firstchallenges.org - robtex.com

firstchallenges.org

DNSSEC⚠️ Not signed
A16.15.180.49Amazon16.15.176.0/21 EC2 Prefix
A16.15.201.88Amazon16.15.200.0/21 EC2 Prefix
A16.15.223.38Amazon16.15.216.0/21 EC2 Prefix
A16.182.65.21Amazon16.182.65.0/24
A16.182.109.5Amazon16.182.109.0/24
A52.217.111.35Amazon52.217.108.0/22
A52.217.140.149Amazon52.217.128.0/19 AWS S3
A52.217.228.205Amazon52.217.224.0/19 AWS S3
NSns-792.awsdns-35.net ⭐
A2600:9000:5303:1800::1Amazon2600:9000:5303::/48 - CloudFront
A205.251.195.24Amazon205.251.195.0/24 prefix
NSns-1218.awsdns-24.org
A2600:9000:5304:c200::1Amazon2600:9000:5304::/48 - CloudFront
A205.251.196.194Amazon205.251.196.0/24 prefix
NSns-129.awsdns-16.com
A2600:9000:5300:8100::1🇺🇸 Amazon2600:9000:5300::/48 - CloudFront
A205.251.192.129🇺🇸 Amazon205.251.192.0/24 prefix
NSns-1584.awsdns-06.co.uk
A2600:9000:5306:3000::1Amazon2600:9000:5306::/48 - CloudFront
A205.251.198.48Amazon205.251.198.0/24 prefix
SOAns-792.awsdns-35.netawsdns-hostmaster@amazon.com serial=1

org

DNSSEC🔒 Signed (DS record present)
NSa0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation
NSa2.org.afilias-nst.info ⚠️ Not in parent delegation
NSb0.org.afilias-nst.org
NSb2.org.afilias-nst.org
NSc0.org.afilias-nst.info ⚠️ Not in parent delegation
NSd0.org.afilias-nst.org
SOAa0.org.afilias-nst.infohostmaster@donuts.email serial=1771291736

Same first word

firstchallenges.org

DNS History

19 records (12 active, 7 former)

NSns-1218.awsdns-24.orgns-129.awsdns-16.comns-1584.awsdns-06.co.ukns-792.awsdns-35.netA16.15.180.4916.15.201.8816.15.223.3816.182.109.516.182.65.2152.217.111.3552.217.140.14952.217.228.20516.15.178.14316.15.187.3216.15.199.4316.15.218.17152.216.211.4552.216.54.15752.217.77.251
●NSns-1218.awsdns-24.org2026-03-04 → 2026-03-05 · 2 obs
● 2026-03-04 21:04:08
● 2026-03-05 03:18:10
●NSns-129.awsdns-16.com2026-03-04 → 2026-03-05 · 2 obs
● 2026-03-04 21:04:08
● 2026-03-05 03:18:10
●NSns-1584.awsdns-06.co.uk2026-03-04 → 2026-03-05 · 2 obs
● 2026-03-04 21:04:08
● 2026-03-05 03:18:10
●NSns-792.awsdns-35.net2026-03-04 → 2026-03-05 · 2 obs
● 2026-03-04 21:04:08
● 2026-03-05 03:18:10
○A16.15.178.1432026-03-04 → 2026-03-04 · 3 obs
● 2026-03-04 21:04:08
○ 2026-03-05 03:18:06
○ 2026-03-05 03:18:10
●A16.15.180.492026-03-05 → 2026-03-05 · 3 obs
○ 2026-03-04 21:04:08
● 2026-03-05 03:18:06
● 2026-03-05 03:18:10
○A16.15.187.322026-03-04 → 2026-03-04 · 3 obs
● 2026-03-04 21:04:08
○ 2026-03-05 03:18:06
○ 2026-03-05 03:18:10
○A16.15.199.432026-03-04 → 2026-03-04 · 3 obs
● 2026-03-04 21:04:08
○ 2026-03-05 03:18:06
○ 2026-03-05 03:18:10
●A16.15.201.882026-03-05 → 2026-03-05 · 3 obs
○ 2026-03-04 21:04:08
● 2026-03-05 03:18:06
● 2026-03-05 03:18:10
○A16.15.218.1712026-03-04 → 2026-03-04 · 3 obs
● 2026-03-04 21:04:08
○ 2026-03-05 03:18:06
○ 2026-03-05 03:18:10
●A16.15.223.382026-03-05 → 2026-03-05 · 3 obs
○ 2026-03-04 21:04:08
● 2026-03-05 03:18:06
● 2026-03-05 03:18:10
●A16.182.109.52026-03-05 → 2026-03-05 · 3 obs
○ 2026-03-04 21:04:08
● 2026-03-05 03:18:06
● 2026-03-05 03:18:10
●A16.182.65.212026-03-05 → 2026-03-05 · 3 obs
○ 2026-03-04 21:04:08
● 2026-03-05 03:18:06
● 2026-03-05 03:18:10
○A52.216.211.452026-03-04 → 2026-03-04 · 3 obs
● 2026-03-04 21:04:08
○ 2026-03-05 03:18:06
○ 2026-03-05 03:18:10
○A52.216.54.1572026-03-04 → 2026-03-04 · 3 obs
● 2026-03-04 21:04:08
○ 2026-03-05 03:18:06
○ 2026-03-05 03:18:10
●A52.217.111.352026-03-05 → 2026-03-05 · 3 obs
○ 2026-03-04 21:04:08
● 2026-03-05 03:18:06
● 2026-03-05 03:18:10
●A52.217.140.1492026-03-05 → 2026-03-05 · 3 obs
○ 2026-03-04 21:04:08
● 2026-03-05 03:18:06
● 2026-03-05 03:18:10
●A52.217.228.2052026-03-05 → 2026-03-05 · 3 obs
○ 2026-03-04 21:04:08
● 2026-03-05 03:18:06
● 2026-03-05 03:18:10
○A52.217.77.2512026-03-04 → 2026-03-04 · 3 obs
● 2026-03-04 21:04:08
○ 2026-03-05 03:18:06
○ 2026-03-05 03:18:10

