alexberlau.dk
Last scanned: 2026-08-27 00:00:47  ·  411ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   31ms
🌍 A Records1 records   22ms
📧 MX Records1 records   39ms
PriorityTTLMail ServerIP addressesPTRASN
0 300s .  Null MX — domain accepts no email (RFC 7505)
🔷 AAAA Records (IPv6)1 records   34ms
🔐 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)
🔐 DNSSEC93ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026082503
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
31ms
A
22ms
MX
39ms
AAAA
34ms
TXT
121ms
CAA
28ms
HTTPS
34ms
TLSA
48ms
SOA
0ms
MTA-STS
40ms
DNSSEC
93ms
SRV
43ms
Total
411ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 00:00:47 411ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-22 15:45:19 648ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-18 09:54:27 1897ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-22 19:57:42 8442ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-29 04:00:54 715ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-27 02:59:59 782ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-22 12:31:00 2403ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-21 16:45:17 914ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-19 18:49:47 7726ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-16 13:22:10 2455ms 2 NS 1 A 0 MX 🔒 Secure View
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