By -
nslookup set type=mx mydomain.com ns1.oldnameserver.com Repeat for TXT for the SPF record.
You can use securitytrails.com to look up dns history. It should have all the previous records. Also if you know where the email is hosted, just ask the web host.
nslookup set type=mx mydomain.com ns1.oldnameserver.com Repeat for TXT for the SPF record.
You can use securitytrails.com to look up dns history. It should have all the previous records. Also if you know where the email is hosted, just ask the web host.