3.174.59.662026-04-10 → 2026-07-03 · 25 obs

○A52.222.236.232026-06-29 → 2026-06-29 · 4 obs

○ 2026-06-27 06:53:34
● 2026-06-29 10:12:44
○ 2026-06-29 11:22:16
○ 2026-07-05 03:25:40

○A52.222.236.42026-06-29 → 2026-06-29 · 4 obs

○ 2026-06-27 06:53:34
● 2026-06-29 10:12:44
○ 2026-06-29 11:22:16
○ 2026-07-05 03:25:40

○A52.222.236.552026-06-29 → 2026-06-29 · 4 obs

○ 2026-06-27 06:53:34
● 2026-06-29 10:12:44
○ 2026-06-29 11:22:16
○ 2026-07-05 03:25:40

○A52.222.236.852026-06-29 → 2026-06-29 · 4 obs

○ 2026-06-27 06:53:34
● 2026-06-29 10:12:44
○ 2026-06-29 11:22:16
○ 2026-07-05 03:25:40

○A52.222.244.722026-03-02 → 2026-03-21 · 25 obs

○ 2026-03-01 07:51:46
● 2026-03-02 19:03:20
○ 2026-03-03 01:08:26
○ 2026-03-03 06:31:22
● 2026-03-03 11:51:06
○ 2026-03-04 01:36:42
● 2026-03-05 02:23:42
○ 2026-03-05 07:55:32
● 2026-03-06 18:56:38
○ 2026-03-07 00:25:50
○ 2026-03-10 21:22:10
● 2026-03-11 17:16:26
○ 2026-03-12 00:44:12
○ 2026-03-16 01:39:32
● 2026-03-16 06:37:14
● 2026-03-17 04:49:12
○ 2026-03-17 15:11:12
○ 2026-03-18 08:56:06
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○A52.222.244.832026-03-02 → 2026-03-21 · 25 obs

○A52.222.244.882026-03-02 → 2026-03-21 · 25 obs

○A52.222.244.912026-03-02 → 2026-03-21 · 25 obs

○A54.239.195.1172026-03-23 → 2026-03-23 · 4 obs

○ 2026-03-23 02:10:48
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○ 2026-03-23 22:20:10
○ 2026-07-05 03:25:40

○A54.239.195.502026-03-23 → 2026-03-23 · 4 obs

○ 2026-03-23 02:10:48
● 2026-03-23 18:43:30
○ 2026-03-23 22:20:10
○ 2026-07-05 03:25:40

○A54.239.195.692026-03-23 → 2026-03-23 · 4 obs

○ 2026-03-23 02:10:48
● 2026-03-23 18:43:30
○ 2026-03-23 22:20:10
○ 2026-07-05 03:25:40

○A54.239.195.912026-03-23 → 2026-03-23 · 4 obs

○ 2026-03-23 02:10:48
● 2026-03-23 18:43:30
○ 2026-03-23 22:20:10
○ 2026-07-05 03:25:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
learning.com	ns-524.awsdns-01.net, ns-404.awsdns-50.com, ns-1771.awsdns-29.co.uk, ns-1331.awsdns-38.org	2 records

✅ Authoritative Response

Server:205.251.197.51

NS records: ns-524.awsdns-01.net, ns-404.awsdns-50.com, ns-1771.awsdns-29.co.uk, ns-1331.awsdns-38.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for learning.com (unsigned zone)

⏱️ Timing

Total: 507ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`3.171.61.16, 3.171.61.97...`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-404.awsdns-50.com, ns-404.awsdns-50.com)

Analysis

IP Addresses

teacher.learning.com has four IP addresses: 3.171.61.16, 3.171.61.18, 3.171.61.27 and 3.171.61.97.

Two other host names, along with www.ketto.org, server-3-171-61-27.iad61.r.cloudfront.net and d1ggzhnmdsdcov.cloudfront.net, also share IP numbers with teacher.learning.com.

teacher.learning.com - robtex.com