skolen-online.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 9 August 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.47.247.18 is hosted by One.com A/S (AS51468). Mail is handled by mx2.pub.mailpod8-cph3.one.com, mx3.pub.mailpod8-cph3.one.com. 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 |
|---|---|---|---|---|---|---|---|
| 195.47.247.18 | 3600s | one.com.webforward.g1i.one | AS51468 | One.com A/S | 195.47.247.0/24 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 10800s | mx2.pub.mailpod8-cph3.one.com | 185.164.14.103 | mx2.pub.mailpod8-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx3.pub.mailpod8-cph3.one.com | 185.164.14.104 | mx3.pub.mailpod8-cph3.one.com | AS51468 One.com A/S |
| TXT Record |
|---|
| MS=ms86036759 |
| www | 195.47.247.18 (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 |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx2.pub.mailpod8-cph3.one.com | DANE-EE · SPKI · SHA-256 | E7531AB55E1935413AA5EC5366CF909D… |
| SMTP _25._tcp.mx3.pub.mailpod8-cph3.one.com | DANE-EE · SPKI · SHA-256 | E7531AB55E1935413AA5EC5366CF909D… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026101205 |
| 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 | 2019-08-09 |
| Expires | 2027-08-31 (312d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-13 13:14:49 shown | 999ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-12 01:39:48 | 1303ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-07 14:53:27 | 437ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-07 09:34:13 | 657ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-06 02:00:10 | 1624ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-10-04 01:41:33 | 513ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-13 23:36:25 | 6317ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-20 08:38:19 | 2326ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-17 22:14:49 | 636ms | 2 NS 1 A 3 MX | 🔒 Secure |