buchlarsen.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 7 June 2005 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.249.40.124 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by mx1.pub.mailpod9-cph3.one.com, mx2.pub.mailpod9-cph3.one.com and 2 more. 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns01.one.com | — | — | — |
| ns02.one.com | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 195.249.40.124 | — | — | AS3292 | TDC Holding A/S | 195.249.0.0/16 | 🇩🇰 Denmark | Odense |
| www | 195.249.40.124 (AS3292) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.pub.mailpod9-cph3.one.com | DANE-EE · SPKI · SHA-256 | 5D2162F5CED0ACD2C3D63E5582045A6C… |
| SMTP _25._tcp.mx2.pub.mailpod9-cph3.one.com | DANE-EE · SPKI · SHA-256 | 5D2162F5CED0ACD2C3D63E5582045A6C… |
| SMTP _25._tcp.mx3.pub.mailpod9-cph3.one.com | DANE-EE · SPKI · SHA-256 | 5D2162F5CED0ACD2C3D63E5582045A6C… |
| SMTP _25._tcp.mx4.pub.mailpod9-cph3.one.com | DANE-EE · SPKI · SHA-256 | 5D2162F5CED0ACD2C3D63E5582045A6C… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026052501 |
| 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 | ONE.COM A/S |
| Registered | 2005-06-07 |
| Expires | 2027-06-30 (252d) |
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 |
|---|---|
| ffulrik.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-25 13:08:18 | 772ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-03 00:19:36 | 748ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-30 02:15:16 | 576ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-25 12:49:14 | 2175ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-18 01:40:37 | 4990ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-25 18:30:22 | 940ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-26 15:35:58 | 1325ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-23 15:36:08 | 3034ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-22 12:43:09 | 1153ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-16 17:36:02 shown | 878ms | 2 NS 1 A 4 MX | 🔒 Secure |