Email Authentication
certainly.com
SPF
passDeclares which servers may send mail for this domain.
v=spf1 include:_spf.google.com ~all
DKIM
passCryptographic signature on outbound mail (selector: google).
v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDKVNsMKuOVgwsQNFuGMFx4dWURqw1biHBVoBdgUNRYny03Fi/EVuEEk7EKjo/xJfGyleFT6eQv46zLwaM5UUbh7zy5BV89u3oOPsw6dg6EyUdZ5pBL6ud4zYJz3Y0Rvcihok8WyVFHg8hhspfojlWkaxjepmUCLuHP/O6gIzmubQIDAQAB
DMARC
passTells receivers what to do with mail that fails SPF/DKIM. Policy: quarantine.
v=DMARC1; p=quarantine; rua=mailto:mailauth-reports@certainly.com,mailto:dmarc_agg@vali.email;
Mail Servers (MX)
10 aspmx.l.google.com
20 alt2.aspmx.l.google.com
20 alt1.aspmx.l.google.com
30 alt4.aspmx.l.google.com
30 alt3.aspmx.l.google.com