URL: https://baisekj.com/
Submission: On September 03 via api from US — Scanned from DE

Summary

This website contacted 12 IPs in 2 countries across 8 domains to perform 15 HTTP transactions. The main IP is 172.67.139.206, located in United States and belongs to CLOUDFLARENET, US. The main domain is baisekj.com.
TLS certificate: Issued by WE1 on August 4th 2024. Valid for: 3 months.
This is the only time baisekj.com was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

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

Domain
www.cloudflare.com
support.cloudflare.com
Subject Issuer Validity Valid
baisekj.com
WE1
2024-08-04 -
2024-11-02
3 months crt.sh
radar.cloudflare.com
WE1
2024-08-28 -
2024-11-26
3 months crt.sh
*.jsdelivr.net
Sectigo RSA Domain Validation Secure Server CA
2024-05-04 -
2025-05-04
a year crt.sh
ptcfc.com
WE1
2024-08-10 -
2024-11-08
3 months crt.sh
jsdelivr.net
GlobalSign Atlas R3 DV TLS CA 2024 Q3
2024-07-30 -
2025-08-31
a year crt.sh
essl-cdxs.test.edgekey.net
R10
2024-07-04 -
2024-10-02
3 months crt.sh
rpki.cloudflare.com
WE1
2024-08-11 -
2024-11-09
3 months crt.sh
compute-pipe.com
E6
2024-07-27 -
2024-10-25
3 months crt.sh
*.cloudfront.net
Amazon RSA 2048 M01
2024-07-30 -
2025-07-03
a year crt.sh
*.edgecompute.app
GlobalSign Atlas R3 DV TLS CA 2024 Q1
2024-01-27 -
2025-02-27
a year crt.sh

This page contains 1 frames:

Primary Page: https://baisekj.com/
Frame ID: 5F9F925D110DD696D880E163AE19DFD1
Requests: 15 HTTP requests in this frame

Screenshot

Page Title

Origin DNS error | baisekj.com | Cloudflare

Page Statistics

15
Requests

93 %
HTTPS

73 %
IPv6

8
Domains

13
Subdomains

12
IPs

2
Countries

424 kB
Transfer

430 kB
Size

1
Cookies

Redirected requests

There were HTTP redirect chains for the following requests:

15 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Primary Request /
baisekj.com/
6 KB
7 KB
Document
General
Full URL
https://baisekj.com/
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
172.67.139.206 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
cf90d6c4e41402a635121f52eb8b2ebc7d4301f8f0a55c95c8c345fe8e2a6469
Security Headers
Name Value
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

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
8bd6c4882850038e-FRA
content-length
6183
content-type
text/html; charset=UTF-8
date
Tue, 03 Sep 2024 15:28:06 GMT
expires
Thu, 01 Jan 1970 00:00:01 GMT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
referrer-policy
same-origin
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=jIx8zNhXYrdJRJ8ul7PNOwHH2azH%2BZaJ7I9rgPzlZUQ59lsKc9ym%2BfCnzFKJlgkuiWWsvqHfOHCWHsMRxW6RP4DVEFIYsG%2Fw4AThdwR9ehWOMJiuuxm0imGBnNZ5TQ%3D%3D"}],"group":"cf-nel","max_age":604800}
server
cloudflare
x-frame-options
SAMEORIGIN
main.css
baisekj.com/cdn-cgi/styles/
8 KB
2 KB
Stylesheet
General
Full URL
https://baisekj.com/cdn-cgi/styles/main.css
Requested by
Host: baisekj.com
URL: https://baisekj.com/
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
172.67.139.206 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
d30b4ea6f68456672f5abb35e9dcf7d54226372b66e9d60a7ee26b7a52568e74
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Frame-Options DENY

Request headers

Referer
https://baisekj.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
Tue, 03 Sep 2024 15:28:06 GMT
content-encoding
gzip
x-content-type-options
nosniff
last-modified
Tue, 27 Aug 2024 19:10:22 GMT
server
cloudflare
etag
W/"66ce249e-1f4d"
x-frame-options
DENY
vary
Accept-Encoding
content-type
text/css
cache-control
max-age=7200, public
cf-ray
8bd6c48a5b38038e-FRA
expires
Tue, 03 Sep 2024 17:28:06 GMT
beacon.js
performance.radar.cloudflare.com/
10 KB
4 KB
Script
General
Full URL
https://performance.radar.cloudflare.com/beacon.js
Requested by
Host: baisekj.com
URL: https://baisekj.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6812:1f4e , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
38dbc0c65667ff4a205eac7318842a57b87eaf387eae839f9e7ccbd0f56887e3
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains
X-Content-Type-Options nosniff

