URL: https://billing.klass.lk/
Submission: On August 29 via automatic, source certstream-suspicious — Scanned from IT

Summary

This website contacted 5 IPs in 1 countries across 3 domains to perform 38 HTTP transactions. The main IP is 76.76.21.21, located in Walnut, United States and belongs to AMAZON-02, US. The main domain is billing.klass.lk.
TLS certificate: Issued by R11 on August 29th 2024. Valid for: 3 months.
This is the only time billing.klass.lk was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
34 76.76.21.21 16509 (AMAZON-02)
2 13.32.121.97 16509 (AMAZON-02)
1 76.76.21.93 16509 (AMAZON-02)
1 172.67.145.223 13335 (CLOUDFLAR...)
38 5
Apex Domain
Subdomains
Transfer
34 klass.lk
billing.klass.lk
1 MB
3 dub.co
assets.dub.co
status.dub.co
14 KB
1 dubcdn.com
www.dubcdn.com
1 KB
38 3
Domain Requested by
34 billing.klass.lk billing.klass.lk
2 assets.dub.co billing.klass.lk
1 www.dubcdn.com billing.klass.lk
1 status.dub.co billing.klass.lk
38 4

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

Domain
dub.co
app.dub.co
twitter.com
github.com
www.linkedin.com
www.youtube.com
status.dub.co
Subject Issuer Validity Valid
billing.klass.lk
R11
2024-08-29 -
2024-11-27
3 months crt.sh
assets.dub.co
Amazon RSA 2048 M03
2024-02-27 -
2025-03-28
a year crt.sh
*.dub.co
R10
2024-08-06 -
2024-11-04
3 months crt.sh
www.dubcdn.com
E5
2024-07-02 -
2024-09-30
3 months crt.sh

This page contains 1 frames:

Primary Page: https://billing.klass.lk/
Frame ID: 82F58E1ACABE7632E78BBAF037042B7E
Requests: 41 HTTP requests in this frame

Screenshot

Page Title

BILLING.KLASS.LK - A Dub.co Custom Domain

Page Statistics

38
Requests

100 %
HTTPS

0 %
IPv6

3
Domains

4
Subdomains

5
IPs

1
Countries

1101 kB
Transfer

3375 kB
Size

1
Cookies

Redirected requests

There were HTTP redirect chains for the following requests:

38 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Primary Request /
billing.klass.lk/
51 KB
10 KB
Document
General
Full URL
https://billing.klass.lk/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
76.76.21.21 Walnut, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Vercel / Dub.co - Link management for modern marketing teams
Resource Hash
1f567f273aff259d7c9caa11a1deca82e150eb82fcd192868bf8cb4bb57839ab
Security Headers
Name Value
Strict-Transport-Security max-age=63072000
X-Frame-Options DENY

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

access-control-allow-origin
*
age
669
cache-control
public, max-age=0, must-revalidate
content-disposition
inline
content-encoding
br
content-type
text/html; charset=utf-8
date
Thu, 29 Aug 2024 10:21:54 GMT
etag
W/"a372209822733784a5e616a5943a534e"
referrer-policy
no-referrer-when-downgrade
server
Vercel
strict-transport-security
max-age=63072000
vary
RSC, Next-Router-State-Tree, Next-Router-Prefetch
x-dns-prefetch-control
on
x-frame-options
DENY
x-matched-path
/billing.klass.lk
x-middleware-set-cookie
dclid=GMC5xxUTUZqGIe3W; Path=/; Expires=Thu, 29 Aug 2024 11:21:54 GMT; Max-Age=3600
x-powered-by
Dub.co - Link management for modern marketing teams
x-vercel-cache
HIT
x-vercel-id
fra1::qk8x8-1724926914912-202675d2dd97
a34f9d1faa5f3315-s.p.woff2
billing.klass.lk/_next/static/media/
47 KB
48 KB
Font
General
Full URL
https://billing.klass.lk/_next/static/media/a34f9d1faa5f3315-s.p.woff2
Requested by
Host: billing.klass.lk
URL: https://billing.klass.lk/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
76.76.21.21 Walnut, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Vercel /
Resource Hash
c88db2401bef7e1203e0933cc5525a0f81863bfd076756db12acea5596f089ec
Security Headers
Name Value
Strict-Transport-Security max-age=63072000
X-Frame-Options DENY

