biernat.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 6 November 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 217.116.232.247 is hosted by Sentia Denmark A/S (AS47292) in Denmark. Mail is handled by mail.gigahost.dk. 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 |
|---|---|---|---|---|---|---|---|
| 217.116.232.247 | 43200s | web3.gigahost.dk | AS47292 | Sentia Denmark A/S | 217.116.224.0/20 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 43200s | mail.gigahost.dk | 89.186.169.85 | — | AS47292 Sentia Denmark A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | biernat.dk → 217.116.232.247 |
| 🔶 Autoconfig | biernat.dk → 217.116.232.247 |
| TXT Record |
|---|
| v=spf1 mx include:spf.gigahost.dk include:_custspf.one.com ~all |
| Policy | Record (biernat.dk) |
|---|---|
| ~all (soft fail) | v=spf1 mx include:spf.gigahost.dk include:_custspf.one.com ~all |
| www CNAME | biernat.dk (all on biernat.dk) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 3/10 · policy: ~all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.biernat.dk | biernat.dk |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026101201 |
| 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 | 2003-11-06 |
| Expires | 2026-11-30 (44d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-12 22:19:37 shown | 761ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-02 12:29:57 | 1646ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 12:24:39 | 696ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-29 19:46:35 | 780ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-19 01:12:35 | 6638ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 14:29:57 | 555ms | 2 NS 1 A 1 MX | 🔒 Secure |