sidselludvigsen.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It 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. Mail is handled by mx1.pub.mailpod10-cph3.one.com, mx2.pub.mailpod10-cph3.one.com and 2 more. The zone is DNSSEC-signed and validates, 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 |
|---|---|---|---|---|---|---|---|
| 77.111.241.122 | 3600s | webcluster2.wordpresspod2-cph3.one.com | AS51468 | One.com A/S | 77.111.240.0/22 | 🇩🇰 Denmark | Copenhagen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 10800s | mx1.pub.mailpod10-cph3.one.com | 104.37.34.70 | mx1.pub.mailpod10-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx2.pub.mailpod10-cph3.one.com | 104.37.34.71 | mx2.pub.mailpod10-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx3.pub.mailpod10-cph3.one.com | 104.37.34.72 | mx3.pub.mailpod10-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx4.pub.mailpod10-cph3.one.com | 104.37.34.73 | mx4.pub.mailpod10-cph3.one.com | AS51468 One.com A/S |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:104:80d3:e42d:7517:8c78 | 3600s | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 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 |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.pub.mailpod10-cph3.one.com | DANE-EE · SPKI · SHA-256 | 6F2F6668E559087AD0C5D55F223128E2… |
| SMTP _25._tcp.mx2.pub.mailpod10-cph3.one.com | DANE-EE · SPKI · SHA-256 | 6F2F6668E559087AD0C5D55F223128E2… |
| SMTP _25._tcp.mx3.pub.mailpod10-cph3.one.com | DANE-EE · SPKI · SHA-256 | 6F2F6668E559087AD0C5D55F223128E2… |
| SMTP _25._tcp.mx4.pub.mailpod10-cph3.one.com | DANE-EE · SPKI · SHA-256 | 6F2F6668E559087AD0C5D55F223128E2… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026091701 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-17 22:11:53 shown | 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 | 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 |
| 2026-06-26 15:16:50 | 631ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-23 20:50:12 | 1707ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-18 02:31:35 | 1520ms | 2 NS 1 A 4 MX | 🔒 Secure |