URL: https://vakmedianet.2bmore.nl/coreaders/Account/Confirm/D209945D-1527-44B0-88A9-0C50D4C02F64?returnUri=http%3A%2F%2Fwww.vakmed...
Submission: On February 11 via api from US

Summary

This website contacted 1 IPs in 1 countries across 1 domains to perform 10 HTTP transactions. The main IP is 217.21.185.203, located in Brussels, Belgium and belongs to COMBELL-AS, BE. The main domain is vakmedianet.2bmore.nl.
TLS certificate: Issued by Sectigo RSA Organization Validation S... on November 1st 2019. Valid for: 2 years.
This is the only time vakmedianet.2bmore.nl was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
10 217.21.185.203 34762 (COMBELL-AS)
10 1
Apex Domain
Subdomains
Transfer
10 2bmore.nl
vakmedianet.2bmore.nl
130 KB
10 1
Domain Requested by
10 vakmedianet.2bmore.nl vakmedianet.2bmore.nl
10 1

This site contains no links.

Subject Issuer Validity Valid
*.2bmore.nl
Sectigo RSA Organization Validation Secure Server CA
2019-11-01 -
2021-11-13
2 years crt.sh

This page contains 1 frames:

Primary Page: https://vakmedianet.2bmore.nl/coreaders/Account/Confirm/D209945D-1527-44B0-88A9-0C50D4C02F64?returnUri=http%3A%2F%2Fwww.vakmedianet.nl%2F
Frame ID: C3CE631E71F55D1FE5B7F14FF68CDDF7
Requests: 10 HTTP requests in this frame

Screenshot


Detected technologies

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

Overall confidence: 100%
Detected patterns
  • html /<link[^>]+?href="[^"]*bootstrap(?:\.min)?\.css/i
  • script /(?:\/([\d.]+))?(?:\/js)?\/bootstrap(?:\.min)?\.js/i

Overall confidence: 100%
Detected patterns
  • html /<link [^>]+(?:\/([\d.]+)\/)?animate\.(?:min\.)?css/i

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

Overall confidence: 100%
Detected patterns
  • html /<link[^>]* href=[^>]+(?:([\d.]+)\/)?(?:css\/)?font-awesome(?:\.min)?\.css/i

Overall confidence: 100%
Detected patterns
  • script /jquery[.-]([\d.]*\d)[^\/]*\.js/i
  • script /jquery.*\.js(?:\?ver(?:sion)?=([\d.]+))?/i

Page Statistics

10
Requests

100 %
HTTPS

0 %
IPv6

1
Domains

1
Subdomains

1
IPs

1
Countries

130 kB
Transfer

424 kB
Size

2
Cookies

Redirected requests

There were HTTP redirect chains for the following requests:

10 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Primary Request D209945D-1527-44B0-88A9-0C50D4C02F64
vakmedianet.2bmore.nl/coreaders/Account/Confirm/
1 KB
2 KB
Document
General
Full URL
https://vakmedianet.2bmore.nl/coreaders/Account/Confirm/D209945D-1527-44B0-88A9-0C50D4C02F64?returnUri=http%3A%2F%2Fwww.vakmedianet.nl%2F
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, CHACHA20_POLY1305
Server
217.21.185.203 Brussels, Belgium, ASN34762 (COMBELL-AS, BE),
Reverse DNS
217.21.185.203.static.hosted.by.combell.com
Software
Microsoft-IIS/7.5 / ASP.NET
Resource Hash
049a4206a51af08e8165edc98490932edc7730b48e8f37f19cd6e9bfedb0a184
Security Headers
Name Value
Strict-Transport-Security max-age=15768000

Request headers

:method
GET
:authority
vakmedianet.2bmore.nl
:scheme
https
:path
/coreaders/Account/Confirm/D209945D-1527-44B0-88A9-0C50D4C02F64?returnUri=http%3A%2F%2Fwww.vakmedianet.nl%2F
pragma
no-cache
cache-control
no-cache
upgrade-insecure-requests
1
user-agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
sec-fetch-dest
document
accept
text/html,application/xhtml+xml,application/xml;q=0.9,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
accept-encoding
gzip, deflate, br
accept-language
en-US
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Sec-Fetch-Dest
document

