who-calledus.co.uk Open in urlscan Pro
198.54.116.141  Malicious Activity! Public Scan

Submitted URL: https://neoingenieria.com/sendy/l/9CBQBeagjsiJARxaHGIMjw/KLmDmMdxc5bgy892J5gbGmnw/ATFd4V1tLANtwYgsztotyg
Effective URL: https://who-calledus.co.uk/student/Login.php?accessToken=BNQgUENHikSdQmEd&Proceed=Receiver
Submission: On March 27 via manual from GB — Scanned from GB

Summary

This website contacted 3 IPs in 1 countries across 3 domains to perform 15 HTTP transactions. The main IP is 198.54.116.141, located in United States and belongs to NAMECHEAP-NET, US. The main domain is who-calledus.co.uk.
TLS certificate: Issued by Sectigo RSA Domain Validation Secure ... on September 3rd 2023. Valid for: a year.
This is the only time who-calledus.co.uk was scanned on urlscan.io!

urlscan.io Verdict: Potentially Malicious

Targeting these brands: UK Government (Government)

Domain & IP information

IP Address AS Autonomous System
1 1 192.185.24.167 19871 (NETWORK-S...)
2 2620:0:890::100 54113 (FASTLY)
1 10 198.54.116.141 22612 (NAMECHEAP...)
15 3
Apex Domain
Subdomains
Transfer
10 who-calledus.co.uk
who-calledus.co.uk
23 KB
2 web.app
student-finance-london.web.app
710 B
1 neoingenieria.com
neoingenieria.com
123 B
15 3
Domain Requested by
10 who-calledus.co.uk 1 redirects who-calledus.co.uk
2 student-finance-london.web.app
1 neoingenieria.com 1 redirects
15 3

This site contains no links.

Subject Issuer Validity Valid
web.app
GTS CA 1D4
2024-03-21 -
2024-06-19
3 months crt.sh
who-calledus.co.uk
Sectigo RSA Domain Validation Secure Server CA
2023-09-03 -
2024-09-03
a year crt.sh

This page contains 1 frames:

Primary Page: https://who-calledus.co.uk/student/Login.php?accessToken=BNQgUENHikSdQmEd&Proceed=Receiver
Frame ID: C9D035D4CC5B65B3EFA2B1AD8F873345
Requests: 15 HTTP requests in this frame

Screenshot

Page Title

Login to Student Finance England

Page URL History Show full URLs

  1. https://neoingenieria.com/sendy/l/9CBQBeagjsiJARxaHGIMjw/KLmDmMdxc5bgy892J5gbGmnw/ATFd4V1tLANtwYgsztotyg HTTP 302
    https://student-finance-london.web.app/ Page URL
  2. https://who-calledus.co.uk/student HTTP 301
    https://who-calledus.co.uk/student/ Page URL
  3. https://who-calledus.co.uk/student/Login.php?accessToken=BNQgUENHikSdQmEd&Proceed=Receiver Page URL

Detected technologies

Overall confidence: 100%
Detected patterns
  • \.php(?:$|\?)

Overall confidence: 100%
Detected patterns
  • <link[^>]* href=[^>]*?govuk-frontend(?:[^>]*?([0-9a-fA-F]{7,40}|[\d]+(?:.[\d]+(?:.[\d]+)?)?)|)[^>]*?(?:\.min)?\.css
  • <body[^>]+govuk-template__body
  • <a[^>]+govuk-link

Page Statistics

15
Requests

73 %
HTTPS

33 %
IPv6

3
Domains

3
Subdomains

3
IPs

1
Countries

23 kB
Transfer

120 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. https://neoingenieria.com/sendy/l/9CBQBeagjsiJARxaHGIMjw/KLmDmMdxc5bgy892J5gbGmnw/ATFd4V1tLANtwYgsztotyg HTTP 302
    https://student-finance-london.web.app/ Page URL
  2. https://who-calledus.co.uk/student HTTP 301
    https://who-calledus.co.uk/student/ Page URL
  3. https://who-calledus.co.uk/student/Login.php?accessToken=BNQgUENHikSdQmEd&Proceed=Receiver Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

