Ready to Enforce Limits
Enter a domain to recursively check its SPF record limits. Discover exactly how many lookups your providers are secretly costing you.
SPF Records Tools
Stop your emails from silently failing due to hidden third-party lookups. Enforce the strict RFC 7208 limits, calculate your exact DNS lookup cost, and protect your domain's reputation instantly.
Enter a domain to recursively check its SPF record limits. Discover exactly how many lookups your providers are secretly costing you.
Ensure your emails aren't silently failing SPF validation due to hidden third-party lookups. Protect your domain's reputation with our deep recursive limit enforcement tool.