Automatically scan your domain, flatten complex SPF lookup limits, and stage safe updates across Cloudflare and Route 53.
Click SledgeLookup in the console tabs below for a complete MX & DMARC check.
Type your company domain (e.g., sunsetpursuits.com) into the Target input box.
Instantly view clear status badges and copy recommended DNS fixes to your clipboard.
Select a diagnostic tool below and click run for real-time analysis.
Check sending IPs or mail domains against major spam blocklists (Spamhaus, Barracuda).
Paste raw email MIME headers to inspect relay hops and authentication results.
Recursively resolve nested SPF mechanisms into a static record under the 10-lookup limit.
Generate CNAME routing targets to delegate DMARC policy management directly to Sledgeheader.
Instantly generate selector CNAME rules for external email service providers.
Scan for orphaned cloud provider pointers and dangling DNS records.
Upload aggregate reports (.xml, .gz, .zip) to parse headers and stream records into BigQuery analytics.
Build brand indicator selector TXT entries for VMC compliance in inbox avatars.
// Select a tool above or run an audit to see real-time outputs...
Instant setup. No sales calls or manual provisioning needed.