ssf.dk DNS records

🖥️ Nameservers2 records 30ms

Nameserver	IP addresses	PTR	ASN / ISP
heather.ns.cloudflare.com	108.162.192.161 172.64.32.161 173.245.58.161 2606:4700:50::adf5:3aa1 2803:f800:50::6ca2:c0a1 2a06:98c1:50::ac40:20a1	heather.ns.cloudflare.com heather.ns.cloudflare.com heather.ns.cloudflare.com heather.ns.cloudflare.com heather.ns.cloudflare.com heather.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
luke.ns.cloudflare.com	108.162.193.200 172.64.33.200 173.245.59.200 2606:4700:58::adf5:3bc8 2803:f800:50::6ca2:c1c8 2a06:98c1:50::ac40:21c8	luke.ns.cloudflare.com luke.ns.cloudflare.com luke.ns.cloudflare.com luke.ns.cloudflare.com luke.ns.cloudflare.com luke.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 27ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.25.100	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.133.253	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

🔷 AAAA Records (IPv6)2 records 39ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3037::6815:1964	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:85fd	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 25ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.25.100,172.67.133.253 ech=AEX+DQBBcAAgACBV/Zb5wHhwHaTFZTaHf11B2qZwTkWmffxMbdJAki9BNgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3037::6815:1964,2606:4700:3037::ac43:85fd

📝 TXT Records1 records 145ms

TXT Record
google-site-verification=HqXNKUK2N1tOIroeiVxMmmkl1LaqlY_pXgyFp4A8ZsQ

✉️ 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.ssf.dk	Jai0Dld1cQnE7CBd5lQXumQtTWSu7XanCT4wExRVRIg
TXT	_acme-challenge.ssf.dk	o9kfmwxKbvcVlvMIQS36e_7rAsnWKElqWfdG24FOPaw

🔗 TLSA / DANE

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

🔐 DNSSEC96ms

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	2413494764
Primary NS (MNAME)	heather.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

30ms

A

27ms

MX

31ms

AAAA

39ms

TXT

145ms

CAA

23ms

HTTPS

25ms

TLSA

39ms

SOA

0ms

MTA-STS

52ms

DNSSEC

96ms

SRV

47ms

Total

488ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-30 07:36:06	488ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-17 18:43:55	861ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-25 03:36:57	689ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-24 06:13:54	1001ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 14:51:29	2520ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-19 15:08:54	513ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-17 13:45:15	2421ms	2 NS 2 A 0 MX	🔓 Insecure	View