clearbook.dk
📜 Historical scan 2026-07-30 22:22:05  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   155ms
🌍 A Records2 records   176ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.1.199 300s AS13335 Cloudflare, Inc. 104.21.0.0/17
172.67.129.226 300s AS13335 Cloudflare, Inc. 172.67.128.0/17
📧 MX Records1 records   208ms
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover95.217.243.27
🔶 Autoconfig95.217.243.27
🔷 AAAA Records (IPv6)2 records   152ms
🔐 HTTPS Records1 records   197ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.1.199,172.67.129.226 ech=AEX+DQBB0AAgACAvsRYe+VfZGCP5pqFGvbXr+OiIYWDNUqObrP9efzo4DAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:1c7,2606:4700:3036::ac43:81e2
📝 TXT Records4 records   390ms
TXT Record
brevo-code:c99a4a57f3ff9d7729a1226afd7bc374
google-site-verification=aC81I8WvJhAaK4XRqBvDZzcgiuElkQ1uc1i0qLaH6SM
google-site-verification=e4lvdFtORW7wG12_gajflxiwea4aXs1QB6lnAFJcESU
v=spf1 +mx +a +ip4:95.217.243.27 include:_spf.google.com ~all
✉️ SPF
PolicyRecord (clearbook.dk)
~all (soft fail) v=spf1 +mx +a +ip4:95.217.243.27 include:_spf.google.com ~all
📨 DMARC
PolicyRecord (_dmarc.clearbook.dk)
p=none (monitor only) v=DMARC1; p=none; rua=mailto:rua@dmarc.brevo.com
📬 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)
🔐 DNSSEC256ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2410904822
Primary NS (MNAME)eva.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s
📋 RegistrationWHOIS fetched 2026-08-07 17:00:37
FieldValue
RegistrarCURANET A/S
Registered2023-12-07
Expires2026-12-06 (93d)
📋 WHOIS
⏱️ Lookup Timing
NS
155ms
A
176ms
MX
208ms
AAAA
152ms
TXT
390ms
CAA
200ms
HTTPS
197ms
TLSA
300ms
SOA
0ms
MTA-STS
250ms
DNSSEC
256ms
SRV
235ms
Total
2174ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-14 03:21:47 1926ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-08-07 17:00:09 1875ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-07-30 22:22:05 2174ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-07-24 06:33:08 10392ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-07-15 21:03:44 870ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-06-26 15:12:49 664ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-06-19 04:18:26 1340ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-06-16 21:15:33 432ms 2 NS 2 A 0 MX 🔓 Insecure View
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