Mail exchange server detection
Sender Policy Framework analysis
Email authentication policy check
Domain website and www validation
Technical contact email via WHOIS
For bulk domain checks, use the 📊 Bulk Analysis tab and upload your file with the following requirements:
⚠️ IMPORTANT: Your file MUST have a column header named exactly Domain (capital D)
✅ CORRECT Format:
| Domain |
|---|
| example.com |
| company.org |
| website.net |
❌ WRONG Format (will not work):
| domain |
|---|
| DOMAIN |
|---|
| Domains |
|---|
💡 Tip: Just put "Domain" in cell A1, then list your domains below it (one per row)