coursemakers.dk
📜 Historical scan 2026-06-23 03:58:07  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers
🖥️
No NS records found
🌍 A Records
🌍
No A records found
📧 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)
🔐 DNSSEC481ms
CheckResult
Validation Status❓ Unknown
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsresolution failed: failure
🏷️ SOA
✗ No SOA record found
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
213ms
A
171ms
MX
204ms
AAAA
206ms
TXT
495ms
CAA
224ms
HTTPS
182ms
TLSA
18ms
SOA
195ms
MTA-STS
202ms
DNSSEC
481ms
SRV
215ms
Total
1176ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-03 20:32:57 651ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-08-27 00:29:39 2095ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-08-25 17:03:40 699ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-30 22:39:38 926ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-23 18:45:17 1175ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-23 03:58:07 1176ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-16 22:36:08 582ms 2 NS 1 A 1 MX 🔓 Insecure View
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