unserialized.dk DNS records

🖥️ Nameservers2 records 32ms

Nameserver	IP addresses	PTR	ASN / ISP
leah.ns.cloudflare.com	108.162.192.129 172.64.32.129 173.245.58.129 2606:4700:50::adf5:3a81 2803:f800:50::6ca2:c081 2a06:98c1:50::ac40:2081	leah.ns.cloudflare.com leah.ns.cloudflare.com leah.ns.cloudflare.com leah.ns.cloudflare.com leah.ns.cloudflare.com leah.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
theo.ns.cloudflare.com	108.162.193.144 172.64.33.144 173.245.59.144 2606:4700:58::adf5:3b90 2803:f800:50::6ca2:c190 2a06:98c1:50::ac40:2190	theo.ns.cloudflare.com theo.ns.cloudflare.com theo.ns.cloudflare.com theo.ns.cloudflare.com theo.ns.cloudflare.com theo.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records1 records 37ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
188.40.18.34	300s	static.34.18.40.188.clients.your-server.de	AS24940	Hetzner Online GmbH	188.40.0.0/16	🇩🇪 Germany	—

📧 MX Records1 records 37ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	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

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	188.40.18.34
🔶 Autoconfig	188.40.18.34

🔷 AAAA Records (IPv6)1 records 45ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a01:4f8:d12:1ecd::2	300s	—	AS24940	Hetzner Online GmbH	2a01:4f8:0:0:0:0:0:0/31	🇩🇪 Germany	—

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records3 records 197ms

TXT Record
google-site-verification=kQJrcJ9tcT8CcLGuinElBUxTpnlY_m8wp9PnTq0waPo
t-verify=c495ebbc1875faeb2ff81a7f5e492d20
v=spf1 include:spf.tutanota.de -all

✉️ SPF

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

📨 DMARC

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

📬 MTA-STS309ms

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 190ms

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

🔐 DNSSEC66ms

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	2410073854
Primary NS (MNAME)	leah.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

32ms

A

37ms

MX

37ms

AAAA

45ms

TXT

197ms

CAA

33ms

HTTPS

39ms

TLSA

190ms

SOA

0ms

MTA-STS

309ms

DNSSEC

66ms

SRV

65ms

Total

796ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-04 00:42:59	796ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-26 23:02:29	809ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-22 13:30:15	1230ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-20 22:32:23	1126ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-27 05:53:40	1195ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-22 04:14:13	7690ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-20 17:15:15	1056ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 23:35:30	1475ms	2 NS 1 A 1 MX	🔓 Insecure	View