DNS over HTTPS ：Check web site IP is spoofed or not...
DNS over HTTPS 更新
DNS over HTTPS 简介
1. This Firefox add-on gets web site FQDN, domain name and IP when user browser to web site,
2. This Firefox add-on gets web site IP, PTR and CNAME form DoH server.
3. This Firefox add-on compares these data and changes icon color by result:
Green color = Nromal
Yellow color = Private IP
Red Color = Both IP form browser and DoH is different AND domain name is not appears in the PTR/CNAME