mail.opcode.eu.org - dns.ninja

mail.opcode.eu.org

CNAMEdragon.opcode.eu.org
DNSSEC⚠️ Not signed
A2001:6a0:0:21::60:13🇵🇱 ICM-PUB2001:6a0::/34 PL-ICM-PUB
PTRdragon.icm.edu.pl
A213.135.60.13🇵🇱 ICM-PUB213.135.56.0/21 ICM University of Warsaw Warsaw Poland

opcode.eu.org

DNSSEC⚠️ Not signed
A2001:6a0:0:21::60:13🇵🇱 ICM-PUB2001:6a0::/34 PL-ICM-PUB
A213.135.60.13🇵🇱 ICM-PUB213.135.56.0/21 ICM University of Warsaw Warsaw Poland
NSdragon.icm.edu.pl ⭐
NSfns1.42.pl
NSfns2.42.pl
NSns3.he.net
NSns4.he.net
MXdragon.opcode.eu.org ⭐
TXTv=spf1 a:dragon.opcode.eu.org ip4:213.135.60.13 ip6:2001:6a0:0:21::60:13 ?all
SOAdragon.icm.edu.plrrp@dragon.icm.edu.pl 2025-12-24 #1
WOT: SAFE (61/100)
WOT: SAFE (64/100)

Previously MX for

opcode.eu.org

Same first word

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DNS History

4 records (1 active, 3 former)

2017201820192020202120222023202420252026A2001:6a0:0:21::60:13213.135.60.13CNAMEdragon.opcode.eu.orgdragon.icm.edu.pl
○A2001:6a0:0:21::60:132016-06-12 → 2016-06-12 · 3 obs
● 2016-06-12 05:51:36
○ 2026-05-15 11:07:20
○ 2026-08-04 08:22:52
○A213.135.60.132016-06-12 → 2016-06-12 · 3 obs
● 2016-06-12 05:51:36
○ 2026-05-15 11:07:20
○ 2026-08-04 08:22:52
○CNAMEdragon.icm.edu.pl2016-06-12 → 2016-06-12 · 3 obs
● 2016-06-12 05:51:36
○ 2026-05-15 11:07:20
○ 2026-08-04 08:22:52
●CNAMEdragon.opcode.eu.org2026-05-15 → 2026-08-04 · 3 obs
○ 2016-06-12 05:51:36
● 2026-05-15 11:07:20
● 2026-08-04 08:22:52

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgd0.org.afilias-nst.org, b0.org.afilias-nst.org, b2.org.afilias-nst.org-
eu.orgns.bortzmeyer.eu.org, gra.wolfhugel.eu, ns1.eu.org, ns1.eriomem.net...6 records
opcode.eu.orgns4.he.net, fns1.42.pl, ns3.he.net, dragon.icm.edu.pl...-

✅ Authoritative Response

Server:79.98.145.34

NS records: ns4.he.net, fns1.42.pl, ns3.he.net, dragon.icm.edu.pl, fns2.42.pl

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for opcode.eu.org (unsigned zone)

⏱️ Timing

Total: 3400ms | Queries: -

📄 Records

TypeCountSample Data
CNAME1dragon.opcode.eu.org

📌 Glue Records Collected

Total: 6

In-bailiwick: 6 (ns.bortzmeyer.eu.org, ns.bortzmeyer.eu.org, ns1.eu.org...)

Analysis

IP Addresses

mail.opcode.eu.org has two IP addresses: 213.135.60.13 and 2001:6a0:0:21::60:13

Host names such as dragon.icm.edu.pl, dragon.opcode.eu.org and opcode.eu.org share their IP numbers with mail.opcode.eu.org.