Request headers

Referer
https://billing.klass.lk/
Origin
https://billing.klass.lk
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
Thu, 29 Aug 2024 10:21:55 GMT
strict-transport-security
max-age=63072000
age
14326
x-dns-prefetch-control
on
content-disposition
inline; filename="a34f9d1faa5f3315-s.p.woff2"
content-length
48556
referrer-policy
no-referrer-when-downgrade
server
Vercel
x-vercel-id
fra1::8rh2x-1724926915049-f5a37daf4374
x-matched-path
/_next/static/media/a34f9d1faa5f3315-s.p.woff2
etag
"d4fe31e6a2aebc06b8d6e558c9141119"
x-vercel-cache
HIT
x-frame-options
DENY
content-type
font/woff2
access-control-allow-origin
*
cache-control
public,max-age=31536000,immutable
accept-ranges
bytes
d9396795aa5ec363-s.p.woff2
billing.klass.lk/_next/static/media/
42 KB
42 KB
Font
General
Full URL
https://billing.klass.lk/_next/static/media/d9396795aa5ec363-s.p.woff2
Requested by
Host: billing.klass.lk
URL: https://billing.klass.lk/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
76.76.21.21 Walnut, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Vercel /
Resource Hash
e739aff9b4d02c264341d6d4872edcda28e79373aeda936f659566a1cd3eb47f
Security Headers
Name Value
Strict-Transport-Security max-age=63072000
X-Frame-Options DENY

Request headers

Referer
https://billing.klass.lk/
Origin
https://billing.klass.lk
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
Thu, 29 Aug 2024 10:21:55 GMT
strict-transport-security
max-age=63072000
age
14327
x-dns-prefetch-control
on
content-disposition
inline; filename="d9396795aa5ec363-s.p.woff2"
content-length
42588
referrer-policy
no-referrer-when-downgrade
server
Vercel
x-vercel-id
fra1::vmrc6-1724926915049-0991e51ccaae
x-matched-path
/_next/static/media/d9396795aa5ec363-s.p.woff2
etag
"70880e42f07b0386e261974cd14820a1"
x-vercel-cache
HIT
x-frame-options
DENY
content-type
font/woff2
access-control-allow-origin
*
cache-control
public,max-age=31536000,immutable
accept-ranges
bytes
bf8f7e7ab4fb2de7.css
billing.klass.lk/_next/static/css/
3 KB
941 B
Stylesheet
General
Full URL
https://billing.klass.lk/_next/static/css/bf8f7e7ab4fb2de7.css?dpl=dpl_Lq4KijDbvPGDQcyavwwUpLB3Zkxy
Requested by
Host: billing.klass.lk
URL: https://billing.klass.lk/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
76.76.21.21 Walnut, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Vercel /
Resource Hash
daa5e72a7686bf610e235948ee0be8331aa5750ddf8774b70e04416a6dcccc86
Security Headers
Name Value
Strict-Transport-Security max-age=63072000
X-Frame-Options DENY

Request headers

Referer
https://billing.klass.lk/
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
Thu, 29 Aug 2024 10:21:55 GMT
content-encoding
br
strict-transport-security
max-age=63072000
age
14584
x-dns-prefetch-control
on
content-disposition
inline; filename="bf8f7e7ab4fb2de7.css"
referrer-policy
no-referrer-when-downgrade
server
Vercel
x-vercel-id
fra1::jsgrh-1724926915052-e06b631b51af
x-matched-path
/_next/static/css/bf8f7e7ab4fb2de7.css
etag
W/"978de0e9bab18c9eefd244b71f52e58c"
x-vercel-cache
HIT
x-frame-options
DENY
content-type
text/css; charset=utf-8
access-control-allow-origin
*
cache-control
public,max-age=31536000,immutable
c886994098b5f0fe.css
billing.klass.lk/_next/static/css/
123 KB
21 KB
Stylesheet
General
Full URL
https://billing.klass.lk/_next/static/css/c886994098b5f0fe.css?dpl=dpl_Lq4KijDbvPGDQcyavwwUpLB3Zkxy
Requested by
Host: billing.klass.lk
URL: https://billing.klass.lk/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
76.76.21.21 Walnut, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Vercel /
Resource Hash
934d993fb93281b11a274077d93d8b39df6badf7c9dd9047dcddb5812dc816bb
Security Headers
Name Value
Strict-Transport-Security max-age=63072000
X-Frame-Options DENY

