432hz.dk is a .dk domain served by 3 nameservers (ns1.linuxhus.dk, ns2.linuxhus.dk, ns3.linuxhus.dk). It was registered on 8 December 2022 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 37.128.222.21 is hosted by Sinal A/S (AS39642) in Denmark. Mail is handled by mx.mailsec.dk, h1.linuxhus.dk. The zone is DNSSEC-signed and validates, publishes a 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.linuxhus.dk | 37.128.222.18 | — | AS39642 Sinal A/S |
| ns2.linuxhus.dk | 37.128.222.19 | — | AS39642 Sinal A/S |
| ns3.linuxhus.dk | 37.128.222.20 | — | AS39642 Sinal A/S |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 37.128.222.21 | 120s | — | AS39642 | Sinal A/S | 37.128.208.0/20 | 🇩🇰 Denmark | Esbjerg |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 5 | 120s | mx.mailsec.dk | 37.128.222.5 | mx.mailsec.dk | AS39642 Sinal A/S |
| 10 | 120s | h1.linuxhus.dk | 37.128.222.26 | h1.linuxhus.dk | AS39642 Sinal A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 37.128.222.21 |
| 🔶 Autoconfig | 37.128.222.21 |
| TXT Record |
|---|
| google-site-verification=CnKfMRbd6nn4VyBSn_FzfWNbz3dAlL6LuuLThU6fWIE |
| Policy | Record (_dmarc.432hz.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; pct=100; adkim=r; aspf=r |
| Flags | Tag | Value |
|---|---|---|
| 0 | issuewild | letsencrypt.org |
| www | 37.128.222.21 (AS39642) (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 |
| Selector | CNAME | Key |
|---|---|---|
| default | — | RSA · ~2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.h1.linuxhus.dk | DANE-EE · Full cert · SHA-256 | BDF79DCC8303F9DD92EB41A1419497DC… |
| HTTPS _443._tcp.432hz.dk | DANE-EE · Full cert · SHA-256 | 00CFD29097A3FF1E4FAEE7F10CE48510… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026101200 |
| Primary NS (MNAME) | ns1.linuxhus.dk |
| Responsible (RNAME) | root@ns1.linuxhus.dk |
| Refresh | 3600s |
| Retry | 600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2022-12-08 |
| Expires | 2026-12-07 (51d) |
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).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-12 23:12:08 shown | 1806ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-09 13:18:59 | 1162ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-29 23:02:42 | 1079ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-28 02:05:32 | 899ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-26 13:14:03 | 28341ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-23 12:34:30 | 1110ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-31 22:16:04 | 909ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-18 20:00:38 | 19047ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-17 15:33:58 | 878ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-16 04:58:44 | 10031ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-09 23:05:22 | 3214ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-26 09:20:09 | 1169ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-20 17:16:38 | 10617ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-05 00:06:08 | 1553ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-02 00:06:51 | 1209ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-16 13:14:24 | 1055ms | 3 NS 1 A 2 MX | 🔒 Secure |