Submitted URL: https://offerup.co/0U5lch4HSob?$deeplink_path=/item/detail/f17f0cc1-ae23-373c-847f-e1b01342060c&$fallback_url=https...
Effective URL: https://offerup.com/unavailable/geo
Submission: On October 17 via api from US — Scanned from DE

Summary

This website contacted 2 IPs in 1 countries across 3 domains to perform 5 HTTP transactions. The main IP is 172.64.152.121, located in San Francisco, United States and belongs to CLOUDFLARENET, US. The main domain is offerup.com. The Cisco Umbrella rank of the primary domain is 31407.
TLS certificate: Issued by WE1 on October 5th 2024. Valid for: 3 months.
This is the only time offerup.com was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
1 1 50.18.77.146 16509 (AMAZON-02)
1 1 2600:9000:206... 16509 (AMAZON-02)
1 6 172.64.152.121 13335 (CLOUDFLAR...)
5 2
Apex Domain
Subdomains
Transfer
6 offerup.com
offerup.com — Cisco Umbrella Rank: 31407
40 KB
1 app.link
offerup.app.link — Cisco Umbrella Rank: 645338
849 B
1 offerup.co
offerup.co — Cisco Umbrella Rank: 437888
659 B
5 3
Domain Requested by
6 offerup.com 1 redirects offerup.com
1 offerup.app.link 1 redirects
1 offerup.co 1 redirects
5 3

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

Domain
help.offerup.com
Subject Issuer Validity Valid
offerup.com
WE1
2024-10-05 -
2025-01-03
3 months crt.sh

This page contains 2 frames:

Primary Page: https://offerup.com/unavailable/geo
Frame ID: 1882272560085A5198FD1796AC754BAF
Requests: 4 HTTP requests in this frame

Frame: https://offerup.com/cdn-cgi/challenge-platform/h/b/scripts/jsd/62ec4f065604/main.js
Frame ID: AE1FA59CE76F5AE616C7A6776361CF7C
Requests: 2 HTTP requests in this frame

Screenshot


Page URL History Show full URLs

  1. https://offerup.co/0U5lch4HSob?$deeplink_path=/item/detail/f17f0cc1-ae23-373c-847f-e1b01342060c... HTTP 307
    https://offerup.app.link/0U5lch4HSob?$deeplink_path=/item/detail/f17f0cc1-ae23-373c-847f-e1b01342060c... HTTP 307
    https://offerup.com/item/detail/f17f0cc1-ae23-373c-847f-e1b01342060c?%24deeplink_path=%2Fitem%2F... Page URL
  2. https://offerup.com/unavailable/geo Page URL

Page Statistics

5
Requests

80 %
HTTPS

33 %
IPv6

3
Domains

3
Subdomains

2
IPs

1
Countries

39 kB
Transfer

80 kB
Size

4
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://offerup.co/0U5lch4HSob?$deeplink_path=/item/detail/f17f0cc1-ae23-373c-847f-e1b01342060c&$fallback_url=https://offerup.com/item/detail/f17f0cc1-ae23-373c-847f-e1b01342060c HTTP 307
    https://offerup.app.link/0U5lch4HSob?$deeplink_path=/item/detail/f17f0cc1-ae23-373c-847f-e1b01342060c&$fallback_url=https://offerup.com/item/detail/f17f0cc1-ae23-373c-847f-e1b01342060c&_p=c41129c39c037af1e71f90faef HTTP 307
    https://offerup.com/item/detail/f17f0cc1-ae23-373c-847f-e1b01342060c?%24deeplink_path=%2Fitem%2Fdetail%2Ff17f0cc1-ae23-373c-847f-e1b01342060c&_branch_match_id=1375308995506840083&_branch_referrer=H4sIAAAAAAAAA52NywrCMBREv6buYvPSihBEBHEvrktye2NC0yakKe78duPKvTAws5lzXClpObZttBbzmrYQW%2FrYBXDydo%2Fm1HA5IKbg57FPujjV8KsvONUasGgf6rCssxSAEY1cENEJIAfZWYLMUCYkp3sKmwqyOgSjYezXHJT7ehtxrv%2Ban336V%2FDOWBnZz8%2Fe5PhaMKuLy3HCD%2BpmNLriAAAA Page URL
  2. https://offerup.com/unavailable/geo Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

