omc-holding.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 3 December 2008 (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, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest 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 include:_custspf.one.com ~all |
| Policy | Record (omc-holding.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_custspf.one.com ~all |
| Policy | Record (_dmarc.omc-holding.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject |
| www | NXDOMAIN |
| www vs bare domain | Neither resolves omc-holding.dk: no address www.omc-holding.dk: no address |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 1/10 · policy: ~all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 24F573980561755185B794745411B05D… |
| SMTP _25._tcp.mx2.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 24F573980561755185B794745411B05D… |
| SMTP _25._tcp.mx3.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 24F573980561755185B794745411B05D… |
| SMTP _25._tcp.mx4.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 24F573980561755185B794745411B05D… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2026101509 |
| 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 | 2008-12-03 |
| Expires | 2026-12-31 (70d) |
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).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-16 00:42:58 shown | 1507ms | 2 NS 0 A 4 MX | 🔒 Secure |
| 2026-10-11 16:15:55 | 540ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-09 10:25:23 | 405ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-16 18:35:29 | 510ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-12 00:56:07 | 753ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-12 02:32:00 | 2154ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-18 00:23:49 | 755ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-12 15:12:32 | 731ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-24 01:56:30 | 739ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-22 19:19:30 | 1133ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-18 06:30:48 | 596ms | 2 NS 0 A 1 MX | 🔒 Secure |