birkjensen.dk is a .dk domain served by 3 nameservers (ns5.chosting.dk, ns6.chosting.dk, ns7.chosting.dk). It was registered on 5 October 2008 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 178.20.216.31 is hosted by Atea A/S (AS21060) in Denmark. Mail is handled by birkjensen.dk. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|
| ns5.chosting.dk | — | — | — |
| ns6.chosting.dk | — | — | — |
| ns7.chosting.dk | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 178.20.216.31 | — | server12.chosting.dk | AS21060 | Atea A/S | 178.20.216.0/23 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | — | birkjensen.dk | 178.20.216.31 | server12.chosting.dk | AS21060 Atea A/S |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a01:7cc0:101:ffff::1:a | — | — | AS21060 | Atea A/S | 2a01:7cc0:100:0:0:0:0:0/40 | 🇩🇰 Denmark | — |
| TXT Record |
|---|
| v=spf1 ip4:178.20.216.31 include:spf.chosting.dk +a +mx ~all |
| Policy | Record (birkjensen.dk) |
|---|---|
| ~all (soft fail) | v=spf1 ip4:178.20.216.31 include:spf.chosting.dk +a +mx ~all |
| Policy | Record (_dmarc.birkjensen.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; |
| www CNAME | birkjensen.dk (all on birkjensen.dk) |
| www vs bare domain | Same network birkjensen.dk: 178.20.216.31 2a01:7cc0:101:ffff::1:a (AS21060) www.birkjensen.dk: 178.20.216.31 2a01:7cc0:101:ffff::1:a (AS21060) |
| Wildcard | No |
| 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.
DNS lookups: 5/10 · policy: ~all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2026061101 |
| Primary NS (MNAME) | ns5.chosting.dk |
| Responsible (RNAME) | logs@chosting.dk |
| Refresh | 3600s |
| Retry | 1800s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | FIONIA IT ApS |
| Registered | 2008-10-05 |
| Expires | 2031-10-31 (1840d) |
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).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-16 09:49:49 | 603ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-12 02:30:59 | 1330ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-07 19:33:00 | 529ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-26 03:27:11 | 761ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-06 22:46:25 | 1035ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-14 12:44:56 | 1145ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-03 16:48:40 | 1235ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-02 09:47:59 | 2462ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-25 15:50:51 | 671ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-16 14:41:45 | 468ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-16 14:40:21 shown | 504ms | 3 NS 1 A 1 MX | 🔓 Insecure |