klimaerhvervsskole.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 6 December 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 178.20.217.251 is hosted by Atea A/S (AS21060) in Denmark. Mail is handled by .. 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 |
|---|---|---|---|---|---|---|---|
| 178.20.217.251 | 600s | vps2.simpledigital.dk | AS21060 | Atea A/S | 178.20.216.0/23 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 300s | . Null MX — domain accepts no email (RFC 7505) | |||
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 178.20.217.251 |
| 🔶 Autoconfig | 178.20.217.251 |
| www | 178.20.217.251 (AS21060) (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 | fully validated |
| Field | Value |
|---|---|
| Serial | 2026101201 |
| 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 | 2021-12-06 |
| Expires | 2026-12-05 (46d) |
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 |
|---|---|---|---|
| 2026-10-12 08:54:51 shown | 712ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 23:02:31 | 13325ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-11 10:31:30 | 681ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-04 22:53:15 | 2559ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-13 19:25:41 | 4641ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-11 05:41:14 | 4818ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-13 23:47:57 | 687ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-18 06:19:36 | 615ms | 2 NS 1 A 0 MX | 🔒 Secure |