Submitted URL: https://23566.pro/
Effective URL: https://35699.co/
Submission: On August 01 via api from US — Scanned from US

Summary

This website contacted 3 IPs in 1 countries across 3 domains to perform 15 HTTP transactions. The main IP is 45.114.171.236, located in Hong Kong and belongs to POWERLINE-AS-AP POWER LINE DATACENTER, HK. The main domain is 35699.co.
TLS certificate: Issued by R11 on July 1st 2024. Valid for: 3 months.
This is the only time 35699.co was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
1 8 45.114.171.236 132839 (POWERLINE...)
3 156.225.111.13 35916 (MULTA-ASN1)
5 156.225.111.16 139057 (LDPL-AS-A...)
15 3
Apex Domain
Subdomains
Transfer
8 51.la
sdk.51.la — Cisco Umbrella Rank: 46121
collect-v6.51.la — Cisco Umbrella Rank: 35990
41 KB
7 35699.co
35699.co
575 KB
1 23566.pro
23566.pro
277 B
15 3
Domain Requested by
7 35699.co 35699.co
5 collect-v6.51.la sdk.51.la
3 sdk.51.la 35699.co
1 23566.pro 1 redirects
15 4

This site contains links to these domains. Also see Links.

Domain
hf56889.com
hf675857.com
fxxrlcbk.xetcwikrmdbfwbk.top
Subject Issuer Validity Valid
35699.co
R11
2024-07-01 -
2024-09-29
3 months crt.sh
*.51.la
Sectigo RSA Domain Validation Secure Server CA
2024-05-14 -
2025-05-14
a year crt.sh

This page contains 1 frames:

Primary Page: https://35699.co/
Frame ID: 035404F0C69AFEF56ED6AC1E157756A6
Requests: 15 HTTP requests in this frame

Screenshot


Page URL History Show full URLs

  1. https://23566.pro/ HTTP 301
    https://35699.co/ Page URL

Page Statistics

15
Requests

100 %
HTTPS

0 %
IPv6

3
Domains

4
Subdomains

3
IPs

1
Countries

616 kB
Transfer

685 kB
Size

12
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://23566.pro/ HTTP 301
    https://35699.co/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

15 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Primary Request /
35699.co/
Redirect Chain
  • https://23566.pro/
  • https://35699.co/
2 KB
1 KB
Document
General
Full URL
https://35699.co/
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
45.114.171.236 , Hong Kong, ASN132839 (POWERLINE-AS-AP POWER LINE DATACENTER, HK),
Reverse DNS
Software
nginx /
Resource Hash
ef9f7450f578201f381f32b2a328bb1a6b5a8b14b13b5b7e4f7acc874604d72c
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/127.0.0.0 Safari/537.36

Response headers

content-encoding
gzip
content-type
text/html
date
Thu, 01 Aug 2024 01:13:52 GMT
etag
W/"6697bf71-9c4"
last-modified
Wed, 17 Jul 2024 12:56:17 GMT
server
nginx
strict-transport-security
max-age=31536000
vary
Accept-Encoding

Redirect headers

content-length
162
content-type
text/html
date
Thu, 01 Aug 2024 01:13:51 GMT
location
https://35699.co/
server
nginx
strict-transport-security
max-age=31536000
iconfont.css
35699.co/images/
719 B
923 B
Stylesheet
General
Full URL
https://35699.co/images/iconfont.css
Requested by
Host: 35699.co
URL: https://35699.co/
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
45.114.171.236 , Hong Kong, ASN132839 (POWERLINE-AS-AP POWER LINE DATACENTER, HK),
Reverse DNS
Software
nginx /
Resource Hash
c4f790991db9700ce124f8104e748b212bb4ead571121d06cc03f5bba4911414
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

