l-fn.dk
Last scanned: 2026-09-03 02:37:56  ·  843ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   77ms
NameserverIP addressesPTRASN / ISP
helium.ns.hetzner.de 193.47.99.5
2001:67c:192c::add:5		 helium.ns.hetzner.de
helium.ns.hetzner.de		 AS12337 noris network AG
AS12337 noris network AG
hydrogen.ns.hetzner.com 213.133.100.98
2a01:4f8:0:1::add:1098		 hydrogen.ns.hetzner.com
hydrogen.ns.hetzner.com		 AS24940 Hetzner Online GmbH
AS24940 Hetzner Online GmbH
oxygen.ns.hetzner.com 2a01:4f8:0:1::add:2992
88.198.229.192		 oxygen.ns.hetzner.com
oxygen.ns.hetzner.com		 AS24940 Hetzner Online GmbH
AS24940 Hetzner Online GmbH
🌍 A Records
🌍
No A records found
📧 MX Records1 records   74ms
PriorityTTLMail ServerIP addressesPTRASN
10 86400s 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   319ms
TXT Record
t-verify=b585992be94c773493344bae84bf1817
v=spf1 include:spf.tutanota.de -all
✉️ SPF
PolicyRecord (l-fn.dk)
-all (hard fail) v=spf1 include:spf.tutanota.de -all
📨 DMARC
PolicyRecord (_dmarc.l-fn.dk)
p=quarantine v=DMARC1; p=quarantine; adkim=s
📬 MTA-STS345ms
CheckResult
Status🔒 Enforce
TXT record (_mta-sts)✓ Found
HTTPS policy✓ Valid
Modeenforce
Policy ID20190723
max_age86400s
Policy MXmail.tutanota.de
📈 TLSRPT
✗ No TLSRPT record — no SMTP TLS failure reporting
📜 CAA Records
✗ No CAA records — any CA may issue certificates
🔗 TLSA / DANE1 records   162ms
Service / OwnerTypeCert association
SMTP _25._tcp.mail.tutanota.de DANE-EE · Full cert · SHA-256 D141F8F3A4AAC2E4D2677AAFCC723D8E…
🔐 DNSSEC111ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsresolution failed: ncache nxrrset
🏷️ SOA0ms
FieldValue
Serial2025122600
Primary NS (MNAME)hydrogen.ns.hetzner.com
Responsible (RNAME)dns@hetzner.com
Refresh86400s
Retry10800s
Expire3600000s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
77ms
A
65ms
MX
74ms
AAAA
69ms
TXT
319ms
CAA
61ms
HTTPS
71ms
TLSA
162ms
SOA
0ms
MTA-STS
345ms
DNSSEC
111ms
SRV
106ms
Total
843ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-03 02:37:56 843ms 3 NS 0 A 1 MX 🔓 Insecure View
2026-09-01 08:51:06 871ms 3 NS 0 A 1 MX 🔓 Insecure View
2026-06-25 11:32:37 2686ms 3 NS 0 A 1 MX 🔓 Insecure View
2026-06-24 10:04:46 976ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-20 23:35:51 857ms 3 NS 0 A 1 MX 🔓 Insecure View
2026-06-17 19:57:18 2066ms 3 NS 0 A 1 MX 🔓 Insecure View
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