klauskarlsen.dk DNS records

🖥️ Nameservers2 records 28ms

Nameserver	IP addresses	PTR	ASN / ISP
bingo.ns.cloudflare.com	108.162.194.36 162.159.38.36 172.64.34.36 2606:4700:50::a29f:2624 2803:f800:50::6ca2:c224 2a06:98c1:50::ac40:2224	bingo.ns.cloudflare.com bingo.ns.cloudflare.com bingo.ns.cloudflare.com bingo.ns.cloudflare.com bingo.ns.cloudflare.com bingo.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
mcgrory.ns.cloudflare.com	108.162.195.170 162.159.44.170 172.64.35.170 2606:4700:58::a29f:2caa 2803:f800:50::6ca2:c3aa 2a06:98c1:50::ac40:23aa	mcgrory.ns.cloudflare.com mcgrory.ns.cloudflare.com mcgrory.ns.cloudflare.com mcgrory.ns.cloudflare.com mcgrory.ns.cloudflare.com mcgrory.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records

🌍

No A records found

📧 MX Records1 records 26ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mail.tutanota.de	185.205.69.211 185.205.69.213 185.205.69.214	mail.w11.tutanota.de mail.w13.tutanota.de mail.w14.tutanota.de	AS210909 Tutao GmbH AS210909 Tutao GmbH AS210909 Tutao GmbH

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 172ms

TXT Record
t-verify=d87343c2240c9c89a6f9c871ad545c40
v=spf1 include:spf.tutanota.de -all

✉️ SPF

Policy	Record (klauskarlsen.dk)
-all (hard fail)	v=spf1 include:spf.tutanota.de -all

📨 DMARC

Policy	Record (_dmarc.klauskarlsen.dk)
p=quarantine	v=DMARC1; p=quarantine; adkim=s

📬 MTA-STS308ms

Check	Result
Status	🔒 Enforce
TXT record (_mta-sts)	✓ Found
HTTPS policy	✓ Valid
Mode	enforce
Policy ID	20190723
max_age	86400s
Policy MX	mail.tutanota.de

📈 TLSRPT

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records

✗ No CAA records — any CA may issue certificates

🔗 TLSA / DANE1 records 115ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mail.tutanota.de	DANE-EE · Full cert · SHA-256	D141F8F3A4AAC2E4D2677AAFCC723D8E…

🔐 DNSSEC104ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA0ms

Field	Value
Serial	2413518050
Primary NS (MNAME)	bingo.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

28ms

A

43ms

MX

26ms

AAAA

24ms

TXT

172ms

CAA

26ms

HTTPS

25ms

TLSA

115ms

SOA

0ms

MTA-STS

308ms

DNSSEC

104ms

SRV

58ms

Total

751ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-30 21:24:46	751ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-08-28 01:22:20	1584ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-08-27 01:06:53	9660ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-08-25 22:10:27	787ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-08-18 10:40:25	4815ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-08-16 05:07:45	1682ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-08-15 04:26:44	3710ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-08-12 09:20:07	1701ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-08-09 16:14:18	9023ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-07-16 08:57:08	1165ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-06-30 03:38:56	1053ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-06-25 05:43:40	1419ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-06-19 09:29:53	1094ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-06-18 10:33:57	13830ms	2 NS 0 A 1 MX	❓ Unknown	View
2026-06-17 12:11:45	815ms	2 NS 0 A 1 MX	🔓 Insecure	View