200co.dk
Last scanned: 2026-08-12 01:58:50  ·  641ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   85ms
🌍 A Records1 records   42ms
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   100ms
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)
🔐 DNSSEC142ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026081101
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
85ms
A
42ms
MX
100ms
AAAA
55ms
TXT
217ms
CAA
84ms
HTTPS
43ms
TLSA
32ms
SOA
0ms
MTA-STS
86ms
DNSSEC
142ms
SRV
116ms
Total
641ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-12 01:58:50 641ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-18 09:35:45 624ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-13 02:42:54 2430ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-09 06:12:47 577ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-25 02:42:00 1681ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-16 13:23:40 5862ms 2 NS 1 A 0 MX 🔒 Secure View
2026-06-16 13:12:36 644ms 2 NS 1 A 0 MX 🔒 Secure View
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