codingcontest.org - robtex.com

codingcontest.org

DNSSEC⚠️ Not signed
A9.163.154.73🇺🇸 Microsoft9.163.0.0/16
NSns1-04.azure-dns.com ⭐
A2603:1061:0:700::4🇺🇸 Microsoft2603:1000::/25 MICROSOFT
PTRns1-04.azure-dns.com
A13.107.236.4🇺🇸 Microsoft13.104.0.0/14 MICROSOFT
PTRns1-04.azure-dns.com
NSns2-04.azure-dns.net
A2620:1ec:8ec:700::4🇺🇸 Microsoft2620:1ec::/36 MICROSOFT
PTRns2-04.azure-dns.net
A150.171.21.4🇺🇸 Microsoft150.171.0.0/16 MICROSOFT
PTRns2-04.azure-dns.net
NSns3-04.azure-dns.org
A2a01:111:4000:700::4🇬🇧 Microsoft2a01:111:4000::/36
PTRns3-04.azure-dns.org
A204.14.183.4🇺🇸 Microsoft204.14.180.0/22
PTRns3-04.azure-dns.org
NSns4-04.azure-dns.info
A2620:1ec:bda:700::4🇺🇸 Microsoft2620:1ec::/36 MICROSOFT
PTRns4-04.azure-dns.info
A208.84.5.4🇺🇸 Microsoft208.84.0.0/21 MICROSOFT
PTRns4-04.azure-dns.info
MXcodingcontest-org.mail.eo.outlook.com ⭐
A2a01:111:f403:ca04::5🇮🇪 Microsoft2a01:111:f000::/36
PTRmail-db3pr0202cu00205.inbound.protection.outlook.com
A2a01:111:f403:ca04::8🇮🇪 Microsoft2a01:111:f000::/36
PTRmail-db5pr02cu00100.inbound.protection.outlook.com
A2a01:111:f403:ca04::e🇮🇪 Microsoft2a01:111:f000::/36
PTRmail-db8pr02cu00106.inbound.protection.outlook.com
A2a01:111:f403:ca09::d🇳🇱 Microsoft2a01:111:f000::/36
PTRmail-as9pr05cu01305.inbound.protection.outlook.com
A52.101.68.18🇮🇪 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-db4pr02cu00302.inbound.protection.outlook.com
A52.101.68.29🇮🇪 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-dbapr03cu00105.inbound.protection.outlook.com
A52.101.73.11🇳🇱 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-am1pr04cu00103.inbound.protection.outlook.com
A52.101.73.16🇳🇱 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-as2pr05cu00100.inbound.protection.outlook.com
TXTMS=ms11465857
TXTv=spf1 a:exchange.catalysts.cc include:amazonses.com include:spf.protection.o...
TXTapple-domain-verification=dViirYC9Tn6jRlls
SOAns1-04.azure-dns.comazuredns-hostmaster@microsoft.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=1774469048

Same first word

codingcontest.org

DNS History

11 records (6 active, 5 former)

