klausjensen.dk DNS records

🖥️ Nameservers2 records 81ms

Nameserver	IP addresses	PTR	ASN / ISP
betty.ns.cloudflare.com	108.162.192.75 172.64.32.75 173.245.58.75 2606:4700:50::adf5:3a4b 2803:f800:50::6ca2:c04b 2a06:98c1:50::ac40:204b	betty.ns.cloudflare.com betty.ns.cloudflare.com betty.ns.cloudflare.com betty.ns.cloudflare.com betty.ns.cloudflare.com betty.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
lars.ns.cloudflare.com	108.162.193.195 172.64.33.195 173.245.59.195 2606:4700:58::adf5:3bc3 2803:f800:50::6ca2:c1c3 2a06:98c1:50::ac40:21c3	lars.ns.cloudflare.com lars.ns.cloudflare.com lars.ns.cloudflare.com lars.ns.cloudflare.com lars.ns.cloudflare.com lars.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 116ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.21.248	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.201.117	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	klausjensen.dk → 91.221.196.251
🔶 Autoconfig	klausjensen.dk → 91.221.196.251

🔷 AAAA Records (IPv6)2 records 74ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:15f8	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3031::ac43:c975	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 86ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.21.248,172.67.201.117 ech=AEX+DQBBvAAgACDbcRsueUOUzqLL6O4KsNVVhOdqEDJ1qmUwE57t8WDkaQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:15f8,2606:4700:3031::ac43:c975

📝 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.klausjensen.dk	ALi5sJBMUdRCg7KRRmU7iyQCwwri1RqyJI3MQanNCAU
TXT	_acme-challenge.klausjensen.dk	Jdw0pjDYE-sPVS9TJfdYxV-Fhno9J5RuhdC5cmdBUl4

🔗 TLSA / DANE

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

🔐 DNSSEC239ms

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	2413653422
Primary NS (MNAME)	betty.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

81ms

A

116ms

MX

107ms

AAAA

74ms

TXT

337ms

CAA

86ms

HTTPS

86ms

TLSA

121ms

SOA

0ms

MTA-STS

125ms

DNSSEC

239ms

SRV

170ms

Total

1065ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 01:37:43	1065ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-27 17:15:27	1056ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-23 12:59:52	859ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-22 12:05:38	9761ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-17 11:50:12	1099ms	2 NS 2 A 0 MX	🔓 Insecure	View