cxu.dk is a .dk domain served by 2 nameservers (ns1.ge4.dk, ns2.ge4.dk). It was registered on 9 December 2010 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 178.63.156.212 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by relay.ge4.dk, relay1-backup.ge4.dk and 1 more. The zone is not DNSSEC-signed, publishes a 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 |
|---|---|---|---|
| ns1.ge4.dk | 178.63.156.211 | pl02.ge4.dk | AS24940 Hetzner Online GmbH |
| ns2.ge4.dk | 178.63.191.145 | hetzner.ge4.dk | AS24940 Hetzner Online GmbH |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 178.63.156.212 | 120s | pw01.ge4.dk | AS24940 | Hetzner Online GmbH | 178.63.0.0/16 | 🇩🇪 Germany | Falkenstein |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 178.63.156.212 |
| TXT Record |
|---|
| v=spf1 ip4:178.63.156.208/29 -all |
| Policy | Record (cxu.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:178.63.156.208/29 -all |
| Policy | Record (_dmarc.cxu.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; sp=quarantine; rua=mailto:utaq5se7@ag.dmarcian.com |
| www | 80.243.116.214 (AS31027) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
DNS lookups: 0/10 · policy: -all
No problems found| 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 | 2024021304 |
| Primary NS (MNAME) | ns1.ge4.dk |
| Responsible (RNAME) | support\@ge4@dk |
| Refresh | 7200s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2010-12-09 |
| Expires | 2026-12-31 (75d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
| Domain | Registrar |
|---|---|
| mainframesupport.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-14 05:42:16 | 5639ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-30 17:57:53 | 4635ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-14 20:44:42 | 6808ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-07 03:23:39 | 5281ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-27 12:22:39 | 16806ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-20 20:11:17 | 12157ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-26 21:32:22 shown | 2881ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-16 23:23:37 | 2409ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-16 23:20:14 | 1001ms | 2 NS 1 A 3 MX | 🔓 Insecure |