tfh.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). The zone is DNSSEC-signed and validates, 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.
| www CNAME | hosting2.danline.dk (all on danline.dk) |
| Wildcard | No |
| Denial of existence | NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2024061701 |
| Primary NS (MNAME) | ns1.curanet.dk |
| Responsible (RNAME) | hostmaster@curanet.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 300s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-08-27 17:18:04 shown | 531ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-07-02 01:33:14 | 443ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-20 06:45:40 | 2319ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-17 15:11:31 | 470ms | 2 NS 0 A 0 MX | ❓ Unknown |