codesource.dk is a .dk domain served by 2 nameservers (noel.ns.cloudflare.com, virginia.ns.cloudflare.com). It was registered on 27 June 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mail.heap.nl. 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.
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 1 | 60s | mail.heap.nl | 2a01:7c8:aac4:286:5054:ff:fec7:971c 37.97.223.226 |
mail.heap.nl mail.heap.nl |
AS20857 Signet B.V. AS20857 Signet B.V. |
| TXT Record |
|---|
| google-site-verification=BhPuPGhtTqNZAqF_t16YmA9zmoUGBy53JhrfUAoGGQ8 |
| v=spf1 mx include:_spf.transip.email -all |
| Policy | Record (codesource.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx include:_spf.transip.email -all |
| Policy | Record (_dmarc.codesource.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; pct=100; adkim=s; aspf=s; rua=mailto:postmaster@codesource.dk; ruf=mailto:postmaster@codesource.dk; fo=1 |
| Status | Report address (rua) |
|---|---|
| ✓ Enabled | mailto:postmaster@codesource.dk |
| www | NXDOMAIN |
| www vs bare domain | Neither resolves codesource.dk: no address www.codesource.dk: no address |
| Wildcard | No |
DNS lookups: 3/10 · 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 | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2414102256 |
| Primary NS (MNAME) | noel.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 | 2025-06-27 |
| Expires | 2027-06-26 (249d) |
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).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-19 14:11:03 | 1111ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-29 17:47:53 | 723ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-08 18:18:23 | 1264ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-08 02:34:32 shown | 2601ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-05 12:03:52 | 1635ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-08-23 18:48:55 | 4298ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-08-21 15:20:43 | 1897ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-25 14:34:06 | 698ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-19 08:41:21 | 5586ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-16 21:47:01 | 405ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-16 21:40:42 | 556ms | 2 NS 0 A 1 MX | 🔓 Insecure |