frankclausen.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 15 February 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 212.242.60.80 is hosted by Telenor A/S (AS9158) in Denmark. Mail is handled by frc.adsl.dk, mailgate.cybercity.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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 212.242.60.80 | 43200s | — | AS9158 | Telenor A/S | 212.242.0.0/16 | 🇩🇰 Denmark | Copenhagen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 43200s | frc.adsl.dk | — | — | — |
| 100 | 43200s | mailgate.cybercity.dk | 212.88.64.50 | relay.telenor.dk | AS9158 Telenor A/S |
| www CNAME | frankclausen.dk (all on frankclausen.dk) → 212.242.60.80 (AS9158) |
| www vs bare domain | Same network |
| 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 | 2026101401 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2002-02-15 |
| Expires | 2027-03-31 (164d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 12:21:20 shown | 844ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-17 11:18:43 | 1246ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-27 15:17:32 | 811ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-15 12:26:29 | 8824ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-15 02:37:20 | 1033ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-25 00:56:41 | 868ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-22 12:08:26 | 1177ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 10:00:23 | 3016ms | 2 NS 1 A 2 MX | 🔒 Secure |