zehnder-comfosystems.dk
Last scanned: 2026-06-25 16:03:40  ·  4336ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   193ms
🌍 A Records1 records   295ms
📧 MX Records1 records   275ms
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   651ms
TXT Record
v=spf1 -all
✉️ SPF
PolicyRecord (zehnder-comfosystems.dk)
-all (hard fail) v=spf1 -all
📨 DMARC
PolicyRecord (_dmarc.zehnder-comfosystems.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)
🔐 DNSSEC471ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA302ms
FieldValue
Serial2024031808
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
193ms
A
295ms
MX
275ms
AAAA
185ms
TXT
651ms
CAA
318ms
HTTPS
239ms
TLSA
177ms
SOA
302ms
MTA-STS
322ms
DNSSEC
471ms
SRV
362ms
Total
4336ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-06-25 16:03:40 4336ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-06-24 11:34:13 932ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-23 04:24:37 1189ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-06-22 10:04:45 1191ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-21 13:43:18 586ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-06-19 23:00:56 652ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-06-17 19:59:11 613ms 4 NS 1 A 0 MX 🔓 Insecure View
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