24-7-learn.dk
Last scanned: 2026-08-20 11:07:33  ·  8269ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   293ms
🌍 A Records1 records   233ms
📧 MX Records
📧
No MX records found
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscoverflexbiz.tel.opts-https.redirect.center → 54.84.55.102
🔶 Autoconfigflexbiz.tel.opts-https.redirect.center → 54.84.55.102
🔷 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
🔏 ACME Challenge
TypeNameValue
CNAME _acme-challenge.24-7-learn.dk flexbiz.tel.opts-https.redirect.center
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC495ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2026081901
Primary NS (MNAME)ns1.quickdns.dk
Responsible (RNAME)hostmaster@quickdns.dk
Refresh14400s
Retry7200s
Expire2415600s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
293ms
A
233ms
MX
252ms
AAAA
283ms
TXT
752ms
CAA
288ms
HTTPS
257ms
TLSA
220ms
SOA
0ms
MTA-STS
539ms
DNSSEC
495ms
SRV
390ms
Total
8269ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-20 11:07:33 8269ms 4 NS 1 A 0 MX 🔓 Insecure View
2026-07-08 11:14:04 25343ms 4 NS 1 A 0 MX 🔓 Insecure View
2026-06-22 03:54:39 928ms 4 NS 1 A 0 MX 🔓 Insecure View
2026-06-21 19:57:00 2947ms 4 NS 1 A 0 MX 🔓 Insecure View
2026-06-16 12:44:30 638ms 4 NS 1 A 0 MX 🔓 Insecure View
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