rusmann-christensen.dk
Last scanned: 2026-08-28 11:28:47  ·  1000ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   46ms
🌍 A Records1 records   93ms
📧 MX Records2 records   45ms
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records2 records   350ms
TXT Record
protonmail-verification=b8acbc955c7b373276ae1aedbb51fe39ab2acb99
v=spf1 include:_spf.protonmail.ch ~all
✉️ SPF
PolicyRecord (rusmann-christensen.dk)
~all (soft fail) v=spf1 include:_spf.protonmail.ch ~all
📨 DMARC
PolicyRecord (_dmarc.rusmann-christensen.dk)
p=quarantine v=DMARC1; p=quarantine
📬 MTA-STS
✗ No MTA-STS policy — SMTP TLS not enforced
📈 TLSRPT
✗ No TLSRPT record — no SMTP TLS failure reporting
📜 CAA Records
✗ No CAA records — any CA may issue certificates
🔗 TLSA / DANE4 records   87ms
Service / OwnerTypeCert association
SMTP _25._tcp.mail.protonmail.ch DANE-EE · SPKI · SHA-256 76BB66711DA416433CA890A5B2E5A053…
SMTP _25._tcp.mail.protonmail.ch DANE-EE · SPKI · SHA-256 6111A5698D23C89E09C36FF833C1487E…
SMTP _25._tcp.mailsec.protonmail.ch DANE-EE · SPKI · SHA-256 76BB66711DA416433CA890A5B2E5A053…
SMTP _25._tcp.mailsec.protonmail.ch DANE-EE · SPKI · SHA-256 6111A5698D23C89E09C36FF833C1487E…
🔐 DNSSEC110ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2026041400
Primary NS (MNAME)hydrogen.ns.hetzner.com
Responsible (RNAME)dns@hetzner.com
Refresh86400s
Retry10800s
Expire3600000s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
46ms
A
93ms
MX
45ms
AAAA
44ms
TXT
350ms
CAA
70ms
HTTPS
72ms
TLSA
87ms
SOA
0ms
MTA-STS
106ms
DNSSEC
110ms
SRV
101ms
Total
1000ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-28 11:28:47 1000ms 3 NS 1 A 2 MX 🔓 Insecure View
2026-06-17 11:42:53 1088ms 3 NS 1 A 2 MX 🔓 Insecure View
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