Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cztester.com
Disposable
✓ Yes
Unknown
⚠ Yes
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-14 01:43:22 UTC · ↺ Refresh
MX Hostnames
- alt.mailsac.com
- in.mailsac.com
MX Priorities
- in.mailsac.com: 1
- alt.mailsac.com: 5
A / AAAA Records
- 3.33.251.168 ↩ aec037177372cc6cd.awsglobalaccelerator.com
- 15.197.225.128 ↩ aec037177372cc6cd.awsglobalaccelerator.com
Mail Server IPs
- 34.214.85.62 ↩ ec2-34-214-85-62.us-west-2.compute.amazonaws.com
- 54.186.130.2 ↩ ec2-54-186-130-2.us-west-2.compute.amazonaws.com
SOA Record
Raw SOA
ns55.domaincontrol.com dns.jomax.net 2025120101 28800 7200 604800 600
Primary NS (mname)
ns55.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2025120101
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns56.domaincontrol.com
ns55.domaincontrol.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:relays.mailsac.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
2 records- SPFv=spf1 include:relays.mailsac.com ~all
- mailsac_2qxsO2r98vvaScmcocr6yQTM
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