Submitted URL: https://m.ylzx97.com/
Effective URL: https://gc3542.com/
Submission: On December 19 via api from US — Scanned from IL

Summary

This website contacted 2 IPs in 1 countries across 11 domains to perform 21 HTTP transactions. The main IP is 45.64.55.97, located in Hong Kong and belongs to CTGSERVERLIMITED-AS-AP CTG Server Limited, HK. The main domain is gc3542.com.
TLS certificate: Issued by R11 on November 24th 2024. Valid for: 3 months.
This is the only time gc3542.com was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
1 1 45.116.167.151 55720 (GIGABIT-M...)
2 17 45.64.55.97 152194 (CTGSERVER...)
1 1 156.251.142.59 ()
21 2
Apex Domain
Subdomains
Transfer
10 gc3542.com
gc3542.com
2 MB
4 622210.com
m.622210.com
3 KB
3 612250.com
612250.com
1 KB
1 8uuu.com
8uuu.com
312 B
1 ylzx97.com
m.ylzx97.com
278 B
0 0891727.com Failed
0891727.com Failed
0 7009599.com Failed
7009599.com Failed
0 9177626.com Failed
9177626.com Failed
0 3491286.com Failed
3491286.com Failed
0 7168307.com Failed
7168307.com Failed
0 6751858.com Failed
6751858.com Failed
21 11
Domain Requested by
10 gc3542.com 1 redirects m.622210.com
gc3542.com
4 m.622210.com 612250.com
m.622210.com
3 612250.com 1 redirects
1 8uuu.com 1 redirects
1 m.ylzx97.com 1 redirects
0 0891727.com Failed gc3542.com
0 7009599.com Failed gc3542.com
0 9177626.com Failed gc3542.com
0 3491286.com Failed gc3542.com
0 7168307.com Failed gc3542.com
0 6751858.com Failed gc3542.com
21 11

This site contains no links.

Subject Issuer Validity Valid
m.622270.com
R11
2024-12-11 -
2025-03-11
3 months crt.sh
www.622210.com
R10
2024-11-12 -
2025-02-10
3 months crt.sh
200646.com
R11
2024-11-24 -
2025-02-22
3 months crt.sh

This page contains 1 frames:

Primary Page: https://gc3542.com/
Frame ID: CBA905A04C3F47349081703A86F09B27
Requests: 21 HTTP requests in this frame

Screenshot

Page Title

娱乐中心

Page URL History Show full URLs

  1. https://m.ylzx97.com/ HTTP 301
    https://612250.com/ Page URL
  2. https://m.622210.com/ Page URL
  3. https://8uuu.com/ HTTP 301
    https://gc3542.com/ Page URL

Page Statistics

21
Requests

62 %
HTTPS

0 %
IPv6

11
Domains

11
Subdomains

2
IPs

1
Countries

1906 kB
Transfer

2129 kB
Size

0
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://m.ylzx97.com/ HTTP 301
    https://612250.com/ Page URL
  2. https://m.622210.com/ Page URL
  3. https://8uuu.com/ HTTP 301
    https://gc3542.com/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

Request Chain 0
  • https://m.ylzx97.com/ HTTP 301
  • https://612250.com/
Request Chain 1
  • https://612250.com/favicon.ico HTTP 301
  • https://612250.com/
Request Chain 19
  • https://gc3542.com/favicon.ico HTTP 301
  • https://gc3542.com/

21 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
/
612250.com/
Redirect Chain
  • https://m.ylzx97.com/
  • https://612250.com/
1 KB
1 KB
Document
General
Full URL
https://612250.com/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
45.64.55.97 , Hong Kong, ASN152194 (CTGSERVERLIMITED-AS-AP CTG Server Limited, HK),
Reverse DNS
Software
tengine /
Resource Hash
39db674d5d2892f657daec54bb88c3c461ee39a7b62e4aa35f4b082530e15942
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36

