gbslan.dk is a .dk domain served by 2 nameservers (adi.ns.cloudflare.com, mark.ns.cloudflare.com). It was registered on 16 April 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.16.152 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx1.pub.mailpod6-cph3.one.com, mx2.pub.mailpod6-cph3.one.com. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.16.152 | 600s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.213.168 | 600s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 600s | mx1.pub.mailpod6-cph3.one.com | 185.164.14.70 | mx1.pub.mailpod6-cph3.one.com | AS51468 One.com A/S |
| 10 | 600s | mx2.pub.mailpod6-cph3.one.com | 185.164.14.71 | mx2.pub.mailpod6-cph3.one.com | AS51468 One.com A/S |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3031::6815:1098 | 600s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3031::ac43:d5a8 | 600s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.16.152,172.67.213.168 ech=AEX+DQBB6AAgACCF7cJGVm9M1rzxOsNktLRhwAXKX/4cae2j3utvCATNHQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:1098,2606:4700:3031::ac43:d5a8 |
| TXT Record |
|---|
| v=spf1 include:_custspf.one.com -all |
| Policy | Record (gbslan.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:_custspf.one.com -all |
| www CNAME | gbslan.dk.www.service.one.com (all on one.com) → 46.30.213.164 (AS51468) |
| www vs bare domain | Different networks gbslan.dk: 104.21.16.152 172.67.213.168 2606:4700:3032::ac43:d5a8 2606:4700:3033::6815:1098 (AS13335) (all like this)www.gbslan.dk: 46.30.213.164 (AS51468) |
| Wildcard | No |
DNS lookups: 1/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.gbslan.dk | gbslan.dk.acme.service.one.com |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.pub.mailpod6-cph3.one.com | DANE-EE · SPKI · SHA-256 | 515D397B5EA735D3D3F24127EB4925FA… |
| SMTP _25._tcp.mx2.pub.mailpod6-cph3.one.com | DANE-EE · SPKI · SHA-256 | 515D397B5EA735D3D3F24127EB4925FA… |
| 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 | 2405633811 |
| Primary NS (MNAME) | adi.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2019-04-16 |
| Expires | 2027-04-30 (193d) |
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 |
|---|---|---|---|
| 2026-10-09 09:30:52 | 1845ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-11 20:23:30 | 660ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-07 03:34:25 | 750ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-03 17:52:12 | 1177ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-27 19:57:51 | 1043ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-27 06:13:34 | 896ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-26 06:15:06 | 1386ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-08 05:42:45 | 25601ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-07-06 23:30:34 | 1939ms | 2 NS 2 A 2 MX | ❓ Unknown |
| 2026-06-25 08:41:25 | 2625ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-25 04:54:11 | 1100ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-23 15:01:21 shown | 1222ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-17 09:17:54 | 1462ms | 2 NS 2 A 2 MX | 🔓 Insecure |