crowdbook.dk
📜 Historical scan 2026-06-16 23:00:48  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   71ms
NameserverIP addressesPTRASN / ISP
ns-1035.awsdns-01.org
ns-1578.awsdns-05.co.uk
ns-350.awsdns-43.com
ns-748.awsdns-29.net
🌍 A Records2 records   76ms
📧 MX Records5 records   49ms
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   305ms
TXT Record
v=spf1 include:_spf.google.com ~all
✉️ SPF
PolicyRecord (crowdbook.dk)
~all (soft fail) v=spf1 include:_spf.google.com ~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)
🔐 DNSSEC162ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA53ms
FieldValue
Serial1
Primary NS (MNAME)ns-1035.awsdns-01.org
Responsible (RNAME)awsdns-hostmaster@amazon.com
Refresh7200s
Retry900s
Expire1209600s
Minimum (neg-cache TTL)86400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
71ms
A
76ms
MX
49ms
AAAA
63ms
TXT
305ms
CAA
72ms
HTTPS
58ms
TLSA
113ms
SOA
53ms
MTA-STS
44ms
DNSSEC
162ms
SRV
0ms
Total
919ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-26 04:41:36 3752ms 4 NS 2 A 5 MX 🔓 Insecure View
2026-06-29 14:43:41 1014ms 4 NS 2 A 5 MX 🔓 Insecure View
2026-06-17 00:08:43 65535ms 4 NS 2 A 5 MX 🔓 Insecure View
2026-06-16 23:16:48 2453ms 4 NS 2 A 5 MX 🔓 Insecure View
2026-06-16 23:11:43 717ms 4 NS 2 A 5 MX 🔓 Insecure View
2026-06-16 23:00:48 919ms 4 NS 2 A 5 MX 🔓 Insecure View
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