f-frekvensen.dk DNS records

🖥️ Nameservers2 records 51ms

Nameserver	IP addresses	PTR	ASN / ISP
brit.ns.cloudflare.com	108.162.192.78 172.64.32.78 173.245.58.78 2606:4700:50::adf5:3a4e 2803:f800:50::6ca2:c04e 2a06:98c1:50::ac40:204e	brit.ns.cloudflare.com brit.ns.cloudflare.com brit.ns.cloudflare.com brit.ns.cloudflare.com brit.ns.cloudflare.com brit.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
drake.ns.cloudflare.com	108.162.195.14 162.159.44.14 172.64.35.14 2606:4700:58::a29f:2c0e 2803:f800:50::6ca2:c30e 2a06:98c1:50::ac40:230e	drake.ns.cloudflare.com drake.ns.cloudflare.com drake.ns.cloudflare.com drake.ns.cloudflare.com drake.ns.cloudflare.com drake.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 44ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.65.32	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.188.189	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

🔷 AAAA Records (IPv6)2 records 33ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3034::6815:4120	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:bcbd	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 43ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.65.32,172.67.188.189 ech=AEX+DQBBtwAgACBDcNyPRGjsFrXzLfFcOJ3OxG4EU3aJM0UYC6clTq7CIQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:4120,2606:4700:3037::ac43:bcbd

📝 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

🔗 TLSA / DANE

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

🔐 DNSSEC78ms

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	2409820148
Primary NS (MNAME)	brit.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

51ms

A

44ms

MX

42ms

AAAA

33ms

TXT

194ms

CAA

47ms

HTTPS

43ms

TLSA

51ms

SOA

0ms

MTA-STS

75ms

DNSSEC

78ms

SRV

60ms

Total

555ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 02:59:16	555ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-18 21:06:34	9714ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-09 00:01:31	9207ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-24 13:23:10	2647ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-24 07:45:36	976ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-19 22:32:43	2627ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-17 09:09:54	1002ms	2 NS 2 A 0 MX	🔓 Insecure	View