simulearn.skillbuilder.aws - robtex.com

simulearn.skillbuilder.aws

DNSSEC⚠️ Not signed
A18.165.98.6🇺🇸 Amazon18.165.96.0/21
PTRserver-18-165-98-6.iad55.r.cloudfront.net
A18.165.98.12🇺🇸 Amazon18.165.96.0/21
A18.165.98.60🇺🇸 Amazon18.165.96.0/21
A18.165.98.87🇺🇸 Amazon18.165.96.0/21
NSns-939.awsdns-53.net ⭐
A2600:9000:5303:ab00::1🇺🇸 Amazon2600:9000:5303::/48 - CloudFront
PTRns-939.awsdns-53.net
A205.251.195.171🇺🇸 Amazon205.251.195.0/24 prefix
PTRns-939.awsdns-53.net
NSns-1251.awsdns-28.org
A2600:9000:5304:e300::1🇺🇸 Amazon2600:9000:5304::/48 - CloudFront
PTRns-1251.awsdns-28.org
A205.251.196.227🇺🇸 Amazon205.251.196.0/24 prefix
PTRns-1251.awsdns-28.org
NSns-2030.awsdns-61.co.uk
A2600:9000:5307:ee00::1🇺🇸 Amazon2600:9000:5307::/48 - CloudFront
PTRns-2030.awsdns-61.co.uk
A205.251.199.238🇺🇸 Amazon205.251.199.0/24 prefix
PTRns-2030.awsdns-61.co.uk
NSns-393.awsdns-49.com
A2600:9000:5301:8900::1🇺🇸 Amazon2600:9000:5301::/48 - CloudFront
PTRns-393.awsdns-49.com
A205.251.193.137🇺🇸 Amazon205.251.193.0/24 prefix
PTRns-393.awsdns-49.com
SOAns-939.awsdns-53.netawsdns-hostmaster@amazon.com serial=1

skillbuilder.aws

DNSSEC⚠️ Not signed
A3.167.56.35🇺🇸 Amazon3.167.56.0/23
A3.167.56.75🇺🇸 Amazon3.167.56.0/23
A3.167.56.110🇺🇸 Amazon3.167.56.0/23
A3.167.56.113🇺🇸 Amazon3.167.56.0/23
NSns-344.awsdns-43.com ⭐
NSns-1440.awsdns-52.org
NSns-1972.awsdns-54.co.uk
NSns-741.awsdns-28.net
TXTgoogle-site-verification=T4tTOBL9zBsNoDX4uEoI3r81p2w6MPRDDpApRDhow-E
TXTv=spf1 -all
SOAns-344.awsdns-43.comawsdns-hostmaster@amazon.com serial=1
rank #59244 globally
rank #3 in the tld
📈 Tranco rank: #33,318

Same first word

simulearn.net
simulearn.it
simulearn.ai
simulearn.ir

Similar names

numeralis.ru
numeralis.net
simlauren.com
realumnis.com
usemarlin.com
unsermail.ch
uralmines.ru
unrealsim.com
numeralis.fr
unrealism.org
merlinusa.com
msaulnier.com
laurensim.com
rauminsel.de
unrealism.com
alimensur.com
lumenaris.com
lemurians.ru
usmineral.com
aluminser.com
elsanurmi.com
numeralis.com
ramnelius.se
numeralis.nl
luminares.com.br
luminares.com.mx
lemurians.com
neuralsim.com
luminaser.com

DNS History

20 records (8 active, 12 former)

