Submitted URL: http://l3eb.com/
Effective URL: https://l3eb.com/
Submission: On September 15 via api from US — Scanned from DE

Summary

This website contacted 4 IPs in 1 countries across 3 domains to perform 11 HTTP transactions. The main IP is 2606:4700:3034::6815:1c6f, located in United States and belongs to CLOUDFLARENET, US. The main domain is l3eb.com.
TLS certificate: Issued by WR1 on September 10th 2024. Valid for: 3 months.
This is the only time l3eb.com was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
6 2606:4700:303... 13335 (CLOUDFLAR...)
1 2606:4700::68... 13335 (CLOUDFLAR...)
2 2606:4700::68... 13335 (CLOUDFLAR...)
11 4
Apex Domain
Subdomains
Transfer
6 l3eb.com
l3eb.com
715 KB
2 cloudflare.com
challenges.cloudflare.com — Cisco Umbrella Rank: 3407
16 KB
1 cloudflareinsights.com
static.cloudflareinsights.com — Cisco Umbrella Rank: 670
7 KB
11 3
Domain Requested by
6 l3eb.com l3eb.com
2 challenges.cloudflare.com l3eb.com
challenges.cloudflare.com
1 static.cloudflareinsights.com l3eb.com
11 3

This site contains no links.

Subject Issuer Validity Valid
l3eb.com
WR1
2024-09-10 -
2024-12-09
3 months crt.sh
cloudflareinsights.com
WE1
2024-09-03 -
2024-12-02
3 months crt.sh
challenges.cloudflare.com
WE1
2024-09-05 -
2024-12-04
3 months crt.sh

This page contains 2 frames:

Primary Page: https://l3eb.com/
Frame ID: D10F1A7384817AE88B870531079A1727
Requests: 9 HTTP requests in this frame

Frame: https://challenges.cloudflare.com/cdn-cgi/challenge-platform/h/b/turnstile/if/ov2/av0/rcv0/0/3wu0s/0x4AAAAAAADnPIDROrmt1Wwj/light/fbE/normal/auto/
Frame ID: BEB281CF41CA0BF07F7F9C40A98E3A1C
Requests: 1 HTTP requests in this frame

Screenshot

Page Title

... لحظات

Page URL History Show full URLs

  1. http://l3eb.com/ HTTP 307
    https://l3eb.com/ Page URL

Detected technologies

Overall confidence: 100%
Detected patterns
  • static\.cloudflareinsights\.com/beacon(?:\.min)?\.js

Page Statistics

11
Requests

82 %
HTTPS

100 %
IPv6

3
Domains

3
Subdomains

4
IPs

1
Countries

783 kB
Transfer

2256 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. http://l3eb.com/ HTTP 307
    https://l3eb.com/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

11 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Primary Request /
l3eb.com/
Redirect Chain
  • http://l3eb.com/
  • https://l3eb.com/
989 KB
324 KB
Document
General
Full URL
https://l3eb.com/
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700:3034::6815:1c6f , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
b384ac3c381e5002abd4e4312b6107edf314708d5aa326eefc9c8e2b548b6c13
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

accept-ch
Sec-CH-UA-Bitness, Sec-CH-UA-Arch, Sec-CH-UA-Full-Version, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Platform, Sec-CH-UA, UA-Bitness, UA-Arch, UA-Full-Version, UA-Mobile, UA-Model, UA-Platform-Version, UA-Platform, UA
alt-svc
h3=":443"; ma=86400
cache-control
private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
cf-chl-out
Rsv/OyLq2moLq5N8HF3c+/pl66IBycnsFzzZD1Yzknts0mJJdlARbzKubtv906/if6PhlWNCbu0ZLK843TaRnXE1pfIg4CsvVRBb4OLmV7NB+sZiSw8ktbpMrkcQEvfAMPGLOFEfW54ckC8SYHPejg==$TWy+ZG7TdP7WuE6DX3BmBA==
cf-mitigated
challenge
cf-ray
8c3b68b69a9e972d-FRA
content-encoding
br
content-type
text/html; charset=UTF-8
critical-ch
Sec-CH-UA-Bitness, Sec-CH-UA-Arch, Sec-CH-UA-Full-Version, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Platform, Sec-CH-UA, UA-Bitness, UA-Arch, UA-Full-Version, UA-Mobile, UA-Model, UA-Platform-Version, UA-Platform, UA
cross-origin-embedder-policy
require-corp
cross-origin-opener-policy
same-origin
cross-origin-resource-policy
same-origin
date
Sun, 15 Sep 2024 20:36:27 GMT
expires
Thu, 01 Jan 1970 00:00:01 GMT
origin-agent-cluster
?1
permissions-policy
accelerometer=(),autoplay=(),browsing-topics=(),camera=(),clipboard-read=(),clipboard-write=(),geolocation=(),gyroscope=(),hid=(),interest-cohort=(),magnetometer=(),microphone=(),payment=(),publickey-credentials-get=(),screen-wake-lock=(),serial=(),sync-xhr=(),usb=()
referrer-policy
same-origin
server
cloudflare
strict-transport-security
max-age=15552000; preload
vary
Accept-Encoding
x-content-options
nosniff
x-content-type-options
nosniff
x-frame-options
SAMEORIGIN

