URL: https://helpdesk-dev.itras.mg/
Submission: On August 25 via automatic, source certstream-suspicious

Summary

This website contacted 1 IPs in 1 countries across 1 domains to perform 7 HTTP transactions. The main IP is 89.89.209.170, located in Saint-Gratien, France and belongs to BOUYGTEL-ISP, FR. The main domain is helpdesk-dev.itras.mg.
TLS certificate: Issued by R3 on August 24th 2021. Valid for: 3 months.
This is the only time helpdesk-dev.itras.mg was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
7 89.89.209.170 5410 (BOUYGTEL-ISP)
7 1
Apex Domain
Subdomains
Transfer
7 itras.mg
helpdesk-dev.itras.mg
357 KB
7 1
Domain Requested by
7 helpdesk-dev.itras.mg helpdesk-dev.itras.mg
7 1

This site contains no links.

Subject Issuer Validity Valid
helpdesk-dev.itras.mg
R3
2021-08-24 -
2021-11-22
3 months crt.sh

This page contains 1 frames:

Primary Page: https://helpdesk-dev.itras.mg/
Frame ID: 5BB9ECB2556C3CDB022F48B25E30B156
Requests: 7 HTTP requests in this frame

Screenshot

Page Title

HELPDESK

Detected technologies

Overall confidence: 100%
Detected patterns
  • headers server /Ubuntu/i

Overall confidence: 100%
Detected patterns
  • headers server /nginx(?:\/([\d.]+))?/i

Page Statistics

7
Requests

100 %
HTTPS

0 %
IPv6

1
Domains

1
Subdomains

1
IPs

1
Countries

357 kB
Transfer

833 kB
Size

0
Cookies

Redirected requests

There were HTTP redirect chains for the following requests:

7 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Primary Request /
helpdesk-dev.itras.mg/
937 B
790 B
Document
General
Full URL
https://helpdesk-dev.itras.mg/
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, CHACHA20_POLY1305
Server
89.89.209.170 Saint-Gratien, France, ASN5410 (BOUYGTEL-ISP, FR),
Reverse DNS
89-89-209-170.abo.bbox.fr
Software
nginx/1.14.0 (Ubuntu) /
Resource Hash
240ec36eefceac994fd356dbfbc5247a2d2107e631923c88e776da64f58b4465
Security Headers
Name Value
Strict-Transport-Security max-age=500

Request headers

Host
helpdesk-dev.itras.mg
Connection
keep-alive
Pragma
no-cache
Cache-Control
no-cache
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.159 Safari/537.36
Accept
text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9
Sec-Fetch-Site
none
Sec-Fetch-Mode
navigate
Sec-Fetch-User
?1
Sec-Fetch-Dest
document
Accept-Encoding
gzip, deflate, br
Accept-Language
en-US
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.159 Safari/537.36

Response headers

Server
nginx/1.14.0 (Ubuntu)
Date
Wed, 25 Aug 2021 00:23:07 GMT
Content-Type
text/html
Transfer-Encoding
chunked
Connection
keep-alive
Vary
Accept-Encoding Accept-Encoding
Last-Modified
Mon, 23 Aug 2021 15:00:13 GMT
ETag
W/"6123b7fd-3a9"
Strict-Transport-Security
max-age=500
Content-Encoding
gzip
styles.8fe990fbd7eb19200333.css
helpdesk-dev.itras.mg/
13 KB
3 KB
Stylesheet
General
Full URL
https://helpdesk-dev.itras.mg/styles.8fe990fbd7eb19200333.css
Requested by
Host: helpdesk-dev.itras.mg
URL: https://helpdesk-dev.itras.mg/
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, CHACHA20_POLY1305
Server
89.89.209.170 Saint-Gratien, France, ASN5410 (BOUYGTEL-ISP, FR),
Reverse DNS
89-89-209-170.abo.bbox.fr
Software
nginx/1.14.0 (Ubuntu) /
Resource Hash
5742ffa48357b46226b64a3f6da69a489829a16623d67fae32ade64352a67163
Security Headers
Name Value
Strict-Transport-Security max-age=500

Request headers

Pragma
no-cache
Sec-Fetch-Site
same-origin
Accept-Encoding
gzip, deflate, br
Host
helpdesk-dev.itras.mg
Accept-Language
en-US
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.159 Safari/537.36
Sec-Fetch-Mode
no-cors
Accept
text/css,*/*;q=0.1
Cache-Control
no-cache
Sec-Fetch-Dest
style
Referer
https://helpdesk-dev.itras.mg/
Connection
keep-alive
Referer
https://helpdesk-dev.itras.mg/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.159 Safari/537.36

