guldborgklanen.dk is a .dk domain served by 2 nameservers (ns.brisson.dk, ns2.brisson.dk). It was registered on 8 February 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 80.209.68.5 is hosted by FIBIA P/S (AS44869) in Denmark. Mail is handled by mx.brisson.dk. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns.brisson.dk | 80.209.68.5 | 80.209.68.5.static.fibianet.dk | AS44869 FIBIA P/S |
| ns2.brisson.dk | 80.209.68.3 | 80.209.68.3.static.fibianet.dk | AS44869 FIBIA P/S |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 80.209.68.5 | 86400s | 80.209.68.5.static.fibianet.dk | AS44869 | FIBIA P/S | 80.209.0.0/17 | 🇩🇰 Denmark | Borup |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 86400s | mx.brisson.dk | 80.209.68.5 | 80.209.68.5.static.fibianet.dk | AS44869 FIBIA P/S |
| TXT Record |
|---|
| v=spf1 mx include:_spf.brisson.dk -all |
| Policy | Record (guldborgklanen.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx include:_spf.brisson.dk -all |
| Policy | Record (_dmarc.guldborgklanen.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; rua=mailto:dmarc-reports@lists.e11.dk; ruf=mailto:dmarc-forensic@lists.e11.dk; pct=100 |
| www CNAME | mx.brisson.dk (all on brisson.dk) → 80.209.68.5 (AS44869) |
| www vs bare domain | Same network |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| default | — | RSA · ~2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 2/10 · 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 | 2026072503 |
| Primary NS (MNAME) | ns.brisson.dk |
| Responsible (RNAME) | hostmaster@brisson.dk |
| Refresh | 86400s |
| Retry | 7200s |
| Expire | 2419200s |
| Minimum (neg-cache TTL) | 300s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2023-02-08 |
| Expires | 2027-02-07 (112d) |
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).
| Domain | Registrar |
|---|---|
| lg-udlejning.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 00:31:38 | 740ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-26 21:44:17 | 830ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-24 03:01:45 | 1029ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-22 23:10:34 | 1293ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-15 22:17:27 | 5694ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-09 12:25:33 | 1351ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-02 00:23:00 | 9675ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-27 08:33:29 | 1300ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-26 14:26:27 | 523ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-09 19:59:54 | 945ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-26 00:00:02 shown | 899ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-30 17:30:26 | 832ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-26 03:55:05 | 885ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-25 23:37:40 | 755ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 10:39:40 | 668ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 10:38:45 | 827ms | 2 NS 1 A 1 MX | 🔓 Insecure |