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support.k12online.vn Open in urlscan Pro
2606:4700::6812:191  Public Scan

Go To Rescan Add Verdict Report
URL: https://support.k12online.vn/
Submission: On May 17 via automatic, source certstream-suspicious
 Behaviour Indicators
Similar DOM Content API
Verdicts

Summary

This website contacted 13 IPs in 3 countries across 9 domains to perform 28 HTTP transactions. The main IP is 2606:4700::6812:191, located in United States and belongs to CLOUDFLARENET, US. The main domain is support.k12online.vn.
TLS certificate: Issued by Cloudflare Inc ECC CA-3 on May 17th 2021. Valid for: a year.
This is the only time support.k12online.vn was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
1 2606:4700::68... 13335 (CLOUDFLAR...)
1 2a00:1450:400... 15169 (GOOGLE)
2 2606:4700::68... 13335 (CLOUDFLAR...)
1 2a04:4e42:200... 54113 (FASTLY)
2 2a00:1450:400... 15169 (GOOGLE)
5 2606:4700::68... 13335 (CLOUDFLAR...)
1 2606:4700:303... 13335 (CLOUDFLAR...)
3 2606:4700::68... 13335 (CLOUDFLAR...)
7 2600:1901:0:9... 15169 (GOOGLE)
1 2a00:1450:400... 15169 (GOOGLE)
1 117.5.229.200 7552 (VIETEL-AS...)
1 2a00:1450:400... 15169 (GOOGLE)
28 13
1    2606:4700::6812:191 (United States)

ASN13335 (CLOUDFLARENET, US)
support.k12online.vn
1    2a00:1450:4001:82f::200a (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
fonts.googleapis.com
2    2606:4700::6810:7baf (United States)

ASN13335 (CLOUDFLARENET, US)
unpkg.com
1    2a04:4e42:200::621 (United States)

ASN54113 (FASTLY, US)
polyfill.io
2    2a00:1450:4001:810::2001 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
lh3.googleusercontent.com
5    2606:4700::6812:96f (United States)

ASN13335 (CLOUDFLARENET, US)
gstatic.gitbook.com
www.gitbook.com
1    2606:4700:3035::6815:327f (United States)

ASN13335 (CLOUDFLARENET, US)
cdn.lr-ingest.io
3    2606:4700::6812:86f (United States)

ASN13335 (CLOUDFLARENET, US)
app.gitbook.com
gstatic.gitbook.com
7    2600:1901:0:94b6:: (Kansas City, United States)

ASN15169 (GOOGLE, US)
gitbook-28427.firebaseio.com
s-usc1c-nss-234.firebaseio.com
1    2a00:1450:4001:828::200e (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
www.google-analytics.com
1    117.5.229.200 (Hanoi, Viet Nam)

ASN7552 (VIETEL-AS-AP Viettel Group, VN)
k12online.vn
1    2a00:1450:4001:80e::200e (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
www.google-analytics.com
Domain Requested by
6 s-usc1c-nss-234.firebaseio.com gstatic.gitbook.com
6 gstatic.gitbook.com support.k12online.vn
gstatic.gitbook.com
2 www.google-analytics.com gstatic.gitbook.com
2 lh3.googleusercontent.com support.k12online.vn
gstatic.gitbook.com
2 unpkg.com support.k12online.vn
unpkg.com
1 www.gitbook.com gstatic.gitbook.com
1 gitbook-28427.firebaseio.com gstatic.gitbook.com
1 app.gitbook.com gstatic.gitbook.com
1 cdn.lr-ingest.io gstatic.gitbook.com
1 k12online.vn support.k12online.vn
1 polyfill.io support.k12online.vn
1 fonts.googleapis.com support.k12online.vn
1 support.k12online.vn
28 13

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

Domain
k12online.vn
www.gitbook.com
Subject Issuer Validity Valid
support.k12online.vn
Cloudflare Inc ECC CA-3		 2021-05-17 -
2022-05-16		 a year crt.sh
upload.video.google.com
GTS CA 1O1		 2021-04-13 -
2021-07-06		 3 months crt.sh
sni.cloudflaressl.com
Cloudflare Inc ECC CA-3		 2020-08-02 -
2021-08-02		 a year crt.sh
f3.shared.global.fastly.net
GlobalSign CloudSSL CA - SHA256 - G3		 2021-05-11 -
2022-03-26		 10 months crt.sh
*.googleusercontent.com
GTS CA 1C3		 2021-04-13 -
2021-07-06		 3 months crt.sh
firebaseio.com
GTS CA 1O1		 2021-01-12 -
2021-07-11		 6 months crt.sh
*.google-analytics.com
GTS CA 1C3		 2021-04-13 -
2021-07-06		 3 months crt.sh
*.k12online.vn
OneSignSSL RSA DV Secure Server CA		 2021-02-05 -
2022-02-05		 a year crt.sh
*.google.com
GTS CA 1O1		 2021-04-13 -
2021-07-06		 3 months crt.sh

This page contains 3 frames:

Primary Page: https://support.k12online.vn/
Frame ID: CAFAE5D7C7AF8799A07A7D5837A28AF2
Requests: 21 HTTP requests in this frame

Frame: https://gitbook-28427.firebaseio.com/.lp?start=t&ser=75229383&cb=1&v=5
Frame ID: A701DF1A160AC85772259EA519BD4A20
Requests: 6 HTTP requests in this frame

Frame: https://s-usc1c-nss-234.firebaseio.com/.lp?dframe=t&id=9917711&pw=oiyui9tDOf&ns=gitbook-28427
Frame ID: DB4D9F91238AA935CCB25C62E2894833
Requests: 1 HTTP requests in this frame

Screenshot
Live screenshot
Full Image

Detected technologies

Overall confidence: 100%
Detected patterns
  • html /<[^>]+data-react/i
Overall confidence: 100%
Detected patterns
  • headers server /^cloudflare$/i
Overall confidence: 100%
Detected patterns
  • script /google-analytics\.com\/(?:ga|urchin|analytics)\.js/i
Overall confidence: 100%
Detected patterns
  • html /<link[^>]* href=[^>]+fonts\.(?:googleapis|google)\.com/i
Overall confidence: 100%
Detected patterns
  • script /\/polyfill\.min\.js/i

Page Statistics

28
Requests

93 %
HTTPS

92 %
IPv6

9
Domains

13
Subdomains

13
IPs

3
Countries

1967 kB
Transfer

6997 kB
Size

6
Cookies

Redirected requests

There were HTTP redirect chains for the following requests:

