blaahue.dk is a .dk domain served by 3 nameservers (ns.efif.dk, ns2.efif.dk, ns3.efif.dk). It was registered on 8 September 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 217.195.191.78 is hosted by GlobalConnect A/S (AS31027) in Denmark. 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 |
|---|---|---|---|
| ns.efif.dk | 195.254.168.23 | ns.efif.dk | AS51073 Aarhus Business College |
| ns2.efif.dk | 195.254.168.12 | ns2.efif.dk | AS51073 Aarhus Business College |
| ns3.efif.dk | 20.23.170.35 | — | AS8075 Microsoft Corporation |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 217.195.191.78 | 86400s | — | AS31027 | GlobalConnect A/S | 217.195.176.0/20 | 🇩🇰 Denmark | — |
| www CNAME | blaahue.dk (all on blaahue.dk) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 50 iterations · 8-byte salt RFC 9276 recommends 0 iterations and no salt |
| 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 | 2010071884 |
| Primary NS (MNAME) | ns.efif.dk |
| Responsible (RNAME) | dns-zc@efif.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 2419200s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2011-09-08 |
| Expires | 2027-09-30 (348d) |
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 |
|---|---|---|---|
| 2026-10-16 21:27:17 | 1000ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-13 16:25:22 | 350ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-11 13:10:47 | 3166ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-06 03:51:48 | 671ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-05 03:50:36 | 1633ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-30 03:08:38 | 379ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-29 18:20:42 | 813ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-27 18:02:35 | 2588ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-26 12:51:13 | 7037ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-24 12:28:43 | 2756ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-21 04:21:16 | 2963ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-13 19:39:51 | 3905ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-09 15:59:49 | 682ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-04 10:36:54 | 717ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-01 15:57:10 | 841ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-28 04:22:17 | 2682ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-24 01:40:36 | 10530ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-21 22:22:57 | 2254ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-17 17:45:10 | 499ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-15 19:52:36 | 3581ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-10 20:56:15 | 3466ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-06 08:21:20 shown | 702ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-31 10:04:49 | 2611ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-24 10:26:55 | 2480ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-23 08:56:14 | 4577ms | 3 NS 1 A 0 MX | 🔒 Secure |