xlbt.dk
Last scanned: 2026-06-20 02:03:17  ·  592ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   79ms
🌍 A Records1 records   102ms
📧 MX Records
📧
No MX records found
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscoverautodiscover.outlook.com → 40.104.116.8
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
🔌 SRV Records1 records   167ms
ServicePriorityWeightPortTarget
_sipfederationtls._tcp 100 1 5061 sipfed.online.lync.com
📝 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)
🔐 DNSSEC201ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA114ms
FieldValue
Serial1
Primary NS (MNAME)ns1-06.azure-dns.com
Responsible (RNAME)azuredns-hostmaster@microsoft.com
Refresh3600s
Retry300s
Expire2419200s
Minimum (neg-cache TTL)300s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
79ms
A
102ms
MX
87ms
AAAA
66ms
TXT
226ms
CAA
106ms
HTTPS
77ms
TLSA
108ms
SOA
114ms
MTA-STS
114ms
DNSSEC
201ms
SRV
167ms
Total
592ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-06-20 02:03:17 592ms 4 NS 1 A 0 MX 🔓 Insecure View
2026-06-18 07:13:24 600ms 4 NS 1 A 0 MX 🔓 Insecure View
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