28 HTTP transactions

Resource
Path		 Size
x-fer		 Type
MIME-Type
Primary Request /
support.k12online.vn/ 		113 KB
27 KB 		Document
General
Check archive.org
Download Go to
Full URL
https://support.k12online.vn/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6812:191 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
e7e2a0aa83e57af4cbddde0d55b307393e923f80243e329f876b12696230ad1d
Security Headers
Name Value
Content-Security-Policy default-src 'self' gstatic.gitbook.com *.gitbook-staging.com *.gitbook.com *.firebaseio.com wss://*.firebaseio.com *.cloudfunctions.net *.googleapis.com *.gstatic.com data: *.google.com *.github.com *.algolianet.com *.algolia.net sentry.io *.logrocket.io *.lr-ingest.io *.stripe.com *.clearbit.com *.google-analytics.com d3hb14vkzrxvla.cloudfront.net d1j8pt39hxlh3d.cloudfront.net *.iframe.ly blob: cdn.jsdelivr.net cdnjs.cloudflare.com api.amplitude.com https://api.intercom.io https://api-iam.intercom.io https://api-ping.intercom.io https://nexus-websocket-a.intercom.io https://nexus-websocket-b.intercom.io https://nexus-long-poller-a.intercom.io https://nexus-long-poller-b.intercom.io wss://nexus-websocket-a.intercom.io wss://nexus-websocket-b.intercom.io https://uploads.intercomcdn.com https://uploads.intercomusercontent.com https://share.intercom.io https://intercom-sheets.com https://www.intercom-reporting.com https://www.youtube.com https://player.vimeo.com https://fast.wistia.net https://js.intercomcdn.com https://intercom.help; script-src 'self' gstatic.gitbook.com 'unsafe-inline' *.firebaseio.com *.google.com polyfill.io cdn.lr-ingest.io cdn.logrocket.io *.stripe.com *.clearbit.com *.google-analytics.com *.iframe.ly *.gstatic.com cdnjs.cloudflare.com *.intercom.io *.intercomcdn.com gitbookio.github.io https://app.intercom.io https://widget.intercom.io https://js.intercomcdn.com; style-src 'self' gstatic.gitbook.com 'unsafe-inline' fonts.googleapis.com unpkg.com cdnjs.cloudflare.com cdn.jsdelivr.net; img-src * data: blob: https://js.intercomcdn.com https://static.intercomassets.com https://downloads.intercomcdn.com https://uploads.intercomusercontent.com https://gifs.intercomcdn.com https://messenger-apps.intercom.io https://*.intercom-attachments.com; frame-src *; object-src 'none'; child-src 'self' blob:; worker-src 'self' blob:; frame-ancestors https:
Strict-Transport-Security max-age=31536000; includeSubDomains
X-Content-Security-Policy default-src 'self' gstatic.gitbook.com *.gitbook-staging.com *.gitbook.com *.firebaseio.com wss://*.firebaseio.com *.cloudfunctions.net *.googleapis.com *.gstatic.com data: *.google.com *.github.com *.algolianet.com *.algolia.net sentry.io *.logrocket.io *.lr-ingest.io *.stripe.com *.clearbit.com *.google-analytics.com d3hb14vkzrxvla.cloudfront.net d1j8pt39hxlh3d.cloudfront.net *.iframe.ly blob: cdn.jsdelivr.net cdnjs.cloudflare.com api.amplitude.com https://api.intercom.io https://api-iam.intercom.io https://api-ping.intercom.io https://nexus-websocket-a.intercom.io https://nexus-websocket-b.intercom.io https://nexus-long-poller-a.intercom.io https://nexus-long-poller-b.intercom.io wss://nexus-websocket-a.intercom.io wss://nexus-websocket-b.intercom.io https://uploads.intercomcdn.com https://uploads.intercomusercontent.com https://share.intercom.io https://intercom-sheets.com https://www.intercom-reporting.com https://www.youtube.com https://player.vimeo.com https://fast.wistia.net https://js.intercomcdn.com https://intercom.help; script-src 'self' gstatic.gitbook.com 'unsafe-inline' *.firebaseio.com *.google.com polyfill.io cdn.lr-ingest.io cdn.logrocket.io *.stripe.com *.clearbit.com *.google-analytics.com *.iframe.ly *.gstatic.com cdnjs.cloudflare.com *.intercom.io *.intercomcdn.com gitbookio.github.io https://app.intercom.io https://widget.intercom.io https://js.intercomcdn.com; style-src 'self' gstatic.gitbook.com 'unsafe-inline' fonts.googleapis.com unpkg.com cdnjs.cloudflare.com cdn.jsdelivr.net; img-src * data: blob: https://js.intercomcdn.com https://static.intercomassets.com https://downloads.intercomcdn.com https://uploads.intercomusercontent.com https://gifs.intercomcdn.com https://messenger-apps.intercom.io https://*.intercom-attachments.com; frame-src *; object-src 'none'; child-src 'self' blob:; worker-src 'self' blob:; frame-ancestors https:
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

:method
GET
:authority
support.k12online.vn
:scheme
https
:path
/
pragma
no-cache
cache-control
no-cache
upgrade-insecure-requests
1
user-agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36
accept
text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9
sec-fetch-site
none
sec-fetch-mode
navigate
sec-fetch-user
?1
sec-fetch-dest
document
accept-encoding
gzip, deflate, br
accept-language
en-US
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

