=== HTTP code : 200 ===

Response headers
================
HTTP/2 200 
server: GitHub.com
content-type: text/html; charset=utf-8
last-modified: Wed, 11 May 2022 11:57:43 GMT
access-control-allow-origin: *
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expires: Sat, 20 May 2023 07:31:07 GMT
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date: Sat, 20 May 2023 20:11:42 GMT
via: 1.1 varnish
age: 0
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Request headers
================
HEAD / HTTP/2
Host: grin.mw
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referer: https://cryptogrizz.com
connection: close


Link is valid.