cst-assistent.dk
Last scanned: 2026-08-29 20:58:44  ·  977ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   144ms
🌍 A Records1 records   91ms
IPTTLPTRASNISP / OrgCIDRCountryCity
195.47.247.18 3600s one.com.webforward.g1i.one AS51468 One.com A/S 195.47.247.0/24
📧 MX Records1 records   151ms
PriorityTTLMail ServerIP addressesPTRASN
0 300s .  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 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)
🔐 DNSSEC255ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026082905
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
144ms
A
91ms
MX
151ms
AAAA
135ms
TXT
303ms
CAA
82ms
HTTPS
103ms
TLSA
65ms
SOA
0ms
MTA-STS
166ms
DNSSEC
255ms
SRV
140ms
Total
977ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-29 20:58:44 977ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-27 13:14:27 614ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-25 22:17:11 390ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-25 20:02:11 2434ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-07 00:04:46 857ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-01 09:46:50 901ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-25 07:36:40 1668ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-16 23:06:09 471ms 2 NS 1 A 0 MX 🔒 Secure View
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