Request Chain 0
  • https://offerup.co/0U5lch4HSob?$deeplink_path=/item/detail/f17f0cc1-ae23-373c-847f-e1b01342060c&$fallback_url=https://offerup.com/item/detail/f17f0cc1-ae23-373c-847f-e1b01342060c HTTP 307
  • https://offerup.app.link/0U5lch4HSob?$deeplink_path=/item/detail/f17f0cc1-ae23-373c-847f-e1b01342060c&$fallback_url=https://offerup.com/item/detail/f17f0cc1-ae23-373c-847f-e1b01342060c&_p=c41129c39c037af1e71f90faef HTTP 307
  • https://offerup.com/item/detail/f17f0cc1-ae23-373c-847f-e1b01342060c?%24deeplink_path=%2Fitem%2Fdetail%2Ff17f0cc1-ae23-373c-847f-e1b01342060c&_branch_match_id=1375308995506840083&_branch_referrer=H4sIAAAAAAAAA52NywrCMBREv6buYvPSihBEBHEvrktye2NC0yakKe78duPKvTAws5lzXClpObZttBbzmrYQW%2FrYBXDydo%2Fm1HA5IKbg57FPujjV8KsvONUasGgf6rCssxSAEY1cENEJIAfZWYLMUCYkp3sKmwqyOgSjYezXHJT7ehtxrv%2Ban336V%2FDOWBnZz8%2Fe5PhaMKuLy3HCD%2BpmNLriAAAA
Request Chain 2
  • https://offerup.com/cdn-cgi/challenge-platform/scripts/jsd/main.js HTTP 302
  • https://offerup.com/cdn-cgi/challenge-platform/h/b/scripts/jsd/62ec4f065604/main.js

5 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
f17f0cc1-ae23-373c-847f-e1b01342060c
offerup.com/item/detail/
Redirect Chain
  • https://offerup.co/0U5lch4HSob?$deeplink_path=/item/detail/f17f0cc1-ae23-373c-847f-e1b01342060c&$fallback_url=https://offerup.com/item/detail/f17f0cc1-ae23-373c-847f-e1b01342060c
  • https://offerup.app.link/0U5lch4HSob?$deeplink_path=/item/detail/f17f0cc1-ae23-373c-847f-e1b01342060c&$fallback_url=https://offerup.com/item/detail/f17f0cc1-ae23-373c-847f-e1b01342060c&_p=c41129c39...
  • https://offerup.com/item/detail/f17f0cc1-ae23-373c-847f-e1b01342060c?%24deeplink_path=%2Fitem%2Fdetail%2Ff17f0cc1-ae23-373c-847f-e1b01342060c&_branch_match_id=1375308995506840083&_branch_referrer=H...
1 KB
1 KB
Document
General
Full URL
https://offerup.com/item/detail/f17f0cc1-ae23-373c-847f-e1b01342060c?%24deeplink_path=%2Fitem%2Fdetail%2Ff17f0cc1-ae23-373c-847f-e1b01342060c&_branch_match_id=1375308995506840083&_branch_referrer=H4sIAAAAAAAAA52NywrCMBREv6buYvPSihBEBHEvrktye2NC0yakKe78duPKvTAws5lzXClpObZttBbzmrYQW%2FrYBXDydo%2Fm1HA5IKbg57FPujjV8KsvONUasGgf6rCssxSAEY1cENEJIAfZWYLMUCYkp3sKmwqyOgSjYezXHJT7ehtxrv%2Ban336V%2FDOWBnZz8%2Fe5PhaMKuLy3HCD%2BpmNLriAAAA
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_128_GCM
Server
172.64.152.121 San Francisco, United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
Security Headers
Name Value
Strict-Transport-Security max-age=2592000

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36

Response headers

CF-RAY
8d3d5d3c5d25d2a0-FRA
Connection
keep-alive
Content-Encoding
gzip
Content-Type
text/html
Date
Thu, 17 Oct 2024 03:57:23 GMT
NEL
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
Report-To
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=3i2L6OakciLSEoGDGYhnGU2GVHBDnIAKuPXncsvuB6wH%2BKDLxhSblfdGyvjjzFmMGOLfR1Z8X%2FEPL4R6%2BB3u4ENr%2Btln9TEJvAJW8qIRRsdzYmmse5mdfWHgPAPB"}],"group":"cf-nel","max_age":604800}
Server
cloudflare
Strict-Transport-Security
max-age=2592000
Transfer-Encoding
chunked
Vary
Accept-Encoding

