Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
preventous.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-20 21:25:55 UTC · ↺ Refresh
MX Hostnames
- preventous-com.mail.protection.outlook.com
MX Priorities
No priority data.
A / AAAA Records
- 141.193.213.10
- 141.193.213.11
Mail Server IPs
No IPs resolved.
SOA Record
No SOA record found.
Nameservers (NS)
ns53.domaincontrol.com
ns54.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:72.167.150.76 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; fo=1; pct=100; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
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
5 records- brevo-code:a7e4dd4c37fdea706ffda34ecf7fc504
- google-site-verification=K8VzDKPqIdTHdgCeJ4Nk3I1ZyzaJ8pc2fVMOhCMfx0E
- MS=ms22074026
- SPFv=spf1 ip4:72.167.150.76 include:spf.protection.outlook.com -all
- klaviyo-site-verification=S7N4uB
Full email verification for preventous.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits