højskolernesforlag.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 26 May 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 91.221.196.226 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by web7.netplads.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 |
|---|---|---|---|---|---|---|---|
| 91.221.196.226 | 3600s | — | AS51468 | One.com A/S | 91.221.196.0/23 | 🇩🇰 Denmark | Copenhagen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | web7.netplads.dk | 91.221.196.226 | — | AS51468 One.com A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 91.221.196.226 |
| 🔶 Autoconfig | 91.221.196.226 |
| www | 91.221.196.226 (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | ncache nxdomain overridden by dig AD |
| Field | Value |
|---|---|
| Serial | 2026101701 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2020-05-26 |
| Expires | 2028-05-31 (588d) |
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 |
|---|---|---|---|
| 2026-10-18 20:01:29 shown | 2051ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-12 11:16:18 | 613ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-08 07:56:32 | 477ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-24 18:45:00 | 2509ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-23 13:57:48 | 568ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-02 16:40:56 | 2456ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-20 21:52:35 | 1734ms | 2 NS 1 A 1 MX | ⚠️ Bogus |
| 2026-06-17 15:36:28 | 248ms | 0 NS 0 A 0 MX | 🔒 Secure |