SPF Lookup Breakdown
SPF caps you at 10 DNS lookups — go over, and mail can get a permanent failure. See exactly what's using them up.
Just want the full picture, not just SPF? Run the free instant checker instead.
SPF caps you at 10 DNS lookups — go over, and mail can get a permanent failure. See exactly what's using them up.
Just want the full picture, not just SPF? Run the free instant checker instead.