tsklub.dk DNS records

🖥️ Nameservers2 records 25ms

Nameserver	IP addresses	PTR	ASN / ISP
karsyn.ns.cloudflare.com	108.162.194.194 162.159.38.194 172.64.34.194 2606:4700:50::a29f:26c2 2803:f800:50::6ca2:c2c2 2a06:98c1:50::ac40:22c2	karsyn.ns.cloudflare.com karsyn.ns.cloudflare.com karsyn.ns.cloudflare.com karsyn.ns.cloudflare.com karsyn.ns.cloudflare.com karsyn.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
venkat.ns.cloudflare.com	108.162.195.254 162.159.44.254 172.64.35.254 2606:4700:58::a29f:2cfe 2803:f800:50::6ca2:c3fe 2a06:98c1:50::ac40:23fe	venkat.ns.cloudflare.com venkat.ns.cloudflare.com venkat.ns.cloudflare.com venkat.ns.cloudflare.com venkat.ns.cloudflare.com venkat.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 29ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.6.61	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.134.140	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	104.21.6.61
🔶 Autoconfig	172.67.134.140

🔷 AAAA Records (IPv6)2 records 30ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:63d	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:868c	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 32ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.6.61,172.67.134.140 ech=AEX+DQBB+AAgACATcv+fK+Ptu0/bpXpp0D1wcGbigahtqny0PH7xycqfNwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:63d,2606:4700:3035::ac43:868c

📝 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)

🔐 DNSSEC98ms

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	2413151922
Primary NS (MNAME)	karsyn.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

25ms

A

29ms

MX

47ms

AAAA

30ms

TXT

145ms

CAA

26ms

HTTPS

32ms

TLSA

59ms

SOA

0ms

MTA-STS

47ms

DNSSEC

98ms

SRV

59ms

Total

514ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 23:08:08	514ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-25 11:08:14	581ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-19 12:27:47	893ms	2 NS 2 A 0 MX	❓ Unknown	View
2026-08-06 20:25:29	1379ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-20 23:48:27	3330ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-18 06:20:14	805ms	2 NS 2 A 0 MX	🔓 Insecure	View