fsn.dk DNS records

🖥️ Nameservers2 records 137ms

Nameserver	IP addresses	PTR	ASN / ISP
kolton.ns.cloudflare.com	108.162.195.25 162.159.44.25 172.64.35.25 2606:4700:58::a29f:2c19 2803:f800:50::6ca2:c319 2a06:98c1:50::ac40:2319	kolton.ns.cloudflare.com kolton.ns.cloudflare.com kolton.ns.cloudflare.com kolton.ns.cloudflare.com kolton.ns.cloudflare.com kolton.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
maria.ns.cloudflare.com	108.162.192.192 172.64.32.192 173.245.58.192 2606:4700:50::adf5:3ac0 2803:f800:50::6ca2:c0c0 2a06:98c1:50::ac40:20c0	maria.ns.cloudflare.com maria.ns.cloudflare.com maria.ns.cloudflare.com maria.ns.cloudflare.com maria.ns.cloudflare.com maria.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 119ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.57.114	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.163.111	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

🔷 AAAA Records (IPv6)2 records 199ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::ac43:a36f	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::6815:3972	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 161ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.57.114,172.67.163.111 ech=AEX+DQBBVQAgACDPfLAmB0uga3AiIscveY2s4hfV4+H+dwVje1Q4wvfcPQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:a36f,2606:4700:3036::6815:3972

📝 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

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.fsn.dk	DzYs9kaKQx2mlqDq4yDrzKcS4GsU6m-hkrF40ecDa4k
TXT	_acme-challenge.fsn.dk	kYoYIn_1Z8IINENQsPgvwUNOd-7xY7Bxh-z3re3T-Kw

🔗 TLSA / DANE

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

🔐 DNSSEC283ms

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	2413606371
Primary NS (MNAME)	kolton.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

137ms

A

119ms

MX

75ms

AAAA

199ms

TXT

381ms

CAA

110ms

HTTPS

161ms

TLSA

158ms

SOA

0ms

MTA-STS

234ms

DNSSEC

283ms

SRV

194ms

Total

1409ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 12:16:49	1409ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-27 12:52:22	2677ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-27 00:37:47	9502ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-06 20:35:52	9076ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-11 00:19:24	912ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-23 04:37:28	3523ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-21 11:59:50	1179ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 03:50:02	1710ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-17 10:17:48	1009ms	2 NS 2 A 0 MX	🔓 Insecure	View