icbcdn.dk
Last scanned: 2026-08-27 13:10:03  ·  775ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   103ms
🌍 A Records1 records   98ms
📧 MX Records1 records   69ms
PriorityTTLMail ServerIP addressesPTRASN
0 300s .  Null MX — domain accepts no email (RFC 7505)
🔷 AAAA Records (IPv6)1 records   98ms
🔐 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)
🔐 DNSSEC174ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026080301
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
103ms
A
98ms
MX
69ms
AAAA
98ms
TXT
271ms
CAA
95ms
HTTPS
125ms
TLSA
60ms
SOA
0ms
MTA-STS
127ms
DNSSEC
174ms
SRV
120ms
Total
775ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 13:10:03 775ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-07 03:15:28 639ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-04 23:57:26 2035ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-01 18:21:50 579ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-30 18:05:43 604ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-27 08:19:27 727ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-19 08:53:50 1160ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-17 14:23:13 274ms 0 NS 0 A 0 MX ❓ Unknown View
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