urlscan.io logo urlscan.io
SecurityTrails logo

dev1.availsports1.com Open in urlscan Pro
132.148.199.24  Malicious Activity! Public Scan

Go To Rescan Add Verdict Report
Submitted URL: http://iujgvvfpg.com/vUBSDbxLwHixk22cIt9eJ3HUPcIaOGtxkosyOjBNSv2kCVmYQvIdSBueUcF382WYFrSSjw06kdDHAolw0kS3IYnUdI/
Effective URL: https://dev1.availsports1.com/wp-admin/js/-/3127027155093331270/31270271550933312702715509333127027155093331270271550933/dhl-t...
Submission Tags: 6971338
Submission: On February 16 via api from NL
 Behaviour Indicators
Similar DOM Content API
Verdicts

Summary

This website contacted 2 IPs in 1 countries across 2 domains to perform 8 HTTP transactions. The main IP is 132.148.199.24, located in Ashburn, United States and belongs to AS-26496-GO-DADDY-COM-LLC, US. The main domain is dev1.availsports1.com.
TLS certificate: Issued by Go Daddy Secure Certificate Authority... on March 27th 2020. Valid for: 2 years.
This is the only time dev1.availsports1.com was scanned on urlscan.io!

urlscan.io Verdict: Potentially Malicious

Targeting these brands: DHL (Transportation)

Domain & IP information

IP Address AS Autonomous System
1 1 2001:4860:480... 15169 (GOOGLE)
2 10 132.148.199.24 26496 (AS-26496-...)
8 2
Apex Domain
Subdomains		 Transfer
10 availsports1.com
dev1.availsports1.com
200 KB
1 iujgvvfpg.com
iujgvvfpg.com
329 B
8 2
Domain Requested by
10 dev1.availsports1.com 2 redirects dev1.availsports1.com
1 iujgvvfpg.com 1 redirects
8 2

This site contains no links.

Subject Issuer Validity Valid
dev1.availsports1.com
Go Daddy Secure Certificate Authority - G2		 2020-03-27 -
2022-03-27		 2 years crt.sh

This page contains 1 frames:

Primary Page: https://dev1.availsports1.com/wp-admin/js/-/3127027155093331270/31270271550933312702715509333127027155093331270271550933/dhl-tracking/F004f19441/00951124a.php?web=succes&local=_&id=41742899
Frame ID: 966BE8CF4C21EC16A7423A950097891E
Requests: 9 HTTP requests in this frame

Screenshot
Live screenshot
Full Image

Page URL History Show full URLs

  1. http://iujgvvfpg.com/vUBSDbxLwHixk22cIt9eJ3HUPcIaOGtxkosyOjBNSv2kCVmYQvIdSBueUcF382WYFrSSjw06kdDH... HTTP 302
    https://dev1.availsports1.com/wp-admin/js/-/3127027155093331270/312702715509333127027155093331270271550933... HTTP 302
    https://dev1.availsports1.com/wp-admin/js/-/3127027155093331270/312702715509333127027155093331270271550933... HTTP 302
    https://dev1.availsports1.com/wp-admin/js/-/3127027155093331270/312702715509333127027155093331270271550933... Page URL

Detected technologies

Overall confidence: 100%
Detected patterns
  • headers server /(?:Apache(?:$|\/([\d.]+)|[^/-])|(?:^|\b)HTTPD)/i

Page Statistics

8
Requests

100 %
HTTPS

50 %
IPv6

2
Domains

2
Subdomains

2
IPs

1
Countries

217 kB
Transfer

418 kB
Size

1
Cookies

Page URL History

This captures the URL locations of the websites, including HTTP redirects and client-side redirects via JavaScript or Meta fields.