Response headers

content-encoding
gzip
content-type
text/html
date
Thu, 19 Dec 2024 18:55:55 GMT
etag
W/"675d14af-543"
last-modified
Sat, 14 Dec 2024 05:16:31 GMT
server
tengine
strict-transport-security
max-age=31536000
vary
Accept-Encoding

Redirect headers

content-length
162
content-type
text/html
date
Thu, 19 Dec 2024 18:55:54 GMT
location
https://612250.com/
server
nginx
strict-transport-security
max-age=31536000
/
612250.com/
Redirect Chain
  • https://612250.com/favicon.ico
  • https://612250.com/
1 KB
0
Other
General
Full URL
https://612250.com/
Protocol
H2
Server
45.64.55.97 , Hong Kong, ASN152194 (CTGSERVERLIMITED-AS-AP CTG Server Limited, HK),
Reverse DNS
Software
tengine /
Resource Hash
39db674d5d2892f657daec54bb88c3c461ee39a7b62e4aa35f4b082530e15942

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Referer
https://612250.com/

Response headers

content-encoding
gzip
date
Thu, 19 Dec 2024 18:55:55 GMT
etag
W/"675d14af-543"
content-type
text/html
last-modified
Sat, 14 Dec 2024 05:16:31 GMT
server
tengine
vary
Accept-Encoding

Redirect headers

strict-transport-security
max-age=31536000
location
https://612250.com/
content-length
278
date
Thu, 19 Dec 2024 18:55:55 GMT
content-type
text/html
server
tengine
/
m.622210.com/
2 KB
892 B
Document
General
Full URL
https://m.622210.com/
Requested by
Host: 612250.com
URL: https://612250.com/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
45.64.55.97 , Hong Kong, ASN152194 (CTGSERVERLIMITED-AS-AP CTG Server Limited, HK),
Reverse DNS
Software
tengine /
Resource Hash
a6e009cbc8e4053708d370cf5fb753c072f17ba0fa1553ff88ae2523849f1bf2
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

Referer
https://612250.com/
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36

Response headers

content-encoding
gzip
content-type
text/html
date
Thu, 19 Dec 2024 18:55:59 GMT
etag
W/"6753df74-6ff"
last-modified
Sat, 07 Dec 2024 05:39:00 GMT
server
tengine
strict-transport-security
max-age=31536000
vary
Accept-Encoding
index.js
m.622210.com/derr/js/
2 KB
1 KB
Script
General
Full URL
https://m.622210.com/derr/js/index.js
Requested by
Host: m.622210.com
URL: https://m.622210.com/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
45.64.55.97 , Hong Kong, ASN152194 (CTGSERVERLIMITED-AS-AP CTG Server Limited, HK),
Reverse DNS
Software
tengine /
Resource Hash
be4f1932c5019310d3d5b7a6fe4554f61929bc727cf5e34d3ad046c8db95c583
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Referer
https://m.622210.com/

Response headers

strict-transport-security
max-age=31536000
cache-control
max-age=43200
content-encoding
gzip
etag
W/"64cf184d-7e8"
expires
Fri, 20 Dec 2024 06:56:00 GMT
date
Thu, 19 Dec 2024 18:56:00 GMT
content-type
application/javascript
last-modified
Sun, 06 Aug 2023 03:49:33 GMT
server
tengine
vary
Accept-Encoding
index.css
m.622210.com/derr/css/
2 KB
857 B
Stylesheet
General
Full URL
https://m.622210.com/derr/css/index.css
Requested by
Host: m.622210.com
URL: https://m.622210.com/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
45.64.55.97 , Hong Kong, ASN152194 (CTGSERVERLIMITED-AS-AP CTG Server Limited, HK),
Reverse DNS
Software
tengine /
Resource Hash
d6353cee42369008d96abfff9b87ee3aaba70005b630a2b6418d15b3ef7343d6
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Referer
https://m.622210.com/

