5f.dk is a .dk domain served by 2 nameservers (ns1.gur.dk, ns2.gur.dk). It was registered on 28 September 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 93.191.155.155 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by vagn.gur.dk. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.gur.dk | 93.191.155.155 | vagn.gur.dk | AS48854 team.blue Denmark A/S |
| ns2.gur.dk | 65.108.153.29 | ns2.gur.dk | AS24940 Hetzner Online GmbH |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 93.191.155.155 | 3600s | vagn.gur.dk | AS48854 | team.blue Denmark A/S | 93.191.152.0/21 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | vagn.gur.dk | 93.191.155.155 | vagn.gur.dk | AS48854 team.blue Denmark A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | vagn.gur.dk → 93.191.155.155 |
| 🔶 Autoconfig | vagn.gur.dk → 93.191.155.155 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _imap._tcp | 0 | 1 | 143 | vagn.gur.dk |
| _imaps._tcp | 0 | 1 | 993 | vagn.gur.dk |
| TXT Record |
|---|
| v=spf1 mx -all |
| Policy | Record (5f.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx -all |
| Policy | Record (_dmarc.5f.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none |
| www | 93.191.155.155 (AS48854) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
DNS lookups: 1/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2026101803 |
| Primary NS (MNAME) | ns1.gur.dk |
| Responsible (RNAME) | mail@frands.net |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2018-09-28 |
| Expires | 2027-09-30 (346d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-18 22:51:53 shown | 2237ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-17 21:56:36 | 582ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-16 21:47:46 | 1784ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-31 14:43:43 | 2943ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-28 01:13:40 | 4078ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-27 16:30:38 | 1694ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-27 07:35:39 | 897ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-25 20:46:15 | 855ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-24 01:27:18 | 1166ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-23 00:39:51 | 969ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-16 12:48:51 | 845ms | 2 NS 1 A 1 MX | 🔓 Insecure |