0ffice.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 2 December 2019 (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 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 include:sendgrid.net include:spf.protection.outlook.com -all |
| Policy | Record (0ffice.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:sendgrid.net include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.0ffice.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; pct=100 |
| www | 46.30.211.38 (AS51468) (address records, no CNAME) |
| www vs bare domain | Only www resolves (all like this) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| s1 | s1.domainkey.u12609652.wl153.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u12609652.wl153.sendgrid.net | RSA · ~1024 bit below 2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 3/10 · 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 | 2026092001 |
| 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 | 2019-12-02 |
| Expires | 2026-12-31 (75d) |
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 |
|---|---|
| pruebacyber.dk | Domeneshop AS |
| voresfirmagaver.dk | Punktum dk A/S (direct) |
| whitehackers.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-04 06:30:49 | 422ms | 2 NS 0 A 4 MX | 🔒 Secure |
| 2026-09-28 06:55:12 | 677ms | 2 NS 0 A 4 MX | 🔒 Secure |
| 2026-09-22 18:31:48 shown | 666ms | 2 NS 0 A 4 MX | 🔒 Secure |
| 2026-08-23 03:20:25 | 4893ms | 2 NS 0 A 4 MX | 🔒 Secure |
| 2026-08-16 17:26:31 | 707ms | 2 NS 0 A 4 MX | 🔒 Secure |
| 2026-07-01 12:10:43 | 691ms | 2 NS 0 A 4 MX | 🔒 Secure |
| 2026-06-27 08:43:05 | 666ms | 2 NS 0 A 4 MX | 🔒 Secure |
| 2026-06-21 09:58:07 | 1986ms | 2 NS 0 A 4 MX | 🔒 Secure |
| 2026-06-20 14:51:49 | 1138ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-16 12:33:51 | 1475ms | 2 NS 0 A 4 MX | 🔒 Secure |