The D-mail system is a secure e-mail application based on DNSSEC. With the help of DNSSEC,e-mails can have a globally trusted self-signed certificate, global certificate authentication andquery, and...

The D-mail system is a secure e-mail application based on DNSSEC. With the help of DNSSEC,e-mails can have a globally trusted self-signed certificate, global certificate authentication andquery, and rapid certificate revocation, which cannot be achieved by current secure e-mailsolutions.What do you think of this Dmail system. Looking at the picture explain its working strategy. Whatdo you think based on the certificates whether this solution is feasible or not. Justify your answerin terms of certificates used for email and Dmail in details.