arnum-net.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 46.30.213.24 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx1.pub.mailpod9-cph3.one.com, mx2.pub.mailpod9-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 this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns01.one.com | — | — | — |
| ns02.one.com | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 46.30.213.24 | — | webcluster1.webpod12-cph3.one.com | AS51468 | One.com A/S | 46.30.208.0/21 | 🇩🇰 Denmark | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:10a:c4:2cf:d84a:3496 | — | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| www | 46.30.213.24 2a02:2350:5:10a:c4:2cf:d84a:3496 (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network arnum-net.dk: 46.30.213.24 2a02:2350:5:10a:c4:2cf:d84a:3496 (AS51468) www.arnum-net.dk: 46.30.213.24 2a02:2350:5:10a:c4:2cf:d84a:3496 (AS51468) |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.pub.mailpod9-cph3.one.com | DANE-EE · SPKI · SHA-256 | 5D2162F5CED0ACD2C3D63E5582045A6C… |
| SMTP _25._tcp.mx2.pub.mailpod9-cph3.one.com | DANE-EE · SPKI · SHA-256 | 5D2162F5CED0ACD2C3D63E5582045A6C… |
| SMTP _25._tcp.mx3.pub.mailpod9-cph3.one.com | DANE-EE · SPKI · SHA-256 | 5D2162F5CED0ACD2C3D63E5582045A6C… |
| SMTP _25._tcp.mx4.pub.mailpod9-cph3.one.com | DANE-EE · SPKI · SHA-256 | 5D2162F5CED0ACD2C3D63E5582045A6C… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026042505 |
| 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 |
|---|---|---|---|
| 2026-09-30 15:01:58 | 602ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-27 17:15:12 | 617ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-24 05:14:01 | 3527ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-26 04:49:34 | 17032ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-02 10:42:40 | 9672ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-24 11:48:02 | 3886ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-23 05:04:38 | 2001ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-20 06:36:22 | 862ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-16 13:40:28 shown | 1094ms | 2 NS 1 A 4 MX | 🔒 Secure |