Redirect headers

Location
https://l3eb.com/
Non-Authoritative-Reason
HttpsUpgrades
v1
l3eb.com/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/
152 KB
55 KB
Script
General
Full URL
https://l3eb.com/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=8c3b68b69a9e972d
Requested by
Host: l3eb.com
URL: https://l3eb.com/
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700:3034::6815:1c6f , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
8c7eab2adbfed42f2e1e54a462537bc7886512009cbaf36b1981c0101af75126
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; preload
X-Content-Type-Options nosniff

Request headers

Referer
https://l3eb.com/?__cf_chl_rt_tk=WTQpF9wJ1NajJDCw2b3.pw1TsxC1.6YQHVoLvtS1cOY-1726432587-0.0.1.1-6718
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

date
Sun, 15 Sep 2024 20:36:27 GMT
strict-transport-security
max-age=15552000; preload
x-content-type-options
nosniff
content-encoding
br
server
cloudflare
content-type
application/javascript; charset=UTF-8
cache-control
private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
cf-ray
8c3b68b82cad972d-FRA
alt-svc
h3=":443"; ma=86400
vcd15cbe7772f49c399c6a5babf22c1241717689176015
static.cloudflareinsights.com/beacon.min.js/
19 KB
7 KB
Script
General
Full URL
https://static.cloudflareinsights.com/beacon.min.js/vcd15cbe7772f49c399c6a5babf22c1241717689176015
Requested by
Host: l3eb.com
URL: https://l3eb.com/?__cf_chl_rt_tk=WTQpF9wJ1NajJDCw2b3.pw1TsxC1.6YQHVoLvtS1cOY-1726432587-0.0.1.1-6718
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:4f49 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
8a18d13015336bc184819a5a768447462202ef3105ec511bf42ed8304a7ed94f

Request headers

Referer
Origin
https://l3eb.com
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

date
Sun, 15 Sep 2024 20:36:27 GMT
content-encoding
gzip
last-modified
Thu, 06 Jun 2024 15:52:56 GMT
server
cloudflare
etag
W/"2024.6.1"
vary
Accept-Encoding
content-type
text/javascript;charset=UTF-8
access-control-allow-origin
*
cache-control
public, max-age=86400
cross-origin-resource-policy
cross-origin
cf-ray
8c3b68b84e62d2bf-FRA
truncated
/
45 KB
45 KB
Font
General
Full URL
data:truncated
Protocol
DATA
Server
-, , ASN (),
Reverse DNS
Software
/
Resource Hash
566cbe7aac3342ae92796081bf0c8eaf6b6ff1a7a22490cf8a4c0e6176092f06

Request headers

Referer
Origin
https://l3eb.com
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

Content-Type
application/octet-stream
c48f34ff-3d76-421a-8a1d-3f9379b61806
https://l3eb.com/ Frame
0
0

api.js
challenges.cloudflare.com/turnstile/v0/b/388c99dd0998/
46 KB
16 KB
Script
General
Full URL
https://challenges.cloudflare.com/turnstile/v0/b/388c99dd0998/api.js?onload=tmrM1&render=explicit
Requested by
Host: l3eb.com
URL: https://l3eb.com/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=8c3b68b69a9e972d
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700::6812:5f29 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
8eae5159c56bf66c17e0cb002b25fc2e343f3e009dc2a39a7e230f08b7b8c672

Request headers

Referer
Origin
https://l3eb.com
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

date
Sun, 15 Sep 2024 20:36:27 GMT
content-encoding
br
last-modified
Wed, 11 Sep 2024 15:58:53 GMT
server
cloudflare
vary
Accept-Encoding
content-type
application/javascript; charset=UTF-8
access-control-allow-origin
*
cache-control
max-age=31536000, stale-if-error=10800, stale-while-revalidate=31536000, public
cross-origin-resource-policy
cross-origin
cf-ray
8c3b68b88e0b65d4-FRA
alt-svc
h3=":443"; ma=86400
rum
l3eb.com/cdn-cgi/
0
72 B
XHR
General
Full URL
https://l3eb.com/cdn-cgi/rum?
Requested by
Host: l3eb.com
URL: https://l3eb.com/?__cf_chl_rt_tk=WTQpF9wJ1NajJDCw2b3.pw1TsxC1.6YQHVoLvtS1cOY-1726432587-0.0.1.1-6718
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700:3034::6815:1c6f , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Frame-Options DENY

