Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cdshouston.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 11:18:09 UTC · ↺ Refresh
MX Hostnames
- d300687a.ess.barracudanetworks.com
- d300687b.ess.barracudanetworks.com
MX Priorities
- d300687a.ess.barracudanetworks.com: 5
- d300687b.ess.barracudanetworks.com: 10
A / AAAA Records
- 209.17.116.163 (no PTR)
Mail Server IPs
- 209.222.82.255 ↩ mail.ess.barracuda.com
- 209.222.82.252 ↩ mail.ess.barracuda.com
- 209.222.82.253 ↩ mail.ess.barracuda.com
SOA Record
Raw SOA
ns17.domaincontrol.com dns.jomax.net 2024121309 28800 7200 604800 600
Primary NS (mname)
ns17.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2024121309
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns18.domaincontrol.com
ns17.domaincontrol.com
SPF Record
✗ MissingNo SPF record — domain is unprotected against spoofing.
⚠ No SPF record found. Email servers cannot verify authorized senders.
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 1 found
selector1._domainkey
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- MS=ms36922230
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