NSns-1251.awsdns-28.orgns-2030.awsdns-61.co.ukns-393.awsdns-49.comns-939.awsdns-53.netA18.165.98.1218.165.98.618.165.98.6018.165.98.8713.32.16.12613.32.16.12813.32.16.8713.32.16.9818.173.166.1018.173.166.4918.173.166.8818.173.166.999.86.12.10999.86.12.3599.86.12.4099.86.12.61
●NSns-1251.awsdns-28.org2026-06-14 → 2026-06-16 · 2 obs
● 2026-06-14 23:12:34
● 2026-06-16 23:21:20
●NSns-2030.awsdns-61.co.uk2026-06-14 → 2026-06-16 · 2 obs
● 2026-06-14 23:12:34
● 2026-06-16 23:21:20
●NSns-393.awsdns-49.com2026-06-14 → 2026-06-16 · 2 obs
● 2026-06-14 23:12:34
● 2026-06-16 23:21:20
●NSns-939.awsdns-53.net2026-06-14 → 2026-06-16 · 2 obs
● 2026-06-14 23:12:34
● 2026-06-16 23:21:20
○A13.32.16.1262026-06-15 → 2026-06-16 · 7 obs
○ 2026-06-14 23:12:34
● 2026-06-15 16:00:06
○ 2026-06-15 16:48:10
○ 2026-06-16 11:16:46
● 2026-06-16 11:49:04
○ 2026-06-16 12:31:58
○ 2026-06-16 23:21:20
○A13.32.16.1282026-06-15 → 2026-06-16 · 7 obs
○ 2026-06-14 23:12:34
● 2026-06-15 16:00:06
○ 2026-06-15 16:48:10
○ 2026-06-16 11:16:46
● 2026-06-16 11:49:04
○ 2026-06-16 12:31:58
○ 2026-06-16 23:21:20
○A13.32.16.872026-06-15 → 2026-06-16 · 7 obs
○ 2026-06-14 23:12:34
● 2026-06-15 16:00:06
○ 2026-06-15 16:48:10
○ 2026-06-16 11:16:46
● 2026-06-16 11:49:04
○ 2026-06-16 12:31:58
○ 2026-06-16 23:21:20
○A13.32.16.982026-06-15 → 2026-06-16 · 7 obs
○ 2026-06-14 23:12:34
● 2026-06-15 16:00:06
○ 2026-06-15 16:48:10
○ 2026-06-16 11:16:46
● 2026-06-16 11:49:04
○ 2026-06-16 12:31:58
○ 2026-06-16 23:21:20
●A18.165.98.122026-06-15 → 2026-06-16 · 12 obs
○ 2026-06-15 16:00:06
● 2026-06-15 16:48:10
● 2026-06-15 17:23:12
○ 2026-06-16 00:33:20
○ 2026-06-16 02:30:38
● 2026-06-16 11:16:46
○ 2026-06-16 11:49:04
● 2026-06-16 12:31:58
○ 2026-06-16 14:23:34
○ 2026-06-16 20:18:48
● 2026-06-16 21:24:12
● 2026-06-16 23:21:20
●A18.165.98.62026-06-15 → 2026-06-16 · 12 obs
○ 2026-06-15 16:00:06
● 2026-06-15 16:48:10
● 2026-06-15 17:23:12
○ 2026-06-16 00:33:20
○ 2026-06-16 02:30:38
● 2026-06-16 11:16:46
○ 2026-06-16 11:49:04
● 2026-06-16 12:31:58
○ 2026-06-16 14:23:34
○ 2026-06-16 20:18:48
● 2026-06-16 21:24:12
● 2026-06-16 23:21:20
●A18.165.98.602026-06-15 → 2026-06-16 · 12 obs
○ 2026-06-15 16:00:06
● 2026-06-15 16:48:10
● 2026-06-15 17:23:12
○ 2026-06-16 00:33:20
○ 2026-06-16 02:30:38
● 2026-06-16 11:16:46
○ 2026-06-16 11:49:04
● 2026-06-16 12:31:58
○ 2026-06-16 14:23:34
○ 2026-06-16 20:18:48
● 2026-06-16 21:24:12
● 2026-06-16 23:21:20
●A18.165.98.872026-06-15 → 2026-06-16 · 12 obs
○ 2026-06-15 16:00:06
● 2026-06-15 16:48:10
● 2026-06-15 17:23:12
○ 2026-06-16 00:33:20
○ 2026-06-16 02:30:38
● 2026-06-16 11:16:46
○ 2026-06-16 11:49:04
● 2026-06-16 12:31:58
○ 2026-06-16 14:23:34
○ 2026-06-16 20:18:48
● 2026-06-16 21:24:12
● 2026-06-16 23:21:20
○A18.173.166.102026-06-16 → 2026-06-16 · 5 obs
○ 2026-06-16 12:31:58
● 2026-06-16 14:23:34
● 2026-06-16 17:35:58
○ 2026-06-16 18:49:54
○ 2026-06-16 23:21:20
○A18.173.166.492026-06-16 → 2026-06-16 · 5 obs
○ 2026-06-16 12:31:58
● 2026-06-16 14:23:34
● 2026-06-16 17:35:58
○ 2026-06-16 18:49:54
○ 2026-06-16 23:21:20
○A18.173.166.882026-06-16 → 2026-06-16 · 5 obs
○ 2026-06-16 12:31:58
● 2026-06-16 14:23:34
● 2026-06-16 17:35:58
○ 2026-06-16 18:49:54
○ 2026-06-16 23:21:20
○A18.173.166.92026-06-16 → 2026-06-16 · 5 obs
○ 2026-06-16 12:31:58
● 2026-06-16 14:23:34
● 2026-06-16 17:35:58
○ 2026-06-16 18:49:54
○ 2026-06-16 23:21:20
○A99.86.12.1092026-06-14 → 2026-06-16 · 11 obs
● 2026-06-14 23:12:34
○ 2026-06-15 16:00:06
○ 2026-06-15 17:23:12
● 2026-06-16 00:33:20
● 2026-06-16 02:30:38
○ 2026-06-16 11:16:46
○ 2026-06-16 17:35:58
● 2026-06-16 18:49:54
● 2026-06-16 20:18:48
○ 2026-06-16 21:24:12
○ 2026-06-16 23:21:20
○A99.86.12.352026-06-14 → 2026-06-16 · 11 obs
● 2026-06-14 23:12:34
○ 2026-06-15 16:00:06
○ 2026-06-15 17:23:12
● 2026-06-16 00:33:20
● 2026-06-16 02:30:38
○ 2026-06-16 11:16:46
○ 2026-06-16 17:35:58
● 2026-06-16 18:49:54
● 2026-06-16 20:18:48
○ 2026-06-16 21:24:12
○ 2026-06-16 23:21:20
○A99.86.12.402026-06-14 → 2026-06-16 · 11 obs
● 2026-06-14 23:12:34
○ 2026-06-15 16:00:06
○ 2026-06-15 17:23:12
● 2026-06-16 00:33:20
● 2026-06-16 02:30:38
○ 2026-06-16 11:16:46
○ 2026-06-16 17:35:58
● 2026-06-16 18:49:54
● 2026-06-16 20:18:48
○ 2026-06-16 21:24:12
○ 2026-06-16 23:21:20
○A99.86.12.612026-06-14 → 2026-06-16 · 11 obs
● 2026-06-14 23:12:34
○ 2026-06-15 16:00:06
○ 2026-06-15 17:23:12
● 2026-06-16 00:33:20
● 2026-06-16 02:30:38
○ 2026-06-16 11:16:46
○ 2026-06-16 17:35:58
● 2026-06-16 18:49:54
● 2026-06-16 20:18:48
○ 2026-06-16 21:24:12
○ 2026-06-16 23:21:20

