dersen.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 3 June 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.215.84 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx1.pub.mailpod6-cph3.one.com, mx2.pub.mailpod6-cph3.one.com and 1 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 |
|---|---|---|---|---|---|---|---|
| 46.30.215.84 | 3600s | webcluster1.webpod16-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.mailpod6-cph3.one.com | 185.164.14.70 | mx1.pub.mailpod6-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx2.pub.mailpod6-cph3.one.com | 185.164.14.71 | mx2.pub.mailpod6-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx3.pub.mailpod6-cph3.one.com | 185.164.14.72 | mx3.pub.mailpod6-cph3.one.com | AS51468 One.com A/S |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:111:a0:3f6b:2077:1b85 | 3600s | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| www | 46.30.215.84 2a02:2350:5:111:a0:3f6b:2077:1b85 (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network dersen.dk: 46.30.215.84 2a02:2350:5:111:a0:3f6b:2077:1b85 (AS51468) www.dersen.dk: 46.30.215.84 2a02:2350:5:111:a0:3f6b:2077:1b85 (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.mailpod6-cph3.one.com | DANE-EE · SPKI · SHA-256 | 8261C66B22D9B273F10789F44A352B56… |
| SMTP _25._tcp.mx2.pub.mailpod6-cph3.one.com | DANE-EE · SPKI · SHA-256 | 8261C66B22D9B273F10789F44A352B56… |
| SMTP _25._tcp.mx3.pub.mailpod6-cph3.one.com | DANE-EE · SPKI · SHA-256 | 8261C66B22D9B273F10789F44A352B56… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026100902 |
| 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 | ONE.COM A/S |
| Registered | 2004-06-03 |
| Expires | 2027-06-30 (255d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-10 08:54:27 shown | 448ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-10-09 02:18:28 | 821ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-10-05 21:53:03 | 3178ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-14 13:06:29 | 542ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-06 05:24:12 | 2511ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-05 03:58:18 | 561ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-10 15:46:10 | 3998ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-09 08:53:11 | 952ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-07-05 18:56:59 | 1175ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-26 13:28:18 | 675ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-26 09:58:30 | 6893ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-17 02:10:30 | 560ms | 2 NS 1 A 3 MX | 🔒 Secure |