rc-tanken.dk is a .dk domain served by 4 nameservers (ns1.eurodns.com, ns2.eurodns.com, ns3.eurodns.com and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.40.214 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by spam1.nova-c.dk, spam3.nova-c.dk. The zone is not DNSSEC-signed, 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 |
|---|---|---|---|---|---|---|---|
| 185.21.40.214 | 3600s | splash.zitcom.dk | AS48854 | team.blue Denmark A/S | 185.21.40.0/22 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | spam1.nova-c.dk | 128.76.60.182 2a01:77c0:6:0:89:104:206:4 |
outbound.centerasecurity.dk dk.mx3.mailanyone.net |
AS3292 TDC Holding A/S — |
| 20 | 3600s | spam3.nova-c.dk | 128.76.60.182 | outbound.centerasecurity.dk | AS3292 TDC Holding A/S |
| www | 185.21.40.214 (AS48854) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| 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 | 2025081101 |
| Primary NS (MNAME) | ns1.eurodns.com |
| Responsible (RNAME) | hostmaster@eurodns.com |
| Refresh | 43200s |
| Retry | 7200s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-26 18:23:54 shown | 9880ms | 4 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-28 08:27:57 | 925ms | 4 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-25 02:38:06 | 9210ms | 4 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-24 05:13:26 | 1171ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 14:21:56 | 1435ms | 4 NS 1 A 2 MX | 🔓 Insecure |