Response headers

status
500
cache-control
private
content-type
text/html; charset=utf-8
server
Microsoft-IIS/7.5
set-cookie
ASP.NET_SessionId=mwzhc014atsexaa2jhg51dfe; path=/; HttpOnly; SameSite=Lax ASP.NET_SessionId=mwzhc014atsexaa2jhg51dfe; path=/; secure; HttpOnly SERVERID=web4; path=/
x-aspnetmvc-version
5.2
x-aspnet-version
4.0.30319
x-powered-by
ASP.NET
date
Tue, 11 Feb 2020 15:48:14 GMT
content-length
1305
strict-transport-security
max-age=15768000
font-awesome.min.css
vakmedianet.2bmore.nl/coreaders/css/
27 KB
7 KB
Stylesheet
General
Full URL
https://vakmedianet.2bmore.nl/coreaders/css/font-awesome.min.css
Requested by
Host: vakmedianet.2bmore.nl
URL: https://vakmedianet.2bmore.nl/coreaders/Account/Confirm/D209945D-1527-44B0-88A9-0C50D4C02F64?returnUri=http%3A%2F%2Fwww.vakmedianet.nl%2F
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, CHACHA20_POLY1305
Server
217.21.185.203 Brussels, Belgium, ASN34762 (COMBELL-AS, BE),
Reverse DNS
217.21.185.203.static.hosted.by.combell.com
Software
Microsoft-IIS/7.5 / ASP.NET
Resource Hash
b4d6b22089928a2b989f6f596c10c26ffaa7b71fb20a4125fde64ab1d3b43cd5
Security Headers
Name Value
Strict-Transport-Security max-age=15768000

Request headers

Referer
https://vakmedianet.2bmore.nl/coreaders/Account/Confirm/D209945D-1527-44B0-88A9-0C50D4C02F64?returnUri=http%3A%2F%2Fwww.vakmedianet.nl%2F
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Sec-Fetch-Dest
style

Response headers

date
Tue, 11 Feb 2020 15:48:14 GMT
content-encoding
gzip
etag
"5a971d185e9dd21:0"
last-modified
Wed, 15 Mar 2017 07:31:00 GMT
server
Microsoft-IIS/7.5
x-powered-by
ASP.NET
vary
Accept-Encoding
content-type
text/css
status
200
strict-transport-security
max-age=15768000
accept-ranges
bytes
content-length
7346
bootstrap.min.css
vakmedianet.2bmore.nl/coreaders/Content/
118 KB
27 KB
Stylesheet
General
Full URL
https://vakmedianet.2bmore.nl/coreaders/Content/bootstrap.min.css
Requested by
Host: vakmedianet.2bmore.nl
URL: https://vakmedianet.2bmore.nl/coreaders/Account/Confirm/D209945D-1527-44B0-88A9-0C50D4C02F64?returnUri=http%3A%2F%2Fwww.vakmedianet.nl%2F
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, CHACHA20_POLY1305
Server
217.21.185.203 Brussels, Belgium, ASN34762 (COMBELL-AS, BE),
Reverse DNS
217.21.185.203.static.hosted.by.combell.com
Software
Microsoft-IIS/7.5 / ASP.NET
Resource Hash
880de7665b1aaa840303313deca3352af257d55aed4584d5e17f0fbffe0fde01
Security Headers
Name Value
Strict-Transport-Security max-age=15768000

Request headers

Referer
https://vakmedianet.2bmore.nl/coreaders/Account/Confirm/D209945D-1527-44B0-88A9-0C50D4C02F64?returnUri=http%3A%2F%2Fwww.vakmedianet.nl%2F
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Sec-Fetch-Dest
style

Response headers

date
Tue, 11 Feb 2020 15:48:14 GMT
content-encoding
gzip
etag
"29c5e1175e9dd21:0"
last-modified
Wed, 15 Mar 2017 07:31:00 GMT
server
Microsoft-IIS/7.5
x-powered-by
ASP.NET
vary
Accept-Encoding
content-type
text/css
status
200
strict-transport-security
max-age=15768000
accept-ranges
bytes
content-length
27697
Site.min.css
vakmedianet.2bmore.nl/coreaders/Content/styles/
2 KB
1 KB
Stylesheet
General
Full URL
https://vakmedianet.2bmore.nl/coreaders/Content/styles/Site.min.css
Requested by
Host: vakmedianet.2bmore.nl
URL: https://vakmedianet.2bmore.nl/coreaders/Account/Confirm/D209945D-1527-44B0-88A9-0C50D4C02F64?returnUri=http%3A%2F%2Fwww.vakmedianet.nl%2F
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, CHACHA20_POLY1305
Server
217.21.185.203 Brussels, Belgium, ASN34762 (COMBELL-AS, BE),
Reverse DNS
217.21.185.203.static.hosted.by.combell.com
Software
Microsoft-IIS/7.5 / ASP.NET
Resource Hash
7ae8505ac4c61136f9c4d4264618ecb5dc21cb89576e0b13239d900f547f71c8
Security Headers
Name Value
Strict-Transport-Security max-age=15768000

