Domains with DNS TXT v=spf1 a include:spf.hornetsecurity.com include:sendgrid.net a:mail.windyboats.com -all

There is 1 domain that have DNS TXT set to v=spf1 a include:spf.hornetsecurity.com include:sendgrid.net a:mail.windyboats.com -all.

Top Domains with TXT set to v=spf1 a include:spf.hornetsecurity.com include:sendgrid.net a:mail.windyboats.com -all