opteron.dk
📜 Historical scan 2026-07-01 02:27:51  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers7 records   45ms
🌍 A Records1 records   44ms
📧 MX Records
📧
No MX records found
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover3.33.139.32
🔶 Autoconfig3.33.139.32
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 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
PolicyRecord (_dmarc.opteron.dk)
p=reject v=DMARC1; p=reject; rua=mailto:dmarc_agg@vali.email
📬 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)
🔐 DNSSEC86ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA59ms
FieldValue
Serial2025072101
Primary NS (MNAME)ns1.markmonitor.com
Responsible (RNAME)hostmaster@markmonitor.com
Refresh86400s
Retry3600s
Expire2592000s
Minimum (neg-cache TTL)172800s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
45ms
A
44ms
MX
42ms
AAAA
62ms
TXT
473ms
CAA
54ms
HTTPS
59ms
TLSA
75ms
SOA
59ms
MTA-STS
68ms
DNSSEC
86ms
SRV
117ms
Total
1212ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 06:56:25 20030ms 7 NS 0 A 0 MX ❓ Unknown View
2026-08-23 18:57:42 23950ms 7 NS 0 A 0 MX ❓ Unknown View
2026-08-22 15:22:52 20976ms 7 NS 0 A 0 MX ❓ Unknown View
2026-08-21 15:18:06 17866ms 7 NS 0 A 0 MX ❓ Unknown View
2026-08-20 15:16:33 9865ms 7 NS 0 A 0 MX ❓ Unknown View
2026-08-19 11:50:22 14615ms 7 NS 0 A 0 MX ❓ Unknown View
2026-08-18 11:48:29 16986ms 7 NS 0 A 0 MX ❓ Unknown View
2026-08-17 09:21:40 19279ms 7 NS 0 A 0 MX ❓ Unknown View
2026-08-16 01:28:22 17699ms 7 NS 0 A 0 MX ❓ Unknown View
2026-08-14 09:08:25 18964ms 7 NS 0 A 0 MX ❓ Unknown View
2026-08-13 08:17:57 19525ms 7 NS 0 A 0 MX ❓ Unknown View
2026-08-11 02:24:25 17034ms 7 NS 0 A 0 MX ❓ Unknown View
2026-08-09 16:25:28 15342ms 7 NS 0 A 0 MX ❓ Unknown View
2026-08-08 03:46:43 15772ms 7 NS 0 A 0 MX ❓ Unknown View
2026-07-01 02:27:51 1212ms 7 NS 1 A 0 MX 🔓 Insecure View
2026-06-26 14:42:27 5418ms 7 NS 1 A 0 MX 🔓 Insecure View
2026-06-19 05:39:26 4648ms 7 NS 1 A 0 MX 🔓 Insecure View
2026-06-18 06:51:52 2383ms 7 NS 1 A 0 MX 🔓 Insecure View
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