Response headers

strict-transport-security
max-age=31536000
cache-control
max-age=43200
content-encoding
gzip
etag
W/"64cf184d-75a"
expires
Fri, 20 Dec 2024 06:56:00 GMT
date
Thu, 19 Dec 2024 18:56:00 GMT
content-type
text/css
last-modified
Sun, 06 Aug 2023 03:49:33 GMT
server
tengine
vary
Accept-Encoding
finish.png
m.622210.com/derr/images/
32 KB
0
Image
General
Full URL
https://m.622210.com/derr/images/finish.png
Requested by
Host: m.622210.com
URL: https://m.622210.com/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
45.64.55.97 , Hong Kong, ASN152194 (CTGSERVERLIMITED-AS-AP CTG Server Limited, HK),
Reverse DNS
Software
tengine /
Resource Hash
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Referer
https://m.622210.com/

Response headers

strict-transport-security
max-age=31536000
cache-control
max-age=2592000
etag
"64cf184d-122ec"
expires
Sat, 18 Jan 2025 18:56:00 GMT
accept-ranges
bytes
content-length
74476
date
Thu, 19 Dec 2024 18:56:00 GMT
content-type
image/png
last-modified
Sun, 06 Aug 2023 03:49:33 GMT
server
tengine
Primary Request /
gc3542.com/
Redirect Chain
  • https://8uuu.com/
  • https://gc3542.com/
18 KB
3 KB
Document
General
Full URL
https://gc3542.com/
Requested by
Host: m.622210.com
URL: https://m.622210.com/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
45.64.55.97 , Hong Kong, ASN152194 (CTGSERVERLIMITED-AS-AP CTG Server Limited, HK),
Reverse DNS
Software
tengine /
Resource Hash
9a1626c1c05ead2b29831080aee8f9666b17b86f28c3ce66e6c5ee2d6a68e99c
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

Referer
https://m.622210.com/
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36

Response headers

content-encoding
gzip
content-type
text/html
date
Thu, 19 Dec 2024 18:56:07 GMT
etag
W/"6763f91a-46b8"
last-modified
Thu, 19 Dec 2024 10:44:42 GMT
server
tengine
strict-transport-security
max-age=31536000
vary
Accept-Encoding

Redirect headers

content-length
175
content-type
text/html
date
Thu, 19 Dec 2024 18:37:02 GMT
location
https://gc3542.com
server
openresty/1.21.4.1
strict-transport-security
max-age=2592000; includeSubDomains
css.css
gc3542.com/style/
8 KB
2 KB
Stylesheet
General
Full URL
https://gc3542.com/style/css.css
Requested by
Host: gc3542.com
URL: https://gc3542.com/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
45.64.55.97 , Hong Kong, ASN152194 (CTGSERVERLIMITED-AS-AP CTG Server Limited, HK),
Reverse DNS
Software
tengine /
Resource Hash
b81f66a39b582d4b76b646ddae7825a0500fbaed10511ac57ff42d83901ba92f
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Referer
https://gc3542.com/

Response headers

strict-transport-security
max-age=31536000
cache-control
max-age=43200
content-encoding
gzip
etag
W/"5f29691b-213f"
expires
Fri, 20 Dec 2024 06:56:07 GMT
date
Thu, 19 Dec 2024 18:56:07 GMT
content-type
text/css
last-modified
Tue, 04 Aug 2020 13:56:43 GMT
server
tengine
vary
Accept-Encoding
bootstrap.min.css
gc3542.com/style/
118 KB
24 KB
Stylesheet
General
Full URL
https://gc3542.com/style/bootstrap.min.css
Requested by
Host: gc3542.com
URL: https://gc3542.com/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
45.64.55.97 , Hong Kong, ASN152194 (CTGSERVERLIMITED-AS-AP CTG Server Limited, HK),
Reverse DNS
Software
tengine /
Resource Hash
dddf2483d0ef724a3ccbb63a333f9678ebc037aab34d495871426de42d6dbc8e
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Referer
https://gc3542.com/