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org-
firstchallenges.orgns-129.awsdns-16.com, ns-1218.awsdns-24.org, ns-792.awsdns-35.net, ns-1584.awsdns-06.co.uk1 record

✅ Authoritative Response

Server: 205.251.192.129

NS records: ns-129.awsdns-16.com, ns-1218.awsdns-24.org, ns-792.awsdns-35.net, ns-1584.awsdns-06.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for firstchallenges.org (unsigned zone)

⏱️ Timing

Total: 789ms | Queries: -

📄 Records

TypeCountSample Data
A816.15.191.126, 52.216.41.29...
NS4ns-1218.awsdns-24.org, ns-129.awsdns-16.com...
SOA1ns-792.awsdns-35.net awsdns-hostmaster.a

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-1218.awsdns-24.org)

Analysis

IP Addresses

firstchallenges.org points to eight IP numbers: 16.15.180.49, 16.15.201.88, 16.15.223.38, 16.182.65.21, 16.182.109.5, 52.217.111.35, 52.217.140.149 and 52.217.228.205.

Name Servers

firstchallenges.org's delegation is handled by four name servers: ns-129.awsdns-16.com, ns-792.awsdns-35.net, ns-1218.awsdns-24.org and ns-1584.awsdns-06.co.uk.

firstchallenges.org partially shares name servers with other domains; examples include driver2020.com, i2eondemand.net, g8v1en.com, jumba.net.au and nationalcabinetlock.biz.

These name servers are commonly used with the name servers ns-1889.awsdns-44.co.uk, ns-198.awsdns-24.com, ns-397.awsdns-49.com, ns-788.awsdns-34.net and ns-172.awsdns-21.com.

Host names with two IPs:

ns-129.awsdns-16.com points to 2600:9000:5300:8100::1 and 205.251.192.129

ns-792.awsdns-35.net points to 2600:9000:5303:1800::1 and 205.251.195.24

ns-1218.awsdns-24.org points to 2600:9000:5304:c200::1 and 205.251.196.194

ns-1584.awsdns-06.co.uk points to 2600:9000:5306:3000::1 and 205.251.198.48