studiecoach.dk
Last scanned: 2026-07-26 01:33:27  ·  16780ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   80ms
NameserverIP addressesPTRASN / ISP
dns1.rackhosting.com 77.247.69.212 dns1.rackhosting.com AS31590 Rackhosting.com ApS
dns2.rackhosting.com 45.32.187.211 dns2.rackhosting.com AS20473 The Constant Company, LLC
dns3.rackhosting.com 77.247.69.213 dns3.rackhosting.com AS31590 Rackhosting.com ApS
🌍 A Records1 records   63ms
IPTTLPTRASNISP / OrgCIDRCountryCity
77.247.77.143 900s vps138.rackhosting.com AS31590 Rackhosting.com ApS 77.247.64.0/20 🇩🇰 Denmark —
📧 MX Records1 records   81ms
PriorityTTLMail ServerIP addressesPTRASN
10 900s mail.studiecoach.dk 77.247.77.143 vps138.rackhosting.com AS31590 Rackhosting.com ApS
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   349ms
TXT Record
v=spf1 mx ip4:77.247.73.192/26 a:studiecoach.dk -all
✉️ SPF
PolicyRecord (studiecoach.dk)
-all (hard fail) v=spf1 mx ip4:77.247.73.192/26 a:studiecoach.dk -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)
🔐 DNSSEC173ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA79ms
FieldValue
Serial1632993815
Primary NS (MNAME)dns3.rackhosting.com
Responsible (RNAME)f\@k\.p.galnet.dk
Refresh900s
Retry3600s
Expire604800s
Minimum (neg-cache TTL)10800s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
80ms
A
63ms
MX
81ms
AAAA
79ms
TXT
349ms
CAA
80ms
HTTPS
76ms
TLSA
87ms
SOA
79ms
MTA-STS
62ms
DNSSEC
173ms
SRV
108ms
Total
16780ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-07-26 01:33:27 16780ms 3 NS 1 A 1 MX 🔓 Insecure View
2026-06-17 12:00:54 751ms 3 NS 1 A 1 MX 🔓 Insecure View
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