prefa.dk
📜 Historical scan 2026-06-20 00:15:06  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   136ms
NameserverIP addressesPTRASN / ISP
ns21.netronics.at 91.223.147.111 — AS5404 conova communications GmbH
ns22.netronics.at 185.69.161.226 226.224-231.161.69.185.in-addr.arpa AS5404 conova communications GmbH
ns23.netronics.at 217.196.155.36 36.32-63.155.196.217.in-addr.arpa AS5404 conova communications GmbH
🌍 A Records1 records   136ms
IPTTLPTRASNISP / OrgCIDRCountryCity
62.113.230.93 3600s srv-a-de.c-337.maxcluster.net AS47447 23M GmbH 62.113.192.0/18 🇩🇪 Germany —
📧 MX Records1 records   121ms
PriorityTTLMail ServerIP addressesPTRASN
10 86400s mx.prefa.dk 212.70.96.86 — AS48728 Vodafone Qatar P.Q.S.C
🔷 AAAA Records (IPv6)1 records   109ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a00:f48:1008::230:93:10 3600s srv-a-de.c-337.maxcluster.net AS47447 23M GmbH 2a00:f48:0:0:0:0:0:0/32 🇩🇪 Germany —
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   424ms
TXT Record
google-site-verification=QZHgJj4mTHvoDCIk30dlWCbWw3TUaulhHC5ZJR4jHk0
✉️ 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)
🔐 DNSSEC197ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA126ms
FieldValue
Serial2025062501
Primary NS (MNAME)ns21.netronics.at
Responsible (RNAME)root@prefa.dk
Refresh7200s
Retry3600s
Expire7200s
Minimum (neg-cache TTL)300s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
136ms
A
136ms
MX
121ms
AAAA
109ms
TXT
424ms
CAA
99ms
HTTPS
133ms
TLSA
201ms
SOA
126ms
MTA-STS
150ms
DNSSEC
197ms
SRV
237ms
Total
2014ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-06-22 06:48:09 3279ms 3 NS 1 A 1 MX 🔓 Insecure View
2026-06-21 23:09:46 915ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-20 00:15:06 2014ms 3 NS 1 A 1 MX 🔓 Insecure View
2026-06-17 21:00:33 1940ms 3 NS 1 A 1 MX 🔓 Insecure View
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