cklart.dk DNS records

🖥️ Nameservers2 records 61ms

Nameserver	IP addresses	PTR	ASN / ISP
patryk.ns.cloudflare.com	108.162.195.122 162.159.44.122 172.64.35.122 2606:4700:58::a29f:2c7a 2803:f800:50::6ca2:c37a 2a06:98c1:50::ac40:237a	patryk.ns.cloudflare.com patryk.ns.cloudflare.com patryk.ns.cloudflare.com patryk.ns.cloudflare.com patryk.ns.cloudflare.com patryk.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
sarah.ns.cloudflare.com	108.162.194.218 162.159.38.218 172.64.34.218 2606:4700:50::a29f:26da 2803:f800:50::6ca2:c2da 2a06:98c1:50::ac40:22da	sarah.ns.cloudflare.com sarah.ns.cloudflare.com sarah.ns.cloudflare.com sarah.ns.cloudflare.com sarah.ns.cloudflare.com sarah.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 54ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.21.50	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.196.107	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records2 records 43ms

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

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔶 Autoconfig	maildiscover.simply.com → 94.231.108.222

🔷 AAAA Records (IPv6)2 records 60ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::6815:1532	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::ac43:c46b	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 54ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.21.50,172.67.196.107 ech=AEX+DQBBZgAgACAYdmgCkTsa2PgYW+zQSDaSnvysI4SnvjOrK1NFqHx9DAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:1532,2606:4700:3036::ac43:c46b

🔌 SRV Records1 records 77ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	maildiscover.simply.com

📝 TXT Records3 records 216ms

TXT Record
google-site-verification=47oo7hFdJTK-et46elxqe9il9A5CTgINHwq38kpwVDY
protonmail-verification=712c8dcd9a274f5218c6a3771e5d627f47bc1786
v=spf1 include:_spf.protonmail.ch ~all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.cklart.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

🔗 TLSA / DANE4 records 78ms

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…

🔐 DNSSEC9084ms

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	2411697566
Primary NS (MNAME)	patryk.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

61ms

A

54ms

MX

43ms

AAAA

60ms

TXT

216ms

CAA

54ms

HTTPS

54ms

TLSA

78ms

SOA

0ms

MTA-STS

79ms

DNSSEC

9084ms

SRV

77ms

Total

10280ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-09 08:02:35	10280ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-07-20 01:20:28	1307ms	2 NS 2 A 2 MX	❓ Unknown	View
2026-06-29 12:16:43	1124ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-06-16 22:35:09	65535ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-06-16 21:10:34	2351ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-06-16 21:00:28	585ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-06-16 21:00:07	912ms	2 NS 2 A 2 MX	🔓 Insecure	View