Request headers

Referer
https://billing.klass.lk/
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
Thu, 29 Aug 2024 10:21:55 GMT
content-encoding
br
strict-transport-security
max-age=63072000
age
14584
x-dns-prefetch-control
on
content-disposition
inline; filename="c886994098b5f0fe.css"
referrer-policy
no-referrer-when-downgrade
server
Vercel
x-vercel-id
fra1::gkxf2-1724926915051-6851b86145f1
x-matched-path
/_next/static/css/c886994098b5f0fe.css
etag
W/"8b27791afc88410bb5a34b0c6e38411f"
x-vercel-cache
HIT
x-frame-options
DENY
content-type
text/css; charset=utf-8
access-control-allow-origin
*
cache-control
public,max-age=31536000,immutable
webpack-f0fe8f3b4d9485f3.js
billing.klass.lk/_next/static/chunks/
11 KB
6 KB
Script
General
Full URL
https://billing.klass.lk/_next/static/chunks/webpack-f0fe8f3b4d9485f3.js?dpl=dpl_Lq4KijDbvPGDQcyavwwUpLB3Zkxy
Requested by
Host: billing.klass.lk
URL: https://billing.klass.lk/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
76.76.21.21 Walnut, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Vercel /
Resource Hash
3aaedf024881d3a6d7a77fd999456a79b1c3b7f776facc05379e761e4741e064
Security Headers
Name Value
Strict-Transport-Security max-age=63072000
X-Frame-Options DENY

Request headers

Referer
https://billing.klass.lk/
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
Thu, 29 Aug 2024 10:21:55 GMT
content-encoding
br
strict-transport-security
max-age=63072000
age
14584
x-dns-prefetch-control
on
content-disposition
inline; filename="webpack-f0fe8f3b4d9485f3.js"
referrer-policy
no-referrer-when-downgrade
server
Vercel
x-vercel-id
fra1::s5qn7-1724926915472-20fb740152f5
x-matched-path
/_next/static/chunks/webpack-f0fe8f3b4d9485f3.js
etag
W/"0810fc5d1e7949a7ad10c50eb151b004"
x-vercel-cache
HIT
x-frame-options
DENY
content-type
application/javascript; charset=utf-8
access-control-allow-origin
*
cache-control
public,max-age=31536000,immutable
01f950b4-f8389982da6c1625.js
billing.klass.lk/_next/static/chunks/
169 KB
55 KB
Script
General
Full URL
https://billing.klass.lk/_next/static/chunks/01f950b4-f8389982da6c1625.js?dpl=dpl_Lq4KijDbvPGDQcyavwwUpLB3Zkxy
Requested by
Host: billing.klass.lk
URL: https://billing.klass.lk/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
76.76.21.21 Walnut, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Vercel /
Resource Hash
bbe9a2bc28f98a70b9f460c0ba6a3b10ec789a07a70ed83e1f7cf8cf1ec52b63
Security Headers
Name Value
Strict-Transport-Security max-age=63072000
X-Frame-Options DENY

Request headers

Referer
https://billing.klass.lk/
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
Thu, 29 Aug 2024 10:21:55 GMT
content-encoding
br
strict-transport-security
max-age=63072000
age
12248
x-dns-prefetch-control
on
content-disposition
inline; filename="01f950b4-f8389982da6c1625.js"
referrer-policy
no-referrer-when-downgrade
server
Vercel
x-vercel-id
fra1::q98sg-1724926915472-41f8d82ffab5
x-matched-path
/_next/static/chunks/01f950b4-f8389982da6c1625.js
etag
W/"5f9562a673dd482290dba35395be3306"
x-vercel-cache
HIT
x-frame-options
DENY
content-type
application/javascript; charset=utf-8
access-control-allow-origin
*
cache-control
public,max-age=31536000,immutable
4476-c01bec67ccb8808a.js
billing.klass.lk/_next/static/chunks/
122 KB
33 KB
Script
General
Full URL
https://billing.klass.lk/_next/static/chunks/4476-c01bec67ccb8808a.js?dpl=dpl_Lq4KijDbvPGDQcyavwwUpLB3Zkxy
Requested by
Host: billing.klass.lk
URL: https://billing.klass.lk/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
76.76.21.21 Walnut, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Vercel /
Resource Hash
bd10e39077384613a633d8294914566e94055085b2094a19a31b834ca8ce1f2a
Security Headers
Name Value
Strict-Transport-Security max-age=63072000
X-Frame-Options DENY

