klausbærentsen.dk DNS records

🖥️ Nameservers2 records 27ms

Nameserver	IP addresses	PTR	ASN / ISP
ray.ns.cloudflare.com	108.162.193.138 172.64.33.138 173.245.59.138 2606:4700:58::adf5:3b8a 2803:f800:50::6ca2:c18a 2a06:98c1:50::ac40:218a	ray.ns.cloudflare.com ray.ns.cloudflare.com ray.ns.cloudflare.com ray.ns.cloudflare.com ray.ns.cloudflare.com ray.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
sue.ns.cloudflare.com	108.162.192.145 172.64.32.145 173.245.58.145 2606:4700:50::adf5:3a91 2803:f800:50::6ca2:c091 2a06:98c1:50::ac40:2091	sue.ns.cloudflare.com sue.ns.cloudflare.com sue.ns.cloudflare.com sue.ns.cloudflare.com sue.ns.cloudflare.com sue.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 30ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.11.234	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.131.213	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 36ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mail.xn--klausbrentsen-8fb.dk	107.6.136.42	amsr201.websitehostserver.net	AS32475 Internap Holding LLC

🔷 AAAA Records (IPv6)2 records 26ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::ac43:83d5	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::6815:bea	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=104.21.11.234,172.67.131.213 ech=AEX+DQBBLwAgACDlmVUwD8Cq+WE29nBlLYRha2RDsR2VrAziDRdPTa9jUAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:83d5,2606:4700:3034::6815:bea

📝 TXT Records1 records 209ms

TXT Record
v=spf1 a mx ip4:107.6.136.42 ?all

✉️ SPF

Policy	Record (klausbærentsen.dk)
?all (neutral)	v=spf1 a mx ip4:107.6.136.42 ?all

📨 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.klausbærentsen.dk	TWqfLxecJbHxtn7J-s1A0LXMU6xNjMhiYoxPCy_6mm4
TXT	_acme-challenge.klausbærentsen.dk	lmR1tDQT3krZDSEzgDSV-aeQWKYaChihlHP5EVSqdBA

🔗 TLSA / DANE

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

🔐 DNSSEC97ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA0ms

Field	Value
Serial	2413945608
Primary NS (MNAME)	ray.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

27ms

A

30ms

MX

36ms

AAAA

26ms

TXT

209ms

CAA

26ms

HTTPS

25ms

TLSA

108ms

SOA

0ms

MTA-STS

40ms

DNSSEC

97ms

SRV

46ms

Total

2365ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-04 01:08:36	2365ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-08-30 17:39:46	1186ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-08-27 17:04:42	672ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-08-08 01:38:50	1954ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-07-10 17:20:24	3280ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-06-26 05:36:36	2650ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-06-25 09:34:59	1523ms	2 NS 2 A 1 MX	⚠️ Bogus	View
2026-06-21 10:00:53	348ms	0 NS 0 A 0 MX	🔒 Secure	View
2026-06-18 04:57:05	1197ms	2 NS 2 A 1 MX	🔒 Secure	View