Response headers

strict-transport-security
max-age=31536000
cache-control
max-age=43200
content-encoding
gzip
etag
W/"5f29691b-1d975"
expires
Fri, 20 Dec 2024 06:56:07 GMT
date
Thu, 19 Dec 2024 18:56:07 GMT
content-type
text/css
last-modified
Tue, 04 Aug 2020 13:56:43 GMT
server
tengine
vary
Accept-Encoding
jquery-1.11.2.min.js
gc3542.com/style/
94 KB
37 KB
Script
General
Full URL
https://gc3542.com/style/jquery-1.11.2.min.js
Requested by
Host: gc3542.com
URL: https://gc3542.com/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
45.64.55.97 , Hong Kong, ASN152194 (CTGSERVERLIMITED-AS-AP CTG Server Limited, HK),
Reverse DNS
Software
tengine /
Resource Hash
a271a3f9e3cae897ced669d6652699e947928ef095e56384c4f9dd04bbb942ec
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Referer
https://gc3542.com/

Response headers

strict-transport-security
max-age=31536000
cache-control
max-age=43200
content-encoding
gzip
etag
W/"5f29691b-176bf"
expires
Fri, 20 Dec 2024 06:56:07 GMT
date
Thu, 19 Dec 2024 18:56:07 GMT
content-type
application/javascript
last-modified
Tue, 04 Aug 2020 13:56:43 GMT
server
tengine
vary
Accept-Encoding
/
6751858.com/
0
0

/
7168307.com/
0
0

/
3491286.com/
0
0

/
9177626.com/
0
0

/
7009599.com/
0
0

/
0891727.com/
0
0

back.png
gc3542.com/style/img/
2 MB
2 MB
Image
General
Full URL
https://gc3542.com/style/img/back.png
Requested by
Host: gc3542.com
URL: https://gc3542.com/style/css.css
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
45.64.55.97 , Hong Kong, ASN152194 (CTGSERVERLIMITED-AS-AP CTG Server Limited, HK),
Reverse DNS
Software
tengine /
Resource Hash
72e2decdb6ee519f718add57a0167857ade114f345fc14b3d47f234991348cd4
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Referer
https://gc3542.com/style/css.css

Response headers

strict-transport-security
max-age=31536000
cache-control
max-age=2592000
etag
"5f29691c-1c1f9d"
expires
Sat, 18 Jan 2025 18:56:08 GMT
accept-ranges
bytes
content-length
1843101
date
Thu, 19 Dec 2024 18:56:08 GMT
content-type
image/png
last-modified
Tue, 04 Aug 2020 13:56:44 GMT
server
tengine
logo.png
gc3542.com/style/img/
5 KB
5 KB
Image
General
Full URL
https://gc3542.com/style/img/logo.png
Requested by
Host: gc3542.com
URL: https://gc3542.com/style/css.css
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
45.64.55.97 , Hong Kong, ASN152194 (CTGSERVERLIMITED-AS-AP CTG Server Limited, HK),
Reverse DNS
Software
tengine /
Resource Hash
dc9456f8cff3e97b16f21f981b18844c9224ce057da14d03853ba7db2a666003
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Referer
https://gc3542.com/style/css.css

Response headers

strict-transport-security
max-age=31536000
cache-control
max-age=2592000
etag
"6468676e-1371"
expires
Sat, 18 Jan 2025 18:56:08 GMT
accept-ranges
bytes
content-length
4977
date
Thu, 19 Dec 2024 18:56:08 GMT
content-type
image/png
last-modified
Sat, 20 May 2023 06:23:42 GMT
server
tengine
logo_icon.png
gc3542.com/style/img/
6 KB
7 KB
Image
General
Full URL
https://gc3542.com/style/img/logo_icon.png
Requested by
Host: gc3542.com
URL: https://gc3542.com/style/css.css
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
45.64.55.97 , Hong Kong, ASN152194 (CTGSERVERLIMITED-AS-AP CTG Server Limited, HK),
Reverse DNS
Software
tengine /
Resource Hash
fd21dc0695a9018c3c9b1511daf619bfd8258bf646cb53b9c56fd7f678ab1b55
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Referer
https://gc3542.com/style/css.css