Request Chain 0
  • https://neoingenieria.com/sendy/l/9CBQBeagjsiJARxaHGIMjw/KLmDmMdxc5bgy892J5gbGmnw/ATFd4V1tLANtwYgsztotyg HTTP 302
  • https://student-finance-london.web.app/
Request Chain 1
  • https://who-calledus.co.uk/student HTTP 301
  • https://who-calledus.co.uk/student/

15 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
/
student-finance-london.web.app/
Redirect Chain
  • https://neoingenieria.com/sendy/l/9CBQBeagjsiJARxaHGIMjw/KLmDmMdxc5bgy892J5gbGmnw/ATFd4V1tLANtwYgsztotyg
  • https://student-finance-london.web.app/
337 B
509 B
Document
General
Full URL
https://student-finance-london.web.app/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2620:0:890::100 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
/
Resource Hash
ef7cd655cdaef4d7f71fe0516edf30f729d049fde4e6dfcc47d48a72d91932cb
Security Headers
Name Value
Strict-Transport-Security max-age=31556926; includeSubDomains; preload

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
accept-language
en-GB,en;q=0.9
sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
sec-ch-ua-mobile
?0
sec-ch-ua-platform
"Win32"

Response headers

accept-ranges
bytes
alt-svc
h3=":443";ma=86400,h3-29=":443";ma=86400,h3-27=":443";ma=86400
cache-control
max-age=3600
content-encoding
br
content-length
140
content-type
text/html; charset=utf-8
date
Wed, 27 Mar 2024 22:05:11 GMT
etag
"2e72a78b9f8d5dfa913866f17641bd49aa07425134cd364ed68a4a5edbc86d64-br"
last-modified
Wed, 27 Mar 2024 21:14:53 GMT
strict-transport-security
max-age=31556926; includeSubDomains; preload
vary
x-fh-requested-host, accept-encoding
x-cache
HIT
x-cache-hits
1
x-served-by
cache-lcy-eglc8600066-LCY
x-timer
S1711577112.658241,VS0,VE1

Redirect headers

content-length
0
content-type
text/html; charset=UTF-8
date
Wed, 27 Mar 2024 22:05:11 GMT
location
https://student-finance-london.web.app/
server
nginx/1.23.4
x-server-cache
false
/
who-calledus.co.uk/student/
Redirect Chain
  • https://who-calledus.co.uk/student
  • https://who-calledus.co.uk/student/
107 B
389 B
Document
General
Full URL
https://who-calledus.co.uk/student/
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
198.54.116.141 , United States, ASN22612 (NAMECHEAP-NET, US),
Reverse DNS
server198-5.web-hosting.com
Software
LiteSpeed / PHP/8.0.30
Resource Hash
04911183b9b0c1ab43b82183679da03cf0b248ce0d86f9c0cc1e7bbced1da31a

Request headers

Referer
https://student-finance-london.web.app/
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
accept-language
en-GB,en;q=0.9
sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
sec-ch-ua-mobile
?0
sec-ch-ua-platform
"Win32"

Response headers

cache-control
no-store, no-cache, must-revalidate
content-encoding
br
content-length
83
content-type
text/html; charset=UTF-8
date
Wed, 27 Mar 2024 22:05:13 GMT
expires
Thu, 19 Nov 1981 08:52:00 GMT
pragma
no-cache
server
LiteSpeed
vary
Accept-Encoding
x-powered-by
PHP/8.0.30
x-turbo-charged-by
LiteSpeed

