ostseeferien.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.111.240.162 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx1.pub.mailpod8-cph3.one.com, mx2.pub.mailpod8-cph3.one.com and 1 more. The zone is DNSSEC-signed but currently fails validation, has no DMARC policy and is reachable over IPv6. 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 77.111.240.162 | 3600s | webcluster35.webpod11-cph3.one.com | AS51468 | One.com A/S | 77.111.240.0/22 | 🇩🇰 Denmark | Copenhagen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 10800s | mx1.pub.mailpod8-cph3.one.com | 185.164.14.102 | mx1.pub.mailpod8-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx2.pub.mailpod8-cph3.one.com | 185.164.14.103 | mx2.pub.mailpod8-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx3.pub.mailpod8-cph3.one.com | 185.164.14.104 | mx3.pub.mailpod8-cph3.one.com | AS51468 One.com A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 77.111.240.162 |
| 🔶 Autoconfig | 77.111.240.162 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:102:8014:f10:4160:65fa | 3600s | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| www | 77.111.240.147 2a02:2350:5:102:9b:f159:b9df:926b (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network ostseeferien.dk: 77.111.240.147 2a02:2350:5:102:9b:f159:b9df:926b (AS51468) www.ostseeferien.dk: 77.111.240.147 2a02:2350:5:102:9b:f159:b9df:926b (AS51468) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.pub.mailpod8-cph3.one.com | DANE-EE · SPKI · SHA-256 | 026A3DCAF3804B72DA8C105B5ADC0C7D… |
| SMTP _25._tcp.mx2.pub.mailpod8-cph3.one.com | DANE-EE · SPKI · SHA-256 | 026A3DCAF3804B72DA8C105B5ADC0C7D… |
| SMTP _25._tcp.mx3.pub.mailpod8-cph3.one.com | DANE-EE · SPKI · SHA-256 | 026A3DCAF3804B72DA8C105B5ADC0C7D… |
| Check | Result |
|---|---|
| Validation Status | ⚠️ Bogus |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | broken trust chain resolving 'ostseeferien.dk/DNSKEY/IN': 127.0.0.1#53 |
| Field | Value |
|---|---|
| Serial | 2026061905 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-07 08:59:42 | 766ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-26 03:48:51 | 2536ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-09 00:26:59 | 1640ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-19 04:08:49 | 8896ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-15 21:30:15 | 4851ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-12 22:48:24 | 5824ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-07-25 11:45:04 | 8397ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-07-04 18:52:15 | 1884ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-22 22:14:12 shown | 653ms | 2 NS 1 A 3 MX | ⚠️ Bogus |
| 2026-06-20 13:48:58 | 763ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-20 02:38:10 | 2423ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-17 14:46:45 | 1129ms | 2 NS 1 A 3 MX | 🔒 Secure |