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ipv4.auth.gotcha.tk Open in urlscan Pro
45.76.243.1  Public Scan

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Submitted URL: https://ipv4.auth.gotcha.tk/
Effective URL: https://ipv4.auth.gotcha.tk/welcome.html
Submission: On October 21 via automatic, source certstream-suspicious
 Behaviour Indicators
Similar DOM Content API
Verdicts

Summary

This website contacted 2 IPs in 2 countries across 2 domains to perform 4 HTTP transactions. The main IP is 45.76.243.1, located in Seattle, United States and belongs to AS-CHOOPA, US. The main domain is ipv4.auth.gotcha.tk.
TLS certificate: Issued by Let's Encrypt Authority X3 on October 21st 2020. Valid for: 3 months.
This is the only time ipv4.auth.gotcha.tk was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
1 3 45.76.243.1 20473 (AS-CHOOPA)
2 110.53.246.91 4837 (CHINA169-...)
4 2
Apex Domain
Subdomains		 Transfer
3 gotcha.tk
ipv4.auth.gotcha.tk
5 KB
2 bootcdn.net
cdn.bootcdn.net
48 KB
4 2
Domain Requested by
3 ipv4.auth.gotcha.tk 1 redirects ipv4.auth.gotcha.tk
2 cdn.bootcdn.net ipv4.auth.gotcha.tk
4 2

This site contains no links.

Subject Issuer Validity Valid
auth.gotcha.tk
Let's Encrypt Authority X3		 2020-10-21 -
2021-01-19		 3 months crt.sh
*.bootcdn.net
Let's Encrypt Authority X3		 2020-08-24 -
2020-11-22		 3 months crt.sh

This page contains 1 frames:

Primary Page: https://ipv4.auth.gotcha.tk/welcome.html
Frame ID: 34B6BDBA54C69557F092DF0C4AE7A2EB
Requests: 4 HTTP requests in this frame

Screenshot
Live screenshot
Full Image

Page URL History Show full URLs

  1. https://ipv4.auth.gotcha.tk/ HTTP 301
    https://ipv4.auth.gotcha.tk/welcome.html Page URL

Detected technologies

Overall confidence: 100%
Detected patterns
  • headers server /Ubuntu/i
Overall confidence: 100%
Detected patterns
  • headers server /nginx(?:\/([\d.]+))?/i
Overall confidence: 100%
Detected patterns
  • script /\/([\d.]+)\/jquery(?:\.min)?\.js/i
  • script /jquery.*\.js(?:\?ver(?:sion)?=([\d.]+))?/i

Page Statistics

4
Requests

100 %
HTTPS

0 %
IPv6

2
Domains

2
Subdomains

2
IPs

2
Countries

53 kB
Transfer

139 kB
Size

0
Cookies

Page URL History

This captures the URL locations of the websites, including HTTP redirects and client-side redirects via JavaScript or Meta fields.

  1. https://ipv4.auth.gotcha.tk/ HTTP 301
    https://ipv4.auth.gotcha.tk/welcome.html Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

4 HTTP transactions

Resource
Path		 Size
x-fer		 Type
MIME-Type
Primary Request welcome.html
ipv4.auth.gotcha.tk/
Redirect Chain
  • https://ipv4.auth.gotcha.tk/
  • https://ipv4.auth.gotcha.tk/welcome.html
1 KB
1 KB 		Document
General
Check archive.org
Download Go to
Full URL
https://ipv4.auth.gotcha.tk/welcome.html
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_256_GCM
Server
45.76.243.1 Seattle, United States, ASN20473 (AS-CHOOPA, US),
Reverse DNS
45.76.243.1.vultr.com
Software
nginx/1.18.0 (Ubuntu) / Express
Resource Hash
ce1db9a337a96f184395f1b10aaac7390a1c4597adfb30dc4d3777d4886702be
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains

Request headers

Host
ipv4.auth.gotcha.tk
Connection
keep-alive
Pragma
no-cache
Cache-Control
no-cache
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 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 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

Server
nginx/1.18.0 (Ubuntu)
Date
Wed, 21 Oct 2020 15:41:26 GMT
Content-Type
text/html; charset=UTF-8
Transfer-Encoding
chunked
Connection
keep-alive
X-Powered-By
Express
Cache-Control
public, max-age=0
Last-Modified
Wed, 21 Oct 2020 15:23:38 GMT
ETag
W/"572-1754bc2304b"
Strict-Transport-Security
max-age=31536000; includeSubDomains
Content-Encoding
gzip

Redirect headers

Server
nginx/1.18.0 (Ubuntu)
Date
Wed, 21 Oct 2020 15:41:26 GMT
Transfer-Encoding
chunked
Connection
keep-alive
X-Powered-By
Express
Location
/welcome.html
Strict-Transport-Security
max-age=31536000; includeSubDomains
jquery.min.js
cdn.bootcdn.net/ajax/libs/jquery/3.5.1/ 		87 KB
31 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://cdn.bootcdn.net/ajax/libs/jquery/3.5.1/jquery.min.js
Requested by
Host: ipv4.auth.gotcha.tk
URL: https://ipv4.auth.gotcha.tk/welcome.html
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
110.53.246.91 Changsha, China, ASN4837 (CHINA169-BACKBONE CHINA UNICOM China169 Backbone, CN),
Reverse DNS
Software
NWS_TCloud_static_msoc2 /
Resource Hash
f7f6a5894f1d19ddad6fa392b2ece2c5e578cbf7da4ea805b6885eb6985b6e3d
Security Headers
Name Value
Strict-Transport-Security max-age=15780000; includeSubDomains

Request headers

Referer
https://ipv4.auth.gotcha.tk/welcome.html
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

date
Tue, 20 Oct 2020 05:53:12 GMT
content-encoding
gzip
cf-cache-status
HIT
nel
{"report_to":"cf-nel","max_age":604800}
age
1483222
status
200
x-cache-lookup
Cache Hit, Hit From Inner Cluster
alt-svc
h3-27=":443"; ma=86400, h3-28=":443"; ma=86400, h3-29=":443"; ma=86400
content-length
30941
cf-request-id
05da9b5b4100003624ed10a000000001
timing-allow-origin
*
last-modified
Mon, 04 May 2020 23:01:39 GMT
server
NWS_TCloud_static_msoc2
etag
W/"5eb09ed3-15d84"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
strict-transport-security
max-age=15780000; includeSubDomains
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report?lkg-colo=12&lkg-time=1602979251"}],"group":"cf-nel","max_age":604800}
content-type
application/javascript;charset=utf-8
access-control-allow-origin
*
cache-control
public, max-age=30672000
x-daa-tunnel
hop_count=1
x-nws-log-uuid
5120414648695841851
accept-ranges
bytes
cf-ray
5e3dfb3ecbab3624-LAX
expires
Sun, 10 Oct 2021 05:53:12 GMT
crypto-js.min.js
cdn.bootcdn.net/ajax/libs/crypto-js/4.0.0/ 		47 KB
17 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://cdn.bootcdn.net/ajax/libs/crypto-js/4.0.0/crypto-js.min.js
Requested by
Host: ipv4.auth.gotcha.tk
URL: https://ipv4.auth.gotcha.tk/welcome.html
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
110.53.246.91 Changsha, China, ASN4837 (CHINA169-BACKBONE CHINA UNICOM China169 Backbone, CN),
Reverse DNS
Software
nws_ocmid_hy /
Resource Hash
eab5d90a71736f267af39fdf32caa8c71673fd06703279b01e0f92b0d7be0bfc
Security Headers
Name Value
Strict-Transