OPEN Windows Command Prompt:
nslookup google.com

OPTIONAL dig, if utility is installed (not included in Windows by default):
dig google.com
dig +short google.com

CHROME:
Open https://example.com
F12 -> Network -> refresh page -> click main document -> Headers / Response / Timing

POSTMAN (title mentions Postman; manual detailed instructions use browser DevTools):
Create GET request: https://example.com -> Send -> inspect Status, Headers, Body
