myclass.skillbuilder.aws - dns.ninja

`myclass.skillbuilder.aws`

DNSSEC	⚠️ Not signed
A	13.226.238.28^{🇺🇸 Amazon13.226.232.0/21 - Cloudfront}
		PTR	`server-13-226-238-28.iad61.r.cloudfront.net`
A	13.226.238.78^{🇺🇸 Amazon13.226.232.0/21 - Cloudfront}
A	13.226.238.94^{🇺🇸 Amazon13.226.232.0/21 - Cloudfront}
A	13.226.238.99^{🇺🇸 Amazon13.226.232.0/21 - Cloudfront}
NS	`ns-774.awsdns-32.net` ⭐
		A	2600:9000:5303:600::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-774.awsdns-32.net`
		A	205.251.195.6^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-774.awsdns-32.net`
NS	`ns-1063.awsdns-04.org`
		A	2600:9000:5304:2700::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1063.awsdns-04.org`
		A	205.251.196.39^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1063.awsdns-04.org`
NS	`ns-1559.awsdns-02.co.uk`
		A	2600:9000:5306:1700::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1559.awsdns-02.co.uk`
		A	205.251.198.23^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1559.awsdns-02.co.uk`
NS	`ns-277.awsdns-34.com`
		A	2600:9000:5301:1500::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-277.awsdns-34.com`
		A	205.251.193.21^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-277.awsdns-34.com`
SOA	`ns-774.awsdns-32.net`awsdns-hostmaster@amazon.com serial=1

`skillbuilder.aws`

	DNSSEC	⚠️ Not signed
	A	3.167.56.35^{🇺🇸 Amazon3.167.56.0/23}
	A	3.167.56.75^{🇺🇸 Amazon3.167.56.0/23}
	A	3.167.56.110^{🇺🇸 Amazon3.167.56.0/23}
	A	3.167.56.113^{🇺🇸 Amazon3.167.56.0/23}
	NS	`ns-344.awsdns-43.com` ⭐
	NS	`ns-1440.awsdns-52.org`
	NS	`ns-1972.awsdns-54.co.uk`
	NS	`ns-741.awsdns-28.net`
	TXT	`google-site-verification=T4tTOBL9zBsNoDX4uEoI3r81p2w6MPRDDpApRDhow-E`
	TXT	`v=spf1 -all`
	SOA	`ns-344.awsdns-43.com`awsdns-hostmaster@amazon.com serial=1

rank #58102 globally
rank #3 in the tld

skillbuilder.aws

skillbuilder.aws is the official domain for AWS Skill Builder, Amazon Web Services' online learning platform.

Key facts

Owner / operator: Amazon Web Services (AWS) / Amazon.com, Inc.
TLD: .aws— gTLD
Primary purpose: online learning and training platform for AWS cloud services
Status: active

📈 Tranco rank: #32,391

Same first word

myclass.nl

myclass.co

myclass.com

myclass.team

myclass.eu

myclass.com.au

myclass.in

myclass.es

myclass.co.in

myclass.co.kr

myclass.ch

myclass.is

myclass.com.ar

myclass.vn

myclass.store

myclass.com.ua

myclass.jp

myclass.ir

myclass.cl

myclass.biz

myclass.de

myclass.net

myclass.id

myclass.education

myclass.it

myclass.co.uk

myclass.pl

myclass.fr

myclass.edu.vn

myclass.org

myclass.cc

myclass.ru

myclass.us

myclass.my.id

Similar names

syscalm.com

msclays.org

calmsys.com

slycams.com

classmy.com

DNS History

48 records (8 active, 40 former)

