professionaldoubt.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 10 August 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.111.240.184 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx1.pub.mailpod9-cph3.one.com, mx2.pub.mailpod9-cph3.one.com and 2 more. The zone is DNSSEC-signed but currently fails validation, has no DMARC policy and is reachable over IPv6. Below are all of its DNS records from this 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 |
|---|---|---|---|---|---|---|---|
| 77.111.240.184 | — | webcluster57.webpod11-cph3.one.com | AS51468 | One.com A/S | 77.111.240.0/22 | 🇩🇰 Denmark | Copenhagen |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 77.111.240.184 |
| 🔶 Autoconfig | 77.111.240.184 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:102:80c4:cf65:56db:d45d | — | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| www | 77.111.240.184 2a02:2350:5:102:80c4:cf65:56db:d45d (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network professionaldoubt.dk: 77.111.240.184 2a02:2350:5:102:80c4:cf65:56db:d45d (AS51468) www.professionaldoubt.dk: 77.111.240.184 2a02:2350:5:102:80c4:cf65:56db:d45d (AS51468) |
| 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.mailpod9-cph3.one.com | DANE-EE · SPKI · SHA-256 | 5D2162F5CED0ACD2C3D63E5582045A6C… |
| SMTP _25._tcp.mx2.pub.mailpod9-cph3.one.com | DANE-EE · SPKI · SHA-256 | 5D2162F5CED0ACD2C3D63E5582045A6C… |
| SMTP _25._tcp.mx3.pub.mailpod9-cph3.one.com | DANE-EE · SPKI · SHA-256 | 5D2162F5CED0ACD2C3D63E5582045A6C… |
| SMTP _25._tcp.mx4.pub.mailpod9-cph3.one.com | DANE-EE · SPKI · SHA-256 | 5D2162F5CED0ACD2C3D63E5582045A6C… |
| Check | Result |
|---|---|
| Validation Status | ⚠️ Bogus |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | broken trust chain resolving 'professionaldoubt.dk/DNSKEY/IN': 127.0.0.1#53 |
| Field | Value |
|---|---|
| Serial | 2026052501 |
| 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 | 2020-08-10 |
| Expires | 2027-08-31 (317d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-24 00:16:29 | 721ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-09-10 11:35:25 | 6546ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-09-08 22:39:26 | 848ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-09-04 07:48:18 | 606ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-08-31 23:50:23 | 646ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-07-03 19:31:44 | 739ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-07-02 01:32:19 | 655ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-06-28 06:48:03 | 1425ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-06-22 18:31:00 | 761ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-06-20 03:41:49 | 769ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-06-17 22:55:54 shown | 889ms | 2 NS 1 A 4 MX | ⚠️ Bogus |