irfa.dk - dns.ninja

irfa.dk

dk

DNSSEC🔒 Signed (DS record present)
NSb.nic.dk
NSc.nic.dk
NSh.nic.dk
NSl.nic.dk
NSs.nic.dk
NSt.nic.dk
TXTDK zone updateEpoch 1784826901localtime Thu Jul 23 19:15:01 2026gmtime Thu Ju...
SOAb.nic.dktech@punktum.dk serial=1784826901

Subdomains

Same first word

Similar names

DNS History

13 records (6 active, 7 former)

20162017201820192020202120222023202420252026NSns1.dotserv.comns1.dotserv.netns2.dotserv.comns2.dotserv.netns.dandomain.dkns2.dandomain.dkns3.dandomain.dkMXmail.irfa.dkA144.76.84.138178.20.222.84178.20.222.87207.154.255.2962.242.66.173
NSns.dandomain.dk2015-07-07 → 2016-02-12 · 4 obs
● 2015-07-07 03:49:04
● 2016-02-12 21:55:46
○ 2016-06-21 03:26:56
○ 2026-07-23 17:21:58
NSns1.dotserv.com2016-06-21 → 2026-07-23 · 3 obs
○ 2016-02-12 21:55:46
● 2016-06-21 03:26:56
● 2026-07-23 17:21:58
NSns1.dotserv.net2016-06-21 → 2026-07-23 · 3 obs
○ 2016-02-12 21:55:46
● 2016-06-21 03:26:56
● 2026-07-23 17:21:58
NSns2.dandomain.dk2015-07-07 → 2016-02-12 · 4 obs
● 2015-07-07 03:49:04
● 2016-02-12 21:55:46
○ 2016-06-21 03:26:56
○ 2026-07-23 17:21:58
NSns2.dotserv.com2016-06-21 → 2026-07-23 · 3 obs
○ 2016-02-12 21:55:46
● 2016-06-21 03:26:56
● 2026-07-23 17:21:58
NSns2.dotserv.net2016-06-21 → 2026-07-23 · 3 obs
○ 2016-02-12 21:55:46
● 2016-06-21 03:26:56
● 2026-07-23 17:21:58
NSns3.dandomain.dk2015-07-07 → 2016-02-12 · 4 obs
● 2015-07-07 03:49:04
● 2016-02-12 21:55:46
○ 2016-06-21 03:26:56
○ 2026-07-23 17:21:58
MXmail.irfa.dk2015-07-07 → 2026-07-23 · 2 obs
● 2015-07-07 03:49:04
● 2026-07-23 17:21:58
A144.76.84.1382026-02-25 → 2026-07-23 · 3 obs
○ 2021-04-20 18:21:42
● 2026-02-25 18:32:40
● 2026-07-23 17:21:58
A178.20.222.842015-09-30 → 2016-02-12 · 5 obs
○ 2015-07-07 03:49:04
● 2015-09-30 16:54:32
● 2016-02-12 21:55:46
○ 2016-06-21 03:26:56
○ 2026-07-23 17:21:58
A178.20.222.872016-06-21 → 2017-08-27 · 5 obs
○ 2016-02-12 21:55:46
● 2016-06-21 03:26:56
● 2017-08-27 13:47:44
○ 2021-04-20 18:21:42
○ 2026-07-23 17:21:58
A207.154.255.292021-04-20 → 2021-04-20 · 4 obs
○ 2017-08-27 13:47:44
● 2021-04-20 18:21:42
○ 2026-02-25 18:32:40
○ 2026-07-23 17:21:58
A62.242.66.1732015-07-07 → 2015-07-07 · 3 obs
● 2015-07-07 03:49:04
○ 2015-09-30 16:54:32
○ 2026-07-23 17:21:58

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dkt.nic.dk, s.nic.dk, l.nic.dk, b.nic.dk...-
irfa.dkns1.dotserv.com, ns1.dotserv.net, ns2.dotserv.com, ns2.dotserv.net-

✅ Authoritative Response

Server:178.20.218.61

NS records: ns1.dotserv.com, ns1.dotserv.net, ns2.dotserv.com, ns2.dotserv.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for irfa.dk (unsigned zone)

⏱️ Timing

Total: 1839ms | Queries: -

📄 Records

TypeCountSample Data
A1144.76.84.138
NS4ns2.dotserv.net, ns2.dotserv.com...
MX1mail.irfa.dk (pri: 10)
TXT1v=spf1 include:_spf.dotserv.com -all
SOA1ns1.dotserv.com hostmaster@dotserv.com

Analysis

Hierarchy

irfa.dk is the parent zone for mail.irfa.dk.

IP Addresses

irfa.dk has exactly one IP address — 144.76.84.138.

net.spacelab.dk, mail.irfa.dk, llee.dk plus two other host names have IP numbers in common with irfa.dk.

Name Servers

Four name servers handle the delegation for irfa.dk: ns1.dotserv.com, ns2.dotserv.com, ns1.dotserv.net and ns2.dotserv.net.

irfa.dk partially shares its NS delegation with several other domains, including iwan.dk, lula.dk, ndia.dk and two others.

Host names pointing to two IP addresses:

ns1.dotserv.com maps to two IP addresses — 178.20.218.61 and 2a01:7cc0:101:ffff::51.

ns1.dotserv.net maps to two IP addresses — 178.20.217.29 and 2a01:7cc0:101:ffff::52.

ns2.dotserv.net maps to two IP addresses — 162.19.249.51 and 2001:41d0:701:1100::c89e.

Host names resolving to a single IP address:

ns2.dotserv.com points to the IP address 193.180.214.21.

Mail Servers

irfa.dk uses one mail server — mail.irfa.dk.

There is one IP number for mail.irfa.dk: 144.76.84.138.