byggeguiden.dk is a .dk domain served by 4 nameservers (ns1.eurodns.com, ns2.eurodns.com, ns3.eurodns.com and 1 more). It was registered on 7 May 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 194.192.14.137 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by mail.byggeguiden.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 |
|---|---|---|---|---|---|---|---|
| 194.192.14.137 | 3600s | — | AS3292 | TDC Holding A/S | 194.192.0.0/16 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mail.byggeguiden.dk | 87.60.196.45 | — | AS3292 TDC Holding A/S |
| 20 | 3600s | backup-mx.post.tele.dk | — | — | — |
| www CNAME | byggeguiden.dk (all on byggeguiden.dk) → 194.192.14.137 (AS3292) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| 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 | 2025072381 |
| Primary NS (MNAME) | ns1.eurodns.com |
| Responsible (RNAME) | hostmaster@eurodns.com |
| Refresh | 43200s |
| Retry | 7200s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | Eurodns S.A |
| Registered | 2002-05-07 |
| Expires | 2027-06-30 (253d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 09:31:04 shown | 3178ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-06 06:58:59 | 845ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-05 06:53:22 | 2553ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-25 05:36:16 | 2453ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-22 15:47:36 | 1039ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-30 10:06:46 | 568ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-29 09:14:05 | 590ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-27 04:51:53 | 728ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-11 17:06:40 | 2869ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-10 04:30:23 | 3807ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-25 02:54:03 | 1046ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-22 22:59:08 | 16845ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-06 15:38:18 | 5187ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-05 00:03:45 | 9851ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-03 19:19:22 | 3034ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-23 05:15:33 | 1087ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-18 16:02:27 | 4291ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-16 18:15:43 | 2618ms | 4 NS 1 A 2 MX | 🔒 Secure |