SPF records
Information about the permissible posts of mail for the domainv=spf1 ip4:45.140.19.10 ip4:45.131.46.60 ip4:45.131.46.87 ip4:62.3.58.20 ip4:185.105.91.48 ip4:185.105.91.50 ip4:185.105.91.49 ip4:84.252.73.233 ip4:84.252.73.220 ip4:84.252.73.230 ip4:185.103.109.127 ip4:185.103.109.113 ip4:185.103.109.111 ip4:193.3.23.4