Referer
https://35699.co/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

date
Thu, 01 Aug 2024 01:13:53 GMT
strict-transport-security
max-age=31536000
last-modified
Sat, 29 Jun 2024 06:23:36 GMT
server
nginx
etag
"667fa868-2cf"
content-type
text/css
cache-control
max-age=43200
accept-ranges
bytes
content-length
719
expires
Thu, 01 Aug 2024 13:13:53 GMT
js-sdk-pro.min.js
sdk.51.la/
34 KB
13 KB
Script
General
Full URL
https://sdk.51.la/js-sdk-pro.min.js
Requested by
Host: 35699.co
URL: https://35699.co/
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
156.225.111.13 , Hong Kong, ASN35916 (MULTA-ASN1, US),
Reverse DNS
Software
openresty /
Resource Hash
c54ff899b5b9f90bd2ecc4dd87d877e87562f8c739ba2c167ccb61f02096abfa

Request headers

Referer
https://35699.co/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

Date
Thu, 01 Aug 2024 01:13:43 GMT
Content-Encoding
gzip
Server
openresty
Transfer-Encoding
chunked
Content-Type
text/plain; charset=utf-8
Access-Control-Allow-Origin
*
Cache-Control
no-store
Access-Control-Allow-Credentials
true
Connection
keep-alive
X-Ser
BC194_lt-obgp-fujian-xiamen-33-cache-1, BC16_US-Virginia-Ashburn-1-cache-1
index_01.jpg
35699.co/images/
224 KB
223 KB
Image
General
Full URL
https://35699.co/images/index_01.jpg
Requested by
Host: 35699.co
URL: https://35699.co/
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
45.114.171.236 , Hong Kong, ASN132839 (POWERLINE-AS-AP POWER LINE DATACENTER, HK),
Reverse DNS
Software
nginx /
Resource Hash
2dee254ae46ae96e107a4b59cdc7002a73e489b424938f4b5a81430960bb86b0
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

Referer
https://35699.co/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

date
Thu, 01 Aug 2024 01:13:53 GMT
strict-transport-security
max-age=31536000
content-encoding
gzip
last-modified
Sat, 29 Jun 2024 06:06:58 GMT
server
nginx
etag
W/"667fa482-37eb4"
vary
Accept-Encoding
content-type
image/jpeg
cache-control
max-age=2592000
expires
Sat, 31 Aug 2024 01:13:53 GMT
index_02.jpg
35699.co/images/
129 KB
128 KB
Image
General
Full URL
https://35699.co/images/index_02.jpg
Requested by
Host: 35699.co
URL: https://35699.co/
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
45.114.171.236 , Hong Kong, ASN132839 (POWERLINE-AS-AP POWER LINE DATACENTER, HK),
Reverse DNS
Software
nginx /
Resource Hash
409d7225cf4674d141e8a09bc8935b18a9c9424a1e8a9942c5d3f5dd06b1ed46
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

Referer
https://35699.co/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

date
Thu, 01 Aug 2024 01:13:53 GMT
strict-transport-security
max-age=31536000
content-encoding
gzip
last-modified
Sat, 29 Jun 2024 06:06:58 GMT
server
nginx
etag
W/"667fa482-20243"
vary
Accept-Encoding
content-type
image/jpeg
cache-control
max-age=2592000
expires
Sat, 31 Aug 2024 01:13:53 GMT
index_03.jpg
35699.co/images/
226 KB
218 KB
Image
General
Full URL
https://35699.co/images/index_03.jpg
Requested by
Host: 35699.co
URL: https://35699.co/
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
45.114.171.236 , Hong Kong, ASN132839 (POWERLINE-AS-AP POWER LINE DATACENTER, HK),
Reverse DNS
Software
nginx /
Resource Hash
a5f1964c56022834462fdeaa2b411e8c8734505053302a32c30665a47995e4a3
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