Response headers

Date
Wed, 25 Aug 2021 00:23:08 GMT
Content-Encoding
gzip
Vary
Accept-Encoding Accept-Encoding
Last-Modified
Mon, 23 Aug 2021 15:00:13 GMT
Server
nginx/1.14.0 (Ubuntu)
ETag
W/"6123b7fd-349f"
Strict-Transport-Security
max-age=500
Content-Type
text/css
Transfer-Encoding
chunked
Connection
keep-alive
runtime-es2015.016f6155c64a8eab4d81.js
helpdesk-dev.itras.mg/
3 KB
2 KB
Script
General
Full URL
https://helpdesk-dev.itras.mg/runtime-es2015.016f6155c64a8eab4d81.js
Requested by
Host: helpdesk-dev.itras.mg
URL: https://helpdesk-dev.itras.mg/
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, CHACHA20_POLY1305
Server
89.89.209.170 Saint-Gratien, France, ASN5410 (BOUYGTEL-ISP, FR),
Reverse DNS
89-89-209-170.abo.bbox.fr
Software
nginx/1.14.0 (Ubuntu) /
Resource Hash
7eb8c902524ff77bdfe191a1bde6de80b1bb73db71edf1dd240a8a8cff27d7b0
Security Headers
Name Value
Strict-Transport-Security max-age=500

Request headers

Pragma
no-cache
Sec-Fetch-Site
same-origin
Origin
https://helpdesk-dev.itras.mg
Accept-Encoding
gzip, deflate, br
Host
helpdesk-dev.itras.mg
Accept-Language
en-US
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.159 Safari/537.36
Sec-Fetch-Mode
cors
Accept
*/*
Cache-Control
no-cache
Sec-Fetch-Dest
script
Referer
https://helpdesk-dev.itras.mg/
Connection
keep-alive
Origin
https://helpdesk-dev.itras.mg
Referer
https://helpdesk-dev.itras.mg/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.159 Safari/537.36

Response headers

Date
Wed, 25 Aug 2021 00:23:08 GMT
Content-Encoding
gzip
Vary
Accept-Encoding Accept-Encoding
Last-Modified
Mon, 23 Aug 2021 15:00:13 GMT
Server
nginx/1.14.0 (Ubuntu)
ETag
W/"6123b7fd-b66"
Strict-Transport-Security
max-age=500
Content-Type
application/javascript
Transfer-Encoding
chunked
Connection
keep-alive
polyfills-es2015.b4402f0f5fffe88e20cd.js
helpdesk-dev.itras.mg/
36 KB
13 KB
Script
General
Full URL
https://helpdesk-dev.itras.mg/polyfills-es2015.b4402f0f5fffe88e20cd.js
Requested by
Host: helpdesk-dev.itras.mg
URL: https://helpdesk-dev.itras.mg/
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, CHACHA20_POLY1305
Server
89.89.209.170 Saint-Gratien, France, ASN5410 (BOUYGTEL-ISP, FR),
Reverse DNS
89-89-209-170.abo.bbox.fr
Software
nginx/1.14.0 (Ubuntu) /
Resource Hash
5779983d5bd3ab2585c9a8ffeb108ac37a2a7070647ab9c39b2c328960416179
Security Headers
Name Value
Strict-Transport-Security max-age=500

Request headers

Pragma
no-cache
Sec-Fetch-Site
same-origin
Origin
https://helpdesk-dev.itras.mg
Accept-Encoding
gzip, deflate, br
Host
helpdesk-dev.itras.mg
Accept-Language
en-US
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.159 Safari/537.36
Sec-Fetch-Mode
cors
Accept
*/*
Cache-Control
no-cache
Sec-Fetch-Dest
script
Referer
https://helpdesk-dev.itras.mg/
Connection
keep-alive
Origin
https://helpdesk-dev.itras.mg
Referer
https://helpdesk-dev.itras.mg/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.159 Safari/537.36

