cxu.dk

Records from scan: 2026-10-14 05:42:16 · 5639ms total · last checked 2026-10-16 09:07 (unchanged)

⬇ 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 80.243.116.214 is hosted by GlobalConnect A/S (AS31027) in Denmark. 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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 98ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.ge4.dk	80.243.116.211	—	AS31027 GlobalConnect A/S
ns2.ge4.dk	87.48.148.14	—	AS3292 TDC Holding A/S

🌍 A Records#

1 records 115ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
80.243.116.214	600s	mail.ge4.dk	AS31027	GlobalConnect A/S	80.243.112.0/20	🇩🇰 Denmark	Copenhagen

📧 MX Records#

2 records 93ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	mx1.ge4.dk	80.243.116.214	mail.ge4.dk	AS31027 GlobalConnect A/S
20	600s	mx2.ge4.dk	87.48.148.13	—	AS3292 TDC Holding A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	mail.ge4.dk → 80.243.116.214

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 468ms

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

📝 TXT Records#

1 records 477ms

TXT Record
v=spf1 ip4:80.243.116.210/28 -all

✉️ SPF#

Policy	Record (cxu.dk)
-all (hard fail)	v=spf1 ip4:80.243.116.210/28 -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#

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#

328ms

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

🏷️ SOA#

71ms

Field	Value
Serial	2026082613
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 (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#

98ms

115ms

93ms

AAAA

125ms

TXT

477ms

CAA

138ms

HTTPS

141ms

TLSA

81ms

SOA

71ms

MTA-STS

179ms

DNSSEC

328ms

SRV

468ms

Total

5639ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-14 05:42:16 shown	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	1001ms	2 NS 1 A 3 MX	🔓 Insecure