  1. http://iujgvvfpg.com/vUBSDbxLwHixk22cIt9eJ3HUPcIaOGtxkosyOjBNSv2kCVmYQvIdSBueUcF382WYFrSSjw06kdDHAolw0kS3IYnUdI/ HTTP 302
    https://dev1.availsports1.com/wp-admin/js/-/3127027155093331270/31270271550933312702715509333127027155093331270271550933/dhl-tracking/ HTTP 302
    https://dev1.availsports1.com/wp-admin/js/-/3127027155093331270/31270271550933312702715509333127027155093331270271550933/dhl-tracking/F004f19441/index.php?valid=true&id=39528750 HTTP 302
    https://dev1.availsports1.com/wp-admin/js/-/3127027155093331270/31270271550933312702715509333127027155093331270271550933/dhl-tracking/F004f19441/00951124a.php?web=succes&local=_&id=41742899 Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

8 HTTP transactions

Resource
Path		 Size
x-fer		 Type
MIME-Type
Primary Request 00951124a.php
dev1.availsports1.com/wp-admin/js/-/3127027155093331270/31270271550933312702715509333127027155093331270271550933/dhl-tracking/F004f19441/
Redirect Chain
  • http://iujgvvfpg.com/vUBSDbxLwHixk22cIt9eJ3HUPcIaOGtxkosyOjBNSv2kCVmYQvIdSBueUcF382WYFrSSjw06kdDHAolw0kS3IYnUdI/
  • https://dev1.availsports1.com/wp-admin/js/-/3127027155093331270/31270271550933312702715509333127027155093331270271550933/dhl-tracking/
  • https://dev1.availsports1.com/wp-admin/js/-/3127027155093331270/31270271550933312702715509333127027155093331270271550933/dhl-tracking/F004f19441/index.php?valid=true&id=39528750
  • https://dev1.availsports1.com/wp-admin/js/-/3127027155093331270/31270271550933312702715509333127027155093331270271550933/dhl-tracking/F004f19441/00951124a.php?web=succes&local=_&id=41742899
3 KB
1 KB 		Document
General
Check archive.org
Download Go to
Full URL
https://dev1.availsports1.com/wp-admin/js/-/3127027155093331270/31270271550933312702715509333127027155093331270271550933/dhl-tracking/F004f19441/00951124a.php?web=succes&local=_&id=41742899
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
132.148.199.24 Ashburn, United States, ASN26496 (AS-26496-GO-DADDY-COM-LLC, US),
Reverse DNS
ip-132-148-199-24.ip.secureserver.net
Software
Apache / PHP/7.4.11
Resource Hash
5c812731198da11e297dab491e659dc9a84ef4ca9c0ffbd125fdec4a37b14147
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

:method
GET
:authority
dev1.availsports1.com
:scheme
https
:path
/wp-admin/js/-/3127027155093331270/31270271550933312702715509333127027155093331270271550933/dhl-tracking/F004f19441/00951124a.php?web=succes&local=_&id=41742899
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/83.0.4103.61 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
cookie
PHPSESSID=dec659c429c52846de18a5e67066caf8
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

date
Tue, 16 Feb 2021 14:59:25 GMT
server
Apache
x-powered-by
PHP/7.4.11
expires
Thu, 19 Nov 1981 08:52:00 GMT
cache-control
no-store, no-cache, must-revalidate
pragma
no-cache
vary
Accept-Encoding,User-Agent
content-encoding
gzip
x-ua-compatible
IE=edge
x-content-type-options
nosniff
x-robots-tag
noindex, nofollow
content-length
1228
content-type
text/html; charset-UTF-8;charset=UTF-8

Redirect headers

date
Tue, 16 Feb 2021 14:59:25 GMT
server
Apache
x-powered-by
PHP/7.4.11
expires
Thu, 19 Nov 1981 08:52:00 GMT
cache-control
no-store, no-cache, must-revalidate
pragma
no-cache
location
./00951124a.php?web=succes&local=_&id=41742899
vary
Accept-Encoding,User-Agent
content-encoding
gzip
x-ua-compatible
IE=edge
x-content-type-options
nosniff
x-robots-tag
noindex, nofollow
content-length
311
content-type
text/html; charset-UTF-8;charset=UTF-8
style.css
dev1.availsports1.com/wp-admin/js/-/3127027155093331270/31270271550933312702715509333127027155093331270271550933/dhl-tracking/F004f19441/layout/css/ 		209 KB
72 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://dev1.availsports1.com/wp-admin/js/-/3127027155093331270/31270271550933312702715509333127027155093331270271550933/dhl-tracking/F004f19441/layout/css/style.css
Requested by
Host: dev1.availsports1.com
URL: https://dev1.availsports1.com/wp-admin/js/-/3127027155093331270/31270271550933312702715509333127027155093331270271550933/dhl-tracking/F004f19441/00951124a.php?web=succes&local=_&id=41742899
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
132.148.199.24 Ashburn, United States, ASN26496 (AS-26496-GO-DADDY-COM-LLC, US),
Reverse DNS
ip-132-148-199-24.ip.secureserver.net
Software
Apache /
Resource Hash
993198ae94d90e3ea850f7d6b70443b64cf5f817098c778821edf924c297eea3
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