date
Mon, 17 May 2021 13:38:37 GMT
content-type
text/html; charset=utf-8
cf-ray
650d3f465dfc4eaa-FRA
age
17
cache-control
public, max-age=86400, s-maxage=86400, stale-while-revalidate=3600, stale-if-error=43200
strict-transport-security
max-age=31536000; includeSubDomains
vary
Accept-Encoding, Authorization, Cookie, X-CDN-Host
cf-cache-status
HIT
cf-request-id
0a1c25dff800004eaa089f8000000001
content-security-policy
default-src 'self' gstatic.gitbook.com *.gitbook-staging.com *.gitbook.com *.firebaseio.com wss://*.firebaseio.com *.cloudfunctions.net *.googleapis.com *.gstatic.com data: *.google.com *.github.com *.algolianet.com *.algolia.net sentry.io *.logrocket.io *.lr-ingest.io *.stripe.com *.clearbit.com *.google-analytics.com d3hb14vkzrxvla.cloudfront.net d1j8pt39hxlh3d.cloudfront.net *.iframe.ly blob: cdn.jsdelivr.net cdnjs.cloudflare.com api.amplitude.com https://api.intercom.io https://api-iam.intercom.io https://api-ping.intercom.io https://nexus-websocket-a.intercom.io https://nexus-websocket-b.intercom.io https://nexus-long-poller-a.intercom.io https://nexus-long-poller-b.intercom.io wss://nexus-websocket-a.intercom.io wss://nexus-websocket-b.intercom.io https://uploads.intercomcdn.com https://uploads.intercomusercontent.com https://share.intercom.io https://intercom-sheets.com https://www.intercom-reporting.com https://www.youtube.com https://player.vimeo.com https://fast.wistia.net https://js.intercomcdn.com https://intercom.help; script-src 'self' gstatic.gitbook.com 'unsafe-inline' *.firebaseio.com *.google.com polyfill.io cdn.lr-ingest.io cdn.logrocket.io *.stripe.com *.clearbit.com *.google-analytics.com *.iframe.ly *.gstatic.com cdnjs.cloudflare.com *.intercom.io *.intercomcdn.com gitbookio.github.io https://app.intercom.io https://widget.intercom.io https://js.intercomcdn.com; style-src 'self' gstatic.gitbook.com 'unsafe-inline' fonts.googleapis.com unpkg.com cdnjs.cloudflare.com cdn.jsdelivr.net; img-src * data: blob: https://js.intercomcdn.com https://static.intercomassets.com https://downloads.intercomcdn.com https://uploads.intercomusercontent.com https://gifs.intercomcdn.com https://messenger-apps.intercom.io https://*.intercom-attachments.com; frame-src *; object-src 'none'; child-src 'self' blob:; worker-src 'self' blob:; frame-ancestors https:
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
function-execution-id
2t3lw3ddbe55
referrer-policy
no-referrer-when-downgrade
x-cdn-cache-group
-M_HyAF94Bhb5EsAgUxH
x-cloud-trace-context
ceea2f1ae7a8b6a32c24bdec607e2dca
x-content-security-policy
default-src 'self' gstatic.gitbook.com *.gitbook-staging.com *.gitbook.com *.firebaseio.com wss://*.firebaseio.com *.cloudfunctions.net *.googleapis.com *.gstatic.com data: *.google.com *.github.com *.algolianet.com *.algolia.net sentry.io *.logrocket.io *.lr-ingest.io *.stripe.com *.clearbit.com *.google-analytics.com d3hb14vkzrxvla.cloudfront.net d1j8pt39hxlh3d.cloudfront.net *.iframe.ly blob: cdn.jsdelivr.net cdnjs.cloudflare.com api.amplitude.com https://api.intercom.io https://api-iam.intercom.io https://api-ping.intercom.io https://nexus-websocket-a.intercom.io https://nexus-websocket-b.intercom.io https://nexus-long-poller-a.intercom.io https://nexus-long-poller-b.intercom.io wss://nexus-websocket-a.intercom.io wss://nexus-websocket-b.intercom.io https://uploads.intercomcdn.com https://uploads.intercomusercontent.com https://share.intercom.io https://intercom-sheets.com https://www.intercom-reporting.com https://www.youtube.com https://player.vimeo.com https://fast.wistia.net https://js.intercomcdn.com https://intercom.help; script-src 'self' gstatic.gitbook.com 'unsafe-inline' *.firebaseio.com *.google.com polyfill.io cdn.lr-ingest.io cdn.logrocket.io *.stripe.com *.clearbit.com *.google-analytics.com *.iframe.ly *.gstatic.com cdnjs.cloudflare.com *.intercom.io *.intercomcdn.com gitbookio.github.io https://app.intercom.io https://widget.intercom.io https://js.intercomcdn.com; style-src 'self' gstatic.gitbook.com 'unsafe-inline' fonts.googleapis.com unpkg.com cdnjs.cloudflare.com cdn.jsdelivr.net; img-src * data: blob: https://js.intercomcdn.com https://static.intercomassets.com https://downloads.intercomcdn.com https://uploads.intercomusercontent.com https://gifs.intercomcdn.com https://messenger-apps.intercom.io https://*.intercom-attachments.com; frame-src *; object-src 'none'; child-src 'self' blob:; worker-src 'self' blob:; frame-ancestors https:
x-content-type-options
nosniff
x-dns-prefetch-control
off
x-download-options
noopen
x-permitted-cross-domain-policies
none
x-webkit-csp
default-src 'self' gstatic.gitbook.com *.gitbook-staging.com *.gitbook.com *.firebaseio.com wss://*.firebaseio.com *.cloudfunctions.net *.googleapis.com *.gstatic.com data: *.google.com *.github.com *.algolianet.com *.algolia.net sentry.io *.logrocket.io *.lr-ingest.io *.stripe.com *.clearbit.com *.google-analytics.com d3hb14vkzrxvla.cloudfront.net d1j8pt39hxlh3d.cloudfront.net *.iframe.ly blob: cdn.jsdelivr.net cdnjs.cloudflare.com api.amplitude.com https://api.intercom.io https://api-iam.intercom.io https://api-ping.intercom.io https://nexus-websocket-a.intercom.io https://nexus-websocket-b.intercom.io https://nexus-long-poller-a.intercom.io https://nexus-long-poller-b.intercom.io wss://nexus-websocket-a.intercom.io wss://nexus-websocket-b.intercom.io https://uploads.intercomcdn.com https://uploads.intercomusercontent.com https://share.intercom.io https://intercom-sheets.com https://www.intercom-reporting.com https://www.youtube.com https://player.vimeo.com https://fast.wistia.net https://js.intercomcdn.com https://intercom.help; script-src 'self' gstatic.gitbook.com 'unsafe-inline' *.firebaseio.com *.google.com polyfill.io cdn.lr-ingest.io cdn.logrocket.io *.stripe.com *.clearbit.com *.google-analytics.com *.iframe.ly *.gstatic.com cdnjs.cloudflare.com *.intercom.io *.intercomcdn.com gitbookio.github.io https://app.intercom.io https://widget.intercom.io https://js.intercomcdn.com; style-src 'self' gstatic.gitbook.com 'unsafe-inline' fonts.googleapis.com unpkg.com cdnjs.cloudflare.com cdn.jsdelivr.net; img-src * data: blob: https://js.intercomcdn.com https://static.intercomassets.com https://downloads.intercomcdn.com https://uploads.intercomusercontent.com https://gifs.intercomcdn.com https://messenger-apps.intercom.io https://*.intercom-attachments.com; frame-src *; object-src 'none'; child-src 'self' blob:; worker-src 'self' blob:; frame-ancestors https:
x-xss-protection
1; mode=block
server
cloudflare
content-encoding
gzip
css
fonts.googleapis.com/ 		2 KB
672 B 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://fonts.googleapis.com/css?family=Source+Code+Pro:500&display=swap
Requested by
Host: support.k12online.vn
URL: https://support.k12online.vn/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:82f::200a Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
ESF /
Resource Hash
6da43a0ac4abcb5bc4b10164a762759e5cc81f37e00033643034a891fb490c82
Security Headers
Name Value
Strict-Transport-Security max-age=31536000
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 0

Request headers

Referer
https://support.k12online.vn/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

strict-transport-security
max-age=31536000
content-encoding
gzip
x-content-type-options
nosniff
cross-origin-resource-policy
cross-origin
alt-svc
h3-29=":443"; ma=2592000,h3-T051=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43"
x-xss-protection
0
last-modified
Mon, 17 May 2021 12:10:42 GMT
server
ESF
date
Mon, 17 May 2021 13:38:37 GMT
x-frame-options
SAMEORIGIN
content-type
text/css; charset=utf-8
access-control-allow-origin
*
cache-control
private, max-age=86400, stale-while-revalidate=604800
timing-allow-origin
*
link
<https://fonts.gstatic.com>; rel=preconnect; crossorigin
expires
Mon, 17 May 2021 13:38:37 GMT
emojione-sprite-40.min.css
unpkg.com/emojione-assets@4.0.0/sprites/ 		183 KB
14 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://unpkg.com/emojione-assets@4.0.0/sprites/emojione-sprite-40.min.css
Requested by
Host: support.k12online.vn
URL: https://support.k12online.vn/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:7baf , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
c5e939d7d3f9c9bfe632d16484c12354fa89a12738f30f738aa81c984e5b9a92
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

Referer
https://support.k12online.vn/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

date
Mon, 17 May 2021 13:38:37 GMT
content-encoding
br
x-content-type-options
nosniff
cf-cache-status
HIT
age
4810476
vary
Accept-Encoding
cf-request-id
0a1c25e03900004e9d9f852000000001
last-modified
Sat, 26 Oct 1985 08:15:00 GMT
server
cloudflare
etag
W/"2dc7c-MlEndlChcp6B66cJCh5yD8CB/Fo"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
strict-transport-security
max-age=31536000; includeSubDomains; preload
content-type
text/css; charset=utf-8
access-control-allow-origin
*
x-cloud-trace-context
e0ac7d85fe9bfe99ddd0e0018c758a56
cache-control
public, max-age=31536000
cf-ray
650d3f46c8cc4e9d-FRA
polyfill.min.js
polyfill.io/v3/ 		72 B
565 B 		Script
General
Check archive.org
Download Go to
Full URL
https://polyfill.io/v3/polyfill.min.js?flags=gated&features=Intl
Requested by
Host: support.k12online.vn
URL: https://support.k12online.vn/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2a04:4e42:200::621 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
/
Resource Hash
aaecd144d2b8763b2fa5c91f09778294363cef363c10504205f4203922644d11
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubdomains; preload
X-Content-Type-Options nosniff

