coltconferencing.dk
Last scanned: 2026-08-27 22:29:13  ·  3168ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   49ms
NameserverIP addressesPTRASN / ISP
ns0.de.colt.net 212.74.78.55 ns0.de.colt.net AS8220 COLT Technology Services Group Limited
ns1.de.colt.net 212.74.77.55 ns1.de.colt.net AS8220 COLT Technology Services Group Limited
🌍 A Records1 records   49ms
IPTTLPTRASNISP / OrgCIDRCountryCity
213.86.182.99 360s stp02.messaging.net-streams.com AS8220 COLT Technology Services Group Limited 213.86.128.0/17 🇬🇧 United Kingdom City of London
📧 MX Records
📧
No MX records found
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records
📝
No TXT records found
✉️ SPF
✗ No SPF record — mail spoofing not restricted
📨 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)
🔐 DNSSEC88ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2011101000
Primary NS (MNAME)ns0.de.colt.net
Responsible (RNAME)eudnsmaster@colt.net
Refresh43200s
Retry7200s
Expire604800s
Minimum (neg-cache TTL)86400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
49ms
A
49ms
MX
76ms
AAAA
68ms
TXT
304ms
CAA
79ms
HTTPS
76ms
TLSA
114ms
SOA
0ms
MTA-STS
98ms
DNSSEC
88ms
SRV
100ms
Total
3168ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 22:29:13 3168ms 2 NS 1 A 0 MX 🔓 Insecure View
2026-06-24 23:12:40 3124ms 2 NS 1 A 0 MX 🔓 Insecure View
2026-06-16 21:50:04 704ms 2 NS 1 A 0 MX 🔓 Insecure View
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