Referer
https://dev1.availsports1.com/wp-admin/js/-/3127027155093331270/31270271550933312702715509333127027155093331270271550933/dhl-tracking/F004f19441/00951124a.php?web=succes&local=_&id=41742899
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

date
Tue, 16 Feb 2021 14:59:25 GMT
content-encoding
gzip
x-content-type-options
nosniff
last-modified
Wed, 01 Jan 2020 00:06:22 GMT
server
Apache
vary
Accept-Encoding,User-Agent
content-type
text/css; charset=utf-8
cache-control
max-age=31536000
accept-ranges
bytes
x-robots-tag
noindex, nofollow
expires
Wed, 16 Feb 2022 14:59:25 GMT
style.js
dev1.availsports1.com/wp-admin/js/-/3127027155093331270/31270271550933312702715509333127027155093331270271550933/dhl-tracking/F004f19441/layout/js/ 		96 KB
34 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://dev1.availsports1.com/wp-admin/js/-/3127027155093331270/31270271550933312702715509333127027155093331270271550933/dhl-tracking/F004f19441/layout/js/style.js
Requested by
Host: dev1.availsports1.com
URL: https://dev1.availsports1.com/wp-admin/js/-/3127027155093331270/31270271550933312702715509333127027155093331270271550933/dhl-tracking/F004f19441/00951124a.php?web=succes&local=_&id=41742899
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
132.148.199.24 Ashburn, United States, ASN26496 (AS-26496-GO-DADDY-COM-LLC, US),
Reverse DNS
ip-132-148-199-24.ip.secureserver.net
Software
Apache /
Resource Hash
b56dd0f5e443608e46b42696f86fe376190c1688f2586cf5345b0b43f2973a5c
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

Referer
https://dev1.availsports1.com/wp-admin/js/-/3127027155093331270/31270271550933312702715509333127027155093331270271550933/dhl-tracking/F004f19441/00951124a.php?web=succes&local=_&id=41742899
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

date
Tue, 16 Feb 2021 14:59:25 GMT
content-encoding
gzip
x-content-type-options
nosniff
last-modified
Mon, 12 Nov 2018 07:23:54 GMT
server
Apache
vary
Accept-Encoding,User-Agent
content-type
application/javascript; charset=utf-8
cache-control
max-age=31536000
accept-ranges
bytes
x-robots-tag
noindex, nofollow
content-length
34470
expires
Wed, 16 Feb 2022 14:59:25 GMT
lg.svg
dev1.availsports1.com/wp-admin/js/-/3127027155093331270/31270271550933312702715509333127027155093331270271550933/dhl-tracking/F004f19441/layout/img/ 		2 KB
858 B 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://dev1.availsports1.com/wp-admin/js/-/3127027155093331270/31270271550933312702715509333127027155093331270271550933/dhl-tracking/F004f19441/layout/img/lg.svg
Requested by
Host: dev1.availsports1.com
URL: https://dev1.availsports1.com/wp-admin/js/-/3127027155093331270/31270271550933312702715509333127027155093331270271550933/dhl-tracking/F004f19441/00951124a.php?web=succes&local=_&id=41742899
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
132.148.199.24 Ashburn, United States, ASN26496 (AS-26496-GO-DADDY-COM-LLC, US),
Reverse DNS
ip-132-148-199-24.ip.secureserver.net
Software
Apache /
Resource Hash
aeed178a287002e32c4a7767dc24b3c732a812cdd42017835055e42db4d2eae1
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