Request headers

Referer
https://support.k12online.vn/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

strict-transport-security
max-age=31536000; includeSubdomains; preload
content-encoding
br
x-content-type-options
nosniff
content-type
text/javascript; charset=utf-8
age
979852
detected-user-agent
Chrome Mobile/89.0.4389
server-timing
HIT-CLUSTER, fastly;desc="Edge time";dur=1, HIT, fastly;desc="Edge time";dur=1
content-length
74
referrer-policy
origin-when-cross-origin
last-modified
Wed, 05 May 2021 21:46:35 GMT
date
Mon, 17 May 2021 13:38:37 GMT
vary
User-Agent, Accept-Encoding
access-control-allow-methods
GET,HEAD,OPTIONS
normalized-user-agent
chrome/89.0.0
access-control-allow-origin
*
cache-control
public, s-maxage=31536000, max-age=604800, stale-while-revalidate=604800, stale-if-error=604800
accept-ranges
bytes
timing-allow-origin
*
photo.jpg
lh3.googleusercontent.com/-zifrb92Af-w/AAAAAAAAAAI/AAAAAAAAAAA/AAKWJJOioVGQ163i8JR26soiP2vnZV8vNQ/ 		57 KB
58 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://lh3.googleusercontent.com/-zifrb92Af-w/AAAAAAAAAAI/AAAAAAAAAAA/AAKWJJOioVGQ163i8JR26soiP2vnZV8vNQ/photo.jpg
Requested by
Host: support.k12online.vn
URL: https://support.k12online.vn/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:810::2001 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
fife /
Resource Hash
ddd467325f6d334c47915b6aaa239fdc52f27ee4d3d9943d374039d5b7f6eeb8
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

Referer
https://support.k12online.vn/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

date
Mon, 17 May 2021 13:38:38 GMT
x-content-type-options
nosniff
server
fife
etag
"v6a9"
vary
Origin
content-type
image/jpeg
access-control-allow-origin
*
access-control-expose-headers
Content-Length
cache-control
public, max-age=86400, no-transform
content-disposition
inline;filename=""
timing-allow-origin
*
alt-svc
h3-29=":443"; ma=2592000,h3-T051=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43"
content-length
58809
x-xss-protection
0
expires
Tue, 18 May 2021 13:38:38 GMT
111.f142f50e.js
gstatic.gitbook.com/js/ 		3 MB
945 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://gstatic.gitbook.com/js/111.f142f50e.js
Requested by
Host: support.k12online.vn
URL: https://support.k12online.vn/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6812:96f , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
433ccdcaaf7ffe177830be6af3f77555d8861ca5b28f3d5047de2cf8532ff406

Request headers

Origin
https://support.k12online.vn
Referer
https://support.k12online.vn/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

date
Mon, 17 May 2021 13:38:37 GMT
content-encoding
gzip
cf-cache-status
MISS
x-guploader-uploadid
ABg5-Uz3PpVS5rmLAQqyx-Bv43SHB5qBoEgLF9EGcOUffq1ADGmF9a4Yz68fHeL2roHduhQQGD7FQcctPucVTg5fsEA
x-goog-storage-class
STANDARD
x-goog-metageneration
1
x-goog-stored-content-encoding
identity
content-type
application/javascript
cf-request-id
0a1c25e05a000064fd47af1000000001
last-modified
Wed, 07 Apr 2021 08:43:49 GMT
server
cloudflare
etag
W/"876655ac803da8f0cf014bda9a896170"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
x-goog-hash
crc32c=B4hFnA==, md5=h2ZVrIA9qPDPAUvamolhcA==
x-goog-generation
1617785029720049
access-control-allow-origin
*
access-control-expose-headers
Content-Length, Date, Server, Transfer-Encoding, X-GUploader-UploadID, X-Google-Trace
cache-control
public, max-age=31536000
x-goog-stored-content-length
3418521
cf-ray
650d3f46ff0b64fd-FRA
expires
Fri, 22 Apr 2022 15:46:59 GMT
emojione-sprite-40-objects.png
unpkg.com/emojione-assets@4.0.0/sprites/ 		283 KB
283 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://unpkg.com/emojione-assets@4.0.0/sprites/emojione-sprite-40-objects.png
Requested by
Host: unpkg.com
URL: https://unpkg.com/emojione-assets@4.0.0/sprites/emojione-sprite-40.min.css
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:7baf , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
9d6dd747339fe6669cd2c9d76e73020052ba140b61df703bc05c32e0740f8083
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

Referer
https://unpkg.com/emojione-assets@4.0.0/sprites/emojione-sprite-40.min.css
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

date
Mon, 17 May 2021 13:38:37 GMT
via
1.1 fly.io
x-content-type-options
nosniff
cf-cache-status
HIT
age
2444225
fly-request-id
01F3MDS9ERREX2MZPA3M1C5J3H
vary
Accept-Encoding
content-length
289499
cf-request-id
0a1c25e08200004e9d97140000000001
last-modified
Sat, 26 Oct 1985 08:15:00 GMT
server
cloudflare
etag
"46adb-Of6zHN3sM0LL3Wlko7smBRg4fTw"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
strict-transport-security
max-age=31536000; includeSubDomains; preload
content-type
image/png
access-control-allow-origin
*
cache-control
public, max-age=31536000
accept-ranges
bytes
cf-ray
650d3f4739ea4e9d-FRA
fc3d4b35e4d07d4e0485cc2db0e57c77.woff
gstatic.gitbook.com/fonts/ 		92 KB
92 KB 		Font
General
Check archive.org
Download Go to
Full URL
https://gstatic.gitbook.com/fonts/fc3d4b35e4d07d4e0485cc2db0e57c77.woff
Requested by
Host: support.k12online.vn
URL: https://support.k12online.vn/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6812:96f , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
b87e90677bdbc3c6bc296a368f57b2d72783c1a7c6e8e9325cd1645c18039cf2

Request headers

Origin
https://support.k12online.vn
Referer
https://support.k12online.vn/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

date
Mon, 17 May 2021 13:38:37 GMT
cf-cache-status
MISS
x-guploader-uploadid
ABg5-Uw2xBUB62aTCOo05JjLOQA_7UxfDsST-jBrCkBwtDHzU2Rft-PwCtPdDk40osgHD9jc33a4Fi0w-xc_TWJHxyNmzmhjNg
x-goog-storage-class
STANDARD
x-goog-metageneration
1
x-goog-stored-content-encoding
identity
content-type
font/woff
content-length
93788
cf-request-id
0a1c25e089000064fd33324000000001
last-modified
Wed, 07 Apr 2021 08:43:49 GMT
server
cloudflare
etag
"fc3d4b35e4d07d4e0485cc2db0e57c77"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
x-goog-hash
crc32c=7TN+QQ==, md5=/D1LNeTQfU4EhcwtsOV8dw==
x-goog-generation
1617785029566090
access-control-allow-origin
*
access-control-expose-headers
Content-Length, Date, Server, Transfer-Encoding, X-GUploader-UploadID, X-Google-Trace
cache-control
public, max-age=31536000
x-goog-stored-content-length
93788
accept-ranges
bytes
cf-ray
650d3f474f2a64fd-FRA
expires
Mon, 18 Apr 2022 03:23:20 GMT
f4fa50c4003f87e7dc10459e500933c3.woff
gstatic.gitbook.com/fonts/ 		92 KB
93 KB 		Font
General
Check archive.org
Download Go to
Full URL
https://gstatic.gitbook.com/fonts/f4fa50c4003f87e7dc10459e500933c3.woff
Requested by
Host: support.k12online.vn
URL: https://support.k12online.vn/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6812:96f , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
3e692de9565d90dd947a080d4d10cee72a83447ba053e08fdcac457d7197128a