Referer
https://35699.co/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

date
Thu, 01 Aug 2024 01:13:54 GMT
strict-transport-security
max-age=31536000
content-encoding
gzip
last-modified
Sat, 29 Jun 2024 06:06:58 GMT
server
nginx
etag
W/"667fa482-38881"
vary
Accept-Encoding
content-type
image/jpeg
cache-control
max-age=2592000
expires
Sat, 31 Aug 2024 01:13:54 GMT
collect
collect-v6.51.la/v6/
0
393 B
XHR
General
Full URL
https://collect-v6.51.la/v6/collect?dt=4
Requested by
Host: sdk.51.la
URL: https://sdk.51.la/js-sdk-pro.min.js
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
156.225.111.16 , Hong Kong, ASN139057 (LDPL-AS-AP LEGEND DYNASTY PTE. LTD., SG),
Reverse DNS
Software
nginx /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

Referer
https://35699.co/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

Date
Thu, 01 Aug 2024 01:13:44 GMT
Server
nginx
Vary
Origin, Access-Control-Request-Method, Access-Control-Request-Headers
Access-Control-Allow-Origin
https://35699.co
Access-Control-Allow-Credentials
true
Connection
keep-alive
Content-Length
0
X-Ser
BC11_yd-obgp-guangdong-shenzhen-27-cache-2, BC12_US-Virginia-Ashburn-1-cache-1
js-sdk-pro.min.js
sdk.51.la/
34 KB
13 KB
Script
General
Full URL
https://sdk.51.la/js-sdk-pro.min.js
Requested by
Host: 35699.co
URL: https://35699.co/
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
156.225.111.13 , Hong Kong, ASN35916 (MULTA-ASN1, US),
Reverse DNS
Software
openresty /
Resource Hash
c54ff899b5b9f90bd2ecc4dd87d877e87562f8c739ba2c167ccb61f02096abfa

Request headers

Referer
https://35699.co/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

Date
Thu, 01 Aug 2024 01:13:44 GMT
Content-Encoding
gzip
Server
openresty
Transfer-Encoding
chunked
Content-Type
text/plain; charset=utf-8
Access-Control-Allow-Origin
*
Cache-Control
no-store
Access-Control-Allow-Credentials
true
Connection
keep-alive
X-Ser
BC194_lt-obgp-fujian-xiamen-33-cache-1, BC16_US-Virginia-Ashburn-1-cache-1
collect
collect-v6.51.la/v6/
0
393 B
XHR
General
Full URL
https://collect-v6.51.la/v6/collect?dt=4
Requested by
Host: sdk.51.la
URL: https://sdk.51.la/js-sdk-pro.min.js
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
156.225.111.16 , Hong Kong, ASN139057 (LDPL-AS-AP LEGEND DYNASTY PTE. LTD., SG),
Reverse DNS
Software
nginx /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

Referer
https://35699.co/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

Date
Thu, 01 Aug 2024 01:13:44 GMT
Server
nginx
Vary
Origin, Access-Control-Request-Method, Access-Control-Request-Headers
Access-Control-Allow-Origin
https://35699.co
Access-Control-Allow-Credentials
true
Connection
keep-alive
Content-Length
0
X-Ser
BC11_yd-obgp-guangdong-shenzhen-27-cache-2, BC12_US-Virginia-Ashburn-1-cache-1
collect
collect-v6.51.la/v6/
0
389 B
XHR
General
Full URL
https://collect-v6.51.la/v6/collect?dt=4
Requested by
Host: sdk.51.la
URL: https://sdk.51.la/js-sdk-pro.min.js
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
156.225.111.16 , Hong Kong, ASN139057 (LDPL-AS-AP LEGEND DYNASTY PTE. LTD., SG),
Reverse DNS
Software
nginx /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

