cuk-frederikssund.dk DNS records

🖥️ Nameservers2 records 112ms

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 Records2 records 105ms

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 85ms

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 Records1 records 82ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.15.47,172.67.205.136 ech=AEX+DQBBYQAgACCiXPj/HekqKfXm+fk8uhhqX5SewTv4S7jrJSS/ZkhefgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:cd88,2606:4700:3037::6815:f2f

📝 TXT Records1 records 325ms

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

🔗 TLSA / DANE

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

🔐 DNSSEC236ms

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

🏷️ SOA0ms

Field	Value
Serial	2413592658
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 — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

112ms

A

105ms

MX

105ms

AAAA

85ms

TXT

325ms

CAA

104ms

HTTPS

82ms

TLSA

91ms

SOA

0ms

MTA-STS

181ms

DNSSEC

236ms

SRV

149ms

Total

1015ms

🕐 Scan History

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