Request headers

Referer
https://billing.klass.lk/
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
Thu, 29 Aug 2024 10:21:55 GMT
content-encoding
br
strict-transport-security
max-age=63072000
age
2843
x-dns-prefetch-control
on
content-disposition
inline; filename="4476-c01bec67ccb8808a.js"
referrer-policy
no-referrer-when-downgrade
server
Vercel
x-vercel-id
fra1::99xrv-1724926915479-5f87158e7218
x-matched-path
/_next/static/chunks/4476-c01bec67ccb8808a.js
etag
W/"965f2b70163c01863d474142a1694dad"
x-vercel-cache
HIT
x-frame-options
DENY
content-type
application/javascript; charset=utf-8
access-control-allow-origin
*
cache-control
public,max-age=31536000,immutable
main-app-e5262c9f0f56b553.js
billing.klass.lk/_next/static/chunks/
605 B
785 B
Script
General
Full URL
https://billing.klass.lk/_next/static/chunks/main-app-e5262c9f0f56b553.js?dpl=dpl_Lq4KijDbvPGDQcyavwwUpLB3Zkxy
Requested by
Host: billing.klass.lk
URL: https://billing.klass.lk/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
76.76.21.21 Walnut, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Vercel /
Resource Hash
5a7ebdf19c16537a03d90b45fd9800065893a9cc0ea7067cd15e046e795ceaf7
Security Headers
Name Value
Strict-Transport-Security max-age=63072000
X-Frame-Options DENY

Request headers

Referer
https://billing.klass.lk/
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
Thu, 29 Aug 2024 10:21:55 GMT
strict-transport-security
max-age=63072000
age
14584
x-dns-prefetch-control
on
content-disposition
inline; filename="main-app-e5262c9f0f56b553.js"
content-length
605
referrer-policy
no-referrer-when-downgrade
server
Vercel
x-vercel-id
fra1::q98sg-1724926915479-6034f4075cc2
x-matched-path
/_next/static/chunks/main-app-e5262c9f0f56b553.js
etag
"55ba212a50ab4820898fade45e33efd2"
x-vercel-cache
HIT
x-frame-options
DENY
content-type
application/javascript; charset=utf-8
access-control-allow-origin
*
cache-control
public,max-age=31536000,immutable
accept-ranges
bytes
69bc96fe-247befa99fc03b0b.js
billing.klass.lk/_next/static/chunks/
8 KB
3 KB
Script
General
Full URL
https://billing.klass.lk/_next/static/chunks/69bc96fe-247befa99fc03b0b.js?dpl=dpl_Lq4KijDbvPGDQcyavwwUpLB3Zkxy
Requested by
Host: billing.klass.lk
URL: https://billing.klass.lk/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
76.76.21.21 Walnut, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Vercel /
Resource Hash
2f2355c94830573647ca60667b0b5cbfd8cc8a8f658bdeb07ee8b928ef57dd85
Security Headers
Name Value
Strict-Transport-Security max-age=63072000
X-Frame-Options DENY

Request headers

Referer
https://billing.klass.lk/
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
Thu, 29 Aug 2024 10:21:55 GMT
content-encoding
br
strict-transport-security
max-age=63072000
age
14584
x-dns-prefetch-control
on
content-disposition
inline; filename="69bc96fe-247befa99fc03b0b.js"
referrer-policy
no-referrer-when-downgrade
server
Vercel
x-vercel-id
fra1::s5qn7-1724926915479-18285438d9a7
x-matched-path
/_next/static/chunks/69bc96fe-247befa99fc03b0b.js
etag
W/"30967ddcfadc2ae355ba580e2826f51e"
x-vercel-cache
HIT
x-frame-options
DENY
content-type
application/javascript; charset=utf-8
access-control-allow-origin
*
cache-control
public,max-age=31536000,immutable
7482-155040ea686562b6.js
billing.klass.lk/_next/static/chunks/
28 KB
10 KB
Script
General
Full URL
https://billing.klass.lk/_next/static/chunks/7482-155040ea686562b6.js?dpl=dpl_Lq4KijDbvPGDQcyavwwUpLB3Zkxy
Requested by
Host: billing.klass.lk
URL: https://billing.klass.lk/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
76.76.21.21 Walnut, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Vercel /
Resource Hash
594da42fa8395d6c308b77bfdca1f395c6887bb63217acb6d7a6f5b6eb9bd65a
Security Headers
Name Value
Strict-Transport-Security max-age=63072000
X-Frame-Options DENY

