=== HTTP code : 200 ===

Response headers
================
HTTP/1.1 200 OK
Server: Lotus-Domino
Date: Mon, 29 Jul 2019 00:45:49 GMT
Connection: close
Last-Modified: Mon, 29 Jul 2019 00:45:47 GMT
Expires: Tue, 01 Jan 1980 06:00:00 GMT
Content-Type: text/html; charset=US-ASCII
Content-Length: 7177
Cache-control: no-cache

Request headers
================
HEAD /CLICS/CLICS2012A/csl.nsf/fsbillcont3/710AEDBE85DD498087257981007F0F6E?Open&amp;file=020_rer.pdf HTTP/1.1
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36
Host: www.leg.state.co.us
Accept: */*
Referer: https://ssdp.org
Connection: close


Link is valid.