cuk-frederikssund.dk

📜 Historical scan 2026-07-03 10:55:24 · ← Latest scan

⬇ 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 this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 399ms

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 431ms

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 401ms

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 385ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.15.47,172.67.205.136 ech=AEX+DQBB3gAgACCPKMPUWYsfllfGVguuvZBi9k/vK3KCiR6DJ8kZWt9oGwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:cd88,2606:4700:3037::6815:f2f

📝 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 2026-10-09 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#

831ms

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	2408302760
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#

399ms

431ms

382ms

AAAA

401ms

TXT

1116ms

CAA

329ms

HTTPS

385ms

TLSA

531ms

SOA

0ms

MTA-STS

537ms

DNSSEC

831ms

SRV

467ms

Total

8603ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 10:29:33	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 shown	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