byforum.dk is a .dk domain served by 2 nameservers (ns1-auth.csc.dk, ns2-auth.csc.dk). It was registered on 10 September 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mail2.sdn.dk. The zone is not DNSSEC-signed, 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.
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 28800s | mail2.sdn.dk | 147.29.40.17 | mail2.sdn.dk | AS29156 DXC Technology Danmark A/S |
| TXT Record |
|---|
| Boligministeriet |
| www | 147.29.40.199 (AS29156) (address records, no CNAME) |
| www vs bare domain | Only www resolves (all like this) |
| Wildcard | No |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2025091002 |
| Primary NS (MNAME) | ns-master.csc.dk |
| Responsible (RNAME) | hostmaster@csc.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 2419200s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 1999-09-10 |
| Expires | 2027-08-31 (318d) |
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).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 21:16:22 shown | 568ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-25 18:08:25 | 509ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-18 14:00:43 | 9443ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-08-25 21:46:43 | 585ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-19 14:11:34 | 820ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-16 18:11:04 | 2988ms | 2 NS 0 A 1 MX | 🔓 Insecure |