Request headers

Referer
https://billing.klass.lk/
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
Thu, 29 Aug 2024 10:21:55 GMT
content-encoding
br
strict-transport-security
max-age=63072000
age
14584
x-dns-prefetch-control
on
content-disposition
inline; filename="7482-155040ea686562b6.js"
referrer-policy
no-referrer-when-downgrade
server
Vercel
x-vercel-id
fra1::v78bl-1724926915480-162fe9c38c74
x-matched-path
/_next/static/chunks/7482-155040ea686562b6.js
etag
W/"4de9b0decbb885fb059f6ac411a705a4"
x-vercel-cache
HIT
x-frame-options
DENY
content-type
application/javascript; charset=utf-8
access-control-allow-origin
*
cache-control
public,max-age=31536000,immutable
6275-253509c67b2a1757.js
billing.klass.lk/_next/static/chunks/
62 KB
26 KB
Script
General
Full URL
https://billing.klass.lk/_next/static/chunks/6275-253509c67b2a1757.js?dpl=dpl_Lq4KijDbvPGDQcyavwwUpLB3Zkxy
Requested by
Host: billing.klass.lk
URL: https://billing.klass.lk/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
76.76.21.21 Walnut, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Vercel /
Resource Hash
5b1263b92aa777d6d1d0efd130f1b72f729a9680068134e4917c13c074d63375
Security Headers
Name Value
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Response headers

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Response headers

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Response headers

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Response headers

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content-encoding
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Response headers

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Response headers

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Thu, 29 Aug 2024 10:21:55 GMT
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Response headers

date
Thu, 29 Aug 2024 10:21:55 GMT
content-encoding
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General
Full URL
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Request headers

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Response headers

date
Thu, 29 Aug 2024 10:21:55 GMT
content-encoding
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Full URL
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Requested by
Host: billing.klass.lk
URL: https://billing.klass.lk/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
76.76.21.21 Walnut, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
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Security Headers
Name Value
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date
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content-encoding
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Vercel
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x-vercel-cache
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x-frame-options
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content-type
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General
Full URL
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Requested by
Host: billing.klass.lk
URL: https://billing.klass.lk/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
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Name Value
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Response headers

date
Thu, 29 Aug 2024 10:21:55 GMT
strict-transport-security
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General
Full URL
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Requested by
Host: billing.klass.lk
URL: https://billing.klass.lk/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
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Request headers

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Response headers

date
Thu, 29 Aug 2024 10:21:55 GMT
content-encoding
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General
Full URL
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Requested by
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Protocol
H2
Security
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Server
76.76.21.21 Walnut, United States, ASN16509 (AMAZON-02, US),
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Security Headers
Name Value
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Request headers

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Response headers

date
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content-encoding
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strict-transport-security
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URL: https://billing.klass.lk/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
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Request headers

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User-Agent
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Response headers

date
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content-encoding
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strict-transport-security
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Full URL
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H2
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Security Headers
Name Value
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Request headers

Referer
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User-Agent
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Response headers

date
Thu, 29 Aug 2024 10:21:55 GMT
content-encoding
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strict-transport-security
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x-vercel-id
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x-vercel-cache
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x-frame-options
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content-type
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General
Full URL
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Requested by
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URL: https://billing.klass.lk/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
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Security Headers
Name Value
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Request headers

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Response headers

date
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content-encoding
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strict-transport-security
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Vercel
x-vercel-id
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x-vercel-cache
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x-frame-options
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General
Full URL
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Requested by
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URL: https://billing.klass.lk/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
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Security Headers
Name Value
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Request headers