Request headers

Origin
https://support.k12online.vn
Referer
https://support.k12online.vn/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

date
Mon, 17 May 2021 13:38:37 GMT
cf-cache-status
MISS
x-guploader-uploadid
ABg5-UxyEzdcNSdaJtXWOu_1a_Udqa_IwHrRlOjvAN1WdWLiRwt_LkJphbV5J8YSQYHy5mSn7RZDeP804aUQsKcyUKyG167dEA
x-goog-storage-class
STANDARD
x-goog-metageneration
1
x-goog-stored-content-encoding
identity
content-type
font/woff
content-length
94368
cf-request-id
0a1c25e089000064fd46a6e000000001
last-modified
Wed, 07 Apr 2021 08:43:49 GMT
server
cloudflare
etag
"f4fa50c4003f87e7dc10459e500933c3"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
x-goog-hash
crc32c=FUjfEA==, md5=9PpQxAA/h+fcEEWeUAkzww==
x-goog-generation
1617785029592662
access-control-allow-origin
*
access-control-expose-headers
Content-Length, Date, Server, Transfer-Encoding, X-GUploader-UploadID, X-Google-Trace
cache-control
public, max-age=31536000
x-goog-stored-content-length
94368
accept-ranges
bytes
cf-ray
650d3f474f2b64fd-FRA
expires
Wed, 20 Apr 2022 06:41:18 GMT
72e37e5bf95a8dba938c78b1d7d91253.woff
gstatic.gitbook.com/fonts/ 		92 KB
93 KB 		Font
General
Check archive.org
Download Go to
Full URL
https://gstatic.gitbook.com/fonts/72e37e5bf95a8dba938c78b1d7d91253.woff
Requested by
Host: support.k12online.vn
URL: https://support.k12online.vn/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6812:96f , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
a18af7799b7d241fe5d00645492ccedcad39815e9f4125b7e3e90b18a1b77405

Request headers

Origin
https://support.k12online.vn
Referer
https://support.k12online.vn/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

date
Mon, 17 May 2021 13:38:37 GMT
cf-cache-status
MISS
x-guploader-uploadid
ABg5-UwUOczh5nNBzYDJBxzxaL3CLyXkgkVFy58b3pl9DrzYwUP9a-aLZ4kxE1shZKRxFnUBCN-8Fr_1CmXAH4dxLUdoeFof0A
x-goog-storage-class
STANDARD
x-goog-metageneration
1
x-goog-stored-content-encoding
identity
content-type
font/woff
content-length
94040
cf-request-id
0a1c25e08a000064fd3f812000000001
last-modified
Wed, 07 Apr 2021 08:43:49 GMT
server
cloudflare
etag
"72e37e5bf95a8dba938c78b1d7d91253"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
x-goog-hash
crc32c=TBIniA==, md5=cuN+W/lajbqTjHix19kSUw==
x-goog-generation
1617785029573691
access-control-allow-origin
*
access-control-expose-headers
Content-Length, Date, Server, Transfer-Encoding, X-GUploader-UploadID, X-Google-Trace
cache-control
public, max-age=31536000
x-goog-stored-content-length
94040
accept-ranges
bytes
cf-ray
650d3f474f2c64fd-FRA
expires
Fri, 06 May 2022 19:18:12 GMT
78805a221a988e79ef3f42d7c5bfd418(223).png
k12online.vn/upload/2001774/fck/files/ 		0
0
logger.min.js
cdn.lr-ingest.io/ 		713 KB
131 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://cdn.lr-ingest.io/logger.min.js
Requested by
Host: gstatic.gitbook.com
URL: https://gstatic.gitbook.com/js/111.f142f50e.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3035::6815:327f , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
cf6164f5d26c81a097a9683e42e525ebdcc5b5c8c445fc2e11ce1504693c8b98
Security Headers
Name Value
Strict-Transport-Security max-age=31556926

Request headers

Referer
https://support.k12online.vn/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

date
Mon, 17 May 2021 13:38:37 GMT
content-encoding
br
vary
x-fh-requested-host, accept-encoding
cf-cache-status
HIT
nel
{"report_to":"cf-nel","max_age":604800}
age
108
x-cache
HIT
alt-svc
h3-27=":443"; ma=86400, h3-28=":443"; ma=86400, h3-29=":443"; ma=86400
cf-request-id
0a1c25e24900001f292e149000000001
x-served-by
cache-fra19120-FRA
last-modified
Fri, 14 May 2021 18:39:46 GMT
server
cloudflare
x-timer
S1621017785.100521,VS0,VE1
etag
W/"71d766d9ca75b5fd54acc391310592048c1963d5de7ab51a90d5fc7b52436699"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
strict-transport-security
max-age=31556926
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report?s=9bcdH7hXw3nQRjMSpXZ00X%2FzY%2F%2Fd1ZFw2HJDuZpJv0krQj7pQ3p5nAP1ZAt8Vzbli45TdiN2RAUxt997VuImjQv7VAHoGFC%2BbxJhzha1VOTcV%2BVhKBVhDyTlC%2Fuq"}],"group":"cf-nel","max_age":604800}
content-type
text/javascript; charset=utf-8
access-control-allow-origin
*
cache-control
public, max-age=14400
cf-ray
650d3f4a0b501f29-FRA
x-cache-hits
1
__session
app.gitbook.com/ 		52 B
738 B 		Fetch
General
Check archive.org
Download Go to
Full URL
https://app.gitbook.com/__session?proposed=d90ea757-8e49-45c4-83e6-389d1ea4798cR
Requested by
Host: gstatic.gitbook.com
URL: https://gstatic.gitbook.com/js/111.f142f50e.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6812:86f , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare / Express
Resource Hash
827d1c477796338beba02906b0a5cb07eb6552f9eef2bbc3a29ae13e404dcb33

Request headers

Referer
https://support.k12online.vn/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

date
Mon, 17 May 2021 13:38:38 GMT
content-encoding
gzip
cf-cache-status
DYNAMIC
x-magic-hash
590b4fe02dc55aa9fde6dfdbc1a33d82273fc9c6a576984b78f97aca99a7ec32
x-powered-by
Express
x-cache
MISS
x-release
gitbook-28427-6.25.11
cf-request-id
0a1c25e4d000000ebbeb2a9000000001
access-control-allow-origin
https://support.k12online.vn
server
cloudflare
etag
W/"34-WpllSY+B9tEB8kRMr4lEZ4atS1U"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Origin, Accept-Encoding
content-type
application/json; charset=utf-8
via
no cache
x-cloud-trace-context
e76871c531e3a0b25d3a5df435346c96
cache-control
private
access-control-allow-credentials
true
function-execution-id
4tzfv8slidnd
cf-ray
650d3f4e19cc0ebb-FRA
expires
Mon, 17 May 2021 13:38:38 GMT
chunk.966.9bcdd26c.js
gstatic.gitbook.com/js/ 		1 MB
136 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://gstatic.gitbook.com/js/chunk.966.9bcdd26c.js
Requested by
Host: gstatic.gitbook.com
URL: https://gstatic.gitbook.com/js/111.f142f50e.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6812:86f , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
5b08085db82bdd556abf8dfe2c049e433274cd77fe15cadaa1437af9b5e928eb

