arbejdsforum.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 28 October 2005 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 87.59.154.218 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by mail.arbejdsforum.dk, backup-mx.post.tele.dk. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. 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 |
|---|---|---|---|---|---|---|---|
| 87.59.154.218 | 43200s | 87-59-154-218-static.dk.customer.tdc.net | AS3292 | TDC Holding A/S | 87.59.0.0/16 | 🇩🇰 Denmark | Roskilde |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 43200s | mail.arbejdsforum.dk | 87.59.154.218 | 87-59-154-218-static.dk.customer.tdc.net | AS3292 TDC Holding A/S |
| 20 | 43200s | backup-mx.post.tele.dk | 80.160.77.115 | backup-mx2.post.tele.dk | AS3292 TDC Holding A/S |
| www | 87.59.154.218 (AS3292) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026092401 |
| 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 | 2005-10-28 |
| Expires | 2026-10-31 (13d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 20:28:45 shown | 2508ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-25 02:25:49 | 543ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-24 01:22:09 | 597ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-28 05:49:07 | 671ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-26 22:53:15 | 698ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-25 10:16:56 | 16887ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-16 19:05:55 | 733ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-25 08:53:58 | 8853ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-30 19:44:47 | 903ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-21 06:54:58 | 927ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-20 20:16:38 | 1158ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-18 13:04:50 | 2467ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-16 13:38:33 | 755ms | 2 NS 1 A 2 MX | 🔒 Secure |