Request headers

Referer
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
Tue, 03 Sep 2024 15:28:07 GMT
strict-transport-security
max-age=15552000; includeSubDomains
referrer-policy
no-referrer
x-content-type-options
nosniff
content-encoding
br
server
cloudflare
vary
Accept-Encoding
access-control-allow-methods
*
content-type
text/javascript;charset=UTF-8
access-control-allow-origin
*
cache-control
no-store, max-age=0
timing-allow-origin
*
access-control-allow-headers
*
alt-svc
h3=":443"; ma=86400
cf-ray
8bd6c48ccb4ed292-FRA
r20-100KB.png
testingcf.jsdelivr.net/gh/jimaek/testobjects@0.0.1/
100 KB
101 KB
Image
General
Full URL
https://testingcf.jsdelivr.net/gh/jimaek/testobjects@0.0.1/r20-100KB.png?r=49214313
Requested by
Host: baisekj.com
URL: https://baisekj.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6812:ba1f , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
27bce9e85eaf3567a4695ba2b612e32615394d80d0a3a2dcb07b1fbfdfababc7
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

Referer
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
Tue, 03 Sep 2024 15:28:07 GMT
strict-transport-security
max-age=31536000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
nel
{"success_fraction":0.01,"report_to":"cf-nel","max_age":604800}
age
1012536
x-jsd-version
0.0.1
x-cache
HIT, MISS
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=86400
content-length
102400
x-served-by
cache-fra-eddf8230021-FRA, cache-lga21961-LGA
x-jsd-version-type
version
server
cloudflare
etag
W/"19000-qSJ5YZCh9buzxBDG7FkVAgUN8E4"
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=uWmmGcJPlHx7RPFPwJUL%2FsbIdIkcy%2BBNqREtKOfl7vQ742vXbVpbPd6BA6qWdKi5Hyd38TI%2F%2BMLpUU5UTADyIUgiB2C8apSUZkA5XTf9AcXGRzj8%2FBgKxP%2BS4tXpQzjwOjerN6gKthZ2384bgszlo%2Bhg4l4%3D"}],"group":"cf-nel","max_age":604800}
content-type
image/png
access-control-allow-origin
*
access-control-expose-headers
*
cache-control
public, max-age=31536000, s-maxage=31536000, immutable
accept-ranges
bytes
timing-allow-origin
*
cf-ray
8bd6c4908d201e32-FRA
r20-100KB.png
ptcfc.com/img/284/
100 KB
100 KB
Image
General
Full URL
https://ptcfc.com/img/284/r20-100KB.png?r=31251231
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
172.66.0.201 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
27bce9e85eaf3567a4695ba2b612e32615394d80d0a3a2dcb07b1fbfdfababc7

Request headers

Referer
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
Tue, 03 Sep 2024 15:28:08 GMT
server
cloudflare
etag
"5668b8ac-19000"
vary
Accept-Encoding
content-type
image/png
access-control-allow-origin
*
access-control-expose-headers
*
cache-control
public, max-age=31536000
timing-allow-origin
*
cf-ray
8bd6c4958d87cabd-HAM
content-length
102400
favicon.ico
baisekj.com/
6 KB
7 KB
Other
General
Full URL
https://baisekj.com/favicon.ico
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
172.67.139.206 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
5a92d50f899f586d59f97bd81dae3d56799492289833276b11b1597b938abd45
Security Headers
Name Value
X-Frame-Options SAMEORIGIN

Request headers

Referer
https://baisekj.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
Tue, 03 Sep 2024 15:28:08 GMT
referrer-policy
same-origin
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server
cloudflare
x-frame-options
SAMEORIGIN
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=qWpQaaYrOO6zOfNVzIpCz%2BdjVtRZhSJui9wNHIKbYhPZ3VEZebIGe66oh%2FBMiiyWMjMhdefQ3rpms%2B6cpf08uhe4SJdS2QJ%2BXq5pO4Bp1DLvz%2F9Zqx80jiHr1uX04Q%3D%3D"}],"group":"cf-nel","max_age":604800}
content-type
text/html; charset=UTF-8
cache-control
private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
cf-ray
8bd6c4958873038e-FRA
alt-svc
h3=":443"; ma=86400
content-length
6183
expires
Thu, 01 Jan 1970 00:00:01 GMT
r20-100KB.png
fastly.jsdelivr.net/gh/jimaek/testobjects@0.0.1/
100 KB
101 KB
Image
General
Full URL
https://fastly.jsdelivr.net/gh/jimaek/testobjects@0.0.1/r20-100KB.png?r=98441408
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a04:4e42::485 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
/
Resource Hash
27bce9e85eaf3567a4695ba2b612e32615394d80d0a3a2dcb07b1fbfdfababc7
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