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
awsdns1.nic.aws, dns2.nic.aws, dns3.nic.aws, dns4.nic.aws...16 records
skillbuilder.awsns-344.awsdns-43.com, ns-741.awsdns-28.net, ns-1440.awsdns-52.org, ns-1972.awsdns-54.co.uk-
simulearn.skillbuilder.awsns-1251.awsdns-28.org, ns-2030.awsdns-61.co.uk, ns-393.awsdns-49.com, ns-939.awsdns-53.net-

✅ Authoritative Response

Server:205.251.196.227

NS records: ns-1251.awsdns-28.org, ns-2030.awsdns-61.co.uk, ns-393.awsdns-49.com, ns-939.awsdns-53.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for skillbuilder.aws (unsigned zone)

⏱️ Timing

Total: 1964ms | Queries: -

📄 Records

TypeCountSample Data
A418.165.98.87, 18.165.98.6...
NS4ns-1251.awsdns-28.org, ns-2030.awsdns-61.co.uk...
SOA1ns-939.awsdns-53.net awsdns-hostmaster.a

📌 Glue Records Collected

Total: 16

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

Analysis

IP Addresses

simulearn.skillbuilder.aws has four IP addresses: 18.165.98.6, 18.165.98.12, 18.165.98.60 and 18.165.98.87.

d2z466w76y8zm0.cloudfront.net, d2ci6f72hj90v6.cloudfront.net, secure.dentr.co.uk and two other host names share IP numbers with simulearn.skillbuilder.aws.

Name Servers

The authoritative name servers for simulearn.skillbuilder.aws are ns-393.awsdns-49.com, ns-939.awsdns-53.net, ns-1251.awsdns-28.org and ns-2030.awsdns-61.co.uk.

simulearn.skillbuilder.aws partially shares its NS delegation with several other domains, including dd466wv277le0.cloudfront.net, d3ark3w4oflfom.cloudfront.net, englishtown.es and two others.

ns-393.awsdns-49.com, ns-939.awsdns-53.net, ns-1251.awsdns-28.org and ns-2030.awsdns-61.co.uk each carry two IP addresses. ns-393.awsdns-49.com has 205.251.193.137 and 2600:9000:5301:8900::1; ns-939.awsdns-53.net has 205.251.195.171 and 2600:9000:5303:ab00::1; ns-1251.awsdns-28.org has 205.251.196.227 and 2600:9000:5304:e300::1; ns-2030.awsdns-61.co.uk has 205.251.199.238 and 2600:9000:5307:ee00::1.