føs.dk DNS records

🖥️ Nameservers2 records 135ms

Nameserver	IP addresses	PTR	ASN / ISP
reese.ns.cloudflare.com	108.162.195.117 162.159.44.117 172.64.35.117 2606:4700:58::a29f:2c75 2803:f800:50::6ca2:c375 2a06:98c1:50::ac40:2375	reese.ns.cloudflare.com reese.ns.cloudflare.com reese.ns.cloudflare.com reese.ns.cloudflare.com reese.ns.cloudflare.com reese.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
sierra.ns.cloudflare.com	108.162.194.245 162.159.38.245 172.64.34.245 2606:4700:50::a29f:26f5 2803:f800:50::6ca2:c2f5 2a06:98c1:50::ac40:22f5	sierra.ns.cloudflare.com sierra.ns.cloudflare.com sierra.ns.cloudflare.com sierra.ns.cloudflare.com sierra.ns.cloudflare.com sierra.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 118ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.17.87	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.175.100	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

🔷 AAAA Records (IPv6)2 records 139ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::6815:1157	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:af64	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 105ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.17.87,172.67.175.100 ech=AEX+DQBB/gAgACBj3ZQaazmR4RDKgbRkFbDDCXC7k/q2zBXwpGrN2qG/LQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:1157,2606:4700:3037::ac43:af64

📝 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.føs.dk	c9S9feWL1WfcniUZrCgNFjB93QRYKZAWY0y1XQ0TMCQ
TXT	_acme-challenge.føs.dk	cyDbu6Wt_PpfxaLCPIYJQreR8QswVgqgwiIxg0rJBgo

🔗 TLSA / DANE

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

🔐 DNSSEC365ms

Check	Result
Validation Status	❓ Unknown
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: ncache nxdomain

🏷️ SOA0ms

Field	Value
Serial	2413552357
Primary NS (MNAME)	reese.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

135ms

A

118ms

MX

124ms

AAAA

139ms

TXT

445ms

CAA

120ms

HTTPS

105ms

TLSA

192ms

SOA

0ms

MTA-STS

241ms

DNSSEC

365ms

SRV

197ms

Total

1818ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-30 18:08:04	1818ms	2 NS 2 A 0 MX	❓ Unknown	View
2026-08-28 02:26:05	1394ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-26 13:31:34	9501ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-18 05:52:07	1086ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-25 04:58:38	1077ms	2 NS 2 A 0 MX	❓ Unknown	View
2026-06-20 01:45:20	1310ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-06-19 08:40:11	777ms	2 NS 2 A 0 MX	🔒 Secure	View