●NSns-1063.awsdns-04.org2026-06-12 → 2026-08-03 · 2 obs

● 2026-06-12 05:46:38
● 2026-08-03 03:52:18

●NSns-1559.awsdns-02.co.uk2026-06-12 → 2026-08-03 · 2 obs

● 2026-06-12 05:46:38
● 2026-08-03 03:52:18

●NSns-277.awsdns-34.com2026-06-12 → 2026-08-03 · 2 obs

● 2026-06-12 05:46:38
● 2026-08-03 03:52:18

●NSns-774.awsdns-32.net2026-06-12 → 2026-08-03 · 2 obs

● 2026-06-12 05:46:38
● 2026-08-03 03:52:18

●A13.226.238.282026-06-14 → 2026-08-03 · 23 obs

○ 2026-06-12 05:46:38
● 2026-06-14 09:20:32
○ 2026-06-14 13:41:14
● 2026-06-23 02:17:08
○ 2026-06-23 03:57:10
● 2026-06-26 04:41:10
○ 2026-06-26 05:29:26
● 2026-06-30 11:30:38
○ 2026-06-30 17:44:50
● 2026-07-01 15:20:20
○ 2026-07-01 16:28:12
● 2026-07-03 14:48:52
○ 2026-07-03 16:36:02
● 2026-07-04 07:17:12
○ 2026-07-04 11:59:04
● 2026-07-07 17:20:12
○ 2026-07-07 21:03:42
● 2026-07-09 11:38:30
○ 2026-07-09 13:10:12
● 2026-07-10 13:10:18
○ 2026-07-10 13:40:28
● 2026-08-03 03:52:16
● 2026-08-03 03:52:18

●A13.226.238.782026-06-14 → 2026-08-03 · 23 obs

●A13.226.238.942026-06-14 → 2026-08-03 · 23 obs

●A13.226.238.992026-06-14 → 2026-08-03 · 23 obs

○A13.249.141.1022026-07-02 → 2026-07-02 · 4 obs

○ 2026-07-02 02:49:10
● 2026-07-02 09:46:20
○ 2026-07-02 10:55:54
○ 2026-08-03 03:52:18

○A13.249.141.142026-07-02 → 2026-07-02 · 4 obs

○ 2026-07-02 02:49:10
● 2026-07-02 09:46:20
○ 2026-07-02 10:55:54
○ 2026-08-03 03:52:18

○A13.249.141.412026-07-02 → 2026-07-02 · 4 obs

○ 2026-07-02 02:49:10
● 2026-07-02 09:46:20
○ 2026-07-02 10:55:54
○ 2026-08-03 03:52:18

○A13.249.141.662026-07-02 → 2026-07-02 · 4 obs

○ 2026-07-02 02:49:10
● 2026-07-02 09:46:20
○ 2026-07-02 10:55:54
○ 2026-08-03 03:52:18

○A13.33.131.202026-07-01 → 2026-07-26 · 10 obs

○ 2026-07-01 16:28:12
● 2026-07-01 23:11:12
○ 2026-07-02 02:49:10
● 2026-07-03 03:37:46
○ 2026-07-03 14:48:52
● 2026-07-24 16:02:56
○ 2026-07-25 17:13:16
● 2026-07-26 08:04:58
○ 2026-07-27 16:32:10
○ 2026-08-03 03:52:18

○A13.33.131.252026-07-01 → 2026-07-26 · 10 obs

○A13.33.131.42026-07-01 → 2026-07-26 · 10 obs

○A13.33.131.402026-07-01 → 2026-07-26 · 10 obs

○A143.204.29.272026-06-18 → 2026-07-30 · 23 obs

○ 2026-06-17 18:53:46
● 2026-06-18 07:53:34
● 2026-06-18 09:45:18
○ 2026-06-18 13:02:38
● 2026-06-19 01:45:58
○ 2026-06-19 20:39:36
● 2026-06-23 12:17:00
○ 2026-06-23 13:15:50
● 2026-06-26 12:53:28
○ 2026-06-27 04:59:56
● 2026-06-29 12:35:00
○ 2026-06-30 02:46:02
● 2026-07-28 08:28:20
○ 2026-07-28 21:24:20
● 2026-07-29 00:45:36
○ 2026-07-29 16:20:28
● 2026-07-29 18:50:24
○ 2026-07-30 01:35:34
● 2026-07-30 07:33:30
○ 2026-07-30 15:32:30
● 2026-07-30 16:42:34
○ 2026-07-30 17:53:56
○ 2026-08-03 03:52:18

