DNS LOOKUP · EMAIL SECURITY
DNS & Email Tools
Look up records. Understand the findings. Keep the evidence.
Run a DNS or email lookup
Public diagnosticsFrequently used records
Advanced DNS & security
Privacy & how these tools work
Results are not stored in account history. Header and DNS-log analysis are processed in memory. Do not submit message bodies, credentials or sensitive client identifiers.
Keep watching after your lookup
Track confirmed DNS and security changes with hourly monitoring, in-app notifications and optional email alerts.
Set up monitoring & alerts →Manage domains & provider connections
Your email domains and provider connections
Add a domain and publish its TXT challenge. Google Postmaster and Shodan checks recheck DNS ownership on each request. Their API credentials and domain permissions are configured separately by the administrator.
Google Postmaster: Not configured · Shodan: Not configured