Response headers

Date
Wed, 25 Aug 2021 00:23:08 GMT
Content-Encoding
gzip
Vary
Accept-Encoding Accept-Encoding
Last-Modified
Mon, 23 Aug 2021 15:00:13 GMT
Server
nginx/1.14.0 (Ubuntu)
ETag
W/"6123b7fd-9081"
Strict-Transport-Security
max-age=500
Content-Type
application/javascript
Transfer-Encoding
chunked
Connection
keep-alive
scripts.51bc521bcbd36da12a38.js
helpdesk-dev.itras.mg/
56 KB
17 KB
Script
General
Full URL
https://helpdesk-dev.itras.mg/scripts.51bc521bcbd36da12a38.js
Requested by
Host: helpdesk-dev.itras.mg
URL: https://helpdesk-dev.itras.mg/
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, CHACHA20_POLY1305
Server
89.89.209.170 Saint-Gratien, France, ASN5410 (BOUYGTEL-ISP, FR),
Reverse DNS
89-89-209-170.abo.bbox.fr
Software
nginx/1.14.0 (Ubuntu) /
Resource Hash
1eb10717139e82fec20d81709b7f896dad33b6d2e19f38988b5827ea3344774f
Security Headers
Name Value
Strict-Transport-Security max-age=500

Request headers

Pragma
no-cache
Sec-Fetch-Site
same-origin
Accept-Encoding
gzip, deflate, br
Host
helpdesk-dev.itras.mg
Accept-Language
en-US
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.159 Safari/537.36
Sec-Fetch-Mode
no-cors
Accept
*/*
Cache-Control
no-cache
Sec-Fetch-Dest
script
Referer
https://helpdesk-dev.itras.mg/
Connection
keep-alive
Referer
https://helpdesk-dev.itras.mg/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.159 Safari/537.36

Response headers

Date
Wed, 25 Aug 2021 00:23:08 GMT
Content-Encoding
gzip
Vary
Accept-Encoding Accept-Encoding
Last-Modified
Mon, 23 Aug 2021 15:00:13 GMT
Server
nginx/1.14.0 (Ubuntu)
ETag
W/"6123b7fd-e150"
Strict-Transport-Security
max-age=500
Content-Type
application/javascript
Transfer-Encoding
chunked
Connection
keep-alive
main-es2015.7c2a40a2024cc4aeab45.js
helpdesk-dev.itras.mg/
561 KB
158 KB
Script
General
Full URL
https://helpdesk-dev.itras.mg/main-es2015.7c2a40a2024cc4aeab45.js
Requested by
Host: helpdesk-dev.itras.mg
URL: https://helpdesk-dev.itras.mg/
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, CHACHA20_POLY1305
Server
89.89.209.170 Saint-Gratien, France, ASN5410 (BOUYGTEL-ISP, FR),
Reverse DNS
89-89-209-170.abo.bbox.fr
Software
nginx/1.14.0 (Ubuntu) /
Resource Hash
e6864cbee1d92eb1beff31a283cd183d19ebf02136f70b0f90ab467110adbb73
Security Headers
Name Value
Strict-Transport-Security max-age=500

Request headers

Pragma
no-cache
Sec-Fetch-Site
same-origin
Origin
https://helpdesk-dev.itras.mg
Accept-Encoding
gzip, deflate, br
Host
helpdesk-dev.itras.mg
Accept-Language
en-US
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.159 Safari/537.36
Sec-Fetch-Mode
cors
Accept
*/*
Cache-Control
no-cache
Sec-Fetch-Dest
script
Referer
https://helpdesk-dev.itras.mg/
Connection
keep-alive
Origin
https://helpdesk-dev.itras.mg
Referer
https://helpdesk-dev.itras.mg/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.159 Safari/537.36

Response headers

Date
Wed, 25 Aug 2021 00:23:08 GMT
Content-Encoding
gzip
Vary
Accept-Encoding Accept-Encoding
Last-Modified
Mon, 23 Aug 2021 15:00:13 GMT
Server
nginx/1.14.0 (Ubuntu)
ETag
W/"6123b7fd-8c3ba"
Strict-Transport-Security
max-age=500
Content-Type
application/javascript
Transfer-Encoding
chunked
Connection
keep-alive
Nunito-Regular.ttf
helpdesk-dev.itras.mg/assets/fonts/
163 KB
163 KB
Font
General
Full URL
https://helpdesk-dev.itras.mg/assets/fonts/Nunito-Regular.ttf
Requested by
Host: helpdesk-dev.itras.mg
URL: https://helpdesk-dev.itras.mg/styles.8fe990fbd7eb19200333.css
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, CHACHA20_POLY1305
Server
89.89.209.170 Saint-Gratien, France, ASN5410 (BOUYGTEL-ISP, FR),
Reverse DNS
89-89-209-170.abo.bbox.fr
Software
nginx/1.14.0 (Ubuntu) /
Resource Hash
022bea9b64e6afc9146cc03d85a19fe8cca08ab9119142f90ea4ceb1577cdaa8
Security Headers
Name Value
Strict-Transport-Security max-age=500

