oppi.dk
Last scanned: 2026-08-27 05:21:20  ·  1683ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   66ms
🌍 A Records1 records   53ms
📧 MX Records1 records   55ms
PriorityTTLMail ServerIP addressesPTRASN
0 3600s .  Null MX — domain accepts no email (RFC 7505)
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover158.220.99.150
🔶 Autoconfig158.220.99.150
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   360ms
TXT Record
v=spf1 -all
✉️ SPF
PolicyRecord (oppi.dk)
-all (hard fail) v=spf1 -all
📨 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 Records1 records   69ms
FlagsTagValue
0 issue letsencrypt.org
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC83ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2025112401
Primary NS (MNAME)dns1.maasarbeit.de
Responsible (RNAME)info@maasarbeit.com
Refresh3600s
Retry600s
Expire1209600s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
66ms
A
53ms
MX
55ms
AAAA
51ms
TXT
360ms
CAA
69ms
HTTPS
66ms
TLSA
336ms
SOA
0ms
MTA-STS
107ms
DNSSEC
83ms
SRV
125ms
Total
1683ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 05:21:20 1683ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-21 14:12:26 977ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-17 16:40:27 2704ms 2 NS 1 A 0 MX 🔓 Insecure View
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