birkgruppen.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 8 September 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mx1.mailpod15-cph3.g1i.one.com, mx2.mailpod15-cph3.g1i.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 |
|---|---|---|---|---|---|---|---|
| 162.159.135.42 | — | — | AS13335 | — | — | — | — |
| www CNAME | birkgruppen.dk (all on birkgruppen.dk) |
| 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.mailpod15-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | DB00CDA1DB82CC93CBF96D7D5806F329… |
| SMTP _25._tcp.mx2.mailpod15-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | DB00CDA1DB82CC93CBF96D7D5806F329… |
| SMTP _25._tcp.mx3.mailpod15-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | DB00CDA1DB82CC93CBF96D7D5806F329… |
| SMTP _25._tcp.mx4.mailpod15-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | DB00CDA1DB82CC93CBF96D7D5806F329… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026052201 |
| 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 | 2025-09-08 |
| Expires | 2027-09-07 (316d) |
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 |
|---|---|
| kaffe1561.dk Deactivated | ONE.COM A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-24 20:11:07 | 1840ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-10-24 15:34:06 | 594ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-10-16 15:04:56 | 1076ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-30 02:43:45 | 560ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-26 10:29:09 | 674ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-23 15:25:56 | 790ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-28 08:23:19 | 787ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-22 14:42:24 | 1031ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-23 14:53:38 | 8747ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-21 09:42:12 | 9083ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-18 20:28:27 | 6733ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-21 22:04:44 | 933ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-21 21:27:33 | 688ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-16 14:45:33 shown | 481ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-16 14:40:24 | 668ms | 2 NS 1 A 4 MX | 🔒 Secure |