Redirect headers

accept-ch
Sec-CH-UA-Platform-Version,Sec-CH-UA-Model
content-security-policy
frame-ancestors 'self'
date
Thu, 17 Oct 2024 03:57:23 GMT
last-modified
Thu, 17 Oct 2024 03:57:23 GMT
location
https://offerup.com/item/detail/f17f0cc1-ae23-373c-847f-e1b01342060c?%24deeplink_path=%2Fitem%2Fdetail%2Ff17f0cc1-ae23-373c-847f-e1b01342060c&_branch_match_id=1375308995506840083&_branch_referrer=H4sIAAAAAAAAA52NywrCMBREv6buYvPSihBEBHEvrktye2NC0yakKe78duPKvTAws5lzXClpObZttBbzmrYQW%2FrYBXDydo%2Fm1HA5IKbg57FPujjV8KsvONUasGgf6rCssxSAEY1cENEJIAfZWYLMUCYkp3sKmwqyOgSjYezXHJT7ehtxrv%2Ban336V%2FDOWBnZz8%2Fe5PhaMKuLy3HCD%2BpmNLriAAAA
server
openresty
strict-transport-security
max-age=31536000; includeSubDomains
via
1.1 547a50460a0cda7ae3dafb1c0b6d0e1a.cloudfront.net (CloudFront)
x-amz-cf-id
MavC-PNLZKlaZ8FfVTtJth2gtA0PJjqLoUH0egbRA09fmpgM-lR9dw==
x-amz-cf-pop
FRA56-C1
x-cache
Miss from cloudfront
Primary Request geo
offerup.com/unavailable/
44 KB
31 KB
Document
General
Full URL
https://offerup.com/unavailable/geo
Requested by
Host: offerup.com
URL: https://offerup.com/item/detail/f17f0cc1-ae23-373c-847f-e1b01342060c?%24deeplink_path=%2Fitem%2Fdetail%2Ff17f0cc1-ae23-373c-847f-e1b01342060c&_branch_match_id=1375308995506840083&_branch_referrer=H4sIAAAAAAAAA52NywrCMBREv6buYvPSihBEBHEvrktye2NC0yakKe78duPKvTAws5lzXClpObZttBbzmrYQW%2FrYBXDydo%2Fm1HA5IKbg57FPujjV8KsvONUasGgf6rCssxSAEY1cENEJIAfZWYLMUCYkp3sKmwqyOgSjYezXHJT7ehtxrv%2Ban336V%2FDOWBnZz8%2Fe5PhaMKuLy3HCD%2BpmNLriAAAA
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_128_GCM
Server
172.64.152.121 San Francisco, United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
84ccb3e9a3ee57339c61f7723f56a417877b6f188981525ad86e72c3c5c77f30
Security Headers
Name Value
Strict-Transport-Security max-age=2592000

Request headers

Referer
https://offerup.com/item/detail/f17f0cc1-ae23-373c-847f-e1b01342060c?%24deeplink_path=%2Fitem%2Fdetail%2Ff17f0cc1-ae23-373c-847f-e1b01342060c&_branch_match_id=1375308995506840083&_branch_referrer=H4sIAAAAAAAAA52NywrCMBREv6buYvPSihBEBHEvrktye2NC0yakKe78duPKvTAws5lzXClpObZttBbzmrYQW%2FrYBXDydo%2Fm1HA5IKbg57FPujjV8KsvONUasGgf6rCssxSAEY1cENEJIAfZWYLMUCYkp3sKmwqyOgSjYezXHJT7ehtxrv%2Ban336V%2FDOWBnZz8%2Fe5PhaMKuLy3HCD%2BpmNLriAAAA
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36

Response headers

CF-RAY
8d3d5d3c9d81d2a0-FRA
Connection
keep-alive
Content-Encoding
gzip
Content-Type
text/html;charset=UTF-8
Date
Thu, 17 Oct 2024 03:57:23 GMT
NEL
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
Report-To
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=4FvEYTLrKv%2FjJqEtMekfafPSIojMxKv6jqCA1zrq%2Br8TtKaZwgzDt2K7m5MrcCoqnW0E32oPdYKIU6Smr9Z5ozUfIM1ZzwTkCCelMMtt48Dgh6tSvaRFftV46cla"}],"group":"cf-nel","max_age":604800}
Server
cloudflare
Strict-Transport-Security
max-age=2592000
Transfer-Encoding
chunked
Vary
Accept-Encoding
truncated
/
27 KB
0
Image
General
Full URL
data:truncated
Protocol
DATA
Server
-, , ASN (),
Reverse DNS
Software
/
Resource Hash
8d7f40ebdf5d1bfcb0700b94cdbd9cfacc45e6563150b5c8da2f6056676d7789

