Unmentioned in the article - Curl supports --resolve, this single feature helps us test all sorts of scenarios for HTTPS and hostname based multiplexing where D

Unmentioned in the article - Curl supports --resolve, this single feature helps us test all sorts of scenarios for HTTPS and hostname based multiplexing where DNS isn't updated or consistent yet, e.g. transferring site, bringing up cold standbys, couldn't live without it (well I could if I wanted to edit /etc/hosts continuously)