Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
optimaltax.ca
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 15:09:41 UTC · ↺ Refresh
MX Hostnames
- d408586.b.ess.ca.barracudanetworks.com
- d408586.a.ess.ca.barracudanetworks.com
MX Priorities
- d408586.b.ess.ca.barracudanetworks.com: 5
- d408586.a.ess.ca.barracudanetworks.com: 0
A / AAAA Records
- 68.65.122.235 ↩ server104-2.web-hosting.com
Mail Server IPs
- 15.222.16.209 ↩ mail.ess.ca.barracuda.com
- 15.222.16.210 ↩ mail.ess.ca.barracuda.com
- 15.222.16.211 ↩ mail.ess.ca.barracuda.com
SOA Record
Raw SOA
ns09.domaincontrol.com dns.jomax.net 2025071200 28800 7200 604800 600
Primary NS (mname)
ns09.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2025071200
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns09.domaincontrol.com
ns10.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.ess.ca.barracudanetworks.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
default._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
1 record- SPFv=spf1 include:spf.protection.outlook.com include:spf.ess.ca.barracudanetworks.com -all
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