tec4.dk is a .dk domain served by 4 nameservers (ns1.cyberfolks.ro, ns2.cyberfolks.ro, ns3.cyberfolks.ro and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 81.181.254.107 is hosted by GTS Telecom SRL (AS5606) in Romania. Mail is handled by tec4.dk. The zone is of unknown DNSSEC status, 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 |
|---|---|---|---|---|---|---|---|
| 81.181.254.107 | 600s | 107-254-static.tlh.ro | AS5606 | GTS Telecom SRL | 81.181.252.0/22 | 🇷🇴 Romania | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 600s | tec4.dk | 81.181.254.107 | 107-254-static.tlh.ro | AS5606 GTS Telecom SRL |
| www CNAME | tec4.dk (all on tec4.dk) → 81.181.254.107 (AS5606) |
| www vs bare domain | Same network |
| Wildcard | No |
| Check | Result |
|---|---|
| Validation Status | ❓ Unknown |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | broken trust chain resolving 'tec4.dk/DS/IN': 127.0.0.1#53 |
| Field | Value |
|---|---|
| Serial | 2024121100 |
| Primary NS (MNAME) | ns1.cyberfolks.ro |
| Responsible (RNAME) | server@mxserver.ro |
| Refresh | 3600s |
| Retry | 1800s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-26 12:47:12 | 1756ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-24 07:22:56 shown | 2055ms | 4 NS 1 A 1 MX | ❓ Unknown |
| 2026-06-17 19:08:59 | 1511ms | 4 NS 1 A 1 MX | 🔓 Insecure |