castlewok.dk is a .dk domain served by 2 nameservers (fred.ns.cloudflare.com, tegan.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 51.89.105.1 is hosted by OVH SAS (AS16276) in United Kingdom. Mail is handled by mx.simply.com. The zone is not DNSSEC-signed, has no 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 51.89.105.1 | 1800s | web-01.iconic.dk | AS16276 | OVH SAS | 51.89.0.0/16 | 🇬🇧 United Kingdom | London |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | mx.simply.com | 94.231.106.20 | mx.simply.com | AS48854 team.blue Denmark A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 172.67.191.131 |
| 🔶 Autoconfig | 104.21.51.233 |
| TXT Record |
|---|
| v=spf1 include:spf.simply.com -all |
| Policy | Record (castlewok.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.simply.com -all |
| www | 104.21.51.233 172.67.191.131 2606:4700:3033::6815:33e9 2606:4700:3035::ac43:bf83 (AS13335) (address records, no CNAME) |
| www vs bare domain | Different networks castlewok.dk: 51.89.105.1 (AS16276) (all like this)www.castlewok.dk: 104.21.51.233 172.67.191.131 2606:4700:3033::6815:33e9 2606:4700:3035::ac43:bf83 (AS13335) |
| Wildcard | Yes: any name under the zone resolves |
DNS lookups: 1/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx.simply.com | DANE-EE · SPKI · SHA-256 | 97A3BA009F39C761BFFB6574340E8138… |
| SMTP _25._tcp.mx.simply.com | DANE-EE · SPKI · SHA-256 | A9D603AF4D7ED6B9246B4B68500CD6F2… |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2414812500 |
| Primary NS (MNAME) | fred.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-27 19:53:23 shown | 1468ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-16 21:56:01 | 1328ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-09 06:30:30 | 1827ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-02 11:58:36 | 1030ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-28 08:29:12 | 1038ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-16 20:20:11 | 9924ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-20 00:30:27 | 498ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-16 19:45:26 | 432ms | 2 NS 1 A 1 MX | 🔓 Insecure |