12f.dk is a .dk domain served by 2 nameservers (carter.ns.cloudflare.com, zita.ns.cloudflare.com). It was registered on 29 November 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.199.108.153 is hosted by Fastly, Inc. (AS54113) in United States. Mail is handled by mx01.mail.icloud.com, mx02.mail.icloud.com. 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.
| TXT Record |
|---|
| apple-domain-verification=K2e_EjDTsnZmGLjN5v1GZGgy9fPct7Ttbo10mKDGKZ0 |
| apple-domain=E4mtq2iskN7V4nVX |
| brevo-code:7dad81baa5ada2779beb189a0008e4a7 |
| google-site-verification=Z_0zPnrVx02nbah5oP09i9Y9gviXVX7y7jkoMVMS5RU |
| v=spf1 include:icloud.com ~all |
| Policy | Record (12f.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:icloud.com ~all |
| Policy | Record (_dmarc.12f.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; pct=100; rua=mailto:21daa946733d4f87933fe95f97899d04@dmarc-reports.cloudflare.net,mailto:rua@dmarc.brevo.com |
| www CNAME | rhjensen79.github.io (all on github.io) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | Delete signal: the zone asks the registry to remove its DS (go insecure) 1 CDS, 1 CDNSKEY |
DNS lookups: 5/10 · policy: ~all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2416250366 |
| Primary NS (MNAME) | carter.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | DANDOMAIN A/S |
| Registered | 2023-11-29 |
| Expires | 2026-11-28 (42d) |
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 |
|---|---|
| billederapport.dk | DANDOMAIN A/S |
| robert-jensen.dk | Punktum dk A/S (direct) |
| tanzu.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-16 15:09:17 | 2043ms | 2 NS 4 A 2 MX | 🔓 Insecure |
| 2026-10-14 14:13:59 | 2158ms | 2 NS 4 A 2 MX | 🔓 Insecure |
| 2026-10-07 10:31:16 | 2209ms | 2 NS 4 A 2 MX | 🔓 Insecure |
| 2026-10-03 08:03:52 | 1542ms | 2 NS 4 A 2 MX | 🔓 Insecure |
| 2026-09-30 23:29:10 shown | 879ms | 2 NS 4 A 2 MX | 🔓 Insecure |
| 2026-09-28 23:04:48 | 1061ms | 2 NS 4 A 2 MX | 🔓 Insecure |
| 2026-09-27 22:56:47 | 1149ms | 2 NS 4 A 2 MX | 🔓 Insecure |
| 2026-09-23 20:35:22 | 849ms | 2 NS 4 A 2 MX | 🔓 Insecure |
| 2026-09-20 03:27:20 | 1632ms | 2 NS 4 A 2 MX | 🔓 Insecure |
| 2026-09-06 01:33:46 | 1090ms | 2 NS 4 A 2 MX | 🔓 Insecure |
| 2026-09-01 18:48:18 | 840ms | 2 NS 4 A 2 MX | 🔓 Insecure |
| 2026-08-30 01:57:40 | 2052ms | 2 NS 4 A 2 MX | 🔓 Insecure |
| 2026-08-28 09:09:29 | 895ms | 2 NS 4 A 2 MX | 🔓 Insecure |
| 2026-08-27 09:01:57 | 902ms | 2 NS 4 A 2 MX | 🔓 Insecure |
| 2026-08-26 09:00:23 | 886ms | 2 NS 4 A 2 MX | 🔓 Insecure |
| 2026-08-25 21:00:04 | 1241ms | 2 NS 4 A 2 MX | 🔓 Insecure |
| 2026-08-24 13:03:20 | 3024ms | 2 NS 4 A 2 MX | 🔓 Insecure |
| 2026-08-23 06:33:11 | 1807ms | 2 NS 4 A 2 MX | 🔓 Insecure |
| 2026-08-16 19:53:15 | 1937ms | 2 NS 4 A 2 MX | 🔓 Insecure |
| 2026-08-11 14:49:59 | 7285ms | 2 NS 4 A 2 MX | 🔓 Insecure |
| 2026-08-07 11:22:57 | 1775ms | 2 NS 4 A 2 MX | 🔓 Insecure |
| 2026-07-28 04:53:08 | 10576ms | 2 NS 4 A 2 MX | 🔓 Insecure |
| 2026-07-18 06:06:58 | 9503ms | 2 NS 4 A 2 MX | 🔓 Insecure |
| 2026-07-03 13:33:14 | 896ms | 2 NS 4 A 2 MX | 🔓 Insecure |
| 2026-06-30 01:30:05 | 1244ms | 2 NS 4 A 2 MX | 🔓 Insecure |