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36
Referer

Response headers

Content-Type
image/png
main.js
offerup.com/cdn-cgi/challenge-platform/h/b/scripts/jsd/62ec4f065604/ Frame AE1F
Redirect Chain
  • https://offerup.com/cdn-cgi/challenge-platform/scripts/jsd/main.js
  • https://offerup.com/cdn-cgi/challenge-platform/h/b/scripts/jsd/62ec4f065604/main.js?
8 KB
4 KB
Script
General
Full URL
https://offerup.com/cdn-cgi/challenge-platform/h/b/scripts/jsd/62ec4f065604/main.js?
Protocol
HTTP/1.1
Server
172.64.152.121 San Francisco, United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
cc565cdbaf7be41ccf2c8b5ff98b423714efbb37746d6d6ba6f9525c6bba37b9
Security Headers
Name Value
Strict-Transport-Security max-age=2592000
X-Content-Type-Options nosniff

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36
Referer

Response headers

Transfer-Encoding
chunked
Strict-Transport-Security
max-age=2592000
cache-control
max-age=14400, stale-if-error=10800, stale-while-revalidate=10800, public
NEL
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
Content-Encoding
gzip
Connection
keep-alive
Report-To
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=PZBSuUKl8yQITJF2kT26CYe9sxvvBWU5NVD7a2Qo7BkCNRwpVhtRyreKtJ99nJm8hRmtIaFF0y%2F6RgEiYvk%2FMvBbTm6sidgQz7uWZA0EvpNsxWrlFjNqwaX94XWH"}],"group":"cf-nel","max_age":604800}
x-content-type-options
nosniff
CF-RAY
8d3d5d3d0e18d2a0-FRA
Date
Thu, 17 Oct 2024 03:57:23 GMT
Content-Type
application/javascript; charset=UTF-8
Server
cloudflare

Redirect headers

Strict-Transport-Security
max-age=2592000
cache-control
max-age=300, stale-if-error=10800, stale-while-revalidate=10800, public
location
/cdn-cgi/challenge-platform/h/b/scripts/jsd/62ec4f065604/main.js?
NEL
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
Connection
keep-alive
Report-To
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=8LLd6XMouEBH0KkqfMumDW7NaDZYQQshWOTfSQ9fWGxZY%2BDnQKD7tPtHDv6gSWF2crb7UFfMFxczdZpaoCIzGpwCbcSjEoM2cuH7sbUTzya51%2BF0meHFAF28xeFc"}],"group":"cf-nel","max_age":604800}
CF-RAY
8d3d5d3cede6d2a0-FRA
access-control-allow-origin
*
Content-Length
0
Date
Thu, 17 Oct 2024 03:57:23 GMT
Server
cloudflare
favicon.ico
offerup.com/
227 B
774 B
Other
General
Full URL
https://offerup.com/favicon.ico
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_128_GCM
Server
172.64.152.121 San Francisco, United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
f68976929491379e914d5e22d5d55d4bcad96c719795fdc32cbc9cebd8d6bba8
Security Headers
Name Value
Strict-Transport-Security max-age=2592000

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36
Referer
https://offerup.com/unavailable/geo

Response headers

Transfer-Encoding
chunked
Strict-Transport-Security
max-age=2592000
NEL
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
Content-Encoding
gzip
Connection
keep-alive
Report-To
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=zj30r3liMaGYgCWHQ8%2FY%2FNy7kHMmv8fOD27a%2BvbqC7PtHxVs5JULR38NG3RMF21Pt95SqCt2w1SgcMrWKZyMxa3wHs5lngILsZjug6hEnvBpEhY77kai24GzcUUZ"}],"group":"cf-nel","max_age":604800}
CF-RAY
8d3d5d3d09dd9f34-FRA
Date
Thu, 17 Oct 2024 03:57:23 GMT
Content-Type
text/html
Vary
Accept-Encoding
Server
cloudflare
8d3d5d3c9d81d2a0
offerup.com/cdn-cgi/challenge-platform/h/b/jsd/r/ Frame AE1F
0
1 KB
XHR
General
Full URL
https://offerup.com/cdn-cgi/challenge-platform/h/b/jsd/r/8d3d5d3c9d81d2a0
Requested by
Host: offerup.com
URL: https://offerup.com/cdn-cgi/challenge-platform/scripts/jsd/main.js
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_128_GCM
Server
172.64.152.121 San Francisco, United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
Security Headers
Name Value
Strict-Transport-Security max-age=2592000

