tomrerlarsbjorn.dk
Last scanned: 2026-09-01 12:42:20  ·  525ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   46ms
🌍 A Records1 records   38ms
📧 MX Records1 records   53ms
PriorityTTLMail ServerIP addressesPTRASN
0 300s .  Null MX — domain accepts no email (RFC 7505)
🔷 AAAA Records (IPv6)1 records   55ms
🔐 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)
🔐 DNSSEC81ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026083004
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
46ms
A
38ms
MX
53ms
AAAA
55ms
TXT
189ms
CAA
41ms
HTTPS
50ms
TLSA
64ms
SOA
0ms
MTA-STS
66ms
DNSSEC
81ms
SRV
67ms
Total
525ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-01 12:42:20 525ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-31 02:18:36 401ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-22 13:22:09 4570ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-06 23:16:25 749ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-24 12:59:42 521ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-03 12:33:04 761ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-26 14:49:15 724ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-18 05:54:46 909ms 2 NS 1 A 4 MX 🔒 Secure View
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