headache.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 2 June 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.111.240.151 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx1.pub.mailpod12-cph3.one.com, mx2.pub.mailpod12-cph3.one.com and 2 more. The zone is DNSSEC-signed and validates, 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 |
|---|---|---|---|---|---|---|---|
| 77.111.240.151 | 3600s | webcluster24.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.mailpod12-cph3.one.com | 104.37.34.246 | mx1.pub.mailpod12-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx2.pub.mailpod12-cph3.one.com | 104.37.34.247 | mx2.pub.mailpod12-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx3.pub.mailpod12-cph3.one.com | 104.37.34.248 | mx3.pub.mailpod12-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx4.pub.mailpod12-cph3.one.com | 104.37.34.249 | mx4.pub.mailpod12-cph3.one.com | AS51468 One.com A/S |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:102:be:29dc:2cc0:e03d | 3600s | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| www | Address record (no CNAME) |
| 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.mailpod12-cph3.one.com | DANE-EE · SPKI · SHA-256 | D91CB8AC124CB360F986182813BDF3FD… |
| SMTP _25._tcp.mx2.pub.mailpod12-cph3.one.com | DANE-EE · SPKI · SHA-256 | D91CB8AC124CB360F986182813BDF3FD… |
| SMTP _25._tcp.mx3.pub.mailpod12-cph3.one.com | DANE-EE · SPKI · SHA-256 | D91CB8AC124CB360F986182813BDF3FD… |
| SMTP _25._tcp.mx4.pub.mailpod12-cph3.one.com | DANE-EE · SPKI · SHA-256 | D91CB8AC124CB360F986182813BDF3FD… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026062601 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2000-06-02 |
| Expires | 2027-06-30 (255d) |
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 |
|---|---|---|---|
| 2026-09-30 15:37:46 | 500ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-28 07:40:33 | 725ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-28 06:32:12 | 751ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-27 10:09:11 | 687ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-26 10:06:59 | 1021ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-21 14:29:39 | 4957ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-29 11:43:22 | 919ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-28 13:18:32 | 537ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-27 18:24:40 shown | 736ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-17 11:07:11 | 1451ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-17 11:03:54 | 993ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-17 11:02:08 | 879ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-17 10:56:13 | 3312ms | 2 NS 1 A 4 MX | 🔒 Secure |