codejudge.ir - dns.ninja

codejudge.ir

DNSSEC⚠️ Not signed
A88.218.17.104🇳🇱 Serverius-as88.218.17.0/24
NSr.ns.arvancdn.ir ⭐
A185.143.235.253🇮🇷 ARVANCLOUD-CDN-IR185.143.235.0/24
NSt.ns.arvancdn.ir
A185.143.235.253🇮🇷 ARVANCLOUD-CDN-IR185.143.235.0/24
SOAr.ns.arvancdn.irhostmaster@arvancloud.ir serial=1767906061

ir

DNSSEC⚠️ Not signed
NSa.nic.ir ⭐
NSb.nic.ir
NSc.nic.ir
NSd.nic.ir
SOAa.nic.irinfo@nic.ir serial=2607270615

Previously MX for

codejudge.ir

Same first word

codejudge.ir
codejudge.edu.vn
codejudge.xyz
codejudge.net
codejudge.io

Similar names

judgecode.com

DNS History

8 records (3 active, 5 former)

20192020202120222023202420252026NSr.ns.arvancdn.irt.ns.arvancdn.irns1.digitalocean.comns2.digitalocean.comns3.digitalocean.comMXcodejudge.irA88.218.17.104198.211.118.117
○NSns1.digitalocean.com2018-05-07 → 2018-05-07 · 3 obs
● 2018-05-07 20:25:44
○ 2026-02-21 18:48:10
○ 2026-07-27 03:08:28
○NSns2.digitalocean.com2018-05-07 → 2018-05-07 · 3 obs
● 2018-05-07 20:25:44
○ 2026-02-21 18:48:10
○ 2026-07-27 03:08:28
○NSns3.digitalocean.com2018-05-07 → 2018-05-07 · 3 obs
● 2018-05-07 20:25:44
○ 2026-02-21 18:48:10
○ 2026-07-27 03:08:28
●NSr.ns.arvancdn.ir2026-02-21 → 2026-07-27 · 3 obs
○ 2018-05-07 20:25:44
● 2026-02-21 18:48:10
● 2026-07-27 03:08:28
●NSt.ns.arvancdn.ir2026-02-21 → 2026-07-27 · 3 obs
○ 2018-05-07 20:25:44
● 2026-02-21 18:48:10
● 2026-07-27 03:08:28
○MXcodejudge.ir2018-05-07 → 2018-05-07 · 3 obs
● 2018-05-07 20:25:44
○ 2026-02-21 18:48:10
○ 2026-07-27 03:08:28
○A198.211.118.1172018-05-07 → 2018-05-07 · 3 obs
● 2018-05-07 20:25:44
○ 2026-02-21 18:48:10
○ 2026-07-27 03:08:28
●A88.218.17.1042026-02-21 → 2026-07-27 · 3 obs
○ 2018-05-07 20:25:44
● 2026-02-21 18:48:10
● 2026-07-27 03:08:28

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
ira.nic.ir, b.nic.ir, c.nic.ir, d.nic.ir8 records
codejudge.irt.ns.arvancdn.ir, r.ns.arvancdn.ir-

✅ Authoritative Response

Server:185.143.235.253

NS records: t.ns.arvancdn.ir, r.ns.arvancdn.ir

🔒 DNSSEC Status

❌ Bogus (DNSSEC validation failed)

Validation error at ir: Error: DNS query timeout: 193.189.123.2 for DNSKEY ir

⏱️ Timing

Total: 3918ms | Queries: -

📄 Records

TypeCountSample Data
A188.218.17.104
NS2r.ns.arvancdn.ir, t.ns.arvancdn.ir
SOA1r.ns.arvancdn.ir hostmaster.arvancloud.i

📌 Glue Records Collected

Total: 8

In-bailiwick: 8 (a.nic.ir, b.nic.ir, c.nic.ir...)

Analysis

IP Addresses

codejudge.ir points to a single IP number: 88.218.17.104.

Among the host names that share IP numbers with codejudge.ir is codeamooz.com, as one example.

Name Servers

The NS records for codejudge.ir delegate to r.ns.arvancdn.ir and t.ns.arvancdn.ir.

codejudge.ir shares its name server setup with other domains, including caroje.ir, laftika.com, qiet.ac.ir and two others.

The name servers of codejudge.ir overlap at least partially with those of other domains — among them www.eghtesadonline.com, mehrabantrade.com, www.persianhost.com and two more.

These name servers commonly appear in delegations together with i.ns.arvancdn.ir, a.ns.arvancdn.ir, h.ns.arvancdn.ir and 7 other.

Each of r.ns.arvancdn.ir and t.ns.arvancdn.ir points to exactly one IP address: 185.143.235.253.

r.ns.arvancdn.ir and t.ns.arvancdn.ir each have 185.143.235.253 IP addresses.