Response headers

strict-transport-security
max-age=31536000
cache-control
max-age=2592000
etag
"5f29691c-19cd"
expires
Sat, 18 Jan 2025 18:56:08 GMT
accept-ranges
bytes
content-length
6605
date
Thu, 19 Dec 2024 18:56:08 GMT
content-type
image/png
last-modified
Tue, 04 Aug 2020 13:56:44 GMT
server
tengine
logo_icon2.png
gc3542.com/style/img/
22 KB
22 KB
Image
General
Full URL
https://gc3542.com/style/img/logo_icon2.png
Requested by
Host: gc3542.com
URL: https://gc3542.com/style/css.css
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
45.64.55.97 , Hong Kong, ASN152194 (CTGSERVERLIMITED-AS-AP CTG Server Limited, HK),
Reverse DNS
Software
tengine /
Resource Hash
8487b910df8eb9bb245b379c741f8e568281f54920408c1abb78f4f24ac4a531
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Referer
https://gc3542.com/style/css.css

Response headers

strict-transport-security
max-age=31536000
cache-control
max-age=2592000
etag
"5f29691c-58cc"
expires
Sat, 18 Jan 2025 18:56:08 GMT
accept-ranges
bytes
content-length
22732
date
Thu, 19 Dec 2024 18:56:08 GMT
content-type
image/png
last-modified
Tue, 04 Aug 2020 13:56:44 GMT
server
tengine
/
gc3542.com/
Redirect Chain
  • https://gc3542.com/favicon.ico
  • https://gc3542.com/
18 KB
0
Other
General
Full URL
https://gc3542.com/
Protocol
H2
Server
45.64.55.97 , Hong Kong, ASN152194 (CTGSERVERLIMITED-AS-AP CTG Server Limited, HK),
Reverse DNS
Software
tengine /
Resource Hash
9a1626c1c05ead2b29831080aee8f9666b17b86f28c3ce66e6c5ee2d6a68e99c

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Referer
https://gc3542.com/

Response headers

content-encoding
gzip
date
Thu, 19 Dec 2024 18:56:07 GMT
etag
W/"6763f91a-46b8"
content-type
text/html
last-modified
Thu, 19 Dec 2024 10:44:42 GMT
server
tengine
vary
Accept-Encoding

Redirect headers

strict-transport-security
max-age=31536000
location
https://gc3542.com/
content-length
278
date
Thu, 19 Dec 2024 18:56:10 GMT
content-type
text/html
server
tengine

Failed requests

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

Domain
6751858.com
URL
https://6751858.com/
Domain
7168307.com
URL
https://7168307.com/
Domain
3491286.com
URL
https://3491286.com/
Domain
9177626.com
URL
https://9177626.com/
Domain
7009599.com
URL
https://7009599.com/
Domain
0891727.com
URL
https://0891727.com/

Verdicts & Comments Add Verdict or Comment

0 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.

0 Cookies

3 Console Messages

Source Level URL
Text
security warning URL: https://gc3542.com/
Message:
Mixed Content: The page at 'https://gc3542.com/' was loaded over HTTPS, but requested an insecure element 'http://6751858.com/'. This request was automatically upgraded to HTTPS, For more information see https://blog.chromium.org/2019/10/no-more-mixed-messages-about-https.html
security warning URL: https://gc3542.com/
Message:
Mixed Content: The page at 'https://gc3542.com/' was loaded over HTTPS, but requested an insecure element 'http://0891727.com/'. This request was automatically upgraded to HTTPS, For more information see https://blog.chromium.org/2019/10/no-more-mixed-messages-about-https.html
security warning URL: https://gc3542.com/
Message:
Mixed Content: The page at 'https://gc3542.com/' was loaded over HTTPS, but requested an insecure element 'http://0891727.com/'. This request was automatically upgraded to HTTPS, For more information see https://blog.chromium.org/2019/10/no-more-mixed-messages-about-https.html

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=31536000