offersen-christoffersen.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 13 December 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.215.191 is hosted by One.com A/S (AS51468) in Denmark. 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 46.30.215.191 | 3600s | webforward.webpod17-cph3.one.com | AS51468 | One.com A/S | 46.30.208.0/21 | 🇩🇰 Denmark | Copenhagen |
| 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 |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 46.30.215.191 |
| 🔶 Autoconfig | 46.30.215.191 |
| www | 104.21.70.52 172.67.220.2 2606:4700:3035::6815:4634 2606:4700:3036::ac43:dc02 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network offersen-christoffersen.dk: 104.21.70.52 172.67.220.2 2606:4700:3035::6815:4634 2606:4700:3036::ac43:dc02 (AS13335) www.offersen-christoffersen.dk: 104.21.70.52 172.67.220.2 2606:4700:3035::6815:4634 2606:4700:3036::ac43:dc02 (AS13335) |
| Wildcard | Yes: any name under the zone resolves |
| 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 | 2026041201 |
| 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 | PROCOPA IT ApS |
| Registered | 2019-12-13 |
| Expires | 2026-12-31 (69d) |
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 |
|---|---|
| oc-law.dk | PROCOPA IT ApS |
| oc-ret.dk | PROCOPA IT ApS |
| ocadvokater.dk | PROCOPA IT ApS |
| oclaw.dk | PROCOPA IT ApS |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 07:06:51 | 951ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-25 12:52:32 | 595ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-16 05:39:42 | 1072ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-08 04:51:43 | 3924ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-07-04 15:01:31 | 2718ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-26 01:13:03 | 900ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-24 03:32:41 shown | 763ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-23 00:57:30 | 688ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-19 22:18:58 | 577ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-17 12:14:26 | 1102ms | 2 NS 1 A 4 MX | 🔒 Secure |