Redirect headers

content-length
795
content-type
text/html
date
Wed, 27 Mar 2024 22:05:12 GMT
location
https://who-calledus.co.uk/student/
server
LiteSpeed
x-turbo-charged-by
LiteSpeed
favicon.ico
student-finance-london.web.app/
337 B
201 B
Other
General
Full URL
https://student-finance-london.web.app/favicon.ico
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2620:0:890::100 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
/
Resource Hash
Security Headers
Name Value
Strict-Transport-Security max-age=31556926; includeSubDomains; preload

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://student-finance-london.web.app/
accept-language
en-GB,en;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

x-served-by
cache-lcy-eglc8600066-LCY
strict-transport-security
max-age=31556926; includeSubDomains; preload
content-encoding
br
date
Wed, 27 Mar 2024 22:05:11 GMT
last-modified
Wed, 27 Mar 2024 21:14:53 GMT
x-timer
S1711577112.729698,VS0,VE1
etag
"2e72a78b9f8d5dfa913866f17641bd49aa07425134cd364ed68a4a5edbc86d64-br"
vary
x-fh-requested-host, accept-encoding
x-cache
HIT
content-type
text/html; charset=utf-8
cache-control
max-age=3600
accept-ranges
bytes
alt-svc
h3=":443";ma=86400,h3-29=":443";ma=86400,h3-27=":443";ma=86400
content-length
140
x-cache-hits
1
Primary Request Login.php
who-calledus.co.uk/student/
13 KB
4 KB
Document
General
Full URL
https://who-calledus.co.uk/student/Login.php?accessToken=BNQgUENHikSdQmEd&Proceed=Receiver
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
198.54.116.141 , United States, ASN22612 (NAMECHEAP-NET, US),
Reverse DNS
server198-5.web-hosting.com
Software
LiteSpeed / PHP/8.0.30
Resource Hash
b737449ae0314d3354feebfee7d361c7cd307a075412adc1ba306485408954b8

Request headers

Referer
https://who-calledus.co.uk/student/
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
accept-language
en-GB,en;q=0.9
sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
sec-ch-ua-mobile
?0
sec-ch-ua-platform
"Win32"

Response headers

cache-control
no-store, no-cache, must-revalidate
content-encoding
br
content-length
3370
content-type
text/html; charset=UTF-8
date
Wed, 27 Mar 2024 22:05:13 GMT
expires
Thu, 19 Nov 1981 08:52:00 GMT
pragma
no-cache
server
LiteSpeed
vary
Accept-Encoding
x-powered-by
PHP/8.0.30
x-turbo-charged-by
LiteSpeed
favicon.ico
who-calledus.co.uk/
1 KB
1 KB
Other
General
Full URL
https://who-calledus.co.uk/favicon.ico
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
198.54.116.141 , United States, ASN22612 (NAMECHEAP-NET, US),
Reverse DNS
server198-5.web-hosting.com
Software
LiteSpeed /
Resource Hash

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://who-calledus.co.uk/student/
accept-language
en-GB,en;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

pragma
no-cache
date
Wed, 27 Mar 2024 22:05:13 GMT
cache-control
private, no-cache, no-store, must-revalidate, max-age=0
x-turbo-charged-by
LiteSpeed
server
LiteSpeed
content-length
1251
content-type
text/html
govuk-frontend-3.7.0.min.css
who-calledus.co.uk/student/
88 KB
10 KB
Stylesheet
General
Full URL
https://who-calledus.co.uk/student/govuk-frontend-3.7.0.min.css
Requested by
Host: who-calledus.co.uk
URL: https://who-calledus.co.uk/student/Login.php?accessToken=BNQgUENHikSdQmEd&Proceed=Receiver
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
198.54.116.141 , United States, ASN22612 (NAMECHEAP-NET, US),
Reverse DNS
server198-5.web-hosting.com
Software
LiteSpeed /
Resource Hash
57ee71358a22b32c31d478699b7bd67e8a299507b629d77d371333bf46a3ba13