○A143.204.29.602026-06-18 → 2026-07-30 · 23 obs

○A143.204.29.932026-06-18 → 2026-07-30 · 23 obs

○A143.204.29.972026-06-18 → 2026-07-30 · 23 obs

○A18.155.21.1062026-06-14 → 2026-08-02 · 49 obs

○ 2026-06-14 13:41:14
● 2026-06-14 21:44:30
● 2026-06-15 09:07:54
○ 2026-06-15 14:23:00
● 2026-07-01 14:40:38
○ 2026-07-01 15:20:20
● 2026-07-01 16:28:12
○ 2026-07-01 23:11:12
● 2026-07-02 02:49:10
○ 2026-07-02 09:46:20
● 2026-07-02 10:55:54
○ 2026-07-03 03:37:46
● 2026-07-03 16:36:02
○ 2026-07-04 07:17:12
● 2026-07-04 11:59:04
○ 2026-07-05 10:06:18
● 2026-07-07 10:41:46
○ 2026-07-07 17:20:12
● 2026-07-07 21:03:42
○ 2026-07-09 02:50:42
● 2026-07-09 05:55:26
○ 2026-07-09 08:12:38
● 2026-07-09 10:30:22
○ 2026-07-09 11:38:30
● 2026-07-09 13:10:12
○ 2026-07-10 13:10:18
● 2026-07-10 13:40:28
○ 2026-07-12 22:30:48
● 2026-07-13 04:29:50
○ 2026-07-13 16:14:34
● 2026-07-13 19:22:26
○ 2026-07-14 00:49:38
● 2026-07-14 02:34:32
○ 2026-07-14 10:30:00
● 2026-07-14 16:49:28
○ 2026-07-15 09:09:26
● 2026-07-15 12:39:54
○ 2026-07-16 08:10:10
● 2026-07-16 08:43:44
○ 2026-07-19 15:05:38
● 2026-07-19 16:47:14
○ 2026-07-21 13:45:04
● 2026-07-21 20:31:16
○ 2026-07-22 18:21:30
● 2026-07-23 01:10:06
○ 2026-07-23 14:39:00
● 2026-08-02 08:36:42
○ 2026-08-02 21:45:20
○ 2026-08-03 03:52:18

○A18.155.21.202026-06-14 → 2026-08-02 · 49 obs

○A18.155.21.812026-06-14 → 2026-08-02 · 49 obs

○A18.155.21.882026-06-14 → 2026-08-02 · 49 obs

○A18.165.140.1082026-07-12 → 2026-07-19 · 10 obs

○ 2026-07-10 13:40:28
● 2026-07-12 22:30:48
○ 2026-07-13 04:29:50
● 2026-07-14 00:49:38
○ 2026-07-14 02:34:32
● 2026-07-14 10:30:00
○ 2026-07-14 12:10:18
● 2026-07-19 15:05:38
○ 2026-07-19 16:47:14
○ 2026-08-03 03:52:18

○A18.165.140.502026-07-12 → 2026-07-19 · 10 obs

○A18.165.140.702026-07-12 → 2026-07-19 · 10 obs

○A18.165.140.972026-07-12 → 2026-07-19 · 10 obs

○A3.163.125.1242026-07-05 → 2026-08-02 · 18 obs

○ 2026-07-04 11:59:04
● 2026-07-05 10:06:18
○ 2026-07-07 10:41:46
● 2026-07-09 02:50:42
○ 2026-07-09 05:55:26
● 2026-07-09 08:12:38
○ 2026-07-09 10:30:22
● 2026-07-21 13:45:04
○ 2026-07-21 20:31:16
● 2026-07-22 20:04:08
○ 2026-07-23 01:10:06
● 2026-07-23 14:39:00
○ 2026-07-24 16:02:56
● 2026-07-30 19:03:54
○ 2026-08-02 01:08:40
● 2026-08-02 21:45:20
○ 2026-08-03 03:52:16
○ 2026-08-03 03:52:18