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User-Agent
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Response headers

date
Thu, 29 Aug 2024 10:21:55 GMT
content-encoding
br
strict-transport-security
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x-frame-options
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957 B
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General
Full URL
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Requested by
Host: billing.klass.lk
URL: https://billing.klass.lk/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
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Request headers

Referer
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User-Agent
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Response headers

x-amz-version-id
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content-encoding
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via
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strict-transport-security
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x-xss-protection
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server
AmazonS3
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content-type
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Full URL
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Requested by
Host: billing.klass.lk
URL: https://billing.klass.lk/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
76.76.21.21 Walnut, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Vercel /
Resource Hash
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Security Headers
Name Value
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Request headers

Referer
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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-security-policy
script-src 'none'; frame-src 'none'; sandbox;
date
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strict-transport-security
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server
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Full URL
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Request headers

Referer
User-Agent
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Response headers

Content-Type
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Full URL
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Requested by
Host: billing.klass.lk
URL: https://billing.klass.lk/_next/static/chunks/4239-8403203017c9537b.js?dpl=dpl_Lq4KijDbvPGDQcyavwwUpLB3Zkxy
Protocol
H2
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TLS 1.3, , AES_128_GCM
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Software
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Request headers

Referer
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Response headers

content-security-policy
base-uri 'none';child-src 'none';connect-src 'self' vitals.vercel-insights.com status-page-2zs057qi5-incident-io-team.vercel.app https://*.google-analytics.com https://*.analytics.google.com https://*.googletagmanager.com https://*.google.com https://*.google.co.uk https://*.g.doubleclick.net https://global.localizecdn.com https://app.localizejs.com https://snippet.unbabel.com https://e2.bablic.com;default-src 'self';font-src 'self';form-action 'self';frame-ancestors self;frame-src 'none';img-src 'self' data: https://*.google-analytics.com https://*.googletagmanager.com https://*.analytics.google.com https://*.g.doubleclick.net https://*.google.com https://*.google.co.uk https://global.localizecdn.com https://assets.localizecdn.com;manifest-src 'self';media-src 'self';object-src 'none';prefetch-src 'self';script-src 'self' 'unsafe-inline' https:;style-src 'self' 'unsafe-inline';worker-src 'self';report-uri https://o494704.ingest.sentry.io/api/4504554480795648/security?security_key=5d578c0eb4bd4811adf4f2176db9a1c8;report-to https://o494704.ingest.sentry.io/api/4504554480795648/security?security_key=5d578c0eb4bd4811adf4f2176db9a1c8;
content-encoding
br
x-content-type-options
nosniff
date
Thu, 29 Aug 2024 10:20:29 GMT
strict-transport-security
max-age=63072000; includeSubDomains; preload
age
87
x-xss-protection
1; mode=block
referrer-policy
no-referrer
server
Vercel
x-vercel-id
fra1::dub1::4md4j-1724926916229-2b6173011a62
x-matched-path
/[slug]/api/v1/summary
x-vercel-cache
STALE
vary
RSC, Next-Router-State-Tree, Next-Router-Prefetch, Next-Url
access-control-allow-methods
GET,OPTIONS,PATCH,DELETE,POST,PUT
content-type
