fejltrin.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 13 February 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 134.209.84.135 is hosted by DigitalOcean, LLC (AS14061) in The Netherlands. 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 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns01.one.com | — | — | — |
| ns02.one.com | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 134.209.84.135 | — | — | AS14061 | DigitalOcean, LLC | 134.209.0.0/16 | 🇳🇱 The Netherlands | Amsterdam |
| www | 104.21.61.208 172.67.214.141 2606:4700:3030::ac43:d68d 2606:4700:3035::6815:3dd0 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network fejltrin.dk: 104.21.61.208 172.67.214.141 2606:4700:3030::ac43:d68d 2606:4700:3035::6815:3dd0 (AS13335) www.fejltrin.dk: 104.21.61.208 172.67.214.141 2606:4700:3030::ac43:d68d 2606:4700:3035::6815:3dd0 (AS13335) |
| Wildcard | No |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 00E55642F312E05CDB899B1433EDF47F… |
| SMTP _25._tcp.mx2.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 00E55642F312E05CDB899B1433EDF47F… |
| SMTP _25._tcp.mx3.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 00E55642F312E05CDB899B1433EDF47F… |
| SMTP _25._tcp.mx4.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 00E55642F312E05CDB899B1433EDF47F… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026061401 |
| 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 | 2001-02-13 |
| Expires | 2027-03-31 (162d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-11 13:30:02 | 818ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-10-10 13:21:47 | 2228ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-09-28 07:31:18 | 3240ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-08-27 22:43:55 | 861ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-08-12 19:02:17 | 2247ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-07-15 16:11:53 | 1086ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-25 10:41:33 | 596ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-23 01:31:04 | 1165ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 09:19:20 shown | 1825ms | 2 NS 1 A 4 MX | 🔒 Secure |