Just simple redirect from old domain to new domain permanently in simple way using htaccess like

	RewriteEngine on
	RewriteCond %{HTTP_HOST} ^www\.old-domain-name\.com$ [OR]
	RewriteCond %{HTTP_HOST} ^old-domain-namey\.com$
	RewriteRule ^(.*)$ http\:\/\/new-domain-name\.com\/$1 [R=301,L]

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