application/json
access-control-allow-origin
*
x-vercel-execution-region
dub1
cache-control
public
feature-policy
clipboard-read 'none';clipboard-write self;gamepad 'none';speaker-selection 'none';accelerometer 'none';ambient-light-sensor 'none';autoplay 'none';battery 'none';camera 'none';cross-origin-isolated 'none';display-capture 'none';document-domain 'none';encrypted-media 'none';execution-while-not-rendered 'none';execution-while-out-of-viewport 'none';fullscreen 'none';geolocation 'none';gyroscope 'none';magnetometer 'none';microphone 'none';midi 'none';navigation-override 'none';payment 'none';picture-in-picture 'none';publickey-credentials-get 'none';screen-wake-lock 'none';sync-xhr 'none';usb 'none';web-share 'none';xr-spatial-tracking 'none';
permissions-policy
clipboard-read=(),clipboard-write=(self),gamepad=(),speaker-selection=(),accelerometer=(),ambient-light-sensor=(),autoplay=(),battery=(),camera=(),cross-origin-isolated=(),display-capture=(),document-domain=(),encrypted-media=(),execution-while-not-rendered=(),execution-while-out-of-viewport=(),fullscreen=(),geolocation=(),gyroscope=(),magnetometer=(),microphone=(),midi=(),navigation-override=(),payment=(),picture-in-picture=(),publickey-credentials-get=(),screen-wake-lock=(),sync-xhr=(),usb=(),web-share=(),xr-spatial-tracking=()
x-frame-options
SAMEORIGIN
access-control-allow-headers
X-CSRF-Token, X-Requested-With, Accept, Accept-Version, Content-Length, Content-MD5, Content-Type, Date, X-Api-Version
x-webkit-csp
base-uri 'none';child-src 'none';connect-src 'self' vitals.vercel-insights.com status-page-2zs057qi5-incident-io-team.vercel.app https://*.google-analytics.com https://*.analytics.google.com https://*.googletagmanager.com https://*.google.com https://*.google.co.uk https://*.g.doubleclick.net https://global.localizecdn.com https://app.localizejs.com https://snippet.unbabel.com https://e2.bablic.com;default-src 'self';font-src 'self';form-action 'self';frame-ancestors self;frame-src 'none';img-src 'self' data: https://*.google-analytics.com https://*.googletagmanager.com https://*.analytics.google.com https://*.g.doubleclick.net https://*.google.com https://*.google.co.uk https://global.localizecdn.com https://assets.localizecdn.com;manifest-src 'self';media-src 'self';object-src 'none';prefetch-src 'self';script-src 'self' 'unsafe-inline' https:;style-src 'self' 'unsafe-inline';worker-src 'self';report-uri https://o494704.ingest.sentry.io/api/4504554480795648/security?security_key=5d578c0eb4bd4811adf4f2176db9a1c8;report-to https://o494704.ingest.sentry.io/api/4504554480795648/security?security_key=5d578c0eb4bd4811adf4f2176db9a1c8;
x-content-security-policy
base-uri 'none';child-src 'none';connect-src 'self' vitals.vercel-insights.com status-page-2zs057qi5-incident-io-team.vercel.app https://*.google-analytics.com https://*.analytics.google.com https://*.googletagmanager.com https://*.google.com https://*.google.co.uk https://*.g.doubleclick.net https://global.localizecdn.com https://app.localizejs.com https://snippet.unbabel.com https://e2.bablic.com;default-src 'self';font-src 'self';form-action 'self';frame-ancestors self;frame-src 'none';img-src 'self' data: https://*.google-analytics.com https://*.googletagmanager.com https://*.analytics.google.com https://*.g.doubleclick.net https://*.google.com https://*.google.co.uk https://global.localizecdn.com https://assets.localizecdn.com;manifest-src 'self';media-src 'self';object-src 'none';prefetch-src 'self';script-src 'self' 'unsafe-inline' https:;style-src 'self' 'unsafe-inline';worker-src 'self';report-uri https://o494704.ingest.sentry.io/api/4504554480795648/security?security_key=5d578c0eb4bd4811adf4f2176db9a1c8;report-to https://o494704.ingest.sentry.io/api/4504554480795648/security?security_key=5d578c0eb4bd4811adf4f2176db9a1c8;
scene.splinecode
assets.dub.co/misc/
8 KB
9 KB
Fetch
General
Full URL
https://assets.dub.co/misc/scene.splinecode
Requested by
Host: billing.klass.lk
URL: https://billing.klass.lk/_next/static/chunks/38edd9fe-17161261cfd9ec1b.js?dpl=dpl_Lq4KijDbvPGDQcyavwwUpLB3Zkxy
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
13.32.121.97 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-13-32-121-97.fra60.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
9e6a19fb8db7b8bec086b0ea22ef8316449a9e4509f027f0c571e875fd58b424
Security Headers
Name Value
Strict-Transport-Security max-age=31536000
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

