Unable to establish SSL connection

[chaihongjun]

wget https://unpkg.com/quicklink@1.0.0/dist/quicklink.umd.js
SYSTEM_WGETRC = c:/progra~1/wget/etc/wgetrc
syswgetrc = C:\Program Files (x86)\Gow/etc/wgetrc
--2019-03-09 11:10:41--  https://unpkg.com/quicklink@1.0.0/dist/quicklink.umd.js
Resolving unpkg.com... 104.16.125.175, 104.16.124.175, 104.16.122.175, ...
Connecting to unpkg.com|104.16.125.175|:443... connected.
ERROR: cannot verify unpkg.com's certificate, issued by `/C=GB/ST=Greater Manchester/L=Salford/O=COMODO CA Limited/CN=COMODO Domain Validati
on Legacy Server CA 2':
  Unable to locally verify the issuer's authority.
ERROR: certificate common name `ssl714326.cloudflaressl.com' doesn't match requested host name `unpkg.com'.
To connect to unpkg.com insecurely, use `--no-check-certificate'.
Unable to establish SSL connection.

why?

[JCN-9000]

Cloudflare is playing MITM and certificate check failed. Not an issue of wget.