pthomsen.dk is a .dk domain served by 2 nameservers (johnny.ns.cloudflare.com, natasha.ns.cloudflare.com). It was registered on 18 May 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.69.245 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx1.simplelogin.co, mx2.simplelogin.co. The zone is DNSSEC-signed and validates, publishes a 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 |
|---|---|---|---|---|---|---|---|
| 104.21.69.245 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.216.17 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 172.67.216.17 |
| 🔶 Autoconfig | 172.67.216.17 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3032::ac43:d811 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3034::6815:45f5 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.69.245,172.67.216.17 ech=AEX+DQBBGAAgACDWCkz7lxxS3fVqI7WJMBD/2lTea4dnmzlqHw697GLLNwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:d811,2606:4700:3034::6815:45f5 |
| TXT Record |
|---|
| sl-verification=svhslpzwhlqiinfdnuqxmdyceqtrgy |
| v=spf1 include:simplelogin.co ~all |
| Policy | Record (pthomsen.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:simplelogin.co ~all |
| Policy | Record (_dmarc.pthomsen.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; pct=100; adkim=s; aspf=s |
| www | 104.21.69.245 172.67.216.17 2606:4700:3032::ac43:d811 2606:4700:3034::6815:45f5 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network pthomsen.dk: 104.21.69.245 172.67.216.17 2606:4700:3032::ac43:d811 2606:4700:3034::6815:45f5 (AS13335) www.pthomsen.dk: 104.21.69.245 172.67.216.17 2606:4700:3032::ac43:d811 2606:4700:3034::6815:45f5 (AS13335) |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| dkim | dkim._domainkey.simplelogin.co | RSA · ~1024 bit below 2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 1/10 · policy: ~all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.simplelogin.co | DANE-TA · SPKI · SHA-256 | 8D02536C887482BC34FF54E41D2BA659… |
| SMTP _25._tcp.mx1.simplelogin.co | DANE-TA · SPKI · SHA-256 | E5545E211347241891C554A03934CDE9… |
| SMTP _25._tcp.mx1.simplelogin.co | DANE-EE · SPKI · SHA-256 | 6B56DC55058100C47BEF4BB8020D2A24… |
| SMTP _25._tcp.mx2.simplelogin.co | DANE-TA · SPKI · SHA-256 | 8D02536C887482BC34FF54E41D2BA659… |
| SMTP _25._tcp.mx2.simplelogin.co | DANE-TA · SPKI · SHA-256 | E5545E211347241891C554A03934CDE9… |
| SMTP _25._tcp.mx2.simplelogin.co | DANE-EE · SPKI · SHA-256 | 6B56DC55058100C47BEF4BB8020D2A24… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2409089201 |
| Primary NS (MNAME) | johnny.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | dns.services ApS |
| Registered | 2009-05-18 |
| Expires | 2027-05-31 (221d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-13 19:23:05 | 2169ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-10-08 12:15:27 | 994ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-10-01 05:51:55 | 1181ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-09-28 05:17:06 | 10118ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-09-25 11:14:29 | 957ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-09-24 11:10:17 | 996ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-09-21 23:53:02 | 1145ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-09-14 22:44:31 | 2017ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-08-29 14:00:57 | 1175ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-08-28 07:26:26 | 1070ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-08-27 07:30:45 | 753ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-08-26 07:29:02 | 1092ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-08-14 06:22:05 | 5732ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-08-07 18:20:20 | 1528ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-07-26 16:22:47 | 2081ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-07-11 14:14:05 shown | 1417ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-07-01 21:41:58 | 1356ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-06-17 17:11:02 | 1183ms | 2 NS 2 A 2 MX | 🔒 Secure |