Referer
https://billing.klass.lk/
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
Wed, 28 Aug 2024 15:51:39 GMT
x-amz-version-id
V1xF_4arJxiarDgm8bqnp1wjk4ctWjqb
via
1.1 c80fd33b8f8c4dff5488cc52ba797aa6.cloudfront.net (CloudFront)
x-content-type-options
nosniff
strict-transport-security
max-age=31536000
x-amz-cf-pop
FRA60-P1
age
66618
x-amz-server-side-encryption
AES256
x-cache
Hit from cloudfront
content-length
8681
x-xss-protection
1; mode=block
referrer-policy
strict-origin-when-cross-origin
last-modified
Wed, 22 May 2024 16:26:11 GMT
server
AmazonS3
etag
"bf1aecd7b61133c9107513384e31ea7b"
x-frame-options
SAMEORIGIN
access-control-allow-methods
GET, HEAD
content-type
binary/octet-stream
access-control-allow-origin
*
accept-ranges
bytes
x-amz-cf-id
Kv3zpK6d42w1QutLJWgMRb-luZR9yFGVfa-ncQEgryHPFexxAuKgIA==
script.js
www.dubcdn.com/analytics/
2 KB
1 KB
Script
General
Full URL
https://www.dubcdn.com/analytics/script.js
Requested by
Host: billing.klass.lk
URL: https://billing.klass.lk/_next/static/chunks/app/layout-26bf143d2c49c140.js?dpl=dpl_Lq4KijDbvPGDQcyavwwUpLB3Zkxy
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
172.67.145.223 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
059bcd23f1d1cf48771a388aeeb0275ca19da446df6165db639e24aeb88c3233
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

Referer
https://billing.klass.lk/
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
Thu, 29 Aug 2024 10:21:56 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
HIT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
age
6431
alt-svc
h3=":443"; ma=86400
referrer-policy
strict-origin-when-cross-origin
server
cloudflare
etag
W/"935c829b843ed310faa1b7c16bea1bc7"
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=EZxyjELz7Xtr2IJTsnb2wiXyi8dICM14fwjNt4D2437LA%2B1R6k%2FrspYEcwydv5zaLGmGfkqJLSAjTVlUg7YfSfzLdEbQsXbfdRUl1Ruho6f2my79LGGIfQSoMkh1e%2B4cnw%3D%3D"}],"group":"cf-nel","max_age":604800}
content-type
application/javascript
access-control-allow-origin
*
cache-control
public, max-age=14400, must-revalidate
cf-ray
8babd12f0a220e53-MXP
truncated
/
177 B
0
Image
General
Full URL
data:truncated
Protocol
DATA
Server
-, , ASN (),
Reverse DNS
Software
/
Resource Hash
4481f54a16e0f6543f0323f4716cb27792918bcf273294232153bf55c659712d

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

Content-Type
image/png
truncated
/
49 KB
0
Image
General
Full URL
data:truncated
Protocol
DATA
Server
-, , ASN (),
Reverse DNS
Software
/
Resource Hash
61765e87819b91a77d8939f1c479c67917eeb0f8cc5bcd17d21684d53dadff4a

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

Content-Type
image/png
favicon-32x32.png
billing.klass.lk/
851 B
1 KB
Other
General
Full URL
https://billing.klass.lk/favicon-32x32.png
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
76.76.21.21 Walnut, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Vercel /
Resource Hash
ee75848a173441d72729d5a5ad361def8c1bc4c5072c06cd775e0311bd06fc30
Security Headers
Name Value
Strict-Transport-Security max-age=63072000
X-Frame-Options DENY

Request headers

Referer
https://billing.klass.lk/
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
Thu, 29 Aug 2024 10:21:57 GMT
strict-transport-security
max-age=63072000
age
14585
x-dns-prefetch-control
on
content-disposition
inline; filename="favicon-32x32.png"
content-length
851
referrer-policy
no-referrer-when-downgrade
server
Vercel
x-vercel-id
fra1::mv76h-1724926917071-ac559dabd6c8
x-matched-path
/favicon-32x32.png
etag
"7b4af41b30c7e0b4bf4603535bd35a54"
x-vercel-cache
HIT
x-frame-options
DENY
content-type
image/png
access-control-allow-origin
*
cache-control
public, max-age=0, must-revalidate
accept-ranges
bytes

Verdicts & Comments Add Verdict or Comment

4 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| __next_f object| webpackChunk_N_E object| next string| __THREE__

1 Cookies

Domain/Path Name / Value
billing.klass.lk/ Name: dclid
Value: GMC5xxUTUZqGIe3W

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=63072000
X-Frame-Options DENY

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.

assets.dub.co
billing.klass.lk
status.dub.co
www.dubcdn.com
13.32.121.97
172.67.145.223
76.76.21.21
76.76.21.93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