xmasterclass.dk is a .dk domain served by 4 nameservers (ns1.eurodns.com, ns2.eurodns.com, ns3.eurodns.com and 1 more). It was registered on 8 April 2005 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 86.58.176.221 is hosted by Sentia Denmark A/S (AS47292) 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 86.58.176.221 | 3600s | php4.t3c.dk | AS47292 | Sentia Denmark A/S | 86.58.176.0/21 | 🇩🇰 Denmark | Copenhagen |
| www | 86.58.176.221 (AS47292) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026020544 |
| Primary NS (MNAME) | ns1.eurodns.com |
| Responsible (RNAME) | hostmaster@eurodns.com |
| Refresh | 86400s |
| Retry | 7200s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | Eurodns S.A |
| Registered | 2005-04-08 |
| Expires | 2027-04-30 (195d) |
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 270.
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-14 07:06:06 | 1042ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-13 06:45:39 | 504ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-08 22:43:32 | 2174ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-25 20:23:00 shown | 845ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-24 20:02:21 | 778ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-11 04:48:49 | 650ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-27 19:52:38 | 622ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-20 15:58:34 | 4870ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-19 15:29:21 | 943ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-18 15:28:07 | 3338ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-11 16:12:29 | 2220ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-04 08:33:44 | 1492ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-16 03:13:43 | 1175ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-26 13:20:47 | 868ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-18 02:52:02 | 1244ms | 4 NS 1 A 0 MX | 🔒 Secure |