csom.dk
Last scanned: 2026-08-27 20:57:25  ·  432ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   34ms
🌍 A Records1 records   28ms
📧 MX Records1 records   35ms
PriorityTTLMail ServerIP addressesPTRASN
0 300s .  Null MX — domain accepts no email (RFC 7505)
🔷 AAAA Records (IPv6)1 records   38ms
🔐 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)
🔐 DNSSEC94ms
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
34ms
A
28ms
MX
35ms
AAAA
38ms
TXT
124ms
CAA
32ms
HTTPS
37ms
TLSA
51ms
SOA
0ms
MTA-STS
36ms
DNSSEC
94ms
SRV
37ms
Total
432ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 20:57:25 432ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-22 15:00:57 4669ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-29 18:08:36 579ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-24 07:07:23 616ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-30 15:11:05 623ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-26 11:05:21 680ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-26 07:11:13 756ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-25 08:08:43 641ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-19 21:10:48 548ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-16 23:06:08 515ms 2 NS 1 A 0 MX 🔒 Secure View
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