b-klasse.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 9 January 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 87.104.6.138 is hosted by FIBIA P/S (AS44869) 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 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 |
|---|---|---|---|---|---|---|---|
| 87.104.6.138 | 600s | 87.104.6.138.static.fibianet.dk | AS44869 | FIBIA P/S | 87.104.0.0/18 | 🇩🇰 Denmark | Sorø |
| www | NXDOMAIN |
| www vs bare domain | www does not resolve (all like this) |
| Wildcard | No |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| 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 | 2026100200 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2016-01-09 |
| Expires | 2030-01-31 (1202d) |
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).
| Domain | Registrar |
|---|---|
| c-klasse.dk | Punktum dk A/S (direct) |
| simpleidea.dk | Punktum dk A/S (direct) |
| zxspectrum.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 11:25:49 shown | 305ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-03 21:13:54 | 358ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-02 08:46:39 | 1030ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-01 08:43:27 | 419ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-23 18:43:11 | 398ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-07 02:46:15 | 507ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-02 00:22:40 | 572ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-16 13:57:30 | 444ms | 4 NS 1 A 0 MX | 🔒 Secure |