Request headers

Referer
https://support.k12online.vn/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

date
Mon, 17 May 2021 13:38:38 GMT
content-encoding
gzip
cf-cache-status
HIT
age
3535564
cf-polished
origSize=1540766
x-guploader-uploadid
ABg5-UwpHqO3lEk5fGY24xMrxzKaUmsztOxRaJLPxdyRgqAeFBO9HlwfZkZiK-VlxtbNPv4e6b89Z03c6mD4LNmS6aO9oovXkg
x-goog-storage-class
STANDARD
x-goog-metageneration
1
x-goog-stored-content-encoding
identity
content-type
application/javascript
cf-request-id
0a1c25e62d00000ebb1b336000000001
last-modified
Fri, 19 Mar 2021 17:17:25 GMT
server
cloudflare
etag
W/"1ee0a04f04f79506addc6f9cc9ade2c0"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
x-goog-hash
crc32c=6ui4QQ==, md5=HuCgTwT3lQat3G+cya3iwA==
x-goog-generation
1616174245205973
access-control-allow-origin
*
expires
Wed, 06 Apr 2022 15:32:34 GMT
cache-control
public, max-age=31536000
x-goog-stored-content-length
1540766
cf-ray
650d3f504e5e0ebb-FRA
cf-bgj
minify
b33682eb-bd90-49a6-9e86-e8bd9073883f
https://support.k12online.vn/ 		406 KB
0 		Other
General
Check archive.org
Download Go to
Full URL
blob:https://support.k12online.vn/b33682eb-bd90-49a6-9e86-e8bd9073883f
Requested by
Host: support.k12online.vn
URL: https://support.k12online.vn/
Protocol
BLOB
Server
-, , ASN (),
Reverse DNS
Software
/
Resource Hash
c14bc24ee09e07032cc68d33fe82ccd5115534ae056826830d3a59db0b020916

Request headers

Referer
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

Content-Length
415356
.lp
gitbook-28427.firebaseio.com/ Frame A701 		422 B
664 B 		Script
General
Check archive.org
Download Go to
Full URL
https://gitbook-28427.firebaseio.com/.lp?start=t&ser=75229383&cb=1&v=5
Requested by
Host: gstatic.gitbook.com
URL: https://gstatic.gitbook.com/js/111.f142f50e.js
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, CHACHA20_POLY1305
Server
2600:1901:0:94b6:: Kansas City, United States, ASN15169 (GOOGLE, US),
Reverse DNS
Software
nginx /
Resource Hash
ad54c35eeb24bc0821a1b5eb93ce1838019f75f9ec56177002bd5f590d1ead92
Security Headers
Name Value
Strict-Transport-Security max-age=31556926; includeSubDomains; preload

Request headers

Referer
https://support.k12online.vn/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

Date
Mon, 17 May 2021 13:38:39 GMT
Server
nginx
Connection
keep-alive
Content-Length
422
Strict-Transport-Security
max-age=31556926; includeSubDomains; preload
Content-Type
application/javascript; charset=utf-8
photo.jpg
lh3.googleusercontent.com/-zifrb92Af-w/AAAAAAAAAAI/AAAAAAAAAAA/AAKWJJOioVGQ163i8JR26soiP2vnZV8vNQ/ 		57 KB
58 KB 		Image
General
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Full URL
https://lh3.googleusercontent.com/-zifrb92Af-w/AAAAAAAAAAI/AAAAAAAAAAA/AAKWJJOioVGQ163i8JR26soiP2vnZV8vNQ/photo.jpg
Requested by
Host: gstatic.gitbook.com
URL: https://gstatic.gitbook.com/js/111.f142f50e.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:810::2001 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
fife /
Resource Hash
ddd467325f6d334c47915b6aaa239fdc52f27ee4d3d9943d374039d5b7f6eeb8
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

Referer
https://support.k12online.vn/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

date
Mon, 17 May 2021 13:38:38 GMT
x-content-type-options
nosniff
age
1
content-disposition
inline;filename=""
alt-svc
h3-29=":443"; ma=2592000,h3-T051=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43"
content-length
58809
x-xss-protection
0
server
fife
etag
"v6a9"
vary
Origin
content-type
image/jpeg
access-control-allow-origin
*
access-control-expose-headers
Content-Length
cache-control
public, max-age=86400, no-transform
timing-allow-origin
*
expires
Tue, 18 May 2021 13:38:38 GMT
/
www.gitbook.com/__amp/ 		7 B
182 B 		XHR
General
Check archive.org
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Full URL
https://www.gitbook.com/__amp/
Requested by
Host: gstatic.gitbook.com
URL: https://gstatic.gitbook.com/js/111.f142f50e.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6812:96f , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
aee408847d35e44e99430f0979c3357b85fe8dbb4535a494301198adbee85f27
Security Headers
Name Value
Strict-Transport-Security max-age=15768000

Request headers

Referer
https://support.k12online.vn/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36
Content-Type
application/x-www-form-urlencoded; charset=UTF-8

Response headers

date
Mon, 17 May 2021 13:38:39 GMT
cf-cache-status
DYNAMIC
server
cloudflare
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
access-control-allow-methods
GET, POST
content-type
text/html;charset=utf-8
access-control-allow-origin
*
strict-transport-security
max-age=15768000
cf-ray
650d3f52cca964fd-FRA
content-length
7
cf-request-id
0a1c25e7bf000064fd33395000000001
analytics.js
www.google-analytics.com/ 		48 KB
19 KB 		Script
General
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Full URL
https://www.google-analytics.com/analytics.js
Requested by
Host: gstatic.gitbook.com
URL: https://gstatic.gitbook.com/js/111.f142f50e.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:828::200e Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Golfe2 /
Resource Hash
2cb09c7b3e19bfc41743ca3624ef81c3258d56525647feac76aa757e0292627a
Security Headers
Name Value
Strict-Transport-Security max-age=10886400; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

Referer
https://support.k12online.vn/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

strict-transport-security
max-age=10886400; includeSubDomains; preload
content-encoding
gzip
x-content-type-options
nosniff
last-modified
Fri, 09 Apr 2021 23:59:54 GMT
server
Golfe2
age
4307
date
Mon, 17 May 2021 12:26:52 GMT
vary
Accept-Encoding
content-type
text/javascript
cache-control
public, max-age=7200
cross-origin-resource-policy
cross-origin
alt-svc
h3-29=":443"; ma=2592000,h3-T051=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43"
content-length
19569
expires
Mon, 17 May 2021 14:26:52 GMT
78805a221a988e79ef3f42d7c5bfd418(223).png
k12online.vn/upload/2001774/fck/files/ 		13 KB
14 KB 		Image
General
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Full URL
https://k12online.vn/upload/2001774/fck/files/78805a221a988e79ef3f42d7c5bfd418(223).png
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
117.5.229.200 Hanoi, Viet Nam, ASN7552 (VIETEL-AS-AP Viettel Group, VN),
Reverse DNS
Software
nginx, WebServer /
Resource Hash
14982a206bd73781886b7af84be9842b186fc5fdeb0772f0c43b27a35cc030e2

Request headers

Referer
https://support.k12online.vn/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

