Domains with DNS TXT v=spf1 mx a ptr ip4:162.223.120.143 a:zimbra.silverservers.com a:*.silverservers.com -all
There is 1 domain that have DNS TXT set to v=spf1 mx a ptr ip4:162.223.120.143 a:zimbra.silverservers.com a:*.silverservers.com -all.
There is 1 domain that have DNS TXT set to v=spf1 mx a ptr ip4:162.223.120.143 a:zimbra.silverservers.com a:*.silverservers.com -all.