jacommunication.dk
Last scanned: 2026-08-27 04:05:25  ·  492ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   32ms
🌍 A Records1 records   43ms
📧 MX Records1 records   37ms
PriorityTTLMail ServerIP addressesPTRASN
0 300s .  Null MX — domain accepts no email (RFC 7505)
🔷 AAAA Records (IPv6)1 records   36ms
🔐 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)
🔐 DNSSEC81ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026082205
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
32ms
A
43ms
MX
37ms
AAAA
36ms
TXT
171ms
CAA
39ms
HTTPS
48ms
TLSA
58ms
SOA
0ms
MTA-STS
53ms
DNSSEC
81ms
SRV
60ms
Total
492ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 04:05:25 492ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-22 13:15:08 1024ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-12 14:39:40 3247ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-13 21:53:04 629ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-23 20:38:38 1253ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-20 07:14:36 2560ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 15:23:57 726ms 2 NS 1 A 0 MX 🔒 Secure View
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