tesk.dk
Last scanned: 2026-08-10 02:55:02  ·  8943ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   89ms
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   82ms
IPTTLPTRASNISP / OrgCIDRCountryCity
92.118.160.3 21600s — AS7843 Charter Communications Inc 92.118.160.0/24 🇺🇸 United States Sacramento
📧 MX Records1 records   82ms
PriorityTTLMail ServerIP addressesPTRASN
10 7200s 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   8272ms
TXT Record
t-verify=b8b26bfaf45737852e7035a86a81e7a8
v=spf1 include:spf.tutanota.de -all
✉️ SPF
PolicyRecord (tesk.dk)
-all (hard fail) v=spf1 include:spf.tutanota.de -all
📨 DMARC
PolicyRecord (_dmarc.tesk.dk)
p=quarantine v=DMARC1; p=quarantine; adkim=s
📬 MTA-STS280ms
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   138ms
Service / OwnerTypeCert association
SMTP _25._tcp.mail.tutanota.de DANE-EE · Full cert · SHA-256 D141F8F3A4AAC2E4D2677AAFCC723D8E…
🔐 DNSSEC203ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026080801
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
89ms
A
82ms
MX
82ms
AAAA
79ms
TXT
8272ms
CAA
77ms
HTTPS
70ms
TLSA
138ms
SOA
0ms
MTA-STS
280ms
DNSSEC
203ms
SRV
129ms
Total
8943ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-10 02:55:02 8943ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-20 22:13:19 5133ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-10 12:17:04 5032ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-27 14:18:50 1005ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-24 01:49:20 1150ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-24 01:12:36 908ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-20 01:06:15 2924ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-18 01:09:12 1249ms 2 NS 1 A 1 MX 🔒 Secure View
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