Referer
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

strict-transport-security
max-age=31536000; includeSubDomains; preload
date
Tue, 03 Sep 2024 15:28:09 GMT
x-content-type-options
nosniff
age
2437253
x-jsd-version
0.0.1
x-cache
HIT, HIT
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443";ma=86400,h3-29=":443";ma=86400,h3-27=":443";ma=86400
content-length
102400
x-served-by
cache-fra-eddf8230158-FRA, cache-mxp6941-MXP
x-jsd-version-type
version
etag
W/"19000-qSJ5YZCh9buzxBDG7FkVAgUN8E4"
vary
Accept-Encoding
content-type
image/png
access-control-allow-origin
*
access-control-expose-headers
*
cache-control
public, max-age=31536000, s-maxage=31536000, immutable
accept-ranges
bytes
timing-allow-origin
*
r20-100KB.png
essl-cdxs.edgekey.net/img/
100 KB
100 KB
Image
General
Full URL
https://essl-cdxs.edgekey.net/img/r20-100KB.png?r=51433018
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_256_GCM
Server
2.18.64.82 Frankfurt am Main, Germany, ASN20940 (AKAMAI-ASN1, NL),
Reverse DNS
a2-18-64-82.deploy.static.akamaitechnologies.com
Software
nginx /
Resource Hash
27bce9e85eaf3567a4695ba2b612e32615394d80d0a3a2dcb07b1fbfdfababc7

Request headers

Referer
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
Tue, 03 Sep 2024 15:28:10 GMT
Last-Modified
Wed, 07 Sep 2022 08:47:01 GMT
Server
nginx
ETag
"63185a85-19000"
X-Cache
RequestInfo=3317654146,2.20.179.160,74484a,1725377290,48106,39,363294
Content-Type
image/png
Access-Control-Allow-Origin
*
Cache-Control
public, max-age=2629743
Connection
keep-alive
Accept-Ranges
bytes
Timing-Allow-Origin
*
Content-Length
102400
Expires
Fri, 04 Oct 2024 01:57:13 GMT
/
valid.rpki.cloudflare.com/
60 B
513 B
Fetch
General
Full URL
https://valid.rpki.cloudflare.com/?r=81619653
Requested by
Host: performance.radar.cloudflare.com
URL: https://performance.radar.cloudflare.com/beacon.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6811:e606 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
e25745ef554f7615aa781c11d412abb6ac0a09bfe3bffc3e68fe311ef936ca49

Request headers

Referer
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
Tue, 03 Sep 2024 15:28:10 GMT
content-encoding
gzip
nel
{"success_fraction":0.01,"report_to":"cf-nel","max_age":604800}
server
cloudflare
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=GzdODcbhl2jE64XX0aMX%2BLNlAJ4UzAR4irbcpMIEf%2FtWkW3SaTJuj3xNCfuRX6%2Bo4X2oES2mNajmckk9XqpzHeAbaghRMIh9FMHboaH0JHTNgUlDcitPKEKnOSkIsIegf2kTrmITwJ4OSRpWti7hgoSTAx3oB%2FE%3D"}],"group":"cf-nel","max_age":604800}
content-type
application/json
access-control-allow-origin
*
cf-ray
8bd6c4a42a0fd27d-FRA
/
invalid.rpki.cloudflare.com/
0
0

/
serverless-benchmarks-js.compute-pipe.com/
134 B
362 B
Image
General
Full URL
https://serverless-benchmarks-js.compute-pipe.com/?test=bcc6a5c1b80a776e3e00f674e09136aa8b585ed950a086405e56bdf65d02a967&img=1&r=65452280
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6812:1f8 -, , ASN (),
Reverse DNS
Software
cloudflare /
Resource Hash
7df4aa33d078484697126432b82ef34cda6ea378e44b302d92bf68cca205f81b

Request headers

Referer
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
Tue, 03 Sep 2024 15:28:13 GMT
content-encoding
gzip
referrer-policy
no-referrer
server
cloudflare
vary
Accept-Encoding
access-control-allow-methods
*
content-type
image/svg+xml
access-control-allow-origin
*
cache-control
no-store
timing-allow-origin
*
access-control-allow-headers
*
x-test-value
43
cf-ray
8bd6c4b46bd63664-FRA
/
d37vlkgj6jn9t1.cloudfront.net/
134 B
547 B
Image
General
Full URL
https://d37vlkgj6jn9t1.cloudfront.net/?test=bcc6a5c1b80a776e3e00f674e09136aa8b585ed950a086405e56bdf65d02a967&img=1&r=18904696
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:26e8:6800:16:d863:1940:21 -, , ASN (),
Reverse DNS
Software
CloudFront /
Resource Hash
7df4aa33d078484697126432b82ef34cda6ea378e44b302d92bf68cca205f81b

