guitarknudsen.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 80.209.104.167 is hosted by FIBIA P/S (AS44869) in Denmark. Mail is handled by .. 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 |
|---|---|---|---|---|---|---|---|
| 80.209.104.167 | 3600s | 80.209.104.167.static.fibianet.dk | AS44869 | FIBIA P/S | 80.209.0.0/17 | 🇩🇰 Denmark | Tølløse |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 300s | . Null MX — domain accepts no email (RFC 7505) | |||
| www | 46.30.211.38 (AS51468) (address records, no CNAME) |
| www vs bare domain | Different networks (all like this) |
| 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 | 2026092301 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-07 18:41:48 shown | 394ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 08:41:36 | 426ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-23 18:17:39 | 960ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-07 13:10:27 | 799ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-24 01:19:11 | 2509ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-24 19:45:22 | 16505ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-14 12:35:42 | 4567ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-03 15:13:23 | 3647ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-27 08:13:06 | 557ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-25 04:52:17 | 551ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-22 05:13:59 | 463ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-19 02:31:59 | 5222ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 10:49:40 | 2513ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-17 10:42:20 | 461ms | 2 NS 1 A 0 MX | 🔒 Secure |