cryptography.dk is a .dk domain served by 2 nameservers (ns1.desec.io, ns2.desec.org). It was registered on 26 March 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 213.32.245.165 is hosted by Hiper A/S (AS203953) in Denmark. The zone is DNSSEC-signed and validates, has no 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.desec.io | — | — | — |
| ns2.desec.org | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 213.32.245.165 | — | xd520f5a5.customers.hiper-net.dk | AS203953 | Hiper A/S | 213.32.240.0/21 | 🇩🇰 Denmark | — |
| Flags | Tag | Value |
|---|---|---|
| 0 | issue | letsencrypt.org |
| www CNAME | cryptography.dk (all on cryptography.dk) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 2 CDS, 1 CDNSKEY |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2022024350 |
| Primary NS (MNAME) | get.desec.io |
| Responsible (RNAME) | get@desec.io |
| Refresh | 86400s |
| Retry | 3600s |
| Expire | 2419200s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2003-03-26 |
| Expires | 2030-03-31 (1258d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-16 10:21:59 | 769ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-08 19:19:16 | 3430ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-07 19:14:11 | 541ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-01 20:08:44 | 1973ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-30 19:47:45 | 726ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-26 14:51:13 | 722ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-24 12:04:32 | 681ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-19 05:46:35 | 908ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-16 04:31:45 | 1221ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-08 09:40:03 | 1079ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-05 02:57:47 | 986ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-01 21:55:29 | 9570ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-28 01:44:10 | 717ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-20 19:40:17 | 878ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-15 23:28:24 | 2522ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-14 12:12:09 | 1706ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-06 20:36:20 | 930ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-03 13:38:45 | 1247ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-23 09:33:05 | 990ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-17 00:37:56 | 908ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-10 17:50:58 | 3046ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-03 13:59:15 | 5535ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-26 10:42:31 | 635ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-20 23:24:27 | 1125ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-16 23:19:43 | 1243ms | 2 NS 1 A 0 MX | 🔒 Secure |