irfa.dk - dns.ninja
irfa.dk
| DNSSEC | ⚠️ Not signed | ||||||
| A | 144.76.84.138🇩🇪 Hetzner144.76.0.0/16 HETZNER-RZ-BLK-ERX1 | ||||||
| PTR | thor.pageone.dk | ||||||
| NS | ns1.dotserv.com ⭐ | ||||||
| A | 2a01:7cc0:101:ffff::51🇩🇰 ASN-ATEA-DK2a01:7cc0:100::/40 | ||||||
| PTR | ns1.dotserv.com | ||||||
| A | 178.20.218.61🇩🇰 ASN-ATEA-DK178.20.218.0/24 | ||||||
| PTR | ns1.dotserv.com | ||||||
| NS | ns1.dotserv.net | ||||||
| A | 2a01:7cc0:101:ffff::52🇩🇰 ASN-ATEA-DK2a01:7cc0:100::/40 | ||||||
| PTR | ns1.dotserv.net | ||||||
| A | 178.20.217.29🇩🇰 ASN-ATEA-DK178.20.217.0/24 | ||||||
| PTR | ns1.dotserv.net | ||||||
| NS | ns2.dotserv.com | ||||||
| A | 193.180.214.21🇸🇪 WEBDOCK-AS193.180.208.0/21 Webdock.io ApS | ||||||
| PTR | ns2.dotserv.com | ||||||
| NS | ns2.dotserv.net | ||||||
| A | 2001:41d0:701:1100::c89e🇩🇪 OVH2001:41d0::/32 IPv6 | ||||||
| PTR | ns2.dotserv.net | ||||||
| A | 162.19.249.51🇫🇷 OVH162.19.128.0/17 | ||||||
| PTR | ns2.dotserv.net | ||||||
| MX | mail.irfa.dk ⭐ | ||||||
| A | 144.76.84.138🇩🇪 Hetzner144.76.0.0/16 HETZNER-RZ-BLK-ERX1 | ||||||
| PTR | thor.pageone.dk | ||||||
| TXT | v=spf1 include:_spf.dotserv.com -all | ||||||
| SOA | ns1.dotserv.comhostmaster@dotserv@com 2016-02-18 #0 | ||||||
dk
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | b.nic.dk ⭐ | ||||||
| NS | c.nic.dk | ||||||
| NS | h.nic.dk | ||||||
| NS | l.nic.dk | ||||||
| NS | s.nic.dk | ||||||
| NS | t.nic.dk | ||||||
| TXT | DK zone updateEpoch 1784826901localtime Thu Jul 23 19:15:01 2026gmtime Thu Ju... | ||||||
| SOA | b.nic.dktech@punktum.dk serial=1784826901 | ||||||
Subdomains
mail.irfa.dk |
Same first word
irfa.nu |
irfa.com |
irfa.org.au |
irfa.de |
irfa.ir |
irfa.org |
irfa.fr |
irfa.com.au |
irfa.ca |
irfa.org.pe |
irfa.ch |
irfa.com.mk |
irfa.dk |
irfa.net |
irfa.ru |
Similar names
DNS History
13 records (6 active, 7 former)
○NSns.dandomain.dk2015-07-07 → 2016-02-12 · 4 obs
● 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
● 2016-06-21 03:26:56
● 2026-07-23 17:21:58
●NSns1.dotserv.net2016-06-21 → 2026-07-23 · 3 obs
● 2016-06-21 03:26:56
● 2026-07-23 17:21:58
○NSns2.dandomain.dk2015-07-07 → 2016-02-12 · 4 obs
● 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
● 2016-06-21 03:26:56
● 2026-07-23 17:21:58
●NSns2.dotserv.net2016-06-21 → 2026-07-23 · 3 obs
● 2016-06-21 03:26:56
● 2026-07-23 17:21:58
○NSns3.dandomain.dk2015-07-07 → 2016-02-12 · 4 obs
● 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
● 2026-07-23 17:21:58
●A144.76.84.1382026-02-25 → 2026-07-23 · 3 obs
● 2026-02-25 18:32:40
● 2026-07-23 17:21:58
○A178.20.222.842015-09-30 → 2016-02-12 · 5 obs
● 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
● 2016-06-21 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
● 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
○ 2015-09-30 16:54:32
○ 2026-07-23 17:21:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dk | t.nic.dk, s.nic.dk, l.nic.dk, b.nic.dk... | - |
| irfa.dk | ns1.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
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 144.76.84.138 |
| NS | 4 | ns2.dotserv.net, ns2.dotserv.com... |
| MX | 1 | mail.irfa.dk (pri: 10) |
| TXT | 1 | v=spf1 include:_spf.dotserv.com -all |
| SOA | 1 | ns1.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.