Referer
https://35699.co/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

Date
Thu, 01 Aug 2024 01:13:44 GMT
Server
nginx
Vary
Origin, Access-Control-Request-Method, Access-Control-Request-Headers
Access-Control-Allow-Origin
https://35699.co
Access-Control-Allow-Credentials
true
Connection
keep-alive
Content-Length
0
X-Ser
BC11_yd-obgp-guangdong-shenzhen-27-cache-2, BC12_US-Virginia-Ashburn-1-cache-1
js-sdk-pro.min.js
sdk.51.la/
34 KB
13 KB
Script
General
Full URL
https://sdk.51.la/js-sdk-pro.min.js
Requested by
Host: 35699.co
URL: https://35699.co/
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
156.225.111.13 , Hong Kong, ASN35916 (MULTA-ASN1, US),
Reverse DNS
Software
openresty /
Resource Hash
c54ff899b5b9f90bd2ecc4dd87d877e87562f8c739ba2c167ccb61f02096abfa

Request headers

Referer
https://35699.co/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

Date
Thu, 01 Aug 2024 01:13:44 GMT
Content-Encoding
gzip
Server
openresty
Transfer-Encoding
chunked
Content-Type
text/plain; charset=utf-8
Access-Control-Allow-Origin
*
Cache-Control
no-store
Access-Control-Allow-Credentials
true
Connection
keep-alive
X-Ser
BC194_lt-obgp-fujian-xiamen-33-cache-1, BC16_US-Virginia-Ashburn-1-cache-1
collect
collect-v6.51.la/v6/
0
389 B
XHR
General
Full URL
https://collect-v6.51.la/v6/collect?dt=4
Requested by
Host: sdk.51.la
URL: https://sdk.51.la/js-sdk-pro.min.js
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
156.225.111.16 , Hong Kong, ASN139057 (LDPL-AS-AP LEGEND DYNASTY PTE. LTD., SG),
Reverse DNS
Software
nginx /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

Referer
https://35699.co/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

Date
Thu, 01 Aug 2024 01:13:44 GMT
Server
nginx
Vary
Origin, Access-Control-Request-Method, Access-Control-Request-Headers
Access-Control-Allow-Origin
https://35699.co
Access-Control-Allow-Credentials
true
Connection
keep-alive
Content-Length
0
X-Ser
BC11_yd-obgp-guangdong-shenzhen-27-cache-2, BC12_US-Virginia-Ashburn-1-cache-1
collect
collect-v6.51.la/v6/
0
389 B
XHR
General
Full URL
https://collect-v6.51.la/v6/collect?dt=4
Requested by
Host: sdk.51.la
URL: https://sdk.51.la/js-sdk-pro.min.js
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
156.225.111.16 , Hong Kong, ASN139057 (LDPL-AS-AP LEGEND DYNASTY PTE. LTD., SG),
Reverse DNS
Software
nginx /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

Referer
https://35699.co/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

Date
Thu, 01 Aug 2024 01:13:44 GMT
Server
nginx
Vary
Origin, Access-Control-Request-Method, Access-Control-Request-Headers
Access-Control-Allow-Origin
https://35699.co
Access-Control-Allow-Credentials
true
Connection
keep-alive
Content-Length
0
X-Ser
BC11_yd-obgp-guangdong-shenzhen-27-cache-2, BC12_US-Virginia-Ashburn-1-cache-1
iconfont.ttf
35699.co/images/
3 KB
3 KB
Font
General
Full URL
https://35699.co/images/iconfont.ttf?t=1719642215530
Requested by
Host: 35699.co
URL: https://35699.co/images/iconfont.css
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
45.114.171.236 , Hong Kong, ASN132839 (POWERLINE-AS-AP POWER LINE DATACENTER, HK),
Reverse DNS
Software
nginx /
Resource Hash
5d7643ec5215ad6b64dd7b794cfba3dae3cd3b503583644c384c494f5f5c13cd
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

Referer
https://35699.co/images/iconfont.css
Origin
https://35699.co
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

date
Thu, 01 Aug 2024 01:13:55 GMT
strict-transport-security
max-age=31536000
last-modified
Sat, 29 Jun 2024 06:23:36 GMT
server
nginx
etag
"667fa868-ce4"
content-type
application/octet-stream
accept-ranges
bytes
content-length
3300
favicon.ico
35699.co/
138 B
218 B
Other
General
Full URL
https://35699.co/favicon.ico
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
45.114.171.236 , Hong Kong, ASN132839 (POWERLINE-AS-AP POWER LINE DATACENTER, HK),
Reverse DNS
Software
nginx /
Resource Hash
301bd9f16f94feedfae7a946a14bac38cb73c43efe6117bc5586835af03d7d6f