Request headers

Pragma
no-cache
Sec-Fetch-Site
same-origin
Origin
https://helpdesk-dev.itras.mg
Accept-Encoding
gzip, deflate, br
Host
helpdesk-dev.itras.mg
Accept-Language
en-US
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.159 Safari/537.36
Sec-Fetch-Mode
cors
Accept
*/*
Cache-Control
no-cache
Sec-Fetch-Dest
font
Referer
https://helpdesk-dev.itras.mg/styles.8fe990fbd7eb19200333.css
Connection
keep-alive
Origin
https://helpdesk-dev.itras.mg
Referer
https://helpdesk-dev.itras.mg/styles.8fe990fbd7eb19200333.css
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.159 Safari/537.36

Response headers

Date
Wed, 25 Aug 2021 00:23:08 GMT
Last-Modified
Mon, 23 Aug 2021 15:00:13 GMT
Server
nginx/1.14.0 (Ubuntu)
ETag
"6123b7fd-28b2c"
Strict-Transport-Security
max-age=500
Content-Type
application/octet-stream
Connection
keep-alive
Accept-Ranges
bytes
Content-Length
166700

Verdicts & Comments Add Verdict or Comment

146 JavaScript Global Variables

These are the non-standard "global" variables defined on the window object. These can be helpful in identifying possible client-side frameworks and code.

