4 ms·
After some investigation, it looks like only mailgun.org is declared in ValiMail but not mailgun.net, e.g. a DNS query for 198.244.56.66._ip.c66.c5341538.usw1.s
by tmcdos 6mo ago
After some investigation, it looks like only mailgun.org is declared in ValiMail but not mailgun.net, e.g. a DNS query for 198.244.56.66._ip.c66.c5341538.usw1.send.mailgun.net._ehlo.upwork.com._spf.vali.email
returns "v=spf1 include:mailgun.org -all"