fyrkat.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 77.111.240.184 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx1.pub.mailpod11-cph3.one.com, mx2.pub.mailpod11-cph3.one.com and 2 more. The zone is DNSSEC-signed and validates, has no DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|---|---|---|---|
| 77.111.240.184 | 3600s | webcluster57.webpod11-cph3.one.com | AS51468 | One.com A/S | 77.111.240.0/22 | 🇩🇰 Denmark | Copenhagen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 10800s | mx1.pub.mailpod11-cph3.one.com | 104.37.34.230 | mx1.pub.mailpod11-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx2.pub.mailpod11-cph3.one.com | 104.37.34.231 | mx2.pub.mailpod11-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx3.pub.mailpod11-cph3.one.com | 104.37.34.232 | mx3.pub.mailpod11-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx4.pub.mailpod11-cph3.one.com | 104.37.34.233 | mx4.pub.mailpod11-cph3.one.com | AS51468 One.com A/S |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:102:80c2:9c4e:a219:4694 | 3600s | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| www | 77.111.240.184 2a02:2350:5:102:80c2:9c4e:a219:4694 (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network fyrkat.dk: 77.111.240.184 2a02:2350:5:102:80c2:9c4e:a219:4694 (AS51468) www.fyrkat.dk: 77.111.240.184 2a02:2350:5:102:80c2:9c4e:a219:4694 (AS51468) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 068A81EDC98C58D5D494EDF2924D5F50… |
| SMTP _25._tcp.mx2.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 068A81EDC98C58D5D494EDF2924D5F50… |
| SMTP _25._tcp.mx3.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 068A81EDC98C58D5D494EDF2924D5F50… |
| SMTP _25._tcp.mx4.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 068A81EDC98C58D5D494EDF2924D5F50… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026072401 |
| 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 |
|---|---|---|---|
| 2026-09-29 20:45:31 | 687ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-24 05:55:27 | 790ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-29 22:13:10 | 1277ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-27 13:03:58 | 1046ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-24 15:08:56 | 950ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-22 11:29:24 | 7774ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-15 16:01:30 shown | 4926ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-24 14:23:34 | 844ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-24 06:50:59 | 1758ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-20 02:42:40 | 641ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-17 10:02:05 | 8950ms | 2 NS 1 A 4 MX | 🔒 Secure |