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://who-calledus.co.uk/student/Login.php?accessToken=BNQgUENHikSdQmEd&Proceed=Receiver
accept-language
en-GB,en;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Wed, 27 Mar 2024 22:05:14 GMT
content-encoding
br
last-modified
Wed, 27 Mar 2024 04:33:28 GMT
server
LiteSpeed
vary
Accept-Encoding
content-type
text/css
cache-control
public, max-age=604800
x-turbo-charged-by
LiteSpeed
accept-ranges
bytes
content-length
10238
expires
Wed, 03 Apr 2024 22:05:14 GMT
override-govuk-frontend-3.7.0.min.css
who-calledus.co.uk/student/
2 KB
892 B
Stylesheet
General
Full URL
https://who-calledus.co.uk/student/override-govuk-frontend-3.7.0.min.css
Requested by
Host: who-calledus.co.uk
URL: https://who-calledus.co.uk/student/Login.php?accessToken=BNQgUENHikSdQmEd&Proceed=Receiver
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
198.54.116.141 , United States, ASN22612 (NAMECHEAP-NET, US),
Reverse DNS
server198-5.web-hosting.com
Software
LiteSpeed /
Resource Hash
24758c21d5b02dc9add4dc7b9df7c9f32ccedf6d2b59219ecb737bbb1596de01

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://who-calledus.co.uk/student/Login.php?accessToken=BNQgUENHikSdQmEd&Proceed=Receiver
accept-language
en-GB,en;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Wed, 27 Mar 2024 22:05:14 GMT
content-encoding
br
last-modified
Wed, 27 Mar 2024 04:24:24 GMT
server
LiteSpeed
vary
Accept-Encoding
content-type
text/css
cache-control
public, max-age=604800
x-turbo-charged-by
LiteSpeed
accept-ranges
bytes
content-length
672
expires
Wed, 03 Apr 2024 22:05:14 GMT
sfe.css
who-calledus.co.uk/student/sfe/
0
0
Stylesheet
General
Full URL
https://who-calledus.co.uk/student/sfe/sfe.css
Requested by
Host: who-calledus.co.uk
URL: https://who-calledus.co.uk/student/Login.php?accessToken=BNQgUENHikSdQmEd&Proceed=Receiver
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
198.54.116.141 , United States, ASN22612 (NAMECHEAP-NET, US),
Reverse DNS
server198-5.web-hosting.com
Software
LiteSpeed /
Resource Hash

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://who-calledus.co.uk/student/Login.php?accessToken=BNQgUENHikSdQmEd&Proceed=Receiver
accept-language
en-GB,en;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

pragma
no-cache
date
Wed, 27 Mar 2024 22:05:14 GMT
cache-control
private, no-cache, no-store, must-revalidate, max-age=0
x-turbo-charged-by
LiteSpeed
server
LiteSpeed
content-length
1251
content-type
text/html
modal.css
who-calledus.co.uk/student/
10 KB
2 KB
Stylesheet
General
Full URL
https://who-calledus.co.uk/student/modal.css
Requested by
Host: who-calledus.co.uk
URL: https://who-calledus.co.uk/student/Login.php?accessToken=BNQgUENHikSdQmEd&Proceed=Receiver
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
198.54.116.141 , United States, ASN22612 (NAMECHEAP-NET, US),
Reverse DNS
server198-5.web-hosting.com
Software
LiteSpeed /
Resource Hash
a9b0343142db1caba85690a10df2d648a12e52ace299fd912be3b2aabab4c7ca