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36
Content-Type
application/json
Referer

Response headers

Strict-Transport-Security
max-age=2592000
NEL
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
Connection
keep-alive
Report-To
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=MDgfxpLm1MFDUieaBNZl%2F%2FXue7M3Vn7MZRoB9jdT7jT64vl5MTkQLlB32jF3wDDtr1mJuSrO9UF3XcpeKBt3A7CnsT%2BoBcsfC7m6yXkm%2BdqX4l7fOb%2BWxc%2B1a0vC"}],"group":"cf-nel","max_age":604800}
CF-RAY
8d3d5d3d8eb5d2a0-FRA
Content-Length
0
Date
Thu, 17 Oct 2024 03:57:23 GMT
Content-Type
text/plain; charset=UTF-8
Server
cloudflare

Verdicts & Comments Add Verdict or Comment

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| 0

4 Cookies

Domain/Path Name / Value
offerup.co/ Name: _s
Value: GK2E2%2FzLEwx83CE7Px0mSYI66R70B0MLjEFJsnqj24gQW1fvhBkPNaU3Io8NVmLD
.app.link/ Name: _s
Value: JBMadhx1%2BrCJR2rgxJ4T0iTLzECrBba%2Fx9qlwvMF0BZ0xC8BHjV4GeqxmZWoJonM
.offerup.com/ Name: __cf_bm
Value: LWJ1582eioaWDiDqI6uO.k9UOCWmkAwgJSdFpd7FR_k-1729137443-1.0.1.1-vuQel.L5S5pKXhmjg5uxytpzZlwXCgVi_FKqHMnB.O4FmTdlbAA3RFa.axDd7UJ3kpjFIKTbQ4zCUn52gxaLcQ
.offerup.com/ Name: cf_clearance
Value: jGy5FuKELmZuCmmHb9cKaA3nOPq7aQGjOzmg2Q0e7MY-1729137443-1.2.1.1-3PfkkPkzS3AbjpY69l41ywvLJ2UxcA7nwXGJC1RcIxQxefC9LnO7S_8zB8VpcGwptcuFCYVpMCWj4jLQdg.diXlhk8b3tgu0pQmTLTRMwZtV5QwJLTOExGrCUEOxl4ZxYLGNrsyr5tVIM7ymyznfNY2twt6ly9vbK6Hj2KpeLbPUtR0gf8g4SPuL1Hq.CxyWUkKSxoARgw.nlLtor5xdQv_mZYlbEvxBzU7D_7J3JKNyMtNGspJBBvgyDonlU6F3AdHQN9sGCyk_SPUTGvJ_lcMSRvqFHw9KWFY7eq1EnwCBqVu0h38c07ojBxc0kxbadkfUF1AVeNIuEmYsCQFA4MKguL11wy1ERv2xtqqsTBMWnlbmjzd5R4qc4_awD0rS

2 Console Messages

Source Level URL
Text
network error URL: https://offerup.com/item/detail/f17f0cc1-ae23-373c-847f-e1b01342060c?%24deeplink_path=%2Fitem%2Fdetail%2Ff17f0cc1-ae23-373c-847f-e1b01342060c&_branch_match_id=1375308995506840083&_branch_referrer=H4sIAAAAAAAAA52NywrCMBREv6buYvPSihBEBHEvrktye2NC0yakKe78duPKvTAws5lzXClpObZttBbzmrYQW%2FrYBXDydo%2Fm1HA5IKbg57FPujjV8KsvONUasGgf6rCssxSAEY1cENEJIAfZWYLMUCYkp3sKmwqyOgSjYezXHJT7ehtxrv%2Ban336V%2FDOWBnZz8%2Fe5PhaMKuLy3HCD%2BpmNLriAAAA
Message:
Failed to load resource: the server responded with a status of 403 (Forbidden)
network error URL: https://offerup.com/favicon.ico
Message:
Failed to load resource: the server responded with a status of 403 (Forbidden)

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=2592000