castlesandculture.dk is a .dk domain served by 2 nameservers (ns6.sitnet.dk, ns7.sitnet.dk). It was registered on 2 October 2015 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 194.150.113.21 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mx01.dandomain.dk. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns6.sitnet.dk | 107.162.234.197 2604:e180:1071::3:1 |
— — |
AS55002 F5, Inc. AS55002 F5, Inc. |
| ns7.sitnet.dk | 107.162.176.221 2604:e180:1071::ffff:6ba2:b0dd |
— — |
AS55002 F5, Inc. AS55002 F5, Inc. |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 194.150.113.21 | 3600s | — | AS48854 | team.blue Denmark A/S | 194.150.112.0/22 | 🇩🇰 Denmark | Skanderborg |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mx01.dandomain.dk | 212.237.249.50 | mx1.dandomain.dk | AS48854 team.blue Denmark A/S |
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (castlesandculture.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.castlesandculture.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; sp=none; rua=mailto:tcod1eh2@ag.eu.dmarcadvisor.com; |
| www CNAME | castlesandculture.dk (all on castlesandculture.dk) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 10 iterations · 6-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| default | — | Revoked (empty key) |
| dkim | — | Revoked (empty key) |
| k1 | — | Revoked (empty key) |
| — | Revoked (empty key) | |
| s1 | — | Revoked (empty key) |
| s2 | — | Revoked (empty key) |
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: 0/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 4301 |
| Primary NS (MNAME) | ns6.sitnet.dk |
| Responsible (RNAME) | hostmaster@statens-it.dk |
| Refresh | 10800s |
| Retry | 1080s |
| Expire | 2419200s |
| Minimum (neg-cache TTL) | 300s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2015-10-02 |
| Expires | 2027-10-31 (373d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
Showing 100 of 112.
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-21 18:37:43 shown | 1141ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-20 08:47:13 | 3474ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-19 05:33:37 | 17571ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-18 05:03:43 | 1455ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-17 05:00:00 | 5567ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-17 04:41:53 | 3258ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-16 03:35:35 | 5292ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-15 03:10:25 | 5160ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-14 02:23:25 | 3215ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-12 20:02:46 | 3406ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-11 18:53:57 | 1486ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-10 17:48:55 | 9978ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-09 12:26:39 | 6349ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-08 11:20:11 | 11032ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-07 11:00:56 | 17243ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-06 09:30:13 | 2255ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-05 09:00:48 | 17777ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-04 08:52:38 | 3105ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-03 08:51:15 | 1328ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-02 08:50:48 | 3161ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-01 08:45:17 | 2054ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 08:36:48 | 3374ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-29 15:09:53 | 17402ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-28 14:58:26 | 17566ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-27 14:53:42 | 9255ms | 2 NS 1 A 1 MX | 🔒 Secure |