Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
performancedoor.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 09:11:07 UTC · ↺ Refresh
MX Hostnames
- d188113b.ess.barracudanetworks.com
- d188113a.ess.barracudanetworks.com
MX Priorities
- d188113a.ess.barracudanetworks.com: 1
- d188113b.ess.barracudanetworks.com: 2
A / AAAA Records
- 141.193.213.10 (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
ns69.worldnic.com namehost\@worldnic.com 125010611 10800 3600 604800 3600
Primary NS (mname)
ns69.worldnic.com
Admin Email (rname)
namehost\@worldnic@com
Serial
125010611
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns70.worldnic.com
ns69.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com +a:pdh.cmssite.net +a:pdh-z.cmssite.net -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: 392 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
4 records- MS=ms55171576
- SPFv=spf1 include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com +a:pdh.cmssite.net +a:pdh-z.cmssite.net -all
- smartsheet-site-validation=hVPcSZ14B-qgTYMYA6Q5TMkSGqutXNwZ
- MS=ms52156179
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