Email Security
All tools →SPF Inspector
Parse v=spf1, count DNS lookups, check ~all/-all. — free, private, client-side. API: POST /api/v1/tools/spf-inspector
SPF Inspector — parse & validate v=spf1
Fetches the TXT record, counts DNS lookups (RFC 7208 limit: 10) and flattens includes.
Runs 100% in your browser — no data leaves your device. For programmatic use:
curl -X POST /api/v1/tools/spf-inspector -d '{ "input": "hello" }' → JSON. See /docs/api.