Email Authentication
sync.com
SPF
passDeclares which servers may send mail for this domain.
v=spf1 a mx ip4:206.223.162.59 ip4:38.140.220.227 include:_spf.google.com include:sendgrid.net include:spf.mailjet.com include:mail.zendesk.com include:47231785.spf03.hubspotemail.net include:stspg-customer.com ~all
DKIM
noneCryptographic signature on outbound mail (selector: none).
No record published.
DMARC
warningTells receivers what to do with mail that fails SPF/DKIM. Policy: none.
v=DMARC1; p=none; fo=1; rua=mailto:d5fdf5e0@mxtoolbox.dmarc-report.com; ruf=mailto:d5fdf5e0@forensics.dmarc-report.com;
Mail Servers (MX)
1 aspmx.l.google.com
5 alt1.aspmx.l.google.com
5 alt2.aspmx.l.google.com
10 aspmx3.googlemail.com
10 aspmx2.googlemail.com