○A3.163.125.392026-07-05 → 2026-08-02 · 18 obs

○A3.163.125.782026-07-05 → 2026-08-02 · 18 obs

○A3.163.125.792026-07-05 → 2026-08-02 · 18 obs

○A3.166.192.1142026-07-13 → 2026-08-02 · 26 obs

○ 2026-07-13 04:29:50
● 2026-07-13 16:14:34
○ 2026-07-13 19:22:26
● 2026-07-14 12:10:18
○ 2026-07-14 16:49:28
● 2026-07-15 09:09:26
○ 2026-07-15 12:39:54
● 2026-07-16 08:10:10
○ 2026-07-16 08:43:44
● 2026-07-22 18:21:30
○ 2026-07-22 20:04:08
● 2026-07-25 17:13:16
○ 2026-07-26 08:04:58
● 2026-07-28 22:45:20
○ 2026-07-29 00:45:36
● 2026-07-29 16:20:28
○ 2026-07-29 18:50:24
● 2026-07-30 01:35:34
○ 2026-07-30 07:33:30
● 2026-07-30 15:32:30
○ 2026-07-30 16:42:34
● 2026-07-30 17:53:56
○ 2026-07-30 19:03:54
● 2026-08-02 01:08:40
○ 2026-08-02 08:36:42
○ 2026-08-03 03:52:18

○A3.166.192.342026-07-13 → 2026-08-02 · 26 obs

○A3.166.192.752026-07-13 → 2026-08-02 · 26 obs

○A3.166.192.922026-07-13 → 2026-08-02 · 26 obs

○A3.174.141.122026-06-12 → 2026-06-30 · 27 obs

● 2026-06-12 05:46:38
○ 2026-06-14 09:20:32
● 2026-06-14 13:41:14
○ 2026-06-14 21:44:30
○ 2026-06-15 09:07:54
● 2026-06-15 14:23:00
○ 2026-06-17 07:15:36
● 2026-06-17 18:53:46
○ 2026-06-18 07:53:34
○ 2026-06-18 09:45:18
● 2026-06-18 13:02:38
○ 2026-06-19 01:45:58
● 2026-06-19 20:39:36
○ 2026-06-23 02:17:08
● 2026-06-23 03:57:10
○ 2026-06-23 12:17:00
● 2026-06-23 13:15:50
○ 2026-06-26 04:41:10
● 2026-06-26 05:29:26
○ 2026-06-26 12:53:28
● 2026-06-27 04:59:56
○ 2026-06-29 12:35:00
● 2026-06-30 02:46:02
○ 2026-06-30 11:30:38
● 2026-06-30 17:44:50
○ 2026-07-01 14:40:38
○ 2026-08-03 03:52:18

○A3.174.141.342026-06-12 → 2026-06-30 · 27 obs

○A3.174.141.702026-06-12 → 2026-06-30 · 27 obs

○A3.174.141.802026-06-12 → 2026-06-30 · 27 obs

○A54.240.184.1072026-06-17 → 2026-07-27 · 6 obs

○ 2026-06-15 14:23:00
● 2026-06-17 07:15:36
○ 2026-06-17 18:53:46
● 2026-07-27 16:32:10
○ 2026-07-28 08:28:20
○ 2026-08-03 03:52:18

○A54.240.184.1292026-06-17 → 2026-07-27 · 6 obs

○ 2026-06-15 14:23:00
● 2026-06-17 07:15:36
○ 2026-06-17 18:53:46
● 2026-07-27 16:32:10
○ 2026-07-28 08:28:20
○ 2026-08-03 03:52:18

○A54.240.184.162026-06-17 → 2026-07-27 · 6 obs

○ 2026-06-15 14:23:00
● 2026-06-17 07:15:36
○ 2026-06-17 18:53:46
● 2026-07-27 16:32:10
○ 2026-07-28 08:28:20
○ 2026-08-03 03:52:18