Request headers

Referer
https://l3eb.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36
content-type
application/json

Response headers

date
Sun, 15 Sep 2024 20:36:27 GMT
x-content-type-options
nosniff
server
cloudflare
cf-ray
8c3b68b8dda7972d-FRA
x-frame-options
DENY
result
l3eb.com/cdn-cgi/bm/cv/
0
105 B
XHR
General
Full URL
https://l3eb.com/cdn-cgi/bm/cv/result?req_id=7373e51443bec4b4
Requested by
Host: l3eb.com
URL: https://l3eb.com/
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700:3034::6815:1c6f , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; preload
X-Content-Type-Options nosniff

Request headers

Referer
https://l3eb.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36
Content-Type
application/json

Response headers

date
Sun, 15 Sep 2024 20:36:27 GMT
strict-transport-security
max-age=15552000; preload
x-content-type-options
nosniff
server
cloudflare
cf-ray
8c3b68b8edc5972d-FRA
alt-svc
h3=":443"; ma=86400
favicon.6afd2bd2.png
l3eb.com/dist/
987 KB
322 KB
Other
General
Full URL
https://l3eb.com/dist/favicon.6afd2bd2.png
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700:3034::6815:1c6f , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
00eb3aa141b3fe98d8eb28cd07b4034d2d405d4def5acfa11dab5f9bd2fbf50a
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN

Request headers

Referer
https://l3eb.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

date
Sun, 15 Sep 2024 20:36:27 GMT
strict-transport-security
max-age=15552000; preload
x-content-type-options
nosniff
x-content-options
nosniff
content-encoding
br
cross-origin-embedder-policy
require-corp
critical-ch
Sec-CH-UA-Bitness, Sec-CH-UA-Arch, Sec-CH-UA-Full-Version, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Platform, Sec-CH-UA, UA-Bitness, UA-Arch, UA-Full-Version, UA-Mobile, UA-Model, UA-Platform-Version, UA-Platform, UA
cross-origin-resource-policy
same-origin
alt-svc
h3=":443"; ma=86400
cf-chl-out
qoeMMN9/pJy71IVtzQN6VKIHn34hxg9UddSJyJ2ClC+SVw6PsVOWhlPXs5TrP3O8oxCBG+5vSps26fWAziTw/f3RGdgJoMrTNn92FTe//+26aBzwD4rHHacWp2d+CSGsB+4T7oXii2N/3RsN7SuOoQ==$MGKq5/j+uEdJrU97xylEtw==
referrer-policy
same-origin
accept-ch
Sec-CH-UA-Bitness, Sec-CH-UA-Arch, Sec-CH-UA-Full-Version, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Platform, Sec-CH-UA, UA-Bitness, UA-Arch, UA-Full-Version, UA-Mobile, UA-Model, UA-Platform-Version, UA-Platform, UA
cross-origin-opener-policy
same-origin
cf-mitigated
challenge
server
cloudflare
x-frame-options
SAMEORIGIN
vary
Accept-Encoding
content-type
text/html; charset=UTF-8
origin-agent-cluster
?1
cache-control
private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
permissions-policy
accelerometer=(),autoplay=(),browsing-topics=(),camera=(),clipboard-read=(),clipboard-write=(),geolocation=(),gyroscope=(),hid=(),interest-cohort=(),magnetometer=(),microphone=(),payment=(),publickey-credentials-get=(),screen-wake-lock=(),serial=(),sync-xhr=(),usb=()
cf-ray
8c3b68b8edc7972d-FRA
expires
Thu, 01 Jan 1970 00:00:01 GMT
4c9cf2ceed17d7b
l3eb.com/cdn-cgi/challenge-platform/h/b/flow/ov1/1002803415:1726431058:dIm2kyI0tMGJYUgiHs1rBUpVPKUjTsulCPbS12Kw-OY/8c3b68b69a9e972d/
17 KB
13 KB
XHR
General
Full URL
https://l3eb.com/cdn-cgi/challenge-platform/h/b/flow/ov1/1002803415:1726431058:dIm2kyI0tMGJYUgiHs1rBUpVPKUjTsulCPbS12Kw-OY/8c3b68b69a9e972d/4c9cf2ceed17d7b
Requested by
Host: l3eb.com
URL: https://l3eb.com/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=8c3b68b69a9e972d
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700:3034::6815:1c6f , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
43ce268e57d7472b11ca50ff1536109570d02ba941d7299024262c800f6784ff
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; preload
X-Content-Type-Options nosniff

