zyb.dk
Last scanned: 2026-06-24 17:56:46  ·  4178ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   103ms
NameserverIP addressesPTRASN / ISP
ns1.vodafone.com 47.73.65.141 ns1.vodafone.com AS1273 IDDQD-AS
ns3.vodafone.com 47.73.20.173 ns3.vodafone.com AS1273 IDDQD-AS
ns5.vodafone.com 47.73.31.237 ns5.vodafone.com AS201917 Vodafone Group Services GmbH
🌍 A Records
🌍
No A records found
📧 MX Records1 records   174ms
PriorityTTLMail ServerIP addressesPTRASN
0 7200s .  Null MX — domain accepts no email (RFC 7505)
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   810ms
TXT Record
v=spf1 -all
✉️ SPF
PolicyRecord (zyb.dk)
-all (hard fail) v=spf1 -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)
🔐 DNSSEC755ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsresolution failed: ncache nxrrset
🏷️ SOA145ms
FieldValue
Serial32
Primary NS (MNAME)ns1.vodafone.com
Responsible (RNAME)hostmaster@vodafone.com
Refresh28800s
Retry7200s
Expire604800s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
103ms
A
149ms
MX
174ms
AAAA
153ms
TXT
810ms
CAA
170ms
HTTPS
138ms
TLSA
279ms
SOA
145ms
MTA-STS
210ms
DNSSEC
755ms
SRV
637ms
Total
4178ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-06-24 17:56:46 4178ms 3 NS 0 A 1 MX 🔓 Insecure View
2026-06-23 02:31:08 1178ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-20 00:09:11 1199ms 3 NS 0 A 1 MX 🔓 Insecure View
2026-06-18 07:28:51 1137ms 3 NS 0 A 0 MX 🔓 Insecure View
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