barkode.dk
📜 Historical scan 2026-06-16 14:07:26  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   43ms
NameserverIP addressesPTRASN / ISP
ns1.simply.com
ns2.simply.com
ns3.simply.com
🌍 A Records
🌍
No A records found
📧 MX Records1 records   34ms
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records2 records   126ms
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-STS393ms
CheckResult
Status🔒 Enforce
TXT record (_mta-sts)✓ Found
HTTPS policy✓ Valid
Modeenforce
Policy ID20190723
max_age86400s
Policy MX
📈 TLSRPT
✗ No TLSRPT record — no SMTP TLS failure reporting
📜 CAA Records
✗ No CAA records — any CA may issue certificates
🔗 TLSA / DANE1 records   83ms
Service / OwnerTypeCert association
SMTP _25._tcp.mail.tutanota.de DANE-EE · Full cert · SHA-256 D141F8F3A4AAC2E4D2677AAFCC723D8E…
🔐 DNSSEC141ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsresolution failed: ncache nxrrset
🏷️ SOA39ms
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
43ms
A
40ms
MX
34ms
AAAA
40ms
TXT
126ms
CAA
34ms
HTTPS
40ms
TLSA
83ms
SOA
39ms
MTA-STS
393ms
DNSSEC
141ms
SRV
0ms
Total
866ms
🕐 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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