blueserver.dk is a .dk domain served by 2 nameservers (hattie.ns.cloudflare.com, henrik.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by srv1.blueserver.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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| hattie.ns.cloudflare.com | — | — | — |
| henrik.ns.cloudflare.com | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 77.33.186.86 | — | 77.33.186.86.dhcp.fibianet.dk | AS44869 | — | — | — | Fuglebjerg |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | — | srv1.blueserver.dk | 77.33.186.101 | 77.33.186.101.dhcp.fibianet.dk | AS44869 FIBIA P/S |
| TXT Record |
|---|
| google-site-verification=iPmsJU2KOpllE4BK6vihzL_KbNK7sF4xQhW5dTIa5zk |
| v=spf1 ip4:77.33.186.101 ~all |
| Policy | Record (blueserver.dk) |
|---|---|
| ~all (soft fail) | v=spf1 ip4:77.33.186.101 ~all |
| Policy | Record (_dmarc.blueserver.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:dmarc@blueserver.dk; ruf=mailto:dmarc@blueserver.dk |
| Flags | Tag | Value |
|---|---|---|
| 0 | issue | comodoca.com |
| 0 | issue | digicert.com; cansignhttpexchanges=yes |
| 0 | issue | letsencrypt.org |
| 0 | issue | pki.goog; cansignhttpexchanges=yes |
| 0 | issue | ssl.com |
| 0 | issuewild | comodoca.com |
| 0 | issuewild | digicert.com; cansignhttpexchanges=yes |
| 0 | issuewild | letsencrypt.org |
| 0 | issuewild | pki.goog; cansignhttpexchanges=yes |
| 0 | issuewild | ssl.com |
| www CNAME | blueserver.dk (all on blueserver.dk) |
| www vs bare domain | Same network |
| 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 |
DNS lookups: 0/10 · policy: ~all
No problems found| Check | Result |
|---|---|
| Validation Status | ⚠️ Bogus |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | broken trust chain resolving 'blueserver.dk/A/IN': 127.0.0.1#53 |
| Field | Value |
|---|---|
| Serial | 2405243896 |
| Primary NS (MNAME) | hattie.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 17:44:39 | 1184ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-22 02:22:14 | 1012ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-17 22:47:46 | 1263ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-07 04:39:00 | 666ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-05 05:30:13 | 9558ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-04 06:45:35 | 1537ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-01 12:54:05 | 704ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-30 10:18:46 | 2332ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-28 18:40:52 | 1502ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-06 16:48:50 | 1516ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-12 11:56:16 | 1123ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-07 01:37:46 | 1176ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-03 13:34:44 | 9450ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-24 19:30:53 | 2486ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 15:17:57 | 3122ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 15:15:40 shown | 1894ms | 2 NS 1 A 1 MX | ⚠️ Bogus |
| 2026-06-16 15:06:48 | 605ms | 2 NS 1 A 1 MX | ⚠️ Bogus |
| 2026-06-16 15:00:54 | 743ms | 2 NS 1 A 1 MX | 🔒 Secure |