Referer
https://dev1.availsports1.com/wp-admin/js/-/3127027155093331270/31270271550933312702715509333127027155093331270271550933/dhl-tracking/F004f19441/00951124a.php?web=succes&local=_&id=41742899
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

date
Tue, 16 Feb 2021 14:59:26 GMT
content-encoding
gzip
x-content-type-options
nosniff
last-modified
Thu, 15 Aug 2019 12:02:52 GMT
server
Apache
vary
Accept-Encoding,User-Agent
content-type
image/svg+xml
cache-control
max-age=2592000
accept-ranges
bytes
x-robots-tag
noindex, nofollow
content-length
729
expires
Thu, 18 Mar 2021 14:59:26 GMT
pak.png
dev1.availsports1.com/wp-admin/js/-/3127027155093331270/31270271550933312702715509333127027155093331270271550933/dhl-tracking/F004f19441/layout/img/ 		878 B
943 B 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://dev1.availsports1.com/wp-admin/js/-/3127027155093331270/31270271550933312702715509333127027155093331270271550933/dhl-tracking/F004f19441/layout/img/pak.png
Requested by
Host: dev1.availsports1.com
URL: https://dev1.availsports1.com/wp-admin/js/-/3127027155093331270/31270271550933312702715509333127027155093331270271550933/dhl-tracking/F004f19441/00951124a.php?web=succes&local=_&id=41742899
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
132.148.199.24 Ashburn, United States, ASN26496 (AS-26496-GO-DADDY-COM-LLC, US),
Reverse DNS
ip-132-148-199-24.ip.secureserver.net
Software
Apache /
Resource Hash
4057023fcfa4360934b1a1409a74a40ffbc2bb7dacd2bcc6f69d66a9673f09e8
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

Referer
https://dev1.availsports1.com/wp-admin/js/-/3127027155093331270/31270271550933312702715509333127027155093331270271550933/dhl-tracking/F004f19441/00951124a.php?web=succes&local=_&id=41742899
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

date
Tue, 16 Feb 2021 14:59:26 GMT
x-content-type-options
nosniff
last-modified
Thu, 15 Aug 2019 13:02:56 GMT
server
Apache
content-type
image/png
cache-control
max-age=2592000
accept-ranges
bytes
x-robots-tag
noindex, nofollow
content-length
878
expires
Thu, 18 Mar 2021 14:59:26 GMT
ta3.svg
dev1.availsports1.com/wp-admin/js/-/3127027155093331270/31270271550933312702715509333127027155093331270271550933/dhl-tracking/F004f19441/layout/img/ 		2 KB
1 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://dev1.availsports1.com/wp-admin/js/-/3127027155093331270/31270271550933312702715509333127027155093331270271550933/dhl-tracking/F004f19441/layout/img/ta3.svg
Requested by
Host: dev1.availsports1.com
URL: https://dev1.availsports1.com/wp-admin/js/-/3127027155093331270/31270271550933312702715509333127027155093331270271550933/dhl-tracking/F004f19441/00951124a.php?web=succes&local=_&id=41742899
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
132.148.199.24 Ashburn, United States, ASN26496 (AS-26496-GO-DADDY-COM-LLC, US),
Reverse DNS
ip-132-148-199-24.ip.secureserver.net
Software
Apache /
Resource Hash
42794908246997d603888b2c2098941e0c3f9b7b0f719134365789189c7edac0
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

Referer
https://dev1.availsports1.com/wp-admin/js/-/3127027155093331270/31270271550933312702715509333127027155093331270271550933/dhl-tracking/F004f19441/00951124a.php?web=succes&local=_&id=41742899
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

date
Tue, 16 Feb 2021 14:59:26 GMT
content-encoding
gzip
x-content-type-options
nosniff
last-modified
Fri, 16 Aug 2019 09:27:28 GMT
server
Apache
vary
Accept-Encoding,User-Agent
content-type
image/svg+xml
cache-control
max-age=2592000
accept-ranges
bytes
x-robots-tag
noindex, nofollow
content-length
1048
expires
Thu, 18 Mar 2021 14:59:26 GMT
pub.jpg
dev1.availsports1.com/wp-admin/js/-/3127027155093331270/31270271550933312702715509333127027155093331270271550933/dhl-tracking/F004f19441/layout/img/ 		80 KB
81 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://dev1.availsports1.com/wp-admin/js/-/3127027155093331270/31270271550933312702715509333127027155093331270271550933/dhl-tracking/F004f19441/layout/img/pub.jpg
Requested by
Host: dev1.availsports1.com
URL: https://dev1.availsports1.com/wp-admin/js/-/3127027155093331270/31270271550933312702715509333127027155093331270271550933/dhl-tracking/F004f19441/00951124a.php?web=succes&local=_&id=41742899
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
132.148.199.24 Ashburn, United States, ASN26496 (AS-26496-GO-DADDY-COM-LLC, US),
Reverse DNS
ip-132-148-199-24.ip.secureserver.net
Software
Apache /
Resource Hash
fd6d79b881550d2aced201e506cbd7dfacafc19c16db81a655ad06f2835819c5
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

