digitalundervisning.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 19 November 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.211.38 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by imap.one.com. The zone is DNSSEC-signed and validates, publishes a 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 |
|---|---|---|---|---|---|---|---|
| 46.30.211.38 | 600s | domain-parking.one.com | AS51468 | One.com A/S | 46.30.208.0/21 | 🇩🇰 Denmark | Copenhagen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 3600s | imap.one.com | 46.30.211.110 46.30.211.111 |
imap.one.com imap.one.com |
AS51468 One.com A/S AS51468 One.com A/S |
| TXT Record |
|---|
| v=spf1 ip4:45.84.100.20 include:mysmtp5.com +mx include:dedicated.mysmtp.com ~all |
| Policy | Record (digitalundervisning.dk) |
|---|---|
| ~all (soft fail) | v=spf1 ip4:45.84.100.20 include:mysmtp5.com +mx include:dedicated.mysmtp.com ~all |
| Policy | Record (_dmarc.digitalundervisning.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; sp=reject; adkim=r; aspf=r; rua=mailto:dmarc@mindzeed.com; pct=100; ri=86400 |
| www | 46.30.211.38 (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 11/10 · policy: ~all
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026101901 |
| 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 | ONE.COM A/S |
| Registered | 2025-11-19 |
| Expires | 2026-11-18 (28d) |
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).
| Domain | Registrar |
|---|---|
| din-kommune.dk | Punktum dk A/S (direct) |
| fantastiske-gaver.dk | Punktum dk A/S (direct) |
| feriep.dk | ONE.COM A/S |
| rnitid.dk | Punktum dk A/S (direct) |
| safeurl.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-20 16:37:02 shown | 375ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-28 19:19:52 | 646ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-23 17:49:48 | 539ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-05 08:26:32 | 418ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-28 07:52:38 | 440ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-01 12:48:23 | 4494ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-28 15:32:51 | 2403ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-27 23:12:14 | 1654ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-24 16:11:57 | 484ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-20 07:37:54 | 424ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 02:55:55 | 530ms | 2 NS 1 A 0 MX | 🔒 Secure |