object| onbeforexrselect object| ontransitionrun object| ontransitionstart object| ontransitioncancel object| cookieStore function| showDirectoryPicker function| showOpenFilePicker function| showSaveFilePicker boolean| originAgentCluster object| trustedTypes boolean| crossOriginIsolated object| webpackJsonp function| Zone function| __zone_symbol__Promise function| __zone_symbol__ZoneAwarePromise function| __zone_symbol__fetch function| __zone_symbol__setTimeout function| __zone_symbol__clearTimeout function| __zone_symbol__setInterval function| __zone_symbol__clearInterval function| __zone_symbol__requestAnimationFrame function| __zone_symbol__cancelAnimationFrame function| __zone_symbol__webkitRequestAnimationFrame function| __zone_symbol__webkitCancelAnimationFrame function| __zone_symbol__alert function| __zone_symbol__prompt function| __zone_symbol__confirm function| __zone_symbol__MutationObserver function| __zone_symbol__WebKitMutationObserver function| __zone_symbol__IntersectionObserver function| __zone_symbol__FileReader boolean| __zone_symbol__ononabortpatched boolean| __zone_symbol__ononanimationendpatched boolean| __zone_symbol__ononanimationiterationpatched boolean| __zone_symbol__ononauxclickpatched boolean| __zone_symbol__ononblurpatched boolean| __zone_symbol__ononcancelpatched boolean| __zone_symbol__ononcanplaypatched boolean| __zone_symbol__ononcanplaythroughpatched boolean| __zone_symbol__ononchangepatched boolean| __zone_symbol__ononcuechangepatched boolean| __zone_symbol__ononclickpatched boolean| __zone_symbol__ononclosepatched boolean| __zone_symbol__ononcontextmenupatched boolean| __zone_symbol__onondblclickpatched boolean| __zone_symbol__onondragpatched boolean| __zone_symbol__onondragendpatched boolean| __zone_symbol__onondragenterpatched boolean| __zone_symbol__onondragleavepatched boolean| __zone_symbol__onondragoverpatched boolean| __zone_symbol__onondroppatched boolean| __zone_symbol__onondurationchangepatched boolean| __zone_symbol__ononemptiedpatched boolean| __zone_symbol__ononendedpatched boolean| __zone_symbol__ononerrorpatched boolean| __zone_symbol__ononfocuspatched boolean| __zone_symbol__onongotpointercapturepatched boolean| __zone_symbol__ononinputpatched boolean| __zone_symbol__ononinvalidpatched boolean| __zone_symbol__ononkeydownpatched boolean| __zone_symbol__ononkeypresspatched boolean| __zone_symbol__ononkeyuppatched boolean| __zone_symbol__ononloadpatched boolean| __zone_symbol__ononloadstartpatched boolean| __zone_symbol__ononloadeddatapatched boolean| __zone_symbol__ononloadedmetadatapatched boolean| __zone_symbol__ononlostpointercapturepatched boolean| __zone_symbol__ononmousedownpatched boolean| __zone_symbol__ononmouseenterpatched boolean| __zone_symbol__ononmouseleavepatched boolean| __zone_symbol__ononmousemovepatched boolean| __zone_symbol__ononmouseoutpatched boolean| __zone_symbol__ononmouseoverpatched boolean| __zone_symbol__ononmouseuppatched boolean| __zone_symbol__ononmousewheelpatched boolean| __zone_symbol__ononpausepatched boolean| __zone_symbol__ononplaypatched boolean| __zone_symbol__ononplayingpatched boolean| __zone_symbol__ononpointercancelpatched boolean| __zone_symbol__ononpointerdownpatched boolean| __zone_symbol__ononpointerenterpatched boolean| __zone_symbol__ononpointerleavepatched boolean| __zone_symbol__ononpointermovepatched boolean| __zone_symbol__ononpointeroverpatched boolean| __zone_symbol__ononpointeruppatched boolean| __zone_symbol__ononprogresspatched boolean| __zone_symbol__ononratechangepatched boolean| __zone_symbol__ononresetpatched boolean| __zone_symbol__ononresizepatched boolean| __zone_symbol__ononscrollpatched boolean| __zone_symbol__ononseekedpatched boolean| __zone_symbol__ononseekingpatched boolean| __zone_symbol__ononselectpatched boolean| __zone_symbol__ononselectionchangepatched boolean| __zone_symbol__ononselectstartpatched boolean| __zone_symbol__ononstalledpatched boolean| __zone_symbol__ononsubmitpatched boolean| __zone_symbol__ononsuspendpatched boolean| __zone_symbol__onontimeupdatepatched boolean| __zone_symbol__ononvolumechangepatched boolean| __zone_symbol__onontransitioncancelpatched boolean| __zone_symbol__onontransitionendpatched boolean| __zone_symbol__ononwaitingpatched boolean| __zone_symbol__ononwheelpatched boolean| __zone_symbol__onontogglepatched boolean| __zone_symbol__ononafterprintpatched boolean| __zone_symbol__ononappinstalledpatched boolean| __zone_symbol__ononbeforeinstallpromptpatched boolean| __zone_symbol__ononbeforeprintpatched boolean| __zone_symbol__ononbeforeunloadpatched boolean| __zone_symbol__onondevicemotionpatched boolean| __zone_symbol__onondeviceorientationpatched boolean| __zone_symbol__onondeviceorientationabsolutepatched boolean| __zone_symbol__ononhashchangepatched boolean| __zone_symbol__ononlanguagechangepatched boolean| __zone_symbol__ononmessagepatched boolean| __zone_symbol__ononofflinepatched boolean| __zone_symbol__onononlinepatched boolean| __zone_symbol__ononpageshowpatched boolean| __zone_symbol__ononpagehidepatched boolean| __zone_symbol__ononpopstatepatched boolean| __zone_symbol__ononrejectionhandledpatched boolean| __zone_symbol__ononstoragepatched boolean| __zone_symbol__ononunhandledrejectionpatched boolean| __zone_symbol__ononunloadpatched boolean| __zone_symbol__onondragstartpatched boolean| __zone_symbol__ononanimationstartpatched boolean| __zone_symbol__ononsearchpatched boolean| __zone_symbol__onontransitionrunpatched boolean| __zone_symbol__onontransitionstartpatched boolean| __zone_symbol__ononwebkitanimationendpatched boolean| __zone_symbol__ononwebkitanimationiterationpatched boolean| __zone_symbol__ononwebkitanimationstartpatched boolean| __zone_symbol__ononwebkittransitionendpatched boolean| __zone_symbol__ononpointeroutpatched boolean| __zone_symbol__ononmessageerrorpatched object| __zone_symbol__resizefalse function| SimpleBar object| __zone_symbol__popstatefalse object| __zone_symbol__hashchangefalse function| __zone_symbol__addEventListener function| __zone_symbol__removeEventListener undefined| __zone_symbol__eventListeners undefined| __zone_symbol__removeAllListeners function| eventListeners function| removeAllListeners

0 Cookies

1 Console Messages

Source Level URL
Text
console-api error URL: https://helpdesk-dev.itras.mg/main-es2015.7c2a40a2024cc4aeab45.js(Line 1)
Message:
TypeError: Cannot read property 'getItem' of null

Security Headers

This page lists any security headers set by the main page. If you want to understand what these mean and how to use them, head on over to this page

Header Value
Strict-Transport-Security max-age=500