Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
performancelab.com.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-21 00:15:14 UTC · ↺ Refresh
MX Hostnames
- performancelab-com-br.mail.protection.outlook.com
MX Priorities
No priority data.
A / AAAA Records
- 137.131.216.30
Mail Server IPs
No IPs resolved.
SOA Record
No SOA record found.
Nameservers (NS)
ns479.hostgator.com.br
ns478.hostgator.com.br
SPF Record
✓ Strict (-all)
v=spf1 a mx include:spf.protection.outlook.com include:spf-133.mailgrid.net.br include:_spf.tiflux.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;sp=none;adkim=s;aspf=s;pct=100;fo=0;rf=afrf;ri=86400;rua=mailto:[email protected];ruf=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 5 found
selector1._domainkey
selector2._domainkey
default._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
2 records- SPFv=spf1 a mx include:spf.protection.outlook.com include:spf-133.mailgrid.net.br include:_spf.tiflux.com -all
- google-site-verification=Qum_cajiS-PUB2O8NdMsK4Bn5XsKB0WEzA_gIcTjlnc
Full email verification for performancelab.com.br
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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