gustav-emil.dk
Last scanned: 2026-08-31 22:20:03  ·  468ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   31ms
🌍 A Records1 records   24ms
📧 MX Records1 records   27ms
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)
🔐 DNSSEC98ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026083105
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
24ms
MX
27ms
AAAA
24ms
TXT
116ms
CAA
31ms
HTTPS
20ms
TLSA
54ms
SOA
0ms
MTA-STS
36ms
DNSSEC
98ms
SRV
41ms
Total
468ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-31 22:20:03 468ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-28 21:46:16 484ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-26 18:36:36 9448ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-29 01:45:23 582ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-05 16:19:19 566ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-04 10:10:15 1122ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-03 20:56:38 8616ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-26 21:20:33 616ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 10:01:16 2606ms 2 NS 1 A 0 MX 🔒 Secure View
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