Request headers

Referer
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
Tue, 03 Sep 2024 15:28:14 GMT
via
1.1 fd6dc3eaf39d0b931b4b1369a7e91ac0.cloudfront.net (CloudFront)
x-amz-cf-pop
FRA56-P10
x-cache
LambdaGeneratedResponse from cloudfront
content-length
134
x-test-value
43
x-test-version
2
referrer-policy
no-referrer
server
CloudFront
access-control-allow-methods
*
content-type
image/svg+xml
access-control-allow-origin
*
cache-control
no-store
timing-allow-origin
*
access-control-allow-headers
*
x-amz-cf-id
hy_OJ8YzPwHPMDs2AQl8abMjWPwTqKoNrtRgCTnvGmjueP1Z5Xmpig==
/
serverless-benchmarks-rust.compute-pipe.com/
129 B
357 B
Image
General
Full URL
https://serverless-benchmarks-rust.compute-pipe.com/?test=bcc6a5c1b80a776e3e00f674e09136aa8b585ed950a086405e56bdf65d02a967&img=1&r=18620858
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6812:f8 -, , ASN (),
Reverse DNS
Software
cloudflare /
Resource Hash
f25cd9ed1af41e7371c277cac3cb7521a8b753e732e83df71e25da3c71045aaa

Request headers

Referer
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
Tue, 03 Sep 2024 15:28:14 GMT
content-encoding
gzip
referrer-policy
no-referrer
server
cloudflare
vary
Accept-Encoding
access-control-allow-methods
*
content-type
image/svg+xml
access-control-allow-origin
*
cache-control
no-store
timing-allow-origin
*
access-control-allow-headers
*
x-test-value
43
cf-ray
8bd6c4bb8f194dbf-FRA
/
uniquely-peaceful-hagfish.edgecompute.app/
129 B
329 B
Image
General
Full URL
https://uniquely-peaceful-hagfish.edgecompute.app/?test=bcc6a5c1b80a776e3e00f674e09136aa8b585ed950a086405e56bdf65d02a967&img=1&r=51985486
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a04:4e42:200::307 -, , ASN (),
Reverse DNS
Software
/
Resource Hash
f25cd9ed1af41e7371c277cac3cb7521a8b753e732e83df71e25da3c71045aaa

Request headers

Referer
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
Tue, 03 Sep 2024 15:28:14 GMT
referrer-policy
no-referrer
access-control-allow-methods
*
content-type
image/svg+xml
access-control-allow-origin
*
cache-control
no-store
timing-allow-origin
*
access-control-allow-headers
*
x-test-value
43
content-length
129
x-served-by
cache-mxp6964-MXP
/
exactly-huge-arachnid.edgecompute.app/
134 B
184 B
Image
General
Full URL
https://exactly-huge-arachnid.edgecompute.app/?test=bcc6a5c1b80a776e3e00f674e09136aa8b585ed950a086405e56bdf65d02a967&img=1&r=70289482
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a04:4e42:200::307 -, , ASN (),
Reverse DNS
Software
/
Resource Hash

Request headers

Referer
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
Tue, 03 Sep 2024 15:28:14 GMT
referrer-policy
no-referrer
access-control-allow-methods
*
content-type
image/svg+xml
access-control-allow-origin
*
cache-control
no-store
timing-allow-origin
*
access-control-allow-headers
*
x-test-value
43
content-length
134
x-served-by
cache-mxp6962-MXP

Failed requests

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

Domain
invalid.rpki.cloudflare.com
URL
https://invalid.rpki.cloudflare.com/?r=36373545

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| _cf_translation

1 Cookies

Domain/Path Name / Value
.radar.cloudflare.com/ Name: __cf_bm
Value: ATOiV2ueiR0sI_J.gspBCcH6nR2TXRoT9RsO.ok0uiM-1725377287-1.0.1.1-N.m2zMsSnxSxMi_LSMVVMgkBYJqjyiCkUd.Z1qhMz9Hz86e7z_NcpJ3oS94uvFjiLyomDKvxh1vcFAS8i5zGzw

3 Console Messages

Source Level URL
Text
network error URL: https://baisekj.com/
Message:
Failed to load resource: the server responded with a status of 530 ()
network error URL: https://baisekj.com/favicon.ico
Message:
Failed to load resource: the server responded with a status of 530 ()
network error URL: https://p17003.cedexis-test.com/img/17003/r20-100KB.png?r=1972762
Message:
Failed to load resource: net::ERR_NAME_NOT_RESOLVED

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
X-Frame-Options SAMEORIGIN