btl.dk
Last scanned: 2026-08-27 02:03:53  ·  443ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   24ms
🌍 A Records1 records   22ms
📧 MX Records1 records   23ms
PriorityTTLMail ServerIP addressesPTRASN
0 300s .  Null MX — domain accepts no email (RFC 7505)
🔷 AAAA Records (IPv6)1 records   27ms
🔐 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)
🔐 DNSSEC102ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026082605
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
24ms
A
22ms
MX
23ms
AAAA
27ms
TXT
124ms
CAA
39ms
HTTPS
23ms
TLSA
47ms
SOA
0ms
MTA-STS
39ms
DNSSEC
102ms
SRV
39ms
Total
443ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 02:03:53 443ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-09 10:09:41 2517ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-13 18:50:06 582ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-01 12:03:57 542ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-30 01:21:11 533ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-26 10:44:17 496ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-24 05:01:50 1047ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-22 04:42:24 1756ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-22 01:01:45 869ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-16 17:44:39 2265ms 2 NS 1 A 0 MX 🔒 Secure View
2026-06-16 17:32:03 1210ms 2 NS 1 A 0 MX 🔒 Secure View
2026-06-16 17:30:22 470ms 2 NS 1 A 0 MX 🔒 Secure View
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