SPF checker
SPF says which servers may send mail as your domain. The limit that catches people out is not the record's length — it is that evaluating it may cause at most ten DNS queries, counted across every include it reaches.
Try one of these
SPF says which servers may send mail as your domain. The limit that catches people out is not the record's length — it is that evaluating it may cause at most ten DNS queries, counted across every include it reaches.
Try one of these