201820192020202120222023202420252026NSns1-04.azure-dns.comns2-04.azure-dns.netns3-04.azure-dns.orgns4-04.azure-dns.infons1.domaindiscount24.netns2.domaindiscount24.netns3.domaindiscount24.netMXcodingcontest-org.mail.eo.outlook.comexchange.catalysts.ccA9.163.154.73138.201.193.46
●NSns1-04.azure-dns.com2026-03-25 → 2026-03-25 · 3 obs
○ 2017-10-11 13:09:04
● 2026-03-25 20:28:16
● 2026-03-25 20:28:18
○NSns1.domaindiscount24.net2017-10-11 → 2017-10-11 · 3 obs
● 2017-10-11 13:09:04
○ 2026-03-25 20:28:16
○ 2026-03-25 20:28:18
●NSns2-04.azure-dns.net2026-03-25 → 2026-03-25 · 3 obs
○ 2017-10-11 13:09:04
● 2026-03-25 20:28:16
● 2026-03-25 20:28:18
○NSns2.domaindiscount24.net2017-10-11 → 2017-10-11 · 3 obs
● 2017-10-11 13:09:04
○ 2026-03-25 20:28:16
○ 2026-03-25 20:28:18
●NSns3-04.azure-dns.org2026-03-25 → 2026-03-25 · 3 obs
○ 2017-10-11 13:09:04
● 2026-03-25 20:28:16
● 2026-03-25 20:28:18
○NSns3.domaindiscount24.net2017-10-11 → 2017-10-11 · 3 obs
● 2017-10-11 13:09:04
○ 2026-03-25 20:28:16
○ 2026-03-25 20:28:18
●NSns4-04.azure-dns.info2026-03-25 → 2026-03-25 · 3 obs
○ 2017-10-11 13:09:04
● 2026-03-25 20:28:16
● 2026-03-25 20:28:18
●MXcodingcontest-org.mail.eo.outlook.com2026-03-25 → 2026-03-25 · 3 obs
○ 2017-10-11 13:09:04
● 2026-03-25 20:28:16
● 2026-03-25 20:28:18
○MXexchange.catalysts.cc2017-10-11 → 2017-10-11 · 3 obs
● 2017-10-11 13:09:04
○ 2026-03-25 20:28:16
○ 2026-03-25 20:28:18
○A138.201.193.462017-10-11 → 2017-10-11 · 3 obs
● 2017-10-11 13:09:04
○ 2026-03-25 20:28:16
○ 2026-03-25 20:28:18
●A9.163.154.732026-03-25 → 2026-03-25 · 3 obs
○ 2017-10-11 13:09:04
● 2026-03-25 20:28:16
● 2026-03-25 20:28:18

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb0.org.afilias-nst.org, d0.org.afilias-nst.org, b2.org.afilias-nst.org-
codingcontest.orgns4-04.azure-dns.info, ns3-04.azure-dns.org, ns1-04.azure-dns.com, ns2-04.azure-dns.net2 records

✅ Authoritative Response

Server:208.84.5.4

NS records: ns4-04.azure-dns.info, ns3-04.azure-dns.org, ns1-04.azure-dns.com, ns2-04.azure-dns.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for codingcontest.org (unsigned zone)

⏱️ Timing

Total: 412ms | Queries: -

📄 Records

TypeCountSample Data
A19.163.154.73
NS4ns1-04.azure-dns.com, ns2-04.azure-dns.net...
MX1codingcontest-org.mail.eo.outlook.com (p
TXT3MS=ms11465857, v=spf1 a:exchange.catalysts.cc include:a...
SOA1ns1-04.azure-dns.com azuredns-hostmaster

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns3-04.azure-dns.org, ns3-04.azure-dns.org)

Analysis

IP Addresses

codingcontest.org points to a single IP: 9.163.154.73.

Name Servers

codingcontest.org's delegation is handled by four name servers: ns1-04.azure-dns.com, ns4-04.azure-dns.info, ns2-04.azure-dns.net and ns3-04.azure-dns.org.

codingcontest.org partially shares name servers with other domains; examples include hearit.us, relsci.net, inesa.eco.br, ccorpusa.com and enlog-aus.com.

Host names with two IPs:

ns1-04.azure-dns.com points to 2603:1061:0:700::4 and 13.107.236.4

ns4-04.azure-dns.info points to 2620:1ec:bda:700::4 and 208.84.5.4

ns2-04.azure-dns.net points to 2620:1ec:8ec:700::4 and 150.171.21.4

ns3-04.azure-dns.org points to 2a01:111:4000:700::4 and 204.14.183.4

Mail Servers

codingcontest.org is handled by a single mail server, codingcontest-org.mail.eo.outlook.com.

Hostname codingcontest-org.mail.eo.outlook.com points to eight IP numbers: 2a01:111:f403:ca04::5, 2a01:111:f403:ca04::8, 2a01:111:f403:ca04::e, 2a01:111:f403:ca09::d, 52.101.68.18, 52.101.68.29, 52.101.73.11 and 52.101.73.16.