cso-course.dk
Last scanned: 2026-08-17 17:39:35  ·  25390ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers5 records   8059ms
NameserverIP addressesPTRASN / ISP
ns-1.dcmediahosting.com 91.99.51.123 ns-1.dcmediahosting.com AS24940 Hetzner Online GmbH
ns-2.dcmediahosting.com 78.46.248.73 ns-2.dcmediahosting.com AS24940 Hetzner Online GmbH
ns-3.dcmediahosting.com 78.46.248.73 ns-2.dcmediahosting.com AS24940 Hetzner Online GmbH
ns-4.dcmediahosting.com 91.99.51.123 ns-1.dcmediahosting.com AS24940 Hetzner Online GmbH
ns-5.dcmediahosting.com 78.46.248.73 ns-2.dcmediahosting.com AS24940 Hetzner Online GmbH
🌍 A Records1 records   8053ms
IPTTLPTRASNISP / OrgCIDRCountryCity
94.237.102.141 3593s fipa.barani.io AS202053 UpCloud Ltd 94.237.96.0/20 🇫🇮 Finland —
📧 MX Records1 records   8089ms
PriorityTTLMail ServerIP addressesPTRASN
10 42300s spam.micusto.com 94.237.28.65 spam.micusto.com AS202053 UpCloud Ltd
🔷 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)
🔐 DNSSEC8101ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA109ms
FieldValue
Serial2011061712
Primary NS (MNAME)ns-1.dcmediahosting.com
Responsible (RNAME)hostmaster@dcmediahosting.com
Refresh10800s
Retry3600s
Expire604800s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
8059ms
A
8053ms
MX
8089ms
AAAA
116ms
TXT
8479ms
CAA
8080ms
HTTPS
110ms
TLSA
140ms
SOA
109ms
MTA-STS
113ms
DNSSEC
8101ms
SRV
161ms
Total
25390ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-17 17:39:35 25390ms 5 NS 1 A 1 MX 🔓 Insecure View
2026-06-27 07:41:44 726ms 5 NS 1 A 1 MX 🔓 Insecure View
2026-06-19 23:43:50 1120ms 5 NS 1 A 1 MX 🔓 Insecure View
2026-06-16 23:05:07 630ms 5 NS 1 A 1 MX 🔓 Insecure View
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