https://www.namecheap.com/support/knowledgebase/article.aspx/545/51/how-do-i-set-up-url-redirect-when-i-use-your-freedns-service/

https://www.namecheap.com/support/knowledgebase/article.aspx/308/2214/how-to-set-up-free-email-forwarding/

https://stackoverflow.com/questions/47113210/how-to-mask-url-redirect-with-google-domains/47147459#47147459

https://www.namecheap.com/support/knowledgebase/article.aspx/536/51/how-do-i-set-my-domain-to-use-namecheaps-freedns-service/

https://www.namecheap.com/support/knowledgebase/article.aspx/549/51/how-do-i-authorize-freedns/