erhvervsakademiårhus.dk is a .dk domain served by 3 nameservers (ns.efif.dk, ns2.efif.dk, ns3.efif.dk). It was registered on 1 July 2008 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. 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.
| 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 |
| TXT Record |
|---|
| Aarhus Koebmandsskole |
| www | NXDOMAIN |
| www vs bare domain | Neither resolves erhvervsakademiårhus.dk: no address www.erhvervsakademiårhus.dk: no address |
| 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 | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2010071903 |
| 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 | 2008-07-01 |
| Expires | 2027-07-31 (282d) |
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 20:51:39 shown | 394ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-13 13:16:06 | 334ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-11 10:18:31 | 325ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-08 22:41:16 | 442ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-06 02:30:37 | 1429ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-05 02:23:53 | 4639ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-30 01:47:03 | 377ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-26 13:12:16 | 1543ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-24 12:48:42 | 1501ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-23 12:20:28 | 1648ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-10 01:29:29 | 498ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-04 15:29:47 | 377ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-27 07:15:40 | 2917ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-23 19:27:32 | 1289ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-21 18:03:56 | 5642ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-16 22:38:13 | 2744ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-15 21:38:36 | 4504ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-10 06:28:52 | 3104ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-06 11:20:40 | 6624ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-01 04:58:52 | 2886ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-07-25 05:53:45 | 11828ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-07-24 05:27:27 | 4566ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-07-21 22:47:40 | 2439ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-07-18 13:56:28 | 3618ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-07-16 09:31:26 | 2397ms | 3 NS 0 A 0 MX | 🔒 Secure |