bullstelte.dk
Last scanned: 2026-08-30 22:05:14  ·  451ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   24ms
🌍 A Records1 records   28ms
📧 MX Records1 records   29ms
PriorityTTLMail ServerIP addressesPTRASN
0 300s .  Null MX — domain accepts no email (RFC 7505)
🔷 AAAA Records (IPv6)1 records   24ms
🔐 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)
🔐 DNSSEC103ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✓ Found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2026083002
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
28ms
MX
29ms
AAAA
24ms
TXT
124ms
CAA
31ms
HTTPS
27ms
TLSA
43ms
SOA
0ms
MTA-STS
47ms
DNSSEC
103ms
SRV
39ms
Total
451ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-30 22:05:14 451ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-08-26 14:43:53 560ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-08-22 08:40:06 1037ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-08-15 16:41:49 579ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-07-15 15:53:22 991ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-07-08 15:15:23 629ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-07-01 20:59:29 511ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-21 18:46:17 1848ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-21 11:57:04 1179ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-20 07:09:36 656ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-16 17:45:15 327ms 2 NS 1 A 0 MX 🔓 Insecure View
2026-06-16 17:40:10 364ms 2 NS 1 A 0 MX 🔓 Insecure View
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