Referer
https://dev1.availsports1.com/wp-admin/js/-/3127027155093331270/31270271550933312702715509333127027155093331270271550933/dhl-tracking/F004f19441/00951124a.php?web=succes&local=_&id=41742899
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

date
Tue, 16 Feb 2021 14:59:26 GMT
x-content-type-options
nosniff
last-modified
Thu, 15 Aug 2019 12:59:12 GMT
server
Apache
content-type
image/jpeg
cache-control
max-age=2592000
accept-ranges
bytes
x-robots-tag
noindex, nofollow
content-length
82133
expires
Thu, 18 Mar 2021 14:59:26 GMT
pubr.gif
dev1.availsports1.com/wp-admin/js/-/3127027155093331270/31270271550933312702715509333127027155093331270271550933/dhl-tracking/F004f19441/layout/img/ 		8 KB
8 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://dev1.availsports1.com/wp-admin/js/-/3127027155093331270/31270271550933312702715509333127027155093331270271550933/dhl-tracking/F004f19441/layout/img/pubr.gif
Requested by
Host: dev1.availsports1.com
URL: https://dev1.availsports1.com/wp-admin/js/-/3127027155093331270/31270271550933312702715509333127027155093331270271550933/dhl-tracking/F004f19441/00951124a.php?web=succes&local=_&id=41742899
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
132.148.199.24 Ashburn, United States, ASN26496 (AS-26496-GO-DADDY-COM-LLC, US),
Reverse DNS
ip-132-148-199-24.ip.secureserver.net
Software
Apache /
Resource Hash
38d38e7a9e31f364cf1238ed6efcad478b3d71b56a8070c7aeda136e7a09dfa6
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

Referer
https://dev1.availsports1.com/wp-admin/js/-/3127027155093331270/31270271550933312702715509333127027155093331270271550933/dhl-tracking/F004f19441/00951124a.php?web=succes&local=_&id=41742899
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

date
Tue, 16 Feb 2021 14:59:26 GMT
x-content-type-options
nosniff
last-modified
Thu, 15 Aug 2019 16:49:28 GMT
server
Apache
content-type
image/gif
cache-control
max-age=2592000
accept-ranges
bytes
x-robots-tag
noindex, nofollow
content-length
8344
expires
Thu, 18 Mar 2021 14:59:26 GMT
truncated
/ 		17 KB
17 KB 		Font
General
Check archive.org
Download Go to
Full URL
data:truncated
Protocol
DATA
Server
-, , ASN (),
Reverse DNS
Software
/
Resource Hash
79b6bfed5b8e93eafbc4b6cc1aeb1a66256446899c27bfb099fc336fb59d3171

Request headers

Origin
https://dev1.availsports1.com
Referer
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

Content-Type
application/font-woff2;charset=utf-8

Verdicts & Comments Add Verdict or Comment

Potentially malicious activity detected
Disclaimer: These verdicts should be used to detect potentially malicious websites, not as a final verdict!

urlscan

Phishing against: DHL (Transportation)

13 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| ontransitionrun object| ontransitionstart object| ontransitioncancel object| cookieStore function| showDirectoryPicker function| showOpenFilePicker function| showSaveFilePicker object| trustedTypes boolean| crossOriginIsolated function| preventBack object| Modernizr function| $ function| jQuery

1 Cookies

Domain/Path Name / Value
dev1.availsports1.com/ Name: PHPSESSID
Value: dec659c429c52846de18a5e67066caf8

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
X-Content-Type-Options nosniff