cso-course.dk

📜 Historical scan 2026-09-12 05:54:44  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cso-course.dk is a .dk domain served by 5 nameservers (ns-1.dcmediahosting.com, ns-2.dcmediahosting.com, ns-3.dcmediahosting.com and 2 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.237.102.141 is hosted by UpCloud Ltd (AS202053) in Finland. Mail is handled by spam.micusto.com. The zone is not DNSSEC-signed, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

5 records   27ms
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 Records#

1 records   132ms
IPTTLPTRASNISP / OrgCIDRCountryCity
94.237.102.141 3600s fipa.barani.io AS202053 UpCloud Ltd 94.237.96.0/20 🇫🇮 Finland —

📧 MX Records#

1 records   64ms
PriorityTTLMail ServerIP addressesPTRASN
10 21600s 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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-17 19:32:21
www94.237.102.141 (AS202053) (address records, no CNAME)
www vs bare domainSame network
cso-course.dk: 94.237.102.141 (AS202053)
www.cso-course.dk: 94.237.102.141 (AS202053)
WildcardNo

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

254ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

20ms
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 yet — queued for a WHOIS lookup
📋 WHOIS#

⏱️ Lookup Timing#

NS
27ms
A
132ms
MX
64ms
AAAA
56ms
TXT
159ms
CAA
50ms
HTTPS
68ms
TLSA
154ms
SOA
20ms
MTA-STS
20ms
DNSSEC
254ms
SRV
0ms
Total
1918ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-01 06:21:14 729ms 5 NS 1 A 1 MX 🔓 Insecure
2026-09-13 06:09:32 2476ms 5 NS 1 A 1 MX 🔓 Insecure
2026-09-12 05:54:44 shown 1918ms 5 NS 1 A 1 MX 🔓 Insecure
2026-09-03 05:43:38 1680ms 5 NS 1 A 1 MX 🔓 Insecure
2026-08-17 17:39:35 25390ms 5 NS 1 A 1 MX 🔓 Insecure
2026-06-27 07:41:44 726ms 5 NS 1 A 1 MX 🔓 Insecure
2026-06-19 23:43:50 1120ms 5 NS 1 A 1 MX 🔓 Insecure
2026-06-16 23:05:07 630ms 5 NS 1 A 1 MX 🔓 Insecure
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