casperskern.dk
Last scanned: 2026-08-07 02:18:36  ·  665ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   48ms
NameserverIP addressesPTRASN / ISP
ns01.one.com 195.206.121.10
2001:67c:28cc::10		 ns01.one.com
ns01.one.com		 AS197495 One.com A/S
AS197495 One.com A/S
ns02.one.com 185.10.11.10
2001:67c:3c0::10		 ns02.one.com
ns02.one.com		 AS51468 One.com A/S
AS51468 One.com A/S
🌍 A Records1 records   43ms
IPTTLPTRASNISP / OrgCIDRCountryCity
46.51.189.156 43200s ec2-46-51-189-156.eu-west-1.compute.amazonaws.com AS16509 Amazon.com, Inc. 46.51.128.0/18 🇮🇪 Ireland Dublin
📧 MX Records1 records   58ms
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)
🔐 DNSSEC75ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026080601
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
48ms
A
43ms
MX
58ms
AAAA
50ms
TXT
164ms
CAA
59ms
HTTPS
54ms
TLSA
119ms
SOA
0ms
MTA-STS
63ms
DNSSEC
75ms
SRV
56ms
Total
665ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-07 02:18:36 665ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-08 21:13:30 8732ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-26 01:21:36 598ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-24 01:09:52 1688ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-23 18:30:38 1170ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-22 19:33:09 916ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-22 09:38:58 907ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-16 19:46:27 343ms 2 NS 1 A 0 MX 🔒 Secure View
2026-06-16 19:41:26 410ms 2 NS 1 A 0 MX 🔒 Secure View
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