cuk.dk

📜 Historical scan 2026-08-30 23:34:03 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cuk.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 26 January 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.231.106.8 is hosted by team.blue Denmark A/S (AS48854) in Denmark. The zone is not DNSSEC-signed, 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.

🖥️ Nameservers#

3 records 23ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 22ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.106.8	3600s	linux13.unoeuro.com	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 MX Records#

📧

No MX records found

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	94.231.106.8
🔶 Autoconfig	94.231.106.8

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

📝

No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 2026-10-12 08:12:56

www	94.231.106.8 (AS48854) (address records, no CNAME)
www vs bare domain	Same network cuk.dk: 94.231.106.8 (AS48854) www.cuk.dk: 94.231.106.8 (AS48854)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

95ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026083002
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-06 20:22:57

Field	Value
Registrar	Simply.com A/S
Registered	2001-01-26
Expires	2027-03-31 (164d)

📋 WHOIS#

⏱️ Lookup Timing#

23ms

22ms

33ms

AAAA

22ms

TXT

99ms

CAA

33ms

HTTPS

16ms

TLSA

43ms

SOA

0ms

MTA-STS

34ms

DNSSEC

95ms

SRV

54ms

Total

400ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-03 23:24:42	411ms	3 NS 1 A 0 MX	🔓 Insecure
2026-08-30 23:34:03 shown	400ms	3 NS 1 A 0 MX	🔓 Insecure
2026-08-25 08:03:00	576ms	3 NS 1 A 1 MX	🔓 Insecure
2026-08-13 16:22:34	9701ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-21 02:06:40	720ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-19 23:29:47	1710ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-16 23:11:45	2667ms	3 NS 1 A 1 MX	🔓 Insecure