`cdsdis.learning.com`

DNSSEC	⚠️ Not signed
A	18.155.21.53^{🇺🇸 Amazon18.155.16.0/21}
		PTR	`server-18-155-21-53.gru3.r.cloudfront.net`
A	18.155.21.60^{🇺🇸 Amazon18.155.16.0/21}
A	18.155.21.95^{🇺🇸 Amazon18.155.16.0/21}
A	18.155.21.103^{🇺🇸 Amazon18.155.16.0/21}

`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	`google-site-verification=G-xJBL_7RivSONyc9L_sGV4hED7spqQnQ55P5uVRbhc`
	TXT	`miro-verification=74353d98d1899bbd843774c8dae7ae72409ef16f`
	TXT	`openai-domain-verification=dv-cxqAE9EPsimihhiiLKSFiORy`
	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 #247083 globally
rank #105852 in the tld
WOT: SAFE (74/100)
📈 Tranco rank: #100,533

Similar names

sdicds.com

dsidsc.net

csidds.com

dsidsc.org

idscsd.com

dsidsc.ca

dsidsc.biz

dsidsc.com

DNS History

28 records (4 active, 24 former)

○A108.156.22.1112026-03-23 → 2026-03-27 · 16 obs

○ 2026-03-23 07:50:38
● 2026-03-23 13:10:20
● 2026-03-23 13:59:46
○ 2026-03-23 21:14:56
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● 2026-03-25 23:08:24
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● 2026-03-27 01:10:38
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● 2026-03-27 07:14:42
○ 2026-03-27 08:19:40
○ 2026-03-29 11:26:04

○A108.156.22.1232026-03-23 → 2026-03-27 · 16 obs

○A108.156.22.1252026-03-23 → 2026-03-27 · 16 obs

○A108.156.22.62026-03-23 → 2026-03-27 · 16 obs

○A13.226.209.32026-03-09 → 2026-03-27 · 93 obs

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

○A13.226.209.322026-03-09 → 2026-03-27 · 93 obs

○A13.226.209.392026-03-09 → 2026-03-27 · 93 obs

○A13.226.209.462026-03-09 → 2026-03-27 · 93 obs

●A18.155.21.1032026-03-28 → 2026-03-29 · 9 obs

○ 2026-03-28 12:20:16
● 2026-03-28 14:25:56
● 2026-03-28 15:06:16
○ 2026-03-28 17:44:34
○ 2026-03-28 19:58:12
● 2026-03-28 22:31:42
○ 2026-03-28 23:33:54
● 2026-03-29 11:26:02
● 2026-03-29 11:26:04

●A18.155.21.532026-03-28 → 2026-03-29 · 9 obs

●A18.155.21.602026-03-28 → 2026-03-29 · 9 obs

●A18.155.21.952026-03-28 → 2026-03-29 · 9 obs

○A18.161.97.1222026-03-20 → 2026-03-20 · 4 obs

○ 2026-03-20 16:48:58
● 2026-03-20 17:39:30
○ 2026-03-20 20:54:10
○ 2026-03-29 11:26:04

○A18.161.97.302026-03-20 → 2026-03-20 · 4 obs

○ 2026-03-20 16:48:58
● 2026-03-20 17:39:30
○ 2026-03-20 20:54:10
○ 2026-03-29 11:26:04

○A18.161.97.532026-03-20 → 2026-03-20 · 4 obs

○ 2026-03-20 16:48:58
● 2026-03-20 17:39:30
○ 2026-03-20 20:54:10
○ 2026-03-29 11:26:04

○A18.161.97.852026-03-20 → 2026-03-20 · 4 obs

○ 2026-03-20 16:48:58
● 2026-03-20 17:39:30
○ 2026-03-20 20:54:10
○ 2026-03-29 11:26:04

○A216.137.44.542026-03-09 → 2026-03-28 · 118 obs

○ 2026-03-09 08:42:00
● 2026-03-09 14:44:58
● 2026-03-09 15:16:40
○ 2026-03-10 06:57:06
○ 2026-03-10 12:44:08
● 2026-03-10 13:19:32
● 2026-03-11 05:34:10
○ 2026-03-11 06:38:00
○ 2026-03-11 08:24:56
● 2026-03-11 09:34:56
● 2026-03-11 11:38:46
○ 2026-03-11 14:23:56
○ 2026-03-11 15:29:38
● 2026-03-11 17:46:58
● 2026-03-12 13:26:38
○ 2026-03-12 17:57:16
○ 2026-03-12 19:38:20
● 2026-03-13 02:19:26
● 2026-03-13 09:58:20
○ 2026-03-13 21:53:06
○ 2026-03-14 05:57:50
● 2026-03-14 07:22:10
○ 2026-03-14 08:01:08
● 2026-03-14 08:31:40
● 2026-03-14 12:24:06
○ 2026-03-14 14:03:56
● 2026-03-14 16:39:32
● 2026-03-14 18:12:26
○ 2026-03-15 00:10:52
● 2026-03-15 02:56:18
○ 2026-03-15 06:07:18
● 2026-03-15 07:25:32
○ 2026-03-15 08:55:12
● 2026-03-15 11:01:44
● 2026-03-15 13:13:24
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○ 2026-03-15 19:44:02
● 2026-03-16 01:09:50
○ 2026-03-16 03:11:38
○ 2026-03-16 08:23:22
● 2026-03-16 15:23:06
● 2026-03-17 00:21:48
○ 2026-03-17 04:38:26
● 2026-03-17 05:13:26
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○ 2026-03-17 16:48:10
○ 2026-03-17 18:23:10
● 2026-03-18 02:03:54
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● 2026-03-18 10:54:36
○ 2026-03-18 12:04:26
● 2026-03-18 12:47:42
● 2026-03-18 14:51:16
○ 2026-03-18 20:19:14
○ 2026-03-19 00:32:14
● 2026-03-19 01:48:10
● 2026-03-19 03:26:46
○ 2026-03-19 07:58:08
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● 2026-03-19 15:55:50
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● 2026-03-20 00:28:20
○ 2026-03-20 03:26:56
● 2026-03-20 04:48:14
● 2026-03-20 16:48:58
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● 2026-03-21 03:06:16
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○ 2026-03-21 11:47:18
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● 2026-03-25 06:23:36
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● 2026-03-25 16:45:10
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● 2026-03-26 02:12:42
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○ 2026-03-27 01:10:38
● 2026-03-27 01:43:06
● 2026-03-27 02:19:48
○ 2026-03-27 03:55:50
● 2026-03-27 04:35:44
● 2026-03-27 06:02:24
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○ 2026-03-27 10:17:52
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● 2026-03-28 02:42:26
○ 2026-03-28 06:21:52
● 2026-03-28 12:20:16
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○ 2026-03-29 11:26:02
○ 2026-03-29 11:26:04

