cfu.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 13 January 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 85.10.215.59 is hosted by Hetzner Online GmbH (AS24940) in Germany. 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 |
|---|---|---|---|---|---|---|---|
| 85.10.215.59 | — | dedi459.your-server.de | AS24940 | Hetzner Online GmbH | 85.10.192.0/18 | 🇩🇪 Germany | Nuremberg |
| TXT Record |
|---|
| google-site-verification=V060RtnNOdTaLQqTz94Wb_D0DZxV_fF_BUTeMZvrkJQ |
| HARICA-skuvxBCqICHYh8R6bSH |
| v=spf1 include:_custspf.one.com -all |
| Policy | Record (cfu.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:_custspf.one.com -all |
| Flags | Tag | Value |
|---|---|---|
| 0 | issue | harica.gr |
| 0 | issue | letsencrypt.org |
| 0 | issuewild | harica.gr |
| 0 | issuewild | letsencrypt.org |
| www CNAME | cfu.dk (all on cfu.dk) → 85.10.215.59 (AS24940) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 1/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 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 | 2026060105 |
| 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 | 1998-01-13 |
| Expires | 2027-03-31 (165d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-07 11:26:40 | 2432ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-10-01 07:54:26 | 676ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-30 21:55:10 | 2613ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-28 21:45:04 | 3283ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-25 20:48:18 | 1214ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-23 20:11:08 | 717ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-23 16:57:54 | 940ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-04 10:24:31 | 697ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-27 06:09:57 | 916ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-25 11:45:17 | 960ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-08 12:40:57 | 1233ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-22 23:58:45 | 1237ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-16 20:10:56 shown | 717ms | 2 NS 1 A 4 MX | 🔒 Secure |