opitec.dk is a .dk domain served by 3 nameservers (ns.hrb.de, ns1.rox.net, ns2.rox.net). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 213.214.0.28 is hosted by Rockenstein AG (AS8823) in Germany. Mail is handled by mail1.rox.net, mail2.rox.net. The zone is not DNSSEC-signed, 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 213.214.0.28 | 3600s | redirect.rox.net | AS8823 | Rockenstein AG | 213.214.0.0/20 | 🇩🇪 Germany | Kitzingen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mail1.rox.net | 213.214.0.2 | mail1.rox.net | AS8823 Rockenstein AG |
| 20 | 3600s | mail2.rox.net | 213.214.0.1 | mail2.rox.net | AS8823 Rockenstein AG |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 213.214.0.28 |
| 🔶 Autoconfig | 213.214.0.28 |
| www | 213.214.0.28 (AS8823) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| 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 | 2020111001 |
| Primary NS (MNAME) | ns1.rox.net |
| Responsible (RNAME) | dns@rockenstein.de |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-25 03:30:06 | 10177ms | 3 NS 1 A 2 MX | 🔓 Insecure |
| 2026-07-03 01:02:12 | 1567ms | 3 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-24 18:29:08 | 3112ms | 3 NS 0 A 2 MX | 🔓 Insecure |
| 2026-06-24 17:02:56 | 2977ms | 3 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-24 07:32:32 | 1103ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-24 05:04:42 shown | 3900ms | 3 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-22 23:38:42 | 1151ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-21 13:03:39 | 1286ms | 3 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-17 15:29:02 | 3793ms | 3 NS 1 A 2 MX | 🔓 Insecure |