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://who-calledus.co.uk/student/Login.php?accessToken=BNQgUENHikSdQmEd&Proceed=Receiver
accept-language
en-GB,en;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Wed, 27 Mar 2024 22:05:14 GMT
content-encoding
br
last-modified
Wed, 27 Mar 2024 04:24:38 GMT
server
LiteSpeed
vary
Accept-Encoding
content-type
text/css
cache-control
public, max-age=604800
x-turbo-charged-by
LiteSpeed
accept-ranges
bytes
content-length
2163
expires
Wed, 03 Apr 2024 22:05:14 GMT
cookie-banner.css
who-calledus.co.uk/student/
1 KB
644 B
Stylesheet
General
Full URL
https://who-calledus.co.uk/student/cookie-banner.css
Requested by
Host: who-calledus.co.uk
URL: https://who-calledus.co.uk/student/Login.php?accessToken=BNQgUENHikSdQmEd&Proceed=Receiver
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
198.54.116.141 , United States, ASN22612 (NAMECHEAP-NET, US),
Reverse DNS
server198-5.web-hosting.com
Software
LiteSpeed /
Resource Hash
e42e0de5a52006d9a2eb81f7f6fa1dd45af37f7f94ccb8f0306fd1707152867c

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://who-calledus.co.uk/student/Login.php?accessToken=BNQgUENHikSdQmEd&Proceed=Receiver
accept-language
en-GB,en;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Wed, 27 Mar 2024 22:05:14 GMT
content-encoding
br
last-modified
Wed, 27 Mar 2024 04:24:44 GMT
server
LiteSpeed
vary
Accept-Encoding
content-type
text/css
cache-control
public, max-age=604800
x-turbo-charged-by
LiteSpeed
accept-ranges
bytes
content-length
424
expires
Wed, 03 Apr 2024 22:05:14 GMT
sfe_logo.png
who-calledus.co.uk/student/
3 KB
3 KB
Image
General
Full URL
https://who-calledus.co.uk/student/sfe_logo.png
Requested by
Host: who-calledus.co.uk
URL: https://who-calledus.co.uk/student/Login.php?accessToken=BNQgUENHikSdQmEd&Proceed=Receiver
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
198.54.116.141 , United States, ASN22612 (NAMECHEAP-NET, US),
Reverse DNS
server198-5.web-hosting.com
Software
LiteSpeed /
Resource Hash
f3c14820d452cf53db3283d280fd0c14da7e1424595bd4a56a537af9b3b88cb1

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://who-calledus.co.uk/student/Login.php?accessToken=BNQgUENHikSdQmEd&Proceed=Receiver
accept-language
en-GB,en;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Wed, 27 Mar 2024 22:05:14 GMT
last-modified
Wed, 27 Mar 2024 04:27:38 GMT
server
LiteSpeed
content-type
image/png
cache-control
public, max-age=604800
x-turbo-charged-by
LiteSpeed
accept-ranges
bytes
content-length
2945
expires
Wed, 03 Apr 2024 22:05:14 GMT
bold-b542beb274-v2.woff2
who-calledus.co.uk/student/
0
0

light-94a07e06a1-v2.woff2
who-calledus.co.uk/student/
0
0

govuk-crest.png
who-calledus.co.uk/student/
0
0

favicon.ico
who-calledus.co.uk/student/
0
0

Failed requests

These URLs were requested, but there was no response received. You will also see them in the list above.

Domain
who-calledus.co.uk
URL
https://who-calledus.co.uk/student/bold-b542beb274-v2.woff2
Domain
who-calledus.co.uk
URL
https://who-calledus.co.uk/student/light-94a07e06a1-v2.woff2
Domain
who-calledus.co.uk
URL
https://who-calledus.co.uk/student/govuk-crest.png
Domain
who-calledus.co.uk
URL
https://who-calledus.co.uk/student/favicon.ico

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: UK Government (Government)

1 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| onpagereveal

1 Cookies

Domain/Path Name / Value
who-calledus.co.uk/ Name: PHPSESSID
Value: 8tmqlg6livl5ia7hb0h3paivfi

2 Console Messages

Source Level URL
Text
network error URL: https://who-calledus.co.uk/favicon.ico
Message:
Failed to load resource: the server responded with a status of 404 ()
network error URL: https://who-calledus.co.uk/student/sfe/sfe.css
Message:
Failed to load resource: the server responded with a status of 404 ()

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=31556926; includeSubDomains; preload