sedirk.dk is a .dk domain served by 2 nameservers (fatima.ns.cloudflare.com, ryan.ns.cloudflare.com). It was registered on 4 February 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.30.100 is hosted by Cloudflare, Inc. (AS13335). The zone is DNSSEC-signed and validates, has no DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|---|---|---|---|
| 104.21.30.100 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.172.187 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 104.21.30.100 |
| 🔶 Autoconfig | 104.21.30.100 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a06:98c1:3120::1 | 300s | — | AS13335 | Cloudflare, Inc. | 2a06:98c1:3120:0:0:0:0:0/46 | — | — |
| 2a06:98c1:3121::1 | 300s | — | AS13335 | Cloudflare, Inc. | 2a06:98c1:3120:0:0:0:0:0/46 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.30.100,172.67.172.187 ech=AEX+DQBBUAAgACBa66AzOrbcmcqVBFvZHtT8l/7NQs9XOgWT1bOZyXP9LQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:1e64,2606:4700:3035::ac43:acbb |
| www | 104.21.30.100 172.67.172.187 2606:4700:3031::6815:1e64 2606:4700:3035::ac43:acbb (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network sedirk.dk: 104.21.30.100 172.67.172.187 2a06:98c1:3120::1 2a06:98c1:3121::1 (AS13335) www.sedirk.dk: 104.21.30.100 172.67.172.187 2606:4700:3031::6815:1e64 2606:4700:3035::ac43:acbb (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 |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2418499493 |
| Primary NS (MNAME) | fatima.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2003-02-04 |
| Expires | 2027-02-28 (123d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-28 06:08:33 shown | 437ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-10-27 01:40:38 | 2164ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-10-08 08:54:51 | 493ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-10-03 09:37:29 | 3356ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-09-28 09:02:38 | 587ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-09-23 22:59:10 | 715ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-09-12 11:24:54 | 1093ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-09-07 18:45:13 | 1027ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-08-15 15:52:18 | 3314ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-07-23 06:34:55 | 9345ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-07-22 03:16:18 | 948ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-06-30 03:17:37 | 804ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-06-24 06:08:24 | 1020ms | 2 NS 2 A 0 MX | ⚠️ Bogus |
| 2026-06-18 00:00:05 | 991ms | 2 NS 2 A 0 MX | 🔒 Secure |