Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
esrh.org
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-26 18:48:35 UTC · ↺ Refresh
MX Hostnames
- d211800b.ess.barracudanetworks.com
- d211800a.ess.barracudanetworks.com
MX Priorities
- d211800a.ess.barracudanetworks.com: 0
- d211800b.ess.barracudanetworks.com: 10
A / AAAA Records
- 141.193.213.21 (no PTR)
- 141.193.213.20 (no PTR)
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
ns67.domaincontrol.com dns.jomax.net 2025011300 86400 7200 3600000 86400
Primary NS (mname)
ns67.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2025011300
Refresh
86400s
Retry
7200s
Expire
3600000s
Minimum TTL
86400s
Nameservers (NS)
ns68.domaincontrol.com
ns67.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; sp=reject; np=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- MXw/MDVgOzPyIn0lJCGRI7VZs25Z/qflsM3LSa4HbPLlSLdgQVdQrNcGMHVnspGvTTSxcoG7hmyuyaoyUzgDIg==
- apple-domain-verification=br7scLTlTdbmfbuZ
- MS=ms35137465
- SPFv=spf1 include:spf.protection.outlook.com -all
Full email verification for esrh.org
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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