Email security & deliverability · grade A
v=spf1 mx ip4:185.195.144.0/24 ip4:217.67.181.160/28 ip4:130.193.65.40 ip4:81.211.82.0/28 mx:relay.cloud.croc.ru mx:hofftech.ru include:_spf.survmail.com include:spf.unisender.com include:spf.sendsay.ru -all