Request headers

Referer
https://l3eb.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36
CF-Challenge
4c9cf2ceed17d7b
Content-type
application/x-www-form-urlencoded

Response headers

date
Sun, 15 Sep 2024 20:36:27 GMT
strict-transport-security
max-age=15552000; preload
x-content-type-options
nosniff
content-encoding
br
server
cloudflare
content-type
text/plain; charset=UTF-8
cf-ray
8c3b68b92e30972d-FRA
alt-svc
h3=":443"; ma=86400
cf-chl-gen
TkEInv/QWfrc7c6dFDAbkfuNbdSA8tr073YC04+nU8jSxSN7WBV7ifA+KAJaIevvs5BoUXDnzw==$vMfHJf+VwmgAffCV
da416426-409f-4132-8127-779c5c41be4a
https://l3eb.com/ Frame
0
0

/
challenges.cloudflare.com/cdn-cgi/challenge-platform/h/b/turnstile/if/ov2/av0/rcv0/0/3wu0s/0x4AAAAAAADnPIDROrmt1Wwj/light/fbE/normal/auto/ Frame BEB2
0
0
Document
General
Full URL
https://challenges.cloudflare.com/cdn-cgi/challenge-platform/h/b/turnstile/if/ov2/av0/rcv0/0/3wu0s/0x4AAAAAAADnPIDROrmt1Wwj/light/fbE/normal/auto/
Requested by
Host: challenges.cloudflare.com
URL: https://challenges.cloudflare.com/turnstile/v0/b/388c99dd0998/api.js?onload=tmrM1&render=explicit
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700::6812:5f29 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
Security Headers
Name Value
Content-Security-Policy frame-src https://challenges.cloudflare.com/ blob:; base-uri 'self'

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

accept-ch
Sec-CH-UA-Bitness, Sec-CH-UA-Arch, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Platform, Sec-CH-UA, UA-Bitness, UA-Arch, UA-Full-Version, UA-Mobile, UA-Model, UA-Platform-Version, UA-Platform, UA
alt-svc
h3=":443"; ma=86400
cache-control
private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
cf-ray
8c3b68b9b87c03a0-FRA
content-encoding
br
content-security-policy
frame-src https://challenges.cloudflare.com/ blob:; base-uri 'self'
content-type
text/html; charset=UTF-8
critical-ch
Sec-CH-UA-Bitness, Sec-CH-UA-Arch, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Platform, Sec-CH-UA, UA-Bitness, UA-Arch, UA-Full-Version, UA-Mobile, UA-Model, UA-Platform-Version, UA-Platform, UA
cross-origin-embedder-policy
require-corp
cross-origin-opener-policy
same-origin
cross-origin-resource-policy
cross-origin
date
Sun, 15 Sep 2024 20:36:27 GMT
document-policy
js-profiling
origin-agent-cluster
?1
permissions-policy
accelerometer=(),autoplay=(),browsing-topics=(),camera=(),clipboard-read=(),clipboard-write=(),geolocation=(),gyroscope=(),hid=(),interest-cohort=(),magnetometer=(),microphone=(),payment=(),publickey-credentials-get=(),screen-wake-lock=(),serial=(),sync-xhr=(),usb=()
referrer-policy
same-origin
server
cloudflare

Failed requests

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

Domain
l3eb.com
URL
blob:https://l3eb.com/c48f34ff-3d76-421a-8a1d-3f9379b61806
Domain
l3eb.com
URL
blob:https://l3eb.com/da416426-409f-4132-8127-779c5c41be4a

Verdicts & Comments Add Verdict or Comment

22 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| a0_0x433e function| a0_0x3d7e object| _cf_chl_opt object| __CF$cv$params object| __cfBeacon function| JJRHZ6 function| ciUn6 object| twswo3 object| DaPX4 function| aFPe5 function| fVlBp1 function| tmrM1 boolean| NfjDe3 function| WEkH5 function| WgoI3 object| dNWjt8 number| XVGd6 object| angular object| turnstile boolean| yTUQp3 string| UOFVA0 boolean| XMQxS5

0 Cookies

3 Console Messages

Source Level URL
Text
network error URL: https://l3eb.com/
Message:
Failed to load resource: the server responded with a status of 403 ()
network error URL: https://l3eb.com/cdn-cgi/bm/cv/result?req_id=7373e51443bec4b4
Message:
Failed to load resource: the server responded with a status of 404 ()
network error URL: https://l3eb.com/dist/favicon.6afd2bd2.png
Message:
Failed to load resource: the server responded with a status of 403 ()

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=15552000; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN