barkode.dk
Last scanned: 2026-06-26 21:24:05  ·  2987ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   301ms
NameserverIP addressesPTRASN / ISP
ns1.simply.com 2a02:2339:1:15c::4562:4562
91.197.248.78		 ns1.simply.com
ns1.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns2.simply.com 185.25.141.15
2a02:2339:4006:101::4562:4562		 ns2.simply.com
ns2.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns3.simply.com 91.197.248.79 ns3.simply.com AS48854 team.blue Denmark A/S
🌍 A Records
🌍
No A records found
📧 MX Records1 records   358ms
PriorityTTLMail ServerIP addressesPTRASN
10 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   569ms
TXT Record
t-verify=d5a7e3a8580510c2f5c7b1a0bd486665
v=spf1 include:spf.tutanota.de -all
✉️ SPF
PolicyRecord (barkode.dk)
-all (hard fail) v=spf1 include:spf.tutanota.de -all
📨 DMARC
PolicyRecord (_dmarc.barkode.dk)
p=quarantine v=DMARC1; p=quarantine; adkim=s
📬 MTA-STS670ms
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   180ms
Service / OwnerTypeCert association
SMTP _25._tcp.mail.tutanota.de DANE-EE · Full cert · SHA-256 D141F8F3A4AAC2E4D2677AAFCC723D8E…
🔐 DNSSEC487ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsresolution failed: ncache nxrrset
🏷️ SOA328ms
FieldValue
Serial2026053101
Primary NS (MNAME)ns1.simply.com
Responsible (RNAME)hostmaster@simply.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
301ms
A
220ms
MX
358ms
AAAA
158ms
TXT
569ms
CAA
257ms
HTTPS
163ms
TLSA
180ms
SOA
328ms
MTA-STS
670ms
DNSSEC
487ms
SRV
358ms
Total
2987ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-06-26 21:24:05 2987ms 3 NS 0 A 1 MX 🔒 Secure View
2026-06-22 18:58:40 1140ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-20 15:09:41 666ms 3 NS 0 A 1 MX 🔒 Secure View
2026-06-16 14:07:26 866ms 3 NS 0 A 1 MX 🔒 Secure View
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