klausbaerentsen.dk DNS records

🖥️ Nameservers2 records 39ms

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 37ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.29.36	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.171.76	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 43ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mail.klausbaerentsen.dk	107.6.136.42	amsr201.websitehostserver.net	AS32475 Internap Holding LLC

🔷 AAAA Records (IPv6)2 records 40ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::ac43:ab4c	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::6815:1d24	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 42ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.29.36,172.67.171.76 ech=AEX+DQBBMwAgACAgxhomKHehEW58NJqh4dTyKWEWuazzuXDGTTnRaCl5ZQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:ab4c,2606:4700:3035::6815:1d24

📝 TXT Records1 records 279ms

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

✉️ SPF

Policy	Record (klausbaerentsen.dk)
-all (hard fail)	v=spf1 a mx ip4:107.6.136.42 -all

📨 DMARC

Policy	Record (_dmarc.klausbaerentsen.dk)
p=quarantine	v=DMARC1; p=quarantine;

📬 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.klausbaerentsen.dk	YudXXOPEizQYX0_7FlLqUI41WJmChN0QbNGONwli7xA
TXT	_acme-challenge.klausbaerentsen.dk	eAtiXFZnHueoFyGRde80-g-bD7aWUc4yXoHUosAH290

🔗 TLSA / DANE

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

🔐 DNSSEC113ms

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

🏷️ SOA0ms

Field	Value
Serial	2413285347
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

39ms

A

37ms

MX

43ms

AAAA

40ms

TXT

279ms

CAA

37ms

HTTPS

42ms

TLSA

220ms

SOA

0ms

MTA-STS

71ms

DNSSEC

113ms

SRV

92ms

Total

1131ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 13:20:11	1131ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-08-06 22:59:54	2333ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-07-18 18:20:52	2292ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-07-12 11:48:43	16820ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-06-28 05:55:48	1176ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-06-26 18:13:03	1372ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-06-20 18:39:35	1548ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-06-18 04:23:08	3933ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-06-18 04:12:42	9101ms	2 NS 2 A 1 MX	🔒 Secure	View