cerano.dk
Last scanned: 2026-08-27 18:27:32  ·  1961ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   73ms
🌍 A Records1 records   193ms
📧 MX Records
📧
No MX records found
🔷 AAAA Records (IPv6)1 records   98ms
🔐 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
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC147ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2025052702
Primary NS (MNAME)ns1.regzone.cz
Responsible (RNAME)administrator@czechia.cz
Refresh10800s
Retry1800s
Expire1814400s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
73ms
A
193ms
MX
59ms
AAAA
98ms
TXT
1578ms
CAA
73ms
HTTPS
63ms
TLSA
91ms
SOA
0ms
MTA-STS
1291ms
DNSSEC
147ms
SRV
192ms
Total
1961ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 18:27:32 1961ms 3 NS 1 A 0 MX 🔓 Insecure View
2026-08-26 20:28:07 2938ms 3 NS 1 A 0 MX 🔓 Insecure View
2026-08-23 14:43:53 3694ms 3 NS 1 A 0 MX 🔓 Insecure View
2026-06-28 01:26:39 1617ms 3 NS 1 A 0 MX 🔓 Insecure View
2026-06-21 16:53:57 902ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-19 05:13:15 5463ms 3 NS 1 A 0 MX 🔓 Insecure View
2026-06-16 20:11:03 646ms 3 NS 1 A 0 MX 🔓 Insecure View
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