zehnder-system.dk
Last scanned: 2026-07-02 09:50:25  ·  8194ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   45ms
🌍 A Records1 records   44ms
📧 MX Records1 records   47ms
PriorityTTLMail ServerIP addressesPTRASN
0 3600s .  Null MX — domain accepts no email (RFC 7505)
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   269ms
TXT Record
v=spf1 -all
✉️ SPF
PolicyRecord (zehnder-system.dk)
-all (hard fail) v=spf1 -all
📨 DMARC
PolicyRecord (_dmarc.zehnder-system.dk)
p=reject v=DMARC1; p=reject; sp=reject; rua=mailto:dmarc-rua@reports.zehndergroup.com; ruf=mailto:dmarc-ruf@reports.zehndergroup.com; adkim=s; aspf=s
📬 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 / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC2046ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA34ms
FieldValue
Serial2025100107
Primary NS (MNAME)ns9.managed-ip.com
Responsible (RNAME)domainadmin@managed-ip.com
Refresh43200s
Retry7200s
Expire1209600s
Minimum (neg-cache TTL)86400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
45ms
A
44ms
MX
47ms
AAAA
60ms
TXT
269ms
CAA
74ms
HTTPS
75ms
TLSA
105ms
SOA
34ms
MTA-STS
54ms
DNSSEC
2046ms
SRV
91ms
Total
8194ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-07-02 09:50:25 8194ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-06-23 06:04:05 3391ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-06-22 14:19:46 1176ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-20 07:13:49 1022ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-06-18 20:38:38 718ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-06-17 19:33:24 700ms 4 NS 1 A 0 MX 🔓 Insecure View
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