simonsimonsen.dk
Last scanned: 2026-08-27 08:26:21  ·  476ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   30ms
🌍 A Records1 records   34ms
📧 MX Records1 records   34ms
PriorityTTLMail ServerIP addressesPTRASN
0 300s .  Null MX — domain accepts no email (RFC 7505)
🔷 AAAA Records (IPv6)1 records   31ms
🔐 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
Serial2026082701
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
30ms
A
34ms
MX
34ms
AAAA
31ms
TXT
131ms
CAA
33ms
HTTPS
27ms
TLSA
58ms
SOA
0ms
MTA-STS
39ms
DNSSEC
102ms
SRV
37ms
Total
476ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 08:26:21 476ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-26 08:23:08 530ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-21 17:34:51 4708ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-27 15:40:40 722ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-23 10:27:08 794ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-25 23:08:31 1593ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-25 09:18:54 732ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-17 13:23:17 718ms 2 NS 1 A 4 MX 🔒 Secure View
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