foruminstruktør.dk is a .dk domain served by 2 nameservers (braelyn.ns.cloudflare.com, rommy.ns.cloudflare.com). It was registered on 26 April 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.19.179 is hosted by Cloudflare, Inc. (AS13335). 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 |
|---|---|---|---|---|---|---|---|
| 104.21.19.179 | 298s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.187.11 | 298s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | mx1.pub.mailpod11-cph3.one.com | 104.37.34.230 | mx1.pub.mailpod11-cph3.one.com | AS51468 One.com A/S |
| 10 | 300s | mx2.pub.mailpod11-cph3.one.com | 104.37.34.231 | mx2.pub.mailpod11-cph3.one.com | AS51468 One.com A/S |
| 10 | 300s | mx3.pub.mailpod11-cph3.one.com | 104.37.34.232 | mx3.pub.mailpod11-cph3.one.com | AS51468 One.com A/S |
| 10 | 300s | 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 |
|---|---|---|---|---|---|---|---|
| 2606:4700:3032::ac43:bb0b | 298s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3034::6815:13b3 | 298s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.19.179,172.67.187.11 ech=AEX+DQBB9AAgACCOdTF6+CW2wla+1htYnDmOCCHTj7SxuWbOZGzzmIKrOwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:bb0b,2606:4700:3034::6815:13b3 |
| www | 104.21.19.179 172.67.187.11 2606:4700:3032::ac43:bb0b 2606:4700:3036::6815:13b3 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network foruminstruktør.dk: 104.21.19.179 172.67.187.11 2606:4700:3032::ac43:bb0b 2606:4700:3036::6815:13b3 (AS13335) www.foruminstruktør.dk: 104.21.19.179 172.67.187.11 2606:4700:3032::ac43:bb0b 2606:4700:3036::6815:13b3 (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 | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | resolution failed: ncache nxdomain |
| Field | Value |
|---|---|
| Serial | 2403457088 |
| Primary NS (MNAME) | braelyn.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2011-04-26 |
| Expires | 2027-07-31 (279d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-24 08:09:44 | 727ms | 2 NS 2 A 4 MX | 🔓 Insecure |
| 2026-09-30 13:37:30 | 847ms | 2 NS 2 A 4 MX | 🔓 Insecure |
| 2026-09-25 05:48:53 | 10094ms | 2 NS 2 A 4 MX | 🔓 Insecure |
| 2026-09-02 02:31:32 | 1351ms | 2 NS 2 A 4 MX | 🔓 Insecure |
| 2026-08-31 21:42:53 | 696ms | 2 NS 2 A 4 MX | 🔓 Insecure |
| 2026-08-27 22:01:40 | 1289ms | 2 NS 2 A 4 MX | 🔓 Insecure |
| 2026-08-26 21:44:38 | 1417ms | 2 NS 2 A 4 MX | ❓ Unknown |
| 2026-08-24 02:09:03 | 2110ms | 2 NS 2 A 4 MX | 🔓 Insecure |
| 2026-08-23 01:40:55 | 9236ms | 2 NS 2 A 4 MX | 🔓 Insecure |
| 2026-08-20 00:15:57 | 7557ms | 2 NS 2 A 4 MX | ❓ Unknown |
| 2026-08-17 21:09:00 | 2775ms | 2 NS 2 A 4 MX | ❓ Unknown |
| 2026-06-26 00:00:54 | 2079ms | 2 NS 2 A 4 MX | ❓ Unknown |
| 2026-06-25 09:31:25 | 3645ms | 2 NS 2 A 4 MX | ❓ Unknown |
| 2026-06-20 15:04:00 | 347ms | 0 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-20 01:17:43 shown | 3580ms | 2 NS 2 A 4 MX | 🔒 Secure |
| 2026-06-17 11:28:20 | 14705ms | 2 NS 2 A 4 MX | 🔒 Secure |
| 2026-06-17 10:22:58 | 1067ms | 2 NS 2 A 4 MX | 🔒 Secure |