tjekklinik.dk DNS records

🖥️ Nameservers2 records 34ms

Nameserver	IP addresses	PTR	ASN / ISP
carl.ns.cloudflare.com	108.162.193.106 172.64.33.106 173.245.59.106 2606:4700:58::adf5:3b6a 2803:f800:50::6ca2:c16a 2a06:98c1:50::ac40:216a	carl.ns.cloudflare.com carl.ns.cloudflare.com carl.ns.cloudflare.com carl.ns.cloudflare.com carl.ns.cloudflare.com carl.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
uma.ns.cloudflare.com	108.162.192.146 172.64.32.146 173.245.58.146 2606:4700:50::adf5:3a92 2803:f800:50::6ca2:c092 2a06:98c1:50::ac40:2092	uma.ns.cloudflare.com uma.ns.cloudflare.com uma.ns.cloudflare.com uma.ns.cloudflare.com uma.ns.cloudflare.com uma.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 25ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.70.114	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.223.21	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records2 records 28ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mail.protonmail.ch	176.119.200.128 185.205.70.128 185.70.42.128	mail.protonmail.ch mail.protonmail.ch mail.protonmail.ch	AS62371 Proton AG AS62371 Proton AG AS62371 Proton AG
20	300s	mailsec.protonmail.ch	176.119.200.129 185.205.70.129 185.70.42.129	mailsec.protonmail.ch mailsec.protonmail.ch mailsec.protonmail.ch	AS62371 Proton AG AS62371 Proton AG AS62371 Proton AG

🔷 AAAA Records (IPv6)2 records 34ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::ac43:df15	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::6815:4672	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 26ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.70.114,172.67.223.21 ech=AEX+DQBBbwAgACCcSqCCymWbpZSh2MukAi6EK9cGHbJNtMgI/KWdWVcZYAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:df15,2606:4700:3033::6815:4672

📝 TXT Records3 records 148ms

TXT Record
google-site-verification=Uv2FkMiU69UAJHewSxUhD4gC8SXcWMdi2jz6n0Wut6A
protonmail-verification=0e51f93b01e142bab0aba98d8ff6fca2ca43102d
v=spf1 include:_spf.protonmail.ch ~all

✉️ SPF

Policy	Record (tjekklinik.dk)
~all (soft fail)	v=spf1 include:_spf.protonmail.ch ~all

📨 DMARC

Policy	Record (_dmarc.tjekklinik.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.tjekklinik.dk	97__pamwZZlqXGnNzC8q5aHsPBnhs3cXnXwws5-u058
TXT	_acme-challenge.tjekklinik.dk	meB00U0oJlC0JHATaQkfR_Lo_nE9mcWKjqxM0X9IGKI

🔗 TLSA / DANE4 records 85ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mail.protonmail.ch	DANE-EE · SPKI · SHA-256	76BB66711DA416433CA890A5B2E5A053…
SMTP _25._tcp.mail.protonmail.ch	DANE-EE · SPKI · SHA-256	6111A5698D23C89E09C36FF833C1487E…
SMTP _25._tcp.mailsec.protonmail.ch	DANE-EE · SPKI · SHA-256	6111A5698D23C89E09C36FF833C1487E…
SMTP _25._tcp.mailsec.protonmail.ch	DANE-EE · SPKI · SHA-256	76BB66711DA416433CA890A5B2E5A053…

🔐 DNSSEC100ms

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	2413243716
Primary NS (MNAME)	carl.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

34ms

A

25ms

MX

28ms

AAAA

34ms

TXT

148ms

CAA

28ms

HTTPS

26ms

TLSA

85ms

SOA

0ms

MTA-STS

57ms

DNSSEC

100ms

SRV

47ms

Total

768ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 04:40:07	768ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-07-09 02:57:29	2337ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-06-28 06:07:53	2257ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-06-24 06:27:26	918ms	2 NS 2 A 2 MX	❓ Unknown	View
2026-06-19 22:51:07	670ms	2 NS 2 A 2 MX	⚠️ Bogus	View
2026-06-18 04:25:36	1248ms	2 NS 2 A 2 MX	🔓 Insecure	View