Request headers

Referer
https://vakmedianet.2bmore.nl/coreaders/Account/Confirm/D209945D-1527-44B0-88A9-0C50D4C02F64?returnUri=http%3A%2F%2Fwww.vakmedianet.nl%2F
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Sec-Fetch-Dest
style

Response headers

date
Tue, 11 Feb 2020 15:48:14 GMT
content-encoding
gzip
etag
"944b55e770d0d51:0"
last-modified
Tue, 21 Jan 2020 15:39:01 GMT
server
Microsoft-IIS/7.5
x-powered-by
ASP.NET
vary
Accept-Encoding
content-type
text/css
status
200
strict-transport-security
max-age=15768000
accept-ranges
bytes
content-length
932
animate.min.css
vakmedianet.2bmore.nl/coreaders/Content/
54 KB
6 KB
Stylesheet
General
Full URL
https://vakmedianet.2bmore.nl/coreaders/Content/animate.min.css
Requested by
Host: vakmedianet.2bmore.nl
URL: https://vakmedianet.2bmore.nl/coreaders/Account/Confirm/D209945D-1527-44B0-88A9-0C50D4C02F64?returnUri=http%3A%2F%2Fwww.vakmedianet.nl%2F
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, CHACHA20_POLY1305
Server
217.21.185.203 Brussels, Belgium, ASN34762 (COMBELL-AS, BE),
Reverse DNS
217.21.185.203.static.hosted.by.combell.com
Software
Microsoft-IIS/7.5 / ASP.NET
Resource Hash
ebe7a06d126935a51e922a162761342dcb20c937d42870b92ac3f05da1f28a1b
Security Headers
Name Value
Strict-Transport-Security max-age=15768000

Request headers

Referer
https://vakmedianet.2bmore.nl/coreaders/Account/Confirm/D209945D-1527-44B0-88A9-0C50D4C02F64?returnUri=http%3A%2F%2Fwww.vakmedianet.nl%2F
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Sec-Fetch-Dest
style

Response headers

date
Tue, 11 Feb 2020 15:48:14 GMT
content-encoding
gzip
etag
"7e67de175e9dd21:0"
last-modified
Wed, 15 Mar 2017 07:31:00 GMT
server
Microsoft-IIS/7.5
x-powered-by
ASP.NET
vary
Accept-Encoding
content-type
text/css
status
200
strict-transport-security
max-age=15768000
accept-ranges
bytes
content-length
6172
jquery-1.12.4.min.js
vakmedianet.2bmore.nl/coreaders/scripts/
95 KB
43 KB
Script
General
Full URL
https://vakmedianet.2bmore.nl/coreaders/scripts/jquery-1.12.4.min.js?v=636035064240000000
Requested by
Host: vakmedianet.2bmore.nl
URL: https://vakmedianet.2bmore.nl/coreaders/Account/Confirm/D209945D-1527-44B0-88A9-0C50D4C02F64?returnUri=http%3A%2F%2Fwww.vakmedianet.nl%2F
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, CHACHA20_POLY1305
Server
217.21.185.203 Brussels, Belgium, ASN34762 (COMBELL-AS, BE),
Reverse DNS
217.21.185.203.static.hosted.by.combell.com
Software
Microsoft-IIS/7.5 / ASP.NET
Resource Hash
27d92130c0321dad5a03760fd5ac98a3d04ed4c94d88418fe6d50da1f7fc5cbe
Security Headers
Name Value
Strict-Transport-Security max-age=15768000

Request headers

Referer
https://vakmedianet.2bmore.nl/coreaders/Account/Confirm/D209945D-1527-44B0-88A9-0C50D4C02F64?returnUri=http%3A%2F%2Fwww.vakmedianet.nl%2F
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Sec-Fetch-Dest
script

