cpdse.dk is a .dk domain served by 3 nameservers (ns1.sdu.dk, ns2.sdu.dk, ns3.sdu.dk). It was registered on 10 June 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.199.108.153 is hosted by Fastly, Inc. (AS54113) in United States. Mail is handled by mail.protonmail.ch, mailsec.protonmail.ch. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. 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.
| TXT Record |
|---|
| protonmail-verification=03a3974164909c6898745723e367846a39b16464 |
| v=spf1 include:_spf.protonmail.ch include:_spf.sdu.dk -all |
| Policy | Record (cpdse.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:_spf.protonmail.ch include:_spf.sdu.dk -all |
| Policy | Record (_dmarc.cpdse.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; sp=reject; |
| www CNAME | cpdse.dk (all on cpdse.dk) |
| www vs bare domain | Same network cpdse.dk: 185.199.108.153 185.199.109.153 185.199.110.153 185.199.111.153 (AS54113) www.cpdse.dk: 185.199.108.153 185.199.109.153 185.199.110.153 185.199.111.153 (AS54113) |
| Wildcard | No |
| Denial of existence | NSEC3 · 10 iterations · 7-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 7/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mail.protonmail.ch | DANE-EE · SPKI · SHA-256 | 6111A5698D23C89E09C36FF833C1487E… |
| SMTP _25._tcp.mail.protonmail.ch | DANE-EE · SPKI · SHA-256 | 76BB66711DA416433CA890A5B2E5A053… |
| SMTP _25._tcp.mailsec.protonmail.ch | DANE-EE · SPKI · SHA-256 | 76BB66711DA416433CA890A5B2E5A053… |
| SMTP _25._tcp.mailsec.protonmail.ch | DANE-EE · SPKI · SHA-256 | 6111A5698D23C89E09C36FF833C1487E… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 599 |
| Primary NS (MNAME) | ns1.sdu.dk |
| Responsible (RNAME) | dns@sdu.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 2419200s |
| Minimum (neg-cache TTL) | 900s |
| Field | Value |
|---|---|
| Registrar | dns.services ApS |
| Registered | 2025-06-10 |
| Expires | 2027-06-09 (234d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-13 00:25:06 | 16765ms | 3 NS 4 A 2 MX | 🔒 Secure |
| 2026-10-10 19:56:10 | 16806ms | 3 NS 4 A 2 MX | 🔒 Secure |
| 2026-10-09 18:20:19 | 4608ms | 3 NS 4 A 2 MX | 🔒 Secure |
| 2026-10-05 16:02:20 | 17505ms | 3 NS 4 A 2 MX | 🔒 Secure |
| 2026-10-04 15:58:24 | 17269ms | 3 NS 4 A 2 MX | 🔒 Secure |
| 2026-10-02 15:52:51 | 16922ms | 3 NS 4 A 2 MX | 🔒 Secure |
| 2026-10-01 15:50:38 | 20824ms | 3 NS 4 A 2 MX | 🔒 Secure |
| 2026-09-29 15:26:22 shown | 9334ms | 3 NS 4 A 2 MX | 🔒 Secure |
| 2026-09-28 08:55:04 | 17480ms | 3 NS 4 A 2 MX | 🔒 Secure |
| 2026-09-27 08:26:29 | 17131ms | 3 NS 4 A 2 MX | 🔒 Secure |
| 2026-09-26 08:13:31 | 16881ms | 3 NS 4 A 2 MX | 🔒 Secure |
| 2026-09-25 07:56:08 | 17092ms | 3 NS 4 A 2 MX | 🔒 Secure |
| 2026-09-24 07:42:57 | 16914ms | 3 NS 4 A 2 MX | 🔒 Secure |
| 2026-09-23 06:11:01 | 17176ms | 3 NS 4 A 2 MX | 🔒 Secure |
| 2026-09-19 07:13:30 | 4790ms | 3 NS 4 A 2 MX | 🔒 Secure |
| 2026-09-12 05:14:16 | 7264ms | 3 NS 4 A 2 MX | 🔒 Secure |
| 2026-09-03 15:27:56 | 16740ms | 3 NS 4 A 2 MX | 🔒 Secure |
| 2026-08-25 19:28:54 | 19966ms | 3 NS 4 A 2 MX | 🔒 Secure |
| 2026-08-24 18:22:19 | 7156ms | 3 NS 4 A 2 MX | 🔒 Secure |
| 2026-08-23 07:34:20 | 5085ms | 3 NS 4 A 2 MX | 🔒 Secure |
| 2026-08-18 02:44:02 | 6589ms | 3 NS 4 A 2 MX | 🔒 Secure |
| 2026-08-17 00:58:34 | 6469ms | 3 NS 4 A 2 MX | 🔒 Secure |
| 2026-08-14 21:58:54 | 5075ms | 3 NS 4 A 2 MX | 🔒 Secure |
| 2026-08-10 16:36:07 | 5121ms | 3 NS 4 A 2 MX | 🔒 Secure |
| 2026-08-03 11:52:35 | 8965ms | 3 NS 4 A 2 MX | 🔒 Secure |