zsb.dk
📜 Historical scan 2026-06-17 13:22:43  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   41ms
🌍 A Records1 records   120ms
📧 MX Records
📧
No MX records found
🔷 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 Records3 records   38ms
FlagsTagValue
0 iodef mailto:admin@zss.dk
0 issue digicert.com
0 issue letsencrypt.org
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC138ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA37ms
FieldValue
Serial2026021900
Primary NS (MNAME)ns1.simply.com
Responsible (RNAME)hostmaster@simply.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
41ms
A
120ms
MX
39ms
AAAA
56ms
TXT
348ms
CAA
38ms
HTTPS
123ms
TLSA
168ms
SOA
37ms
MTA-STS
142ms
DNSSEC
138ms
SRV
0ms
Total
1477ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-06-26 03:09:07 649ms 4 NS 1 A 0 MX 🔒 Secure View
2026-06-23 21:19:05 1165ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-17 13:22:43 1477ms 4 NS 1 A 0 MX 🔒 Secure View
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