Date
Mon, 17 May 2021 13:38:40 GMT
Last-Modified
Wed, 05 May 2021 22:29:29 GMT
Server
nginx, WebServer
ETag
"60931c49-33db"
Access-Control-Allow-Methods
GET, POST, HEAD
Content-Type
image/png
Access-Control-Allow-Origin
*
Cache-Control
max-age=2592000
Access-Control-Allow-Credentials
true
Connection
keep-alive
Accept-Ranges
bytes
Access-Control-Allow-Headers
Accept,Authorization,Cache-Control,Content-Type,DNT,If-Modified-Since,Keep-Alive,Origin,User-Agent,X-Requested-With
Content-Length
13275
Expires
Wed, 16 Jun 2021 13:38:40 GMT
7f9239ce726764aa22093884902e018d.svg
gstatic.gitbook.com/images/ 		2 KB
1 KB 		Image
General
Check archive.org
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Full URL
https://gstatic.gitbook.com/images/7f9239ce726764aa22093884902e018d.svg
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6812:86f , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
863db76a201dedb75ccb6392a1664138cfb5c60d71e2073056db22ca39a56fec

Request headers

Referer
https://support.k12online.vn/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

date
Mon, 17 May 2021 13:38:39 GMT
content-encoding
gzip
cf-cache-status
HIT
age
3725211
x-guploader-uploadid
ABg5-Uwp2ZHpfP2KRh3gmr5OfeDUxp0R7u-PLsf10qcUQXhVLjI--w_PdPdPrcA3PFb9bG3JCWQm3A0kt0wXHHc68KoZV03s2A
x-goog-storage-class
STANDARD
x-goog-metageneration
1
x-goog-stored-content-encoding
identity
content-type
image/svg+xml
cf-request-id
0a1c25e7fa00000ebbea869000000001
last-modified
Fri, 19 Mar 2021 17:17:25 GMT
server
cloudflare
etag
W/"7f9239ce726764aa22093884902e018d"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
x-goog-hash
crc32c=VnuT0A==, md5=f5I5znJnZKoiCTiEkC4BjQ==
x-goog-generation
1616174245138502
access-control-allow-origin
*
cache-control
public, max-age=31536000
x-goog-stored-content-length
2137
cf-ray
650d3f532c2e0ebb-FRA
expires
Mon, 04 Apr 2022 10:51:47 GMT
collect
www.google-analytics.com/j/ 		2 B
22 B 		XHR
General
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Full URL
https://www.google-analytics.com/j/collect?v=1&_v=j90&a=1539087132&t=pageview&_s=1&dl=https%3A%2F%2Fsupport.k12online.vn%2F&dp=%2F&ul=en-us&de=UTF-8&dt=Ch%C3%A0o%20m%E1%BB%ABng!%20-%20K12ONLINE&sd=24-bit&sr=1600x1200&vp=1600x1200&je=0&_u=YEDAAEABAAAAAC~&jid=837762915&gjid=277882101&cid=180685902.1621258719&tid=UA-57505611-10&_gid=1596552137.1621258719&_r=1&_slc=1&cd1=-M_HyAF94Bhb5EsAgUxH&cd2=HrX8dkLBkYMUe8udCWT9YwTl8aS2&cd3=-M_UV8EjHg0xVOlyiRPW&cd4=master&cd5=-M_HyDXKqm6O3gZ4Ouu6&z=239162370
Requested by
Host: gstatic.gitbook.com
URL: https://gstatic.gitbook.com/js/111.f142f50e.js
Protocol
H3-29
Security
QUIC, , AES_128_GCM
Server
2a00:1450:4001:80e::200e Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Golfe2 /
Resource Hash
a048e640908046be06e00eab37742b5d5ff80964af58cfd22f7cb2de4dfe375f
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

Referer
https://support.k12online.vn/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36
Content-Type
text/plain

Response headers

pragma
no-cache
date
Mon, 17 May 2021 13:38:39 GMT
x-content-type-options
nosniff
last-modified
Sun, 17 May 1998 03:00:00 GMT
server
Golfe2
content-type
text/plain
access-control-allow-origin
https://support.k12online.vn
cache-control
no-cache, no-store, must-revalidate
access-control-allow-credentials
true
cross-origin-resource-policy
cross-origin
alt-svc
h3-29=":443"; ma=2592000,h3-T051=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43"
content-length
2
expires
Fri, 01 Jan 1990 00:00:00 GMT
.lp
s-usc1c-nss-234.firebaseio.com/ Frame DB4D 		420 B
649 B 		Document
General
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https://s-usc1c-nss-234.firebaseio.com/.lp?dframe=t&id=9917711&pw=oiyui9tDOf&ns=gitbook-28427
Requested by
Host: gstatic.gitbook.com
URL: https://gstatic.gitbook.com/js/111.f142f50e.js
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, CHACHA20_POLY1305
Server
2600:1901:0:94b6:: Kansas City, United States, ASN15169 (GOOGLE, US),
Reverse DNS
Software
nginx /
Resource Hash
3b5bd9b29c1245a78b85cf181898aba3979375fd0f3ff1f85184f553c5acb88d
Security Headers
Name Value
Strict-Transport-Security max-age=31556926; includeSubDomains; preload

Request headers

Host
s-usc1c-nss-234.firebaseio.com
Connection
keep-alive
Pragma
no-cache
Cache-Control
no-cache
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36
Accept
text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9
Sec-Fetch-Site
cross-site
Sec-Fetch-Mode
navigate
Sec-Fetch-Dest
iframe
Referer
https://support.k12online.vn/
Accept-Encoding
gzip, deflate, br
Accept-Language
en-US
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36
Referer
https://support.k12online.vn/

Response headers

Server
nginx
Date
Mon, 17 May 2021 13:38:39 GMT
Content-Type
text/html; charset=utf-8
Content-Length
420
Connection
keep-alive
Strict-Transport-Security
max-age=31556926; includeSubDomains; preload
.lp
s-usc1c-nss-234.firebaseio.com/ Frame A701 		15 B
256 B 		Script
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Full URL
https://s-usc1c-nss-234.firebaseio.com/.lp?id=9917711&pw=oiyui9tDOf&ser=66303774&ns=gitbook-28427
Requested by
Host: gstatic.gitbook.com
URL: https://gstatic.gitbook.com/js/111.f142f50e.js
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, CHACHA20_POLY1305
Server
2600:1901:0:94b6:: Kansas City, United States, ASN15169 (GOOGLE, US),
Reverse DNS
Software
nginx /
Resource Hash
3d14e96bd08692f39b357173c908dcb0b21ee11d0bdb29b963ce7fcc836eb4fd
Security Headers
Name Value
Strict-Transport-Security max-age=31556926; includeSubDomains; preload

Request headers

Referer
https://support.k12online.vn/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

Date
Mon, 17 May 2021 13:38:39 GMT
Server
nginx
Connection
keep-alive
Content-Length
15
Strict-Transport-Security
max-age=31556926; includeSubDomains; preload
Content-Type
application/javascript; charset=utf-8
.lp
s-usc1c-nss-234.firebaseio.com/ Frame A701 		58 B
299 B 		Script
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Full URL
https://s-usc1c-nss-234.firebaseio.com/.lp?id=9917711&pw=oiyui9tDOf&ser=66303775&ns=gitbook-28427&seg0=0&ts0=1&d0=eyJ0IjoiZCIsImQiOnsiciI6MSwiYSI6InMiLCJiIjp7ImMiOnsic2RrLmpzLjctMTQtMSI6MX19fX0.
Requested by
Host: gstatic.gitbook.com
URL: https://gstatic.gitbook.com/js/111.f142f50e.js
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, CHACHA20_POLY1305
Server
2600:1901:0:94b6:: Kansas City, United States, ASN15169 (GOOGLE, US),
Reverse DNS
Software
nginx /
Resource Hash
ef824052cc54e24358011a6d1f363813e99264883d6a019f5c98f75e43f78dc9
Security Headers
Name Value
Strict-Transport-Security max-age=31556926; includeSubDomains; preload

