byggerietslederuddannelse.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 1 December 2006 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 80.92.65.188 is hosted by Datacenter Luxembourg S.A. (AS24611) in Luxembourg. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. 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 |
|---|---|---|---|
| ns1.eurodns.com | — | — | — |
| ns2.eurodns.com | — | — | — |
| ns3.eurodns.com | — | — | — |
| ns4.eurodns.com | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 80.92.65.188 | — | 80-92-65-188.ip.dclux.com | AS24611 | Datacenter Luxembourg S.A. | 80.92.64.0/19 | 🇱🇺 Luxembourg | Luxembourg |
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (byggerietslederuddannelse.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| www | 80.92.65.188 (AS24611) (address records, no CNAME) |
| www vs bare domain | Same network byggerietslederuddannelse.dk: 80.92.65.188 (AS24611) www.byggerietslederuddannelse.dk: 80.92.65.188 (AS24611) |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 0/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2021032835 |
| 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 | 2006-12-01 |
| Expires | 2026-12-31 (69d) |
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).
Showing 100 of 265.
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-21 06:23:04 | 638ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-19 13:39:47 | 1207ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-18 13:20:11 | 1232ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-08 00:51:06 | 570ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-30 21:13:27 | 1400ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-29 20:58:57 | 791ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-24 20:08:01 | 688ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-19 10:01:40 | 795ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-12 07:40:39 | 941ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-01 15:49:04 | 793ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-27 14:02:07 | 9744ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-24 17:58:50 | 722ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-23 04:27:32 | 8668ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-07 08:08:38 | 1625ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-06 01:33:53 | 1088ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-20 05:05:15 | 951ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-19 01:01:07 | 1473ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-17 23:35:01 | 8709ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-01 12:22:57 | 833ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-16 18:15:05 shown | 492ms | 4 NS 1 A 0 MX | 🔒 Secure |