HTTP header fields are components of the message header of requests and responses in the Hypertext Transfer Protocol (HTTP). They define the operating parameters of an HTTP transaction. The header fields are not directly displayed by normal web browsers like Internet Explorer, Google Chrome, Firefox etc. Below is the HTTP Header information of dl.free.fr:
HTTP/1.1 200 OK
Date: Mon, 01 May 2017 23:55:46 GMT
Server: Apache/DL [Apr 10 2012 14:38:58]
Cache-Control: no-cache, no-store, must-revalidate
Expires: Thu, 29 Oct 1998 17:04:19 GMT
dl.free.fr - DNS Record Analysis
Domain Name Systes (DNS) translates easily memorized domain names to the numerical IP addresses needed for the purpose of locating computer services and devices worldwide. There are total 7 DNS record(s) of free.fr.