open-office.dk is a .dk domain served by 2 nameservers (abby.ns.cloudflare.com, mitchell.ns.cloudflare.com). It was registered on 5 June 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. The zone is not DNSSEC-signed, 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.
| www | 104.21.81.220 172.67.191.100 2606:4700:3032::ac43:bf64 2606:4700:3034::6815:51dc (AS13335) (address records, no CNAME) |
| www vs bare domain | Only www resolves open-office.dk: no address (all like this)www.open-office.dk: 104.21.81.220 172.67.191.100 2606:4700:3032::ac43:bf64 2606:4700:3034::6815:51dc (AS13335) |
| Wildcard | No |
| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.open-office.dk | KJfxW6YxtMaV5MHJ0ZMlikXq1iSly_XY4MVE4EgSlHU |
| TXT | _acme-challenge.open-office.dk | XX3ddt7-XgYIFNnnQp5KCT9pV9SfyOXn8WXMxRslGNw |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2417371918 |
| Primary NS (MNAME) | abby.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | ONE.COM A/S |
| Registered | 2025-06-05 |
| Expires | 2027-06-04 (219d) |
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).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-23 02:03:00 | 431ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-10-17 17:17:44 | 3790ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-10-16 15:45:57 shown | 1148ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-10-14 13:52:07 | 2339ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-10-13 13:02:47 | 2228ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-09-25 02:23:24 | 1115ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-09-07 05:18:48 | 451ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-08-27 21:13:25 | 466ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-08-15 20:43:12 | 832ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-07-28 16:29:16 | 795ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-07-03 00:25:24 | 788ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-25 07:27:31 | 752ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-23 20:30:24 | 692ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-19 22:46:59 | 8536ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-18 10:17:43 | 776ms | 2 NS 0 A 0 MX | 🔓 Insecure |