froerupskolen.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.42.65 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mx1.pub.mailpod13-cph3.one.com, mx2.pub.mailpod13-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 |
|---|---|---|---|---|---|---|---|
| 185.21.42.65 | 3600s | vm1379.enterprisecloud.nu | AS48854 | team.blue Denmark A/S | 185.21.40.0/22 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 10800s | mx1.pub.mailpod13-cph3.one.com | 185.10.9.42 | mx1.pub.mailpod13-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx2.pub.mailpod13-cph3.one.com | 185.10.9.43 | mx2.pub.mailpod13-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx3.pub.mailpod13-cph3.one.com | 185.10.9.44 | mx3.pub.mailpod13-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx4.pub.mailpod13-cph3.one.com | 185.10.9.45 | mx4.pub.mailpod13-cph3.one.com | AS51468 One.com A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 185.21.42.65 |
| 🔶 Autoconfig | 185.21.42.65 |
| www | 185.21.42.65 (AS48854) (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.mailpod13-cph3.one.com | DANE-EE · SPKI · SHA-256 | BE8C554E6A2A9BFE9F87080F0AE71BAD… |
| SMTP _25._tcp.mx2.pub.mailpod13-cph3.one.com | DANE-EE · SPKI · SHA-256 | BE8C554E6A2A9BFE9F87080F0AE71BAD… |
| SMTP _25._tcp.mx3.pub.mailpod13-cph3.one.com | DANE-EE · SPKI · SHA-256 | BE8C554E6A2A9BFE9F87080F0AE71BAD… |
| SMTP _25._tcp.mx4.pub.mailpod13-cph3.one.com | DANE-EE · SPKI · SHA-256 | BE8C554E6A2A9BFE9F87080F0AE71BAD… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026101401 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 18:51:53 shown | 512ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-23 16:51:18 | 852ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-19 05:31:15 | 760ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-28 02:45:08 | 676ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-23 05:29:45 | 6888ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-15 12:24:07 | 8976ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-23 04:24:48 | 1002ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-14 17:15:02 | 1142ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-27 00:34:25 | 755ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-24 18:57:05 | 694ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-24 08:13:23 | 1172ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-22 02:53:22 | 559ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-18 21:40:34 | 12663ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-17 09:34:49 | 837ms | 2 NS 1 A 4 MX | 🔒 Secure |