How often does proSPF.cloud check my SPF record?
The proSPF engine checks your SPF record (at prospf.yourdomain.com) every hour.
How often does proSPF.cloud check the hosts specified in my SPF record, eg Office 365, MailChimp, SurveyMonkey, etc?
We know your SPF record might not have changed, but the people specified in your record might have changed their IP address ranges. So we alo check the SPF record of every provider you specify every hour.
How much does it cost?
Right now, it’s free for select customers. Please contact us to join us. Beyond the free period we have plans starting from just $1/month per domain name.