Request headers

Referer
https://35699.co/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

date
Thu, 01 Aug 2024 01:13:55 GMT
server
nginx
etag
"668277c7-8a"
content-length
138
content-type
text/html

Verdicts & Comments Add Verdict or Comment

2 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| LA number| laWaitTime

12 Cookies

Domain/Path Name / Value
35699.co/ Name: __51uvsct__3J0M6Rqv9V8ylutP
Value: 1
35699.co/ Name: __51vcke__3J0M6Rqv9V8ylutP
Value: 2f071c99-8ecf-5e9c-a30c-17b52872005c
35699.co/ Name: __51vuft__3J0M6Rqv9V8ylutP
Value: 1722474823896
35699.co/ Name: __vtins__3J0M6Rqv9V8ylutP
Value: %7B%22sid%22%3A%20%2202618c63-5e78-59f9-b74e-e2c60902f4c0%22%2C%20%22vd%22%3A%202%2C%20%22stt%22%3A%20339%2C%20%22dr%22%3A%20339%2C%20%22expires%22%3A%201722476624231%2C%20%22ct%22%3A%201722474824231%7D
35699.co/ Name: __51uvsct__3J0MyYSuw5cu6SyK
Value: 1
35699.co/ Name: __51vcke__3J0MyYSuw5cu6SyK
Value: 8b1fb3c5-f9d4-5534-9ef8-93d185205d30
35699.co/ Name: __51vuft__3J0MyYSuw5cu6SyK
Value: 1722474824236
35699.co/ Name: __vtins__3J0MyYSuw5cu6SyK
Value: %7B%22sid%22%3A%20%22fdfed592-aeb1-5df0-a86d-3724cec0f842%22%2C%20%22vd%22%3A%202%2C%20%22stt%22%3A%20338%2C%20%22dr%22%3A%20338%2C%20%22expires%22%3A%201722476624573%2C%20%22ct%22%3A%201722474824573%7D
35699.co/ Name: __vtins__3J0G2pNs32rgUqRh
Value: %7B%22sid%22%3A%20%2207894a14-b14a-5872-a478-0109b80fca90%22%2C%20%22vd%22%3A%201%2C%20%22stt%22%3A%200%2C%20%22dr%22%3A%200%2C%20%22expires%22%3A%201722476624578%2C%20%22ct%22%3A%201722474824578%7D
35699.co/ Name: __51uvsct__3J0G2pNs32rgUqRh
Value: 1
35699.co/ Name: __51vcke__3J0G2pNs32rgUqRh
Value: 66e37cda-539d-511c-94cb-83e4bcbb1c14
35699.co/ Name: __51vuft__3J0G2pNs32rgUqRh
Value: 1722474824579

6 Console Messages

Source Level URL
Text
network error URL: https://collect-v6.51.la/v6/collect?dt=4
Message:
Failed to load resource: the server responded with a status of 405 (Method Not Allowed)
network error URL: https://collect-v6.51.la/v6/collect?dt=4
Message:
Failed to load resource: the server responded with a status of 405 (Method Not Allowed)
network error URL: https://collect-v6.51.la/v6/collect?dt=4
Message:
Failed to load resource: the server responded with a status of 406 (Not Acceptable)
network error URL: https://collect-v6.51.la/v6/collect?dt=4
Message:
Failed to load resource: the server responded with a status of 406 (Not Acceptable)
network error URL: https://collect-v6.51.la/v6/collect?dt=4
Message:
Failed to load resource: the server responded with a status of 406 (Not Acceptable)
network error URL: https://35699.co/favicon.ico
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=31536000