bulowduus.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 22 February 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by .. The zone is of unknown DNSSEC status, 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.
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 300s | . Null MX — domain accepts no email (RFC 7505) | |||
| www | 195.47.247.18 (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Check | Result |
|---|---|
| Validation Status | ❓ Unknown |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | resolution failed: timed out |
| Field | Value |
|---|---|
| Serial | 2026072715 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2021-02-22 |
| Expires | 2027-02-28 (127d) |
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).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-22 09:31:14 | 361ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-03 22:17:15 | 339ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 22:07:17 | 383ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-26 18:58:50 | 494ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-05 17:25:22 | 503ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-14 01:06:32 | 4588ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-07 02:18:36 | 8594ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-30 10:12:55 shown | 14706ms | 2 NS 0 A 1 MX | ❓ Unknown |
| 2026-07-27 08:42:55 | 550ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-03 10:18:45 | 2438ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-28 14:27:14 | 537ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-27 22:50:08 | 1239ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 17:40:24 | 2314ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-16 17:40:14 | 317ms | 2 NS 1 A 0 MX | 🔒 Secure |