biosynth.dk
📜 Historical scan 2026-06-16 14:38:42  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   43ms
NameserverIP addressesPTRASN / ISP
ns.udag.de — — —
ns.udag.net — — —
ns.udag.org — — —
🌍 A Records1 records   46ms
IPTTLPTRASNISP / OrgCIDRCountryCity
149.126.4.74 — s065.cyon.net AS47302 cyon AG 149.126.0.0/21 🇨🇭 Switzerland —
📧 MX Records2 records   38ms
PriorityTTLMail ServerIP addressesPTRASN
10 — mx00.udag.de 62.146.106.39 mx00.udag.de AS15598 NorthC Deutschland GmbH
20 — mx01.udag.de 62.146.106.40 mx01.udag.de AS15598 NorthC Deutschland GmbH
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 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)
🔐 DNSSEC110ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA36ms
FieldValue
Serial2021020900
Primary NS (MNAME)ns.udag.de
Responsible (RNAME)hostmaster@united-domains.de
Refresh10800s
Retry3600s
Expire604800s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
43ms
A
46ms
MX
38ms
AAAA
41ms
TXT
228ms
CAA
41ms
HTTPS
36ms
TLSA
103ms
SOA
36ms
MTA-STS
58ms
DNSSEC
110ms
SRV
0ms
Total
588ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-24 21:19:19 9578ms 3 NS 1 A 2 MX 🔓 Insecure View
2026-07-02 01:39:37 911ms 3 NS 1 A 2 MX 🔓 Insecure View
2026-06-16 14:38:42 588ms 3 NS 1 A 2 MX 🔓 Insecure View
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