derwent.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 3 May 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mx1.pub.mailpod11-cph3.one.com, mx2.pub.mailpod11-cph3.one.com and 2 more. The zone is DNSSEC-signed and validates, has no 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 | 10800s | mx1.pub.mailpod11-cph3.one.com | 104.37.34.230 | mx1.pub.mailpod11-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx2.pub.mailpod11-cph3.one.com | 104.37.34.231 | mx2.pub.mailpod11-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx3.pub.mailpod11-cph3.one.com | 104.37.34.232 | mx3.pub.mailpod11-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx4.pub.mailpod11-cph3.one.com | 104.37.34.233 | mx4.pub.mailpod11-cph3.one.com | AS51468 One.com A/S |
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (derwent.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
DNS lookups: 0/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 00E55642F312E05CDB899B1433EDF47F… |
| SMTP _25._tcp.mx2.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 00E55642F312E05CDB899B1433EDF47F… |
| SMTP _25._tcp.mx3.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 00E55642F312E05CDB899B1433EDF47F… |
| SMTP _25._tcp.mx4.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 00E55642F312E05CDB899B1433EDF47F… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026053101 |
| 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 | 2011-05-03 |
| Expires | 2027-05-31 (226d) |
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).
| Domain | Registrar |
|---|---|
| casio-regnemaskiner.dk | Punktum dk A/S (direct) |
| p-klitgaard.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-08-26 08:48:03 | 2996ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-08-23 07:38:19 | 5950ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-08-22 07:30:30 | 779ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-08-21 07:08:51 | 5589ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-08-20 06:12:55 | 10158ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-08-19 04:00:40 | 2596ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-08-18 02:52:06 | 3531ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-08-16 22:32:59 | 900ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-08-14 21:59:01 | 959ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-08-13 00:50:08 | 5484ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-08-11 18:52:10 | 1560ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-08-10 05:45:05 | 8849ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-08-08 03:43:20 | 2810ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-07-31 09:42:23 | 2349ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-07-27 14:53:46 | 2557ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-07-26 14:44:43 | 833ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-07-25 14:22:43 | 10197ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-07-24 14:10:55 | 958ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-07-23 12:44:14 | 988ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-07-22 05:49:24 | 929ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-07-21 05:15:46 | 975ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-07-19 05:11:04 | 10169ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-07-18 03:46:59 | 4877ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-07-16 14:44:29 | 950ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-07-15 03:59:08 | 1284ms | 2 NS 0 A 0 MX | ⚠️ Bogus |