Response headers

date
Tue, 11 Feb 2020 15:48:14 GMT
content-encoding
gzip
etag
"f92b8185e9dd21:0"
last-modified
Wed, 15 Mar 2017 07:31:00 GMT
server
Microsoft-IIS/7.5
x-powered-by
ASP.NET
vary
Accept-Encoding
content-type
application/x-javascript
status
200
strict-transport-security
max-age=15768000
accept-ranges
bytes
content-length
43312
spine.js
vakmedianet.2bmore.nl/coreaders/scripts/libs/spine/
70 KB
21 KB
Script
General
Full URL
https://vakmedianet.2bmore.nl/coreaders/scripts/libs/spine/spine.js?v=636035064240000000
Requested by
Host: vakmedianet.2bmore.nl
URL: https://vakmedianet.2bmore.nl/coreaders/Account/Confirm/D209945D-1527-44B0-88A9-0C50D4C02F64?returnUri=http%3A%2F%2Fwww.vakmedianet.nl%2F
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, CHACHA20_POLY1305
Server
217.21.185.203 Brussels, Belgium, ASN34762 (COMBELL-AS, BE),
Reverse DNS
217.21.185.203.static.hosted.by.combell.com
Software
Microsoft-IIS/7.5 / ASP.NET
Resource Hash
a23ddd1b6ac319c649b81381d5535b70019a56bc63311a2e7b4277b60e5439e4
Security Headers
Name Value
Strict-Transport-Security max-age=15768000

Request headers

Referer
https://vakmedianet.2bmore.nl/coreaders/Account/Confirm/D209945D-1527-44B0-88A9-0C50D4C02F64?returnUri=http%3A%2F%2Fwww.vakmedianet.nl%2F
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Sec-Fetch-Dest
script

Response headers

date
Tue, 11 Feb 2020 15:48:14 GMT
content-encoding
gzip
etag
"8c7f8a8afd1d51:0"
last-modified
Wed, 22 Jan 2020 10:34:35 GMT
server
Microsoft-IIS/7.5
x-powered-by
ASP.NET
vary
Accept-Encoding
content-type
application/x-javascript
status
200
strict-transport-security
max-age=15768000
accept-ranges
bytes
content-length
21571
bootstrap.min.js
vakmedianet.2bmore.nl/coreaders/scripts/
36 KB
13 KB
Script
General
Full URL
https://vakmedianet.2bmore.nl/coreaders/scripts/bootstrap.min.js?v=636035064240000000
Requested by
Host: vakmedianet.2bmore.nl
URL: https://vakmedianet.2bmore.nl/coreaders/Account/Confirm/D209945D-1527-44B0-88A9-0C50D4C02F64?returnUri=http%3A%2F%2Fwww.vakmedianet.nl%2F
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, CHACHA20_POLY1305
Server
217.21.185.203 Brussels, Belgium, ASN34762 (COMBELL-AS, BE),
Reverse DNS
217.21.185.203.static.hosted.by.combell.com
Software
Microsoft-IIS/7.5 / ASP.NET
Resource Hash
5a4a5359110a773bd154da94c48ffd6a6233a29dfd5a9314555f5ae6c3e47459
Security Headers
Name Value
Strict-Transport-Security max-age=15768000

Request headers

Referer
https://vakmedianet.2bmore.nl/coreaders/Account/Confirm/D209945D-1527-44B0-88A9-0C50D4C02F64?returnUri=http%3A%2F%2Fwww.vakmedianet.nl%2F
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Sec-Fetch-Dest
script

Response headers

date
Tue, 11 Feb 2020 15:48:14 GMT
content-encoding
gzip
etag
"511ef6175e9dd21:0"
last-modified
Wed, 15 Mar 2017 07:31:00 GMT
server
Microsoft-IIS/7.5
x-powered-by
ASP.NET
vary
Accept-Encoding
content-type
application/x-javascript
status
200
strict-transport-security
max-age=15768000
accept-ranges
bytes
content-length
12962
manage.min.js
vakmedianet.2bmore.nl/coreaders/Content/
4 KB
2 KB
Script
General
Full URL
https://vakmedianet.2bmore.nl/coreaders/Content/manage.min.js?v=636035064240000000
Requested by
Host: vakmedianet.2bmore.nl
URL: https://vakmedianet.2bmore.nl/coreaders/Account/Confirm/D209945D-1527-44B0-88A9-0C50D4C02F64?returnUri=http%3A%2F%2Fwww.vakmedianet.nl%2F
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, CHACHA20_POLY1305
Server
217.21.185.203 Brussels, Belgium, ASN34762 (COMBELL-AS, BE),
Reverse DNS
217.21.185.203.static.hosted.by.combell.com
Software
Microsoft-IIS/7.5 / ASP.NET
Resource Hash
0b60346d9930c800a8543cd3d3c7c198a42e89083bffaf212a387814d896fc87
Security Headers
Name Value
Strict-Transport-Security max-age=15768000

