Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
mckeans.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 06:24:15 UTC · ↺ Refresh
MX Hostnames
- d269951a.ess.barracudanetworks.com
- d269951b.ess.barracudanetworks.com
MX Priorities
- d269951b.ess.barracudanetworks.com: 10
- d269951a.ess.barracudanetworks.com: 0
A / AAAA Records
- 51.222.5.55 (no PTR)
Mail Server IPs
- 209.222.82.253 ↩ mail.ess.barracuda.com
- 209.222.82.255 ↩ mail.ess.barracuda.com
- 209.222.82.252 ↩ mail.ess.barracuda.com
SOA Record
Raw SOA
ns65.domaincontrol.com dns.jomax.net 2024081501 28800 7200 604800 600
Primary NS (mname)
ns65.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2024081501
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns66.domaincontrol.com
ns65.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; fo=1; rua=mailto:[email protected]<mailto:[email protected]>,mailto:[email protected]; ruf=mailto:[email protected]<mailto:[email protected]>,mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]<mailto:[email protected]>,mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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 -all
Full email verification for mckeans.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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