c3ntric.dk is a .dk domain served by 3 nameservers (ns1.combell.eu, ns3.combell.net, ns4.combell.net). It was registered on 24 September 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 217.21.190.139 is hosted by Combell NV (AS34762) in Belgium. Mail is handled by mx.mailprotect.be, mx.backup.mailprotect.be. The zone is not DNSSEC-signed, publishes a 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.combell.eu | — | — | — |
| ns3.combell.net | — | — | — |
| ns4.combell.net | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 217.21.190.139 | — | 217.21.190.139.static.hosted.by.combell.com | AS34762 | Combell NV | 217.21.176.0/20 | 🇧🇪 Belgium | — |
| TXT Record |
|---|
| v=spf1 mx a include:_spf.relay.mailprotect.be ~all |
| Policy | Record (c3ntric.dk) |
|---|---|
| ~all (soft fail) | v=spf1 mx a include:_spf.relay.mailprotect.be ~all |
| Policy | Record (_dmarc.c3ntric.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1;p=none; |
DNS lookups: 4/10 · 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 | 1756990686 |
| Primary NS (MNAME) | ns1.combell.eu |
| Responsible (RNAME) | hostmaster@c3ntric.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 40000s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2025-09-24 |
| Expires | 2026-09-23 (expired) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-22 04:13:11 | 163ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-20 19:30:46 | 175ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-19 17:02:30 | 95ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-18 16:01:23 | 209ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-17 14:37:56 | 357ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-16 13:27:53 | 96ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-15 13:00:05 | 112ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-14 12:20:59 | 231ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-13 10:17:05 | 284ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-12 05:37:15 | 100ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-11 04:08:19 | 337ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-10 02:57:28 | 244ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-08 23:16:16 | 283ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-07 23:14:21 | 228ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-06 22:51:40 | 211ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-05 21:11:38 | 215ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-04 21:07:53 | 244ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-03 21:04:03 | 130ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-02 21:02:32 | 181ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-01 21:01:15 | 289ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-30 20:53:49 | 252ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-29 20:47:04 | 443ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-28 20:37:51 | 220ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-27 20:21:16 | 193ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-26 20:07:29 | 210ms | 1 NS 0 A 0 MX | ❓ Unknown |