○A216.137.44.602026-03-09 → 2026-03-28 · 118 obs

○A216.137.44.832026-03-09 → 2026-03-28 · 118 obs

○A216.137.44.932026-03-09 → 2026-03-28 · 118 obs

○A3.171.117.1232026-03-14 → 2026-03-22 · 7 obs

○ 2026-03-14 00:52:32
● 2026-03-14 05:57:50
○ 2026-03-14 07:22:10
○ 2026-03-22 07:13:38
● 2026-03-22 15:11:00
○ 2026-03-22 19:16:48
○ 2026-03-29 11:26:04

○A3.171.117.62026-03-14 → 2026-03-22 · 7 obs

○ 2026-03-14 00:52:32
● 2026-03-14 05:57:50
○ 2026-03-14 07:22:10
○ 2026-03-22 07:13:38
● 2026-03-22 15:11:00
○ 2026-03-22 19:16:48
○ 2026-03-29 11:26:04

○A3.171.117.772026-03-14 → 2026-03-22 · 7 obs

○ 2026-03-14 00:52:32
● 2026-03-14 05:57:50
○ 2026-03-14 07:22:10
○ 2026-03-22 07:13:38
● 2026-03-22 15:11:00
○ 2026-03-22 19:16:48
○ 2026-03-29 11:26:04

○A3.171.117.992026-03-14 → 2026-03-22 · 7 obs

○ 2026-03-14 00:52:32
● 2026-03-14 05:57:50
○ 2026-03-14 07:22:10
○ 2026-03-22 07:13:38
● 2026-03-22 15:11:00
○ 2026-03-22 19:16:48
○ 2026-03-29 11:26:04

○A99.84.215.1032026-03-08 → 2026-03-28 · 35 obs

● 2026-03-08 21:51:58
● 2026-03-09 00:06:38
○ 2026-03-09 08:42:00
○ 2026-03-11 11:38:46
● 2026-03-11 14:23:56
● 2026-03-11 15:29:38
○ 2026-03-11 17:46:58
○ 2026-03-13 09:58:20
● 2026-03-13 21:53:06
○ 2026-03-13 22:50:30
○ 2026-03-14 07:22:10
● 2026-03-14 08:01:08
○ 2026-03-14 08:31:40
○ 2026-03-14 12:24:06
● 2026-03-14 14:03:56
○ 2026-03-14 16:39:32
○ 2026-03-15 07:25:32
● 2026-03-15 08:55:12
○ 2026-03-15 11:01:44
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● 2026-03-15 17:06:40
○ 2026-03-15 19:44:02
○ 2026-03-16 01:09:50
● 2026-03-16 03:11:38
○ 2026-03-16 08:23:22
○ 2026-03-19 15:55:50
● 2026-03-19 19:37:42
○ 2026-03-20 00:28:20
○ 2026-03-20 17:39:30
● 2026-03-20 20:54:10
○ 2026-03-21 03:06:16
○ 2026-03-28 02:42:26
● 2026-03-28 06:21:52
○ 2026-03-28 12:20:16
○ 2026-03-29 11:26:04

○A99.84.215.1272026-03-08 → 2026-03-28 · 35 obs

○A99.84.215.182026-03-08 → 2026-03-28 · 35 obs

○A99.84.215.22026-03-08 → 2026-03-28 · 35 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	c.gtld-servers.net, a.gtld-servers.net, j.gtld-servers.net, k.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	1 record

✅ Authoritative Response

Server:205.251.198.235

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: 535ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`18.155.21.60, 18.155.21.95...`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-404.awsdns-50.com)

Analysis

IP Addresses

cdsdis.learning.com points to four IP numbers: 18.155.21.53, 18.155.21.60, 18.155.21.95 and 18.155.21.103.

Other host names, for instance d2apr16llsk04g.cloudfront.net, cdn.rehaplan.jp, www.myer1.com, veepsops.net and d1v2u6by4izioz.cloudfront.net share IP numbers with cdsdis.learning.com.

cdsdis.learning.com - robtex.com