experimentum.dk is a .dk domain served by 2 nameservers (buck.ns.cloudflare.com, dawn.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mx1.pub.mailpod11-cph3.one.com, mx2.pub.mailpod11-cph3.one.com and 2 more. The zone is not DNSSEC-signed, 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 |
|---|---|---|---|---|---|---|---|
| 3.174.18.119 | 300s | server-3-174-18-119.cph50.r.cloudfront.net | AS16509 | — | — | — | — |
| 3.174.18.62 | 300s | server-3-174-18-62.cph50.r.cloudfront.net | AS16509 | — | — | — | — |
| 3.174.18.82 | 300s | server-3-174-18-82.cph50.r.cloudfront.net | AS16509 | — | — | — | — |
| 3.174.18.9 | 300s | server-3-174-18-9.cph50.r.cloudfront.net | AS16509 | — | — | — | — |
| 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 |
|---|---|---|---|---|---|---|---|
| 2600:9000:28e5:3e00:0:9f7:cf00:93a1 | 300s | — | AS16509 | — | — | — | — |
| 2600:9000:28e5:7800:0:9f7:cf00:93a1 | 300s | — | AS16509 | — | — | — | — |
| 2600:9000:28e5:8000:0:9f7:cf00:93a1 | 300s | — | AS16509 | — | — | — | — |
| 2600:9000:28e5:800:0:9f7:cf00:93a1 | 300s | — | AS16509 | — | — | — | — |
| 2600:9000:28e5:8600:0:9f7:cf00:93a1 | 300s | — | AS16509 | — | — | — | — |
| 2600:9000:28e5:c000:0:9f7:cf00:93a1 | 300s | — | AS16509 | — | — | — | — |
| 2600:9000:28e5:d200:0:9f7:cf00:93a1 | 300s | — | AS16509 | — | — | — | — |
| 2600:9000:28e5:d400:0:9f7:cf00:93a1 | 300s | — | AS16509 | — | — | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h2,h3" |
| www | 104.21.69.141 172.67.209.29 2606:4700:3031::6815:458d 2606:4700:3034::ac43:d11d (AS13335) (address records, no CNAME) |
| www vs bare domain | Different networks experimentum.dk: 65.9.106.106 65.9.106.114 65.9.106.38 65.9.106.62 (AS16509) (all like this)www.experimentum.dk: 104.21.69.141 172.67.209.29 2606:4700:3031::6815:458d 2606:4700:3034::ac43:d11d (AS13335) |
| Wildcard | No |
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.experimentum.dk | experimentum.dk.acme.webpod13-cph3.one.com |
| 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 | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2407332846 |
| Primary NS (MNAME) | buck.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-04 11:33:37 | 725ms | 2 NS 4 A 4 MX | 🔓 Insecure |
| 2026-09-25 13:07:24 | 1945ms | 2 NS 4 A 4 MX | 🔓 Insecure |
| 2026-09-24 13:01:02 | 1033ms | 2 NS 4 A 4 MX | 🔓 Insecure |
| 2026-09-15 19:45:32 | 13804ms | 2 NS 4 A 4 MX | 🔓 Insecure |
| 2026-08-26 11:29:30 | 10117ms | 2 NS 4 A 4 MX | 🔓 Insecure |
| 2026-08-23 10:01:28 | 9458ms | 2 NS 4 A 4 MX | 🔓 Insecure |
| 2026-08-19 06:28:03 | 2659ms | 2 NS 4 A 4 MX | 🔓 Insecure |
| 2026-07-28 09:00:57 | 18880ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-26 08:47:13 | 1355ms | 2 NS 4 A 4 MX | 🔓 Insecure |
| 2026-06-21 18:29:16 | 1099ms | 2 NS 4 A 4 MX | 🔓 Insecure |
| 2026-06-21 06:53:02 | 3564ms | 2 NS 4 A 4 MX | 🔓 Insecure |
| 2026-06-20 01:05:42 shown | 1838ms | 2 NS 4 A 4 MX | 🔓 Insecure |
| 2026-06-17 09:09:33 | 2238ms | 2 NS 4 A 4 MX | 🔓 Insecure |