cxu.dk

📜 Historical scan 2026-09-07 03:23:39 · ← 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 178.63.156.209 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by mx1.ge4.dk, mx2.ge4.dk. 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 144ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.ge4.dk	178.63.156.211	pl02.ge4.dk	AS24940 Hetzner Online GmbH
ns2.ge4.dk	87.48.148.14	—	AS3292 TDC Holding A/S

🌍 A Records#

1 records 129ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
178.63.156.209	600s	mail.ge4.dk	AS24940	Hetzner Online GmbH	178.63.0.0/16	🇩🇪 Germany	Falkenstein

📧 MX Records#

2 records 134ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	mx1.ge4.dk	178.63.156.209	mail.ge4.dk	AS24940 Hetzner Online GmbH
20	600s	mx2.ge4.dk	87.48.148.13	—	AS3292 TDC Holding A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	mail.ge4.dk → 178.63.156.209

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 202ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	0	443	mail.ge4.dk

📝 TXT Records#

1 records 260ms

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#

184ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026082612
Primary NS (MNAME)	ns1.ge4.dk
Responsible (RNAME)	support@ge4.dk
Refresh	7200s
Retry	60s
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 (70d)

🔗 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#

144ms

129ms

134ms

AAAA

103ms

TXT

260ms

CAA

112ms

HTTPS

76ms

TLSA

66ms

SOA

0ms

MTA-STS

103ms

DNSSEC

184ms

SRV

202ms

Total

5281ms

🕐 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 shown	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	1001ms	2 NS 1 A 3 MX	🔓 Insecure