Domain Overview
DNS: ✓ 1h ago
Checker: ✓ 1h ago
csmaster.org
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-20 23:41:18 UTC · ↺ Refresh
MX Hostnames
- mx0.csmaster.org
MX Priorities
- mx0.csmaster.org: 10
A / AAAA Records
- 18.119.78.21 ↩ atlantis.csmaster.org
Mail Server IPs
- 18.119.78.21 ↩ atlantis.csmaster.org
SOA Record
Raw SOA
ns51.domaincontrol.com dns.jomax.net 2026052003 28800 7200 604800 3600
Primary NS (mname)
ns51.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026052003
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns51.domaincontrol.com
ns52.domaincontrol.com
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx ~all
📊 DNS lookups: 2/10
~ 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 a mx ~all
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