dass.dk
Last scanned: 2026-08-19 05:34:45  ·  1231ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   54ms
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   36ms
IPTTLPTRASNISP / OrgCIDRCountryCity
46.30.211.38 600s domain-parking.one.com AS51468 One.com A/S 46.30.208.0/21 🇩🇰 Denmark Copenhagen
📧 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
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records2 records   169ms
TXT Record
t-verify=e0acf85d1f15b52ccd3367409bb6d6c7
v=spf1 include:spf.tutanota.de -all
✉️ SPF
PolicyRecord (dass.dk)
-all (hard fail) v=spf1 include:spf.tutanota.de -all
📨 DMARC
PolicyRecord (_dmarc.dass.dk)
p=quarantine v=DMARC1; p=quarantine; adkim=s
📬 MTA-STS438ms
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   173ms
Service / OwnerTypeCert association
SMTP _25._tcp.mail.tutanota.de DANE-EE · Full cert · SHA-256 D141F8F3A4AAC2E4D2677AAFCC723D8E…
🔐 DNSSEC91ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026081801
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
54ms
A
36ms
MX
45ms
AAAA
43ms
TXT
169ms
CAA
64ms
HTTPS
36ms
TLSA
173ms
SOA
0ms
MTA-STS
438ms
DNSSEC
91ms
SRV
71ms
Total
1231ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-19 05:34:45 1231ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-09 11:37:41 5189ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-19 23:42:21 991ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-02 16:34:43 857ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-21 08:28:21 915ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 01:50:00 65535ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 01:10:57 2073ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 01:00:56 2692ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 01:00:20 784ms 2 NS 1 A 1 MX 🔒 Secure View
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