Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
levelexpert.cz
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 15:28:16 UTC · ↺ Refresh
MX Hostnames
- mx1.active24.com
- mx2.active24.com
MX Priorities
- mx1.active24.com: 10
- mx2.active24.com: 20
A / AAAA Records
- 81.95.96.134
- 2a02:4a8:ac24:108::96:134
Mail Server IPs
- 81.95.97.102 ↩ in.smtp.cz
- 81.95.97.111 ↩ in.smtp.cz
- 81.95.97.116 ↩ in.smtp.cz
- 81.95.97.4 ↩ in.smtp.cz
- 2a02:4a8:ac24:101::97:102 ↩ in.smtp.cz
- 2a02:4a8:ac24:101::97:111 ↩ in.smtp.cz
- 2a02:4a8:ac24:101::97:116 ↩ in.smtp.cz
- 2a02:4a8:ac24:101::97:4 ↩ in.smtp.cz
- 185.111.90.93 ↩ mx2.active24.com
- 2a00:4b40:1000:590:185:111:90:93 ↩ mx2.active24.com
SOA Record
Raw SOA
alfa.ns.active24.cz hostmaster.active24.cz 2024022301 10800 1800 604800 86400
Primary NS (mname)
alfa.ns.active24.cz
Admin Email (rname)
hostmaster@active24.cz
Serial
2024022301
Refresh
10800s
Retry
1800s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
beta.ns.active24.cz
gama.ns.active24.sk
alfa.ns.active24.cz
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.active24.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 include:spf.active24.com ~all
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