bluedog.dk is a .dk domain served by 4 nameservers (ns1.dotserv.com, ns1.dotserv.net, ns2.dotserv.com and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by ASPMX.L.GOOGLE.com, ALT1.ASPMX.L.GOOGLE.com and 3 more. 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.dotserv.com | — | — | — |
| ns1.dotserv.net | — | — | — |
| ns2.dotserv.com | — | — | — |
| ns2.dotserv.net | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 178.20.216.10 | — | ispc0.dotserv.com | AS21060 | — | — | — | — |
| TXT Record |
|---|
| v=spf1 a include:_spf.google.com ~all |
| Policy | Record (bluedog.dk) |
|---|---|
| ~all (soft fail) | v=spf1 a include:_spf.google.com ~all |
| Policy | Record (_dmarc.bluedog.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; |
| Flags | Tag | Value |
|---|---|---|
| 0 | issue | comodoca.com |
| 0 | issue | letsencrypt.org |
| www | 178.20.216.10 (AS21060) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 2/10 · 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 | 2018090500 |
| Primary NS (MNAME) | ns1.dotserv.com |
| Responsible (RNAME) | hostmaster@dotserv@com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-26 14:36:36 | 843ms | 4 NS 1 A 5 MX | 🔓 Insecure |
| 2026-07-02 00:04:22 | 2769ms | 4 NS 1 A 5 MX | 🔓 Insecure |
| 2026-06-16 15:13:58 | 2115ms | 4 NS 1 A 5 MX | 🔓 Insecure |
| 2026-06-16 15:01:58 | 558ms | 4 NS 1 A 5 MX | 🔓 Insecure |
| 2026-06-16 15:01:39 shown | 4081ms | 4 NS 1 A 5 MX | 🔓 Insecure |
| 2026-06-16 15:01:00 | 830ms | 4 NS 1 A 5 MX | 🔓 Insecure |