cxu.dk

📜 Historical scan 2026-06-16 23:20:14 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

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.

🖥️ Nameservers#

2 records 99ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.ge4.dk	—	—	—
ns2.ge4.dk	—	—	—

🌍 A Records#

1 records 91ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
178.63.156.212	—	pw01.ge4.dk	AS24940	Hetzner Online GmbH	178.63.0.0/16	🇩🇪 Germany	Falkenstein

📧 MX Records#

3 records 103ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	relay.ge4.dk	178.63.156.210	relay.ge4.dk	AS24940 Hetzner Online GmbH
20	—	relay1-backup.ge4.dk	178.63.191.145	hetzner.ge4.dk	AS24940 Hetzner Online GmbH
30	—	tar.junkemailfilter.com	184.105.182.213 184.105.182.214 184.105.182.215 184.105.182.223 184.105.182.224 184.105.182.225	— — — — — —	AS6939 Hurricane Electric LLC AS6939 Hurricane Electric LLC AS6939 Hurricane Electric LLC AS6939 Hurricane Electric LLC AS6939 Hurricane Electric LLC AS6939 Hurricane Electric LLC

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 293ms

TXT Record
v=spf1 ip4:178.63.156.208/29 -all

✉️ SPF#

Policy	Record (cxu.dk)
-all (hard fail)	v=spf1 ip4:178.63.156.208/29 -all

📨 DMARC#

Policy	Record (_dmarc.cxu.dk)
p=quarantine	v=DMARC1; p=quarantine; sp=quarantine; rua=mailto:utaq5se7@ag.dmarcian.com

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-14 05:42:16

www	80.243.116.214 (AS31027) (address records, no CNAME)
www vs bare domain	Same network cxu.dk: 80.243.116.214 (AS31027) www.cxu.dk: 80.243.116.214 (AS31027)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

193ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

94ms

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

📋 Registration#

WHOIS fetched 2026-10-15 04:08:41

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2010-12-09
Expires	2026-12-31 (75d)

🔗 Same registrant#

1 domain

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)

📋 WHOIS#

⏱️ Lookup Timing#

99ms

91ms

103ms

AAAA

113ms

TXT

293ms

CAA

103ms

HTTPS

128ms

TLSA

208ms

SOA

94ms

MTA-STS

98ms

DNSSEC

193ms

SRV

0ms

Total

1001ms

🕐 Scan History#

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	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 shown	1001ms	2 NS 1 A 3 MX	🔓 Insecure