congrex.dk
Last scanned: 2026-06-27 07:13:31  ·  782ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   60ms
🌍 A Records1 records   62ms
IPTTLPTRASNISP / OrgCIDRCountryCity
89.31.143.90 600s AS202108 united-domains GmbH 89.31.142.0/23 🇩🇪 Germany
📧 MX Records2 records   41ms
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover89.31.143.90
🔶 Autoconfig89.31.143.90
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   295ms
TXT Record
v=spf1 include:_smtp.udag.de ~all
✉️ SPF
PolicyRecord (congrex.dk)
~all (soft fail) v=spf1 include:_smtp.udag.de ~all
📨 DMARC
✗ No DMARC record — mail spoofing not restricted
📬 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)
🔐 DNSSEC85ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA58ms
FieldValue
Serial2023120202
Primary NS (MNAME)ns.udag.de
Responsible (RNAME)hostmaster@united-domains.de
Refresh10800s
Retry3600s
Expire604800s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
60ms
A
62ms
MX
41ms
AAAA
44ms
TXT
295ms
CAA
46ms
HTTPS
46ms
TLSA
74ms
SOA
58ms
MTA-STS
79ms
DNSSEC
85ms
SRV
78ms
Total
782ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-06-27 07:13:31 782ms 3 NS 1 A 2 MX 🔓 Insecure View
2026-06-26 13:11:28 1463ms 3 NS 1 A 2 MX 🔓 Insecure View
2026-06-21 15:11:37 2945ms 3 NS 1 A 2 MX 🔓 Insecure View
2026-06-21 14:12:35 1109ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-18 19:50:54 735ms 3 NS 1 A 2 MX 🔓 Insecure View
2026-06-16 22:06:43 542ms 3 NS 1 A 2 MX 🔓 Insecure View
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