it-centralen.dk is a .dk domain served by 2 nameservers (dakota.ns.cloudflare.com, elma.ns.cloudflare.com). It was registered on 6 June 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.92.202 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 |
|---|---|---|---|---|---|---|---|
| 104.21.92.202 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.197.178 | 300s | — | 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 |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 104.21.92.202 |
| 🔶 Autoconfig | 172.67.197.178 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3030::6815:5cca | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3030::ac43:c5b2 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.92.202,172.67.197.178 ech=AEX+DQBBZAAgACD7U6Bp3UF9yPEB9CBJVUlN9PH88Ux2OvS0YciffWyPQgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:5cca,2606:4700:3030::ac43:c5b2 |
| TXT Record |
|---|
| v=spf1 ip4:31.222.167.33 -all |
| Policy | Record (it-centralen.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:31.222.167.33 -all |
| www | 104.21.92.202 172.67.197.178 2606:4700:3030::6815:5cca 2606:4700:3030::ac43:c5b2 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network it-centralen.dk: 104.21.92.202 172.67.197.178 2606:4700:3030::6815:5cca 2606:4700:3030::ac43:c5b2 (AS13335) www.it-centralen.dk: 104.21.92.202 172.67.197.178 2606:4700:3030::6815:5cca 2606:4700:3030::ac43:c5b2 (AS13335) |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
DNS lookups: 0/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 24F573980561755185B794745411B05D… |
| SMTP _25._tcp.mx2.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 24F573980561755185B794745411B05D… |
| SMTP _25._tcp.mx3.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 24F573980561755185B794745411B05D… |
| SMTP _25._tcp.mx4.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 24F573980561755185B794745411B05D… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2415818000 |
| Primary NS (MNAME) | dakota.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Domænehajen ApS |
| Registered | 2003-06-06 |
| Expires | 2027-06-30 (252d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-08 21:55:21 | 1074ms | 2 NS 2 A 4 MX | 🔒 Secure |
| 2026-09-30 16:22:52 | 1260ms | 2 NS 2 A 4 MX | 🔒 Secure |
| 2026-09-25 23:59:41 shown | 1506ms | 2 NS 2 A 4 MX | 🔒 Secure |
| 2026-09-24 23:48:54 | 856ms | 2 NS 2 A 4 MX | 🔒 Secure |
| 2026-09-21 11:10:22 | 935ms | 2 NS 2 A 4 MX | 🔒 Secure |
| 2026-09-17 23:01:23 | 2267ms | 2 NS 2 A 4 MX | 🔒 Secure |
| 2026-08-26 22:33:30 | 1165ms | 2 NS 2 A 4 MX | 🔒 Secure |
| 2026-08-22 04:38:28 | 10402ms | 2 NS 2 A 4 MX | 🔒 Secure |
| 2026-08-15 16:15:54 | 1420ms | 2 NS 2 A 4 MX | 🔒 Secure |
| 2026-07-29 03:12:59 | 1364ms | 2 NS 2 A 4 MX | 🔒 Secure |
| 2026-07-19 05:03:53 | 3517ms | 2 NS 2 A 4 MX | 🔒 Secure |
| 2026-07-18 04:34:59 | 4587ms | 2 NS 2 A 4 MX | 🔒 Secure |
| 2026-07-04 20:03:02 | 3883ms | 2 NS 2 A 4 MX | 🔒 Secure |
| 2026-06-20 02:08:11 | 616ms | 2 NS 2 A 4 MX | 🔒 Secure |
| 2026-06-17 14:04:40 | 2852ms | 2 NS 2 A 4 MX | 🔒 Secure |