sidselludvigsen.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 4 November 2008 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.111.241.122 is hosted by One.com A/S (AS51468) in Denmark. 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 77.111.241.122 | 3600s | webcluster2.wordpresspod2-cph3.one.com | AS51468 | One.com A/S | 77.111.240.0/22 | 🇩🇰 Denmark | Copenhagen |
| www | 77.111.241.122 2a02:2350:5:104:80d3:e42d:7517:8c78 (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network sidselludvigsen.dk: 77.111.241.122 2a02:2350:5:104:80d3:e42d:7517:8c78 (AS51468) www.sidselludvigsen.dk: 77.111.241.122 2a02:2350:5:104:80d3:e42d:7517:8c78 (AS51468) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | ds=0 dnskey=0 |
| Field | Value |
|---|---|
| Serial | 2026071801 |
| 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 | 2008-11-04 |
| Expires | 2026-11-30 (38d) |
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 |
|---|---|---|---|
| 2026-10-21 03:48:27 | 949ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-10-21 02:20:07 | 1709ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-10-19 19:18:25 | 1444ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-17 22:11:53 | 860ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-22 13:49:58 | 9492ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-18 07:35:06 | 8856ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-06 05:39:49 | 1180ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-02 07:13:44 | 1087ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-28 01:16:09 | 8841ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-27 00:50:30 | 2763ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-26 00:39:24 | 2780ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-25 00:08:22 | 957ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-23 23:03:09 | 2019ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-22 22:40:50 | 915ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-20 16:27:09 | 908ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-18 13:20:41 shown | 18788ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-07-17 02:07:59 | 907ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-15 17:55:13 | 16932ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-11 18:22:07 | 913ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-10 13:50:19 | 1740ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-09 04:37:49 | 1770ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-05 19:42:52 | 1156ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-03 11:53:12 | 687ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-28 18:40:33 | 886ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-26 18:38:34 | 703ms | 2 NS 1 A 4 MX | 🔒 Secure |