coldblood.dk is a .dk domain served by 2 nameservers (lindsey.ns.cloudflare.com, sam.ns.cloudflare.com). It was registered on 10 April 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mx.coldblood.dk. The zone is DNSSEC-signed but currently fails validation, 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 |
|---|---|---|---|---|---|
| 10 | 300s | mx.coldblood.dk | 109.168.93.8 | mx.coldblood.dk | AS5602 Retelit Digital Services S.p.A. |
| TXT Record |
|---|
| google-site-verification=prCofvcvudI-Muigbl3PmSRNcEekoQ9QuEA53DroJOk |
| v=spf1 mx a -all |
| Policy | Record (coldblood.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx a -all |
| Policy | Record (_dmarc.coldblood.dk) |
|---|---|
| p=reject | v=DMARC1;p=reject;rua=mailto:report@coldblood.dk |
| www | Exists, no address |
| www vs bare domain | Neither resolves coldblood.dk: no address www.coldblood.dk: no address |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| dkim | — | 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| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx.coldblood.dk | DANE-EE · SPKI · SHA-256 | D1F0078AA3A38998F57CBFD88EF7EF90… |
| Check | Result |
|---|---|
| Validation Status | ⚠️ Bogus |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | broken trust chain resolving 'coldblood.dk/DS/IN': 127.0.0.1#53 |
| Field | Value |
|---|---|
| Serial | 2407483229 |
| Primary NS (MNAME) | lindsey.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 | 2021-04-10 |
| Expires | 2027-04-30 (191d) |
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 |
|---|---|---|---|
| 2026-10-17 11:39:07 | 722ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-14 03:38:02 | 736ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-01 04:14:09 | 857ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-07 11:01:21 | 973ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-27 16:40:03 | 1356ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-26 16:08:32 | 1041ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-20 00:29:05 | 1387ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-16 20:31:53 | 8971ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-14 18:31:01 | 5492ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-20 14:13:33 | 1128ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-28 20:38:53 | 1000ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-24 08:55:14 shown | 3648ms | 2 NS 0 A 1 MX | ⚠️ Bogus |
| 2026-06-23 11:37:27 | 1184ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-21 06:42:36 | 1142ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-20 03:10:07 | 1036ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-16 21:45:14 | 673ms | 2 NS 0 A 1 MX | 🔒 Secure |