nsrk.dk - robtex.com
nsrk.dk
| DNSSEC | ⚠️ Not signed | ||||||
| A | 176.223.244.74🇬🇧 ROHOSTWAY-AS176.223.240.0/21 | ||||||
| PTR | server8.gullestrupnet.dk | ||||||
| NS | ns3.gullestrupnet.dk ⭐ | ||||||
| A | 176.223.244.50🇬🇧 ROHOSTWAY-AS176.223.240.0/21 | ||||||
| PTR | server8.gullestrupnet.dk | ||||||
| NS | ns4.gullestrupnet.dk | ||||||
| A | 176.223.244.74🇬🇧 ROHOSTWAY-AS176.223.240.0/21 | ||||||
| PTR | server8.gullestrupnet.dk | ||||||
| MX | mail.nsrk.dk ⭐ | ||||||
| A | 176.223.244.50🇬🇧 ROHOSTWAY-AS176.223.240.0/21 | ||||||
| PTR | server8.gullestrupnet.dk | ||||||
| MX | backupmail.gullestrupnet.dk(20) | ||||||
| A | 82.165.203.134🇩🇪 IONOS-AS82.165.0.0/16 IONOS-PA-4 | ||||||
| PTR | mail51.gullestrupnet.dk | ||||||
| TXT | v=spf1 +a +mx ip4:176.223.244.50 ip4:176.223.244.74 -all | ||||||
| SOA | ns3.gullestrupnet.dkthomas@mcu.dk 2024-11-07 #16 | ||||||
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 1786111380localtime Fri Aug 7 16:03:00 2026gmtime Fri Au... | ||||||
| SOA | b.nic.dktech@punktum.dk serial=1786111200 | ||||||
Subdomains
mail.nsrk.dk |
Same first word
Similar names
DNS History
12 records (5 active, 7 former)
○NSns.gullestrupnet.dk2015-08-28 → 2016-09-28 · 4 obs
● 2016-09-28 20:04:30
○ 2016-11-15 02:08:00
○ 2026-08-07 14:17:44
○NSns12.gullestrupnet.dk2016-11-15 → 2016-11-15 · 4 obs
● 2016-11-15 02:08:00
○ 2026-06-11 06:44:50
○ 2026-08-07 14:17:44
○NSns13.gullestrupnet.dk2016-11-15 → 2016-11-15 · 4 obs
● 2016-11-15 02:08:00
○ 2026-06-11 06:44:50
○ 2026-08-07 14:17:44
○NSns2.gullestrupnet.dk2015-08-28 → 2016-09-28 · 4 obs
● 2016-09-28 20:04:30
○ 2016-11-15 02:08:00
○ 2026-08-07 14:17:44
●NSns3.gullestrupnet.dk2026-06-11 → 2026-08-07 · 3 obs
● 2026-06-11 06:44:50
● 2026-08-07 14:17:44
●NSns4.gullestrupnet.dk2026-06-11 → 2026-08-07 · 3 obs
● 2026-06-11 06:44:50
● 2026-08-07 14:17:44
○NSns5.gullestrupnet.dk2015-08-28 → 2016-09-28 · 4 obs
● 2016-09-28 20:04:30
○ 2016-11-15 02:08:00
○ 2026-08-07 14:17:44
●MXbackupmail.gullestrupnet.dk2015-08-28 → 2026-08-07 · 2 obs
● 2026-08-07 14:17:44
●MXmail.nsrk.dk2015-08-28 → 2026-08-07 · 2 obs
● 2026-08-07 14:17:44
○A144.76.175.1472016-11-15 → 2016-11-15 · 4 obs
● 2016-11-15 02:08:00
○ 2026-06-11 06:44:50
○ 2026-08-07 14:17:44
●A176.223.244.742026-06-11 → 2026-08-07 · 3 obs
● 2026-06-11 06:44:50
● 2026-08-07 14:17:44
○A89.249.3.1292015-08-28 → 2016-09-28 · 4 obs
● 2016-09-28 20:04:30
○ 2016-11-15 02:08:00
○ 2026-08-07 14:17:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dk | b.nic.dk, h.nic.dk, t.nic.dk, c.nic.dk... | - |
| nsrk.dk | ns3.gullestrupnet.dk, ns4.gullestrupnet.dk | - |
✅ Authoritative Response
Server:176.223.244.74
NS records: ns3.gullestrupnet.dk, ns4.gullestrupnet.dk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for nsrk.dk (unsigned zone)
⏱️ Timing
Total: 2921ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 176.223.244.74 |
| NS | 2 | ns3.gullestrupnet.dk, ns4.gullestrupnet.dk |
| MX | 2 | mail.nsrk.dk (pri: 10), backupmail.gullestrupnet.dk (pri: 20) |
| TXT | 1 | v=spf1 +a +mx ip4:176.223.244.50 ip4:176 |
| SOA | 1 | ns3.gullestrupnet.dk thomas.mcu.dk |
Analysis
Hierarchy
mail.nsrk.dk is a subdomain of nsrk.dk.
IP Addresses
nsrk.dk resolves to one IP address: 176.223.244.74.
kit-terapeut.dk, hoppeborg.nu, psykiatriskklinik.dk and two other host names share IP numbers with nsrk.dk.
Name Servers
nsrk.dk has two authoritative name servers — ns3.gullestrupnet.dk and ns4.gullestrupnet.dk.
nsrk.dk uses the same name servers as several other domains — among them hjelmborg.dk, northhip.com, montforum.dk and two more.
nsrk.dk has overlapping name servers with several other domains — among them lurblaeseren.dk, gudmann.dk, gullestrup.net and karelius.dk.
These name servers commonly appear alongside the name servers ns6.gullestrupnet.dk and ns7.gullestrupnet.dk.
Both ns3.gullestrupnet.dk and ns4.gullestrupnet.dk have a single IP address each — ns3.gullestrupnet.dk resolves to 176.223.244.50 while ns4.gullestrupnet.dk resolves to 176.223.244.74.
Mail Servers
Mail for nsrk.dk is handled by two mail servers — backupmail.gullestrupnet.dk and mail.nsrk.dk.
nsrk.dk has at least partial mail server overlap with other domains such as ellekrog.dk, net2mail.dk, hoppeborg.nu and two more.
The mail servers mail.safnet.dk, mail.ellekrog.dk and mail.net2mail.dk are commonly used alongside these mail servers.
Both backupmail.gullestrupnet.dk and mail.nsrk.dk have a single IP address each — backupmail.gullestrupnet.dk resolves to 82.165.203.134 while mail.nsrk.dk resolves to 176.223.244.50.