cassenz.dk
Last scanned: 2026-08-28 04:10:53  ·  1141ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   91ms
NameserverIP addressesPTRASN / ISP
ns1.yoursrs.com 104.47.151.178
2603:1020:200::682f:a758		 ns1.yoursrs.com
—		 AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
ns2.yoursrs.com 20.79.93.42
2603:1020:c01:4::8		 ns2.yoursrs.com
—		 AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
🌍 A Records1 records   51ms
IPTTLPTRASNISP / OrgCIDRCountryCity
85.158.206.72 60s ssl.vh18.sigmasolutions.eu AS25151 Cyso Group B.V. 85.158.200.0/21 🇳🇱 The Netherlands —
📧 MX Records3 records   58ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mail.sigmasolutions.eu 85.158.206.97 vh14-ssl.sigmasolutions.eu AS25151 Cyso Group B.V.
20 3600s mx1.cyso.net 85.158.200.78 mx1.cyso.net AS25151 Cyso Group B.V.
30 3600s mx2.cyso.net 85.158.202.246 free.cyso.net AS25151 Cyso Group B.V.
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   270ms
TXT Record
v=spf1 a mx include:spf.sigma1.postal.cyso.net ~all
✉️ SPF
PolicyRecord (cassenz.dk)
~all (soft fail) v=spf1 a mx include:spf.sigma1.postal.cyso.net ~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 Records
✗ No CAA records — any CA may issue certificates
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC116ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2018092000
Primary NS (MNAME)ns1.yoursrs.com
Responsible (RNAME)hostmaster@cassenz.dk
Refresh1s
Retry1s
Expire86400s
Minimum (neg-cache TTL)604800s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
91ms
A
51ms
MX
58ms
AAAA
47ms
TXT
270ms
CAA
62ms
HTTPS
58ms
TLSA
125ms
SOA
0ms
MTA-STS
110ms
DNSSEC
116ms
SRV
89ms
Total
1141ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-28 04:10:53 1141ms 2 NS 1 A 3 MX 🔓 Insecure View
2026-06-20 16:11:14 2092ms 2 NS 1 A 3 MX 🔓 Insecure View
2026-06-16 19:42:03 707ms 2 NS 1 A 3 MX 🔓 Insecure View
2026-06-16 19:41:29 822ms 2 NS 1 A 3 MX 🔓 Insecure View
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