cuk-frederikssund.dk

Records from scan: 2026-10-09 10:29:33 · 738ms total · last checked 2026-10-18 21:13 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cuk-frederikssund.dk is a .dk domain served by 2 nameservers (amir.ns.cloudflare.com, keira.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.15.47 is hosted by Cloudflare, Inc. (AS13335). The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. 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 55ms

Nameserver	IP addresses	PTR	ASN / ISP
amir.ns.cloudflare.com	108.162.193.62 172.64.33.62 173.245.59.62 2606:4700:58::adf5:3b3e 2803:f800:50::6ca2:c13e 2a06:98c1:50::ac40:213e	amir.ns.cloudflare.com amir.ns.cloudflare.com amir.ns.cloudflare.com amir.ns.cloudflare.com amir.ns.cloudflare.com amir.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
keira.ns.cloudflare.com	108.162.194.206 162.159.38.206 172.64.34.206 2606:4700:50::a29f:26ce 2803:f800:50::6ca2:c2ce 2a06:98c1:50::ac40:22ce	keira.ns.cloudflare.com keira.ns.cloudflare.com keira.ns.cloudflare.com keira.ns.cloudflare.com keira.ns.cloudflare.com keira.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 48ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.15.47	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.205.136	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 40ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::ac43:cd88	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::6815:f2f	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 44ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.15.47,172.67.205.136 ech=AEX+DQBB8gAgACCIZ8uQXidaAaC48rHXa9UK3cXHkpyHTn9GHoptCod4GAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:cd88,2606:4700:3037::6815:f2f

📝 TXT Records#

1 records 170ms

TXT Record
google-site-verification=UQvlVwJaufR4zF4pJEuzcR6RhTR2YIWhrsReIMlzGY4

✉️ 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#

checked 2026-10-09 10:29:33

www	104.21.15.47 172.67.205.136 2606:4700:3032::ac43:cd88 2606:4700:3037::6815:f2f (AS13335) (address records, no CNAME)
www vs bare domain	Same network cuk-frederikssund.dk: 104.21.15.47 172.67.205.136 2606:4700:3032::ac43:cd88 2606:4700:3037::6815:f2f (AS13335) www.cuk-frederikssund.dk: 104.21.15.47 172.67.205.136 2606:4700:3032::ac43:cd88 2606:4700:3037::6815:f2f (AS13335)
Wildcard	No

🔗 TLSA / DANE#

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

🔐 DNSSEC#

132ms

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

🏷️ SOA#

56ms

Field	Value
Serial	2416842468
Primary NS (MNAME)	amir.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

55ms

48ms

42ms

AAAA

40ms

TXT

170ms

CAA

54ms

HTTPS

44ms

TLSA

77ms

SOA

56ms

MTA-STS

67ms

DNSSEC

132ms

SRV

64ms

Total

738ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 10:29:33 shown	738ms	2 NS 2 A 0 MX	🔓 Insecure
2026-10-07 09:27:10	1059ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-20 11:40:58	517ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-01 13:31:15	1015ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-29 09:27:07	939ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-09 17:46:12	3199ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-10 11:17:48	9065ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-03 10:55:24	8603ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-27 01:45:27	825ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-26 18:23:22	904ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-24 20:26:14	770ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-16 23:10:16	386ms	2 NS 2 A 0 MX	🔓 Insecure