crowdbook.dk
📜 Historical scan 2026-06-16 23:16:48  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   143ms
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   239ms
IPTTLPTRASNISP / OrgCIDRCountryCity
34.252.104.197 — ec2-34-252-104-197.eu-west-1.compute.amazonaws.com AS16509 Amazon.com, Inc. 34.240.0.0/12 🇮🇪 Ireland Dublin
46.137.13.169 — ec2-46-137-13-169.eu-west-1.compute.amazonaws.com AS16509 Amazon.com, Inc. 46.137.0.0/16 🇮🇪 Ireland Dublin
📧 MX Records5 records   256ms
PriorityTTLMail ServerIP addressesPTRASN
1 — aspmx.l.google.com 142.251.9.27 rc-in-f27.1e100.net AS15169 Google LLC
5 — alt1.aspmx.l.google.com 192.178.211.26 lcbomp-in-f26.1e100.net AS15169 Google LLC
5 — alt2.aspmx.l.google.com 172.253.158.27 so-in-f27.1e100.net AS15169 Google LLC
10 — alt3.aspmx.l.google.com 108.177.125.27 tp-in-f27.1e100.net AS15169 Google LLC
10 — alt4.aspmx.l.google.com 192.178.230.27 yunrtab-in-f27.1e100.net AS15169 Google LLC
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   419ms
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)
🔐 DNSSEC362ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA123ms
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
143ms
A
239ms
MX
256ms
AAAA
165ms
TXT
419ms
CAA
246ms
HTTPS
226ms
TLSA
343ms
SOA
123ms
MTA-STS
250ms
DNSSEC
362ms
SRV
0ms
Total
2453ms
🕐 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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