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 answers.yahoo.com:
HTTP/1.1 200 OK
Date: Fri, 23 Feb 2018 17:27:56 GMT
P3P: policyref="https://policies.yahoo.com/w3c/p3p.xml", CP="CAO DSP COR CUR ADM DEV TAI PSA PSD IVAi IVDi CONi TELo OTPi OUR DELi SAMi OTRi UNRi PUBi IND PHY ONL UNI PUR FIN COM NAV INT DEM CNT STA POL HEA PRE LOC GOV"
Set-Cookie: B=53vfbrdd90jos&b=3&s=8i; expires=Sat, 23-Feb-2019 17:27:56 GMT; path=/; domain=.yahoo.com
Vary: Accept-Encoding
Content-Encoding: gzip
Cache-Control: private
X-Frame-Options: SAMEORIGIN
X-XSS-Protection: 1; mode=block
X-Content-Type-Options: NOSNIFF
Content-Type: text/html; charset=UTF-8
Age: 0
Server: ATS
Transfer-Encoding: chunked
Connection: keep-alive
Strict-Transport-Security: max-age=15552000
Via: https/1.1 e40.ycpi.nya.yahoo.com (ApacheTrafficServer [cMsSf ])
Expect-CT: max-age=3600, report-uri="http://csp.yahoo.com/beacon/csp?src=yahoocom-expect-ct-report-only"
Public-Key-Pins-Report-Only: max-age=3600; pin-sha256="2fRAUXyxl4A1/XHrKNBmc8bTkzA7y4FB/GLJuNAzCqY="; pin-sha256="2oALgLKofTmeZvoZ1y/fSZg7R9jPMix8eVA6DH4o/q8="; pin-sha256="Gtk3r1evlBrs0hG3fm3VoM19daHexDWP//OCmeeMr5M="; pin-sha256="I/Lt/z7ekCWanjD0Cvj5EqXls2lOaThEA0H2Bg4BT/o="; pin-sha256="JbQbUG5JMJUoI6brnx0x3vZF6jilxsapbXGVfjhN8Fg="; pin-sha256="SVqWumuteCQHvVIaALrOZXuzVVVeS7f4FGxxu6V+es4="; pin-sha256="UZJDjsNp1+4M5x9cbbdflB779y5YRBcV6Z6rBMLIrO4="; pin-sha256="Wd8xe/qfTwq3ylFNd3IpaqLHZbh2ZNCLluVzmeNkcpw="; pin-sha256="WoiWRyIOVNa9ihaBciRSC7XHjliYS9VwUGOIud4PB18="; pin-sha256="cAajgxHlj7GTSEIzIYIQxmEloOSoJq7VOaxWHfv72QM="; pin-sha256="dolnbtzEBnELx/9lOEQ22e6OZO/QNb6VSSX2XHA3E7A="; pin-sha256="i7WTqTvh0OioIruIfFR4kMPnBqrS2rdiVPl/s2uC/CY="; pin-sha256="iduNzFNKpwYZ3se/XV+hXcbUonlLw09QPa6AYUwpu4M="; pin-sha256="lnsM2T/O9/J84sJFdnrpsFp3awZJ+ZZbYpCWhGloaHI="; pin-sha256="r/mIkG3eEpVdm+u/ko/cwxzOMo1bk4TyHIlByibiA5E="; pin-sha256="uUwZgwDOxcBXrQcntwu+kYFpkiVkOaezL0WYEZ3anJc="; includeSubdomains; report-uri="http://csp.yahoo.com/beacon/csp?src=yahoocom-hpkp-report-only"
answers.yahoo.com - 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 17 DNS record(s) of yahoo.com.