offersen-christoffersen.dk is a .dk domain served by 2 nameservers (joaquin.ns.cloudflare.com, lucy.ns.cloudflare.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 104.21.70.52 is hosted by Cloudflare, Inc. (AS13335). The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.70.52 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.220.2 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 104.21.70.52 |
| 🔶 Autoconfig | 104.21.70.52 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3035::6815:4634 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3036::ac43:dc02 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.70.52,172.67.220.2 ech=AEX+DQBBHgAgACD18ly7G1p1IulJTZT11QctS3vZ3BZkouIrD0fBAfHgLwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:4634,2606:4700:3036::ac43:dc02 |
| 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 |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2413886117 |
| Primary NS (MNAME) | joaquin.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | PROCOPA IT ApS |
| Registered | 2019-12-13 |
| Expires | 2026-12-31 (68d) |
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 shown | 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 | 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 |