skoleklasse.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 5 January 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.111.240.191 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx1.pub.mailpod11-cph3.one.com, mx2.pub.mailpod11-cph3.one.com and 2 more. 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 |
|---|---|---|---|---|---|---|---|
| 77.111.240.191 | 3600s | webcluster2.webpod11-cph3.one.com | AS51468 | One.com A/S | 77.111.240.0/22 | 🇩🇰 Denmark | Copenhagen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 10800s | mx1.pub.mailpod11-cph3.one.com | 104.37.34.230 | mx1.pub.mailpod11-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx2.pub.mailpod11-cph3.one.com | 104.37.34.231 | mx2.pub.mailpod11-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx3.pub.mailpod11-cph3.one.com | 104.37.34.232 | mx3.pub.mailpod11-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx4.pub.mailpod11-cph3.one.com | 104.37.34.233 | mx4.pub.mailpod11-cph3.one.com | AS51468 One.com A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 77.111.240.191 |
| 🔶 Autoconfig | 77.111.240.191 |
| www | 77.111.240.191 (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 |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 24F573980561755185B794745411B05D… |
| SMTP _25._tcp.mx2.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 24F573980561755185B794745411B05D… |
| SMTP _25._tcp.mx3.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 24F573980561755185B794745411B05D… |
| SMTP _25._tcp.mx4.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 24F573980561755185B794745411B05D… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026092001 |
| 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 | 2020-01-05 |
| Expires | 2027-01-31 (105d) |
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 |
|---|---|---|---|
| 2026-10-08 04:22:18 shown | 588ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-30 13:39:54 | 857ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-29 16:17:19 | 567ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-25 07:35:43 | 756ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-23 15:07:34 | 715ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-02 06:34:43 | 693ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-27 05:53:16 | 723ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-26 20:55:51 | 1674ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-24 04:42:31 | 1037ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-24 02:59:37 | 1033ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 13:40:03 | 7547ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-17 11:43:35 | 1131ms | 2 NS 1 A 4 MX | 🔒 Secure |