christerkelsen.dk
Last scanned: 2026-08-27 01:29:11  ·  584ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   38ms
🌍 A Records1 records   49ms
📧 MX Records1 records   63ms
PriorityTTLMail ServerIP addressesPTRASN
0 300s .  Null MX — domain accepts no email (RFC 7505)
🔷 AAAA Records (IPv6)1 records   42ms
🔐 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)
🔐 DNSSEC147ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026082105
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
38ms
A
49ms
MX
63ms
AAAA
42ms
TXT
195ms
CAA
68ms
HTTPS
43ms
TLSA
58ms
SOA
0ms
MTA-STS
123ms
DNSSEC
147ms
SRV
99ms
Total
584ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 01:29:11 584ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-22 05:36:07 1197ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-09 03:31:10 8577ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-06 08:46:08 606ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-01 05:17:19 565ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-28 15:09:13 612ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-25 09:15:20 1078ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-21 10:52:42 503ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-16 20:35:37 4391ms 0 NS 0 A 0 MX 🔒 Secure View
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