constructionhub.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 27 October 2015 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. The zone is DNSSEC-signed and validates, publishes a 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.
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (constructionhub.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.constructionhub.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:dmpbc08j@ag.eu.dmarcadvisor.com; ruf=mailto:dmpbc08j@fr.eu.dmarcadvisor.com |
| www | Exists, no address |
| www vs bare domain | Neither resolves constructionhub.dk: no address www.constructionhub.dk: no address |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| 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 | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2022081367 |
| 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 | 2015-10-27 |
| Expires | 2027-10-31 (370d) |
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 139.
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-21 23:37:33 | 1077ms | 4 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-04 00:57:30 | 813ms | 4 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-02 00:54:27 shown | 700ms | 4 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-21 06:09:12 | 656ms | 4 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-19 00:29:56 | 764ms | 4 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-27 23:06:49 | 518ms | 4 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-26 16:40:25 | 579ms | 4 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-08 20:42:18 | 1006ms | 4 NS 0 A 0 MX | 🔒 Secure |
| 2026-07-23 18:53:19 | 8722ms | 4 NS 0 A 0 MX | 🔒 Secure |
| 2026-07-21 15:37:31 | 2617ms | 4 NS 0 A 0 MX | 🔒 Secure |
| 2026-07-20 15:18:34 | 719ms | 4 NS 0 A 0 MX | 🔒 Secure |
| 2026-07-03 11:24:15 | 880ms | 4 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-21 16:54:56 | 401ms | 4 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-20 21:11:55 | 1171ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 05:20:41 | 487ms | 4 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-16 22:05:21 | 370ms | 4 NS 0 A 0 MX | 🔒 Secure |