havbæk.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 5 December 2005 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 89.23.236.21 is hosted by Fiberby ApS (AS42541) in Denmark. Mail is handled by mx09.posthuset.nu, mx11.posthuset.nu. 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 |
|---|---|---|---|---|---|---|---|
| 89.23.236.21 | — | 89-23-236-21.ip4.fiberby.net | AS42541 | Fiberby ApS | 89.23.224.0/19 | 🇩🇰 Denmark | Copenhagen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 9 | — | mx09.posthuset.nu | 185.21.40.130 | vm1220.enterprisecloud.nu | AS48854 team.blue Denmark A/S |
| 11 | — | mx11.posthuset.nu | 185.21.40.130 | vm1220.enterprisecloud.nu | AS48854 team.blue Denmark A/S |
| TXT Record |
|---|
| Posthuset |
| www CNAME | xn--havbk-vra.dk (all on xn--havbk-vra.dk) → 89.23.236.21 (AS42541) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxdomain |
| Field | Value |
|---|---|
| Serial | 2026032501 |
| 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 | 2005-12-05 |
| Expires | 2026-12-31 (67d) |
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 |
|---|---|
| bak-privat.dk | Punktum dk A/S (direct) |
| bryel.dk | Punktum dk A/S (direct) |
| heleneognikolaj.dk | Punktum dk A/S (direct) |
| ørelæge-nv.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-22 13:39:04 | 1492ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-30 02:04:42 | 506ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-26 16:42:49 | 846ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-24 01:08:07 | 901ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-26 07:39:40 | 6746ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-20 07:04:23 | 948ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-19 04:11:33 | 943ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-19 01:33:17 | 367ms | 0 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-17 11:01:15 | 1284ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-17 10:59:09 | 878ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-17 10:56:59 shown | 724ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-17 10:55:23 | 3090ms | 2 NS 1 A 2 MX | 🔒 Secure |