Domains with DNS TXT v=spf1 include:mail.zendesk.com include:_spf.mlsend.com include:spf.simply.com -all
There are 3 domains that have DNS TXT set to v=spf1 include:mail.zendesk.com include:_spf.mlsend.com include:spf.simply.com -all. The top 3 records ordered by domain rank are listed below.