○A54.240.184.832026-06-17 → 2026-07-27 · 6 obs

○ 2026-06-15 14:23:00
● 2026-06-17 07:15:36
○ 2026-06-17 18:53:46
● 2026-07-27 16:32:10
○ 2026-07-28 08:28:20
○ 2026-08-03 03:52:18

○A99.86.109.1012026-07-28 → 2026-07-28 · 4 obs

○ 2026-07-28 08:28:20
● 2026-07-28 21:24:20
○ 2026-07-28 22:45:20
○ 2026-08-03 03:52:18

○A99.86.109.302026-07-28 → 2026-07-28 · 4 obs

○ 2026-07-28 08:28:20
● 2026-07-28 21:24:20
○ 2026-07-28 22:45:20
○ 2026-08-03 03:52:18

○A99.86.109.402026-07-28 → 2026-07-28 · 4 obs

○ 2026-07-28 08:28:20
● 2026-07-28 21:24:20
○ 2026-07-28 22:45:20
○ 2026-08-03 03:52:18

○A99.86.109.572026-07-28 → 2026-07-28 · 4 obs

○ 2026-07-28 08:28:20
● 2026-07-28 21:24:20
○ 2026-07-28 22:45:20
○ 2026-08-03 03:52:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
aws	dnsa.nic.aws, dns4.nic.aws, dns3.nic.aws, dnsb.nic.aws...	16 records
skillbuilder.aws	ns-344.awsdns-43.com, ns-741.awsdns-28.net, ns-1440.awsdns-52.org, ns-1972.awsdns-54.co.uk	-
myclass.skillbuilder.aws	ns-1063.awsdns-04.org, ns-1559.awsdns-02.co.uk, ns-277.awsdns-34.com, ns-774.awsdns-32.net	-

✅ Authoritative Response

Server:205.251.196.39

NS records: ns-1063.awsdns-04.org, ns-1559.awsdns-02.co.uk, ns-277.awsdns-34.com, ns-774.awsdns-32.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for skillbuilder.aws (unsigned zone)

⏱️ Timing

Total: 2913ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`13.226.238.99, 13.226.238.28...`
NS	4	`ns-1063.awsdns-04.org, ns-1559.awsdns-02.co.uk...`
SOA	1	`ns-774.awsdns-32.net awsdns-hostmaster.a`

📌 Glue Records Collected

Total: 16

In-bailiwick: 16 (dns1.nic.aws, dns2.nic.aws, dns3.nic.aws...)

Analysis

IP Addresses

myclass.skillbuilder.aws has four IP addresses: 13.226.238.28, 13.226.238.78, 13.226.238.94 and 13.226.238.99.

Name Servers

Four name servers handle the delegation for myclass.skillbuilder.aws: ns-277.awsdns-34.com, ns-774.awsdns-32.net, ns-1063.awsdns-04.org and ns-1559.awsdns-02.co.uk.

myclass.skillbuilder.aws has at least partial name server overlap with other domains, such as d1v473wddyh1kp.cloudfront.net, red5g.co, d3sm4dzs8u98nd.cloudfront.net and two others.

ns-673.awsdns-20.net, ns-1246.awsdns-27.org and ns-1641.awsdns-13.co.uk — plus 5 other name servers — are commonly paired with these name servers.

ns-277.awsdns-34.com, ns-774.awsdns-32.net, ns-1063.awsdns-04.org and ns-1559.awsdns-02.co.uk all point to exactly two IP numbers each: ns-277.awsdns-34.com → 205.251.193.21 and 2600:9000:5301:1500::1; ns-774.awsdns-32.net → 205.251.195.6 and 2600:9000:5303:600::1; ns-1063.awsdns-04.org → 205.251.196.39 and 2600:9000:5304:2700::1; ns-1559.awsdns-02.co.uk → 205.251.198.23 and 2600:9000:5306:1700::1.