3rkontor.dk is a .dk domain served by 4 nameservers (ns1.eurodns.com, ns2.eurodns.com, ns3.eurodns.com and 1 more). It was registered on 21 October 2014 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.143.8.101 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mx1.dandomain.dk, mx2.dandomain.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 this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.eurodns.com | — | — | — |
| ns2.eurodns.com | — | — | — |
| ns3.eurodns.com | — | — | — |
| ns4.eurodns.com | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 94.143.8.101 | — | shopclu1lb1.danhosting.dk | AS48854 | team.blue Denmark A/S | 94.143.8.0/21 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | — | mx1.dandomain.dk | 212.237.249.50 | mx1.dandomain.dk | AS48854 team.blue Denmark A/S |
| 20 | — | mx2.dandomain.dk | 46.36.209.11 | mx2.dandomain.dk | AS48854 team.blue Denmark A/S |
| TXT Record |
|---|
| v=spf1 include:spf.dandomain.dk ?all |
| Policy | Record (3rkontor.dk) |
|---|---|
| ?all (neutral) | v=spf1 include:spf.dandomain.dk ?all |
| www | 94.143.8.101 (AS48854) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 3/10 · policy: ?all
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026050510 |
| Primary NS (MNAME) | ns1.eurodns.com |
| Responsible (RNAME) | hostmaster@eurodns.com |
| Refresh | 43200s |
| Retry | 7200s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | Eurodns S.A |
| Registered | 2014-10-21 |
| Expires | 2026-10-31 (14d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-08 01:47:12 | 542ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-02 06:26:09 | 1711ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-01 06:12:33 | 790ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-24 03:46:58 | 9483ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-21 19:18:36 | 692ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-14 21:58:44 | 949ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-12 13:48:48 | 730ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-28 07:34:03 | 848ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-26 15:05:36 | 613ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-25 00:32:33 | 17321ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-09 15:01:03 | 3150ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-22 14:57:45 | 9836ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-18 17:53:54 | 870ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-02 11:12:19 | 7820ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-25 06:17:00 | 3189ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-24 01:27:12 | 1190ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 10:26:06 | 589ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-20 07:02:47 | 1071ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-16 12:49:23 shown | 1859ms | 4 NS 1 A 2 MX | 🔒 Secure |