Request headers

Referer
https://support.k12online.vn/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

Date
Mon, 17 May 2021 13:38:39 GMT
Server
nginx
Connection
keep-alive
Content-Length
58
Strict-Transport-Security
max-age=31556926; includeSubDomains; preload
Content-Type
application/javascript; charset=utf-8
.lp
s-usc1c-nss-234.firebaseio.com/ Frame A701 		58 B
299 B 		Script
General
Check archive.org
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Full URL
https://s-usc1c-nss-234.firebaseio.com/.lp?id=9917711&pw=oiyui9tDOf&ser=66303776&ns=gitbook-28427&seg0=1&ts0=1&d0=eyJ0IjoiZCIsImQiOnsiciI6MiwiYSI6InEiLCJiIjp7InAiOiIvc3BhY2VzLy1NX0h5QUY5NEJoYjVFc0FnVXhIL3VzZXJQYWdlUmF0aW5ncy8tTV9IeURYS3FtNk8zZ1o0T3V1Ni8tTV91WTdIX3RoN2EtXzdiZFRtaCIsImgiOiIifX19
Requested by
Host: gstatic.gitbook.com
URL: https://gstatic.gitbook.com/js/111.f142f50e.js
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, CHACHA20_POLY1305
Server
2600:1901:0:94b6:: Kansas City, United States, ASN15169 (GOOGLE, US),
Reverse DNS
Software
nginx /
Resource Hash
01fe65d4fd93c66f51043f540156e23f6c69ef7ca0b6a0484bb063888989eb0e
Security Headers
Name Value
Strict-Transport-Security max-age=31556926; includeSubDomains; preload

Request headers

Referer
https://support.k12online.vn/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

Date
Mon, 17 May 2021 13:38:39 GMT
Server
nginx
Connection
keep-alive
Content-Length
58
Strict-Transport-Security
max-age=31556926; includeSubDomains; preload
Content-Type
application/javascript; charset=utf-8
.lp
s-usc1c-nss-234.firebaseio.com/ Frame A701 		47 B
288 B 		Script
General
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Full URL
https://s-usc1c-nss-234.firebaseio.com/.lp?id=9917711&pw=oiyui9tDOf&ser=66303777&ns=gitbook-28427
Requested by
Host: gstatic.gitbook.com
URL: https://gstatic.gitbook.com/js/111.f142f50e.js
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, CHACHA20_POLY1305
Server
2600:1901:0:94b6:: Kansas City, United States, ASN15169 (GOOGLE, US),
Reverse DNS
Software
nginx /
Resource Hash
1e77c60056c5fc881da96a001d25d0a31ebacb33bbbbe6aa32d512fe25603aab
Security Headers
Name Value
Strict-Transport-Security max-age=31556926; includeSubDomains; preload

Request headers

Referer
https://support.k12online.vn/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

Date
Mon, 17 May 2021 13:38:40 GMT
Server
nginx
Connection
keep-alive
Content-Length
47
Strict-Transport-Security
max-age=31556926; includeSubDomains; preload
Content-Type
application/javascript; charset=utf-8
.lp
s-usc1c-nss-234.firebaseio.com/ Frame A701 		38 B
279 B 		Script
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Full URL
https://s-usc1c-nss-234.firebaseio.com/.lp?id=9917711&pw=oiyui9tDOf&ser=66303778&ns=gitbook-28427&seg0=2&ts0=1&d0=eyJ0IjoiYyIsImQiOnsidCI6Im4iLCJkIjp7fX19
Requested by
Host: gstatic.gitbook.com
URL: https://gstatic.gitbook.com/js/111.f142f50e.js
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, CHACHA20_POLY1305
Server
2600:1901:0:94b6:: Kansas City, United States, ASN15169 (GOOGLE, US),
Reverse DNS
Software
nginx /
Resource Hash
b9ed83a68ecae92dd158107eda45ec91444645a5a0fa2350b0460a3abc3975f0
Security Headers
Name Value
Strict-Transport-Security max-age=31556926; includeSubDomains; preload

Request headers

Referer
https://support.k12online.vn/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

Date
Mon, 17 May 2021 13:38:40 GMT
Server
nginx
Connection
keep-alive
Content-Length
38
Strict-Transport-Security
max-age=31556926; includeSubDomains; preload
Content-Type
application/javascript; charset=utf-8

Failed requests

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

Domain
k12online.vn
URL
https://k12online.vn/upload/2001774/fck/files/78805a221a988e79ef3f42d7c5bfd418(223).png

Verdicts & Comments Add Verdict or Comment

36 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| onbeforexrselect object| ontransitionrun object| ontransitionstart object| ontransitioncancel object| cookieStore function| showDirectoryPicker function| showOpenFilePicker function| showSaveFilePicker boolean| originAgentCluster object| trustedTypes boolean| crossOriginIsolated object| GITBOOK_STATE object| __LOADABLE_LOADED_CHUNKS__ object| GitBook object| __SENTRY__ function| _lrMutationObserver object| __SDKCONFIG__ number| 2f1acc6c3a606b082e5eef5e54414ffb function| Intercom function| Mousetrap function| setImmediate function| clearImmediate object| Prism object| __algolia object| regeneratorRuntime function| _LRLogger boolean| _lr_loaded function| pLPCommand1 function| pRTLPCB1 boolean| __isReactDndBackendSetUp string| GoogleAnalyticsObject function| ga object| google_tag_data object| gaplugins object| gaGlobal object| gaData

6 Cookies

Domain/Path Name / Value
.k12online.vn/ Name: _gat_space
Value: 1
.support.k12online.vn/ Name: _gid
Value: GA1.3.1596552137.1621258719
.support.k12online.vn/ Name: _ga
Value: GA1.3.180685902.1621258719
.k12online.vn/ Name: _gid
Value: GA1.2.1596552137.1621258719
.k12online.vn/ Name: _ga
Value: GA1.2.180685902.1621258719
.k12online.vn/ Name: amplitude_id_fef1e872c952688acd962d30aa545b9ek12online.vn
Value: eyJkZXZpY2VJZCI6ImQ5MGVhNzU3LThlNDktNDVjNC04M2U2LTM4OWQxZWE0Nzk4Y1IiLCJ1c2VySWQiOm51bGwsIm9wdE91dCI6ZmFsc2UsInNlc3Npb25JZCI6MTYyMTI1ODcxODY4OCwibGFzdEV2ZW50VGltZSI6MTYyMTI1ODcxOTE1NiwiZXZlbnRJZCI6MSwiaWRlbnRpZnlJZCI6MCwic2VxdWVuY2VOdW1iZXIiOjF9

1 Console Messages

Source Level URL
Text
console-api log URL: https://gstatic.gitbook.com/js/111.f142f50e.js(Line 2)
Message:
Application ready

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
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Strict-Transport-Security max-age=31536000; includeSubDomains
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X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Indicators

This is a term in the security industry to describe indicators such as IPs, Domains, Hashes, etc. This does not imply that any of these indicate malicious activity.

app.gitbook.com
cdn.lr-ingest.io
fonts.googleapis.com
gitbook-28427.firebaseio.com
gstatic.gitbook.com
k12online.vn
lh3.googleusercontent.com
polyfill.io
s-usc1c-nss-234.firebaseio.com
support.k12online.vn
unpkg.com
www.gitbook.com
www.google-analytics.com
k12online.vn
117.5.229.200
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