filtervaerk.dk is a .dk domain served by 4 nameservers (ns1.absaconit.dk, ns2.absaconit.dk, ns3.absaconit.dk and 1 more). It was registered on 10 February 2006 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.206.180.148 is hosted by Public Cloud Ltd. (AS205787) in Germany. Mail is handled by mail.filtervaerk.dk. The zone is DNSSEC-signed and validates, has no 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 185.206.180.148 | 3600s | 32.http-proxy2.cloudns.net | AS205787 | Public Cloud Ltd. | 185.206.180.0/22 | 🇩🇪 Germany | — |
| 185.206.180.180 | 3600s | 180.http4.cloudns.net | AS205787 | Public Cloud Ltd. | 185.206.180.0/22 | 🇩🇪 Germany | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mail.filtervaerk.dk | 85.199.185.12 | — | AS25560 rh-tec Business GmbH |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a0b:1640:1:1:1005:1:1:1 | 3600s | 177.http4.cloudns.net | AS205787 | Public Cloud Ltd. | 2a0b:1640:1:0:0:0:0:0/48 | 🇧🇬 Bulgaria | — |
| 2a0b:1640:1:1:1:1:c45:4c4f | 3600s | 3.http-proxy2.cloudns.net | AS205787 | Public Cloud Ltd. | 2a0b:1640:1:0:0:0:0:0/48 | 🇧🇬 Bulgaria | — |
| www | 185.206.180.148 185.206.180.180 2a0b:1640:1:1:1005:1:1:1 2a0b:1640:1:1:1:1:c45:4c4f (AS205787) (address records, no CNAME) |
| www vs bare domain | Same network filtervaerk.dk: 185.206.180.148 185.206.180.180 2a0b:1640:1:1:1005:1:1:1 2a0b:1640:1:1:1:1:c45:4c4f (AS205787) www.filtervaerk.dk: 185.206.180.148 185.206.180.180 2a0b:1640:1:1:1005:1:1:1 2a0b:1640:1:1:1:1:c45:4c4f (AS205787) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026091802 |
| Primary NS (MNAME) | ns1.absaconit.dk |
| Responsible (RNAME) | support@absacon.dk |
| Refresh | 7200s |
| Retry | 1800s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Absacon IT ApS |
| Registered | 2006-02-10 |
| Expires | 2030-02-28 (1230d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 00:39:22 | 4098ms | 4 NS 2 A 1 MX | 🔒 Secure |
| 2026-09-23 20:18:56 shown | 731ms | 4 NS 2 A 1 MX | 🔒 Secure |
| 2026-09-01 02:10:59 | 3183ms | 4 NS 2 A 1 MX | 🔒 Secure |
| 2026-08-30 11:24:19 | 5751ms | 4 NS 2 A 1 MX | 🔒 Secure |
| 2026-08-28 01:09:28 | 1104ms | 4 NS 2 A 1 MX | 🔒 Secure |
| 2026-08-11 05:07:09 | 10328ms | 4 NS 2 A 1 MX | 🔒 Secure |
| 2026-07-23 01:59:49 | 930ms | 4 NS 2 A 1 MX | 🔒 Secure |
| 2026-06-30 18:11:40 | 1087ms | 4 NS 2 A 1 MX | 🔒 Secure |
| 2026-06-25 03:05:32 | 903ms | 4 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-22 16:40:39 | 1000ms | 4 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-17 10:15:10 | 3433ms | 4 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-17 10:11:49 | 4244ms | 4 NS 2 A 1 MX | 🔓 Insecure |