Request headers

Referer
https://vakmedianet.2bmore.nl/coreaders/Account/Confirm/D209945D-1527-44B0-88A9-0C50D4C02F64?returnUri=http%3A%2F%2Fwww.vakmedianet.nl%2F
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Sec-Fetch-Dest
script

Response headers

date
Tue, 11 Feb 2020 15:48:14 GMT
content-encoding
gzip
etag
"acfd54e770d0d51:0"
last-modified
Tue, 21 Jan 2020 15:39:01 GMT
server
Microsoft-IIS/7.5
x-powered-by
ASP.NET
vary
Accept-Encoding
content-type
application/x-javascript
status
200
strict-transport-security
max-age=15768000
accept-ranges
bytes
content-length
1778
iframeResizer.contentWindow.min.js
vakmedianet.2bmore.nl/coreaders/Content/libs/
16 KB
7 KB
Script
General
Full URL
https://vakmedianet.2bmore.nl/coreaders/Content/libs/iframeResizer.contentWindow.min.js?v=636035064240000000
Requested by
Host: vakmedianet.2bmore.nl
URL: https://vakmedianet.2bmore.nl/coreaders/Account/Confirm/D209945D-1527-44B0-88A9-0C50D4C02F64?returnUri=http%3A%2F%2Fwww.vakmedianet.nl%2F
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, CHACHA20_POLY1305
Server
217.21.185.203 Brussels, Belgium, ASN34762 (COMBELL-AS, BE),
Reverse DNS
217.21.185.203.static.hosted.by.combell.com
Software
Microsoft-IIS/7.5 / ASP.NET
Resource Hash
113ab0b954f73dd0b5e6e64ea7b7dd832baa0e594be1f5c12d0db5f146b14500
Security Headers
Name Value
Strict-Transport-Security max-age=15768000

Request headers

Referer
https://vakmedianet.2bmore.nl/coreaders/Account/Confirm/D209945D-1527-44B0-88A9-0C50D4C02F64?returnUri=http%3A%2F%2Fwww.vakmedianet.nl%2F
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Sec-Fetch-Dest
script

Response headers

date
Tue, 11 Feb 2020 15:48:14 GMT
content-encoding
gzip
etag
"ffae8175e9dd21:0"
last-modified
Wed, 15 Mar 2017 07:31:00 GMT
server
Microsoft-IIS/7.5
x-powered-by
ASP.NET
vary
Accept-Encoding
content-type
application/x-javascript
status
200
strict-transport-security
max-age=15768000
accept-ranges
bytes
content-length
6584

Verdicts & Comments Add Verdict or Comment

52 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| onformdata object| onpointerrawupdate function| $ function| jQuery object| _this function| AjaxOptions object| $body function| _isHtmlResponse function| _handleError function| _initLoader function| _playLoader function| _hideLoader function| _showMessage function| _hideMessage function| checkRequired function| checkDateFields function| error2 function| log2 function| log2Array function| log3 object| storageHelper function| getSession function| getLocal function| setLocal function| setSession function| removeTextSelection function| whenPlural function| getInputFields function| getInputFieldsNested function| getInputFieldsNestedCheckboxArray function| setInputFieldsNested function| getDynamicInputFields function| numberToThousands function| convertToJSDateFormat function| getAttributeFromElements function| insideEoPDF function| enablePrintStyles object| jQuery112409749989089694733 function| getRow function| getReaderId function| getInvitationId function| confirmAdd function| removeAddRow function| search function| getCurrentDate function| fillRow function| doPostJson function| addRow function| checkAddability object| $manageContainer object| _encryptedAccount string| _rootDir

2 Cookies

Domain/Path Name / Value
vakmedianet.2bmore.nl/ Name: SERVERID
Value: web4
vakmedianet.2bmore.nl/ Name: ASP.NET_SessionId
Value: mwzhc014atsexaa2jhg51dfe

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=15768000