I tried to configure KDIM, but it verfication fail, can you help to check?

I follow the steps: https://www.zoho.com/campaigns/help/setup-spf-dkim.html#GoDaddy

domain: ewamobile.com

domain provider: godaddy

by the way:  

TXT Value : Enter here your DKIM/ domain key record (  "k=rsa; p=MIGfMA0GCSqGSIb3DQE" )

how to generate the ssh key?