teufel.dk
Last scanned: 2026-08-31 13:33:52  ·  813ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   46ms
NameserverIP addressesPTRASN / ISP
ns01.one.com 195.206.121.10
2001:67c:28cc::10		 ns01.one.com
ns01.one.com		 AS197495 One.com A/S
AS197495 One.com A/S
ns02.one.com 185.10.11.10
2001:67c:3c0::10		 ns02.one.com
ns02.one.com		 AS51468 One.com A/S
AS51468 One.com A/S
🌍 A Records1 records   46ms
IPTTLPTRASNISP / OrgCIDRCountryCity
176.9.82.91 43200s static.91.82.9.176.clients.your-server.de AS24940 Hetzner Online GmbH 176.9.0.0/16 🇩🇪 Germany Falkenstein
📧 MX Records1 records   45ms
PriorityTTLMail ServerIP addressesPTRASN
0 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
ServiceCNAME / IP
🔷 Autodiscover176.9.82.91
🔶 Autoconfig176.9.82.91
🔷 AAAA Records (IPv6)1 records   53ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a01:4f8:151:204e::2 43200s — 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 Records2 records   197ms
TXT Record
t-verify=8254adbe2577fa6c711e157d1aee90d1
v=spf1 include:spf.tutanota.de -all
✉️ SPF
PolicyRecord (teufel.dk)
-all (hard fail) v=spf1 include:spf.tutanota.de -all
📨 DMARC
PolicyRecord (_dmarc.teufel.dk)
p=quarantine v=DMARC1; p=quarantine; adkim=s
📬 MTA-STS262ms
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   135ms
Service / OwnerTypeCert association
SMTP _25._tcp.mail.tutanota.de DANE-EE · Full cert · SHA-256 D141F8F3A4AAC2E4D2677AAFCC723D8E…
🔐 DNSSEC95ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026032401
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
46ms
A
46ms
MX
45ms
AAAA
53ms
TXT
197ms
CAA
40ms
HTTPS
38ms
TLSA
135ms
SOA
0ms
MTA-STS
262ms
DNSSEC
95ms
SRV
90ms
Total
813ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-31 13:33:52 813ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-26 16:22:47 952ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-25 22:24:41 826ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-26 15:10:29 837ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-18 03:26:25 1066ms 2 NS 1 A 1 MX 🔒 Secure View
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