User-agent: *
Disallow: /wp-admin/
Disallow: /old/
Allow: /wp-admin/admin-ajax.php

user-agent: Ahrefs-Bot
 disallow: /

user-agent: AhrefsBot/1.0
 disallow: /

user-agent: Ahrefs-Bot/1.0
 disallow: /

user-agent: Ahrefs-Bot/2.0
 disallow: /

user-agent: Ahrefs-Bot/3.0
 disallow: /

user-agent: Ahrefs-Bot/4.0
 disallow: /

user-agent: Ahrefs-Bot/5.0
 disallow: /
 
user-agent: Ahrefs-Bot/6.0
 disallow: / 

user-agent: Ahrefs-Bot/6.1
 disallow: /