X-FEServer

HTTP response header

This header is optional. The X-FEServer header contains the name of the server(s) that routed the request

Header usage statistics

X-FEServer response header information and usage statistics.

Websites using header X-FEServer16,208
Percentage of websites that use X-FEServer header<0.1%
Total discovered header valuesMore than 10,000
Header uses directivesNo
Header values are unique or randomNo
Most popular in the country United States

X-FEServer Directives

X-FEServer directives value information and usage statistics

DirectiveShareWebsites countUnique Values

Connected technologies

Technologies that utilize the header

Outlook Web App, category Web Mail, total 18,506 websites

X-FEServer header usage distribution by website popularity



Geographical Distribution

Header usage distribution by websites across the globe.






Websites utilizing X-FEServer

List of websites that use X-FEServer header

DomainCountryRankContacts
outlook.live.com United States1,610
outlook.office365.com United States1,859
outlook.com United States3,440
www.outlook.com United States3,440
outlook.office.com United States4,336
ne.de Germany29,954
See full domain list

Common header values

List of top common X-FEServer header values

Header valueValue prevalence
MAIL2.50%
EXCHANGE1.96%
EX010.72%
EXCHANGE20160.56%
EXCHANGE20190.52%
EXCH010.47%
EX10.41%
EXCAS090.39%
MAIL20.38%
EXCHANGE010.38%
EX20160.36%
MAIL010.33%
EXCH0.30%
EX20190.30%
EXCH2013-10.28%
EXCH20160.27%
MAILSERVER0.25%
EXCHANGE10.25%
EX0.25%
MAIL10.23%