Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
trinityac.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 06:04:43 UTC · ↺ Refresh
MX Hostnames
- d302570a.ess.barracudanetworks.com
- d302570b.ess.barracudanetworks.com
MX Priorities
- d302570a.ess.barracudanetworks.com: 10
- d302570b.ess.barracudanetworks.com: 20
A / AAAA Records
- 15.197.238.188 ↩ a0df4d283f43d1fe0.awsglobalaccelerator.com
Mail Server IPs
- 209.222.82.253 ↩ mail.ess.barracuda.com
- 209.222.82.252 ↩ mail.ess.barracuda.com
- 209.222.82.255 ↩ mail.ess.barracuda.com
SOA Record
Raw SOA
ns17.domaincontrol.com dns.jomax.net 2026020201 28800 7200 604800 600
Primary NS (mname)
ns17.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026020201
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns18.domaincontrol.com
ns17.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 mx include:adsremote.net include:servers.mcsv.net include:spf.ess.barracudanetworks.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- v=verifydomain MS=9545728
- SPFv=spf1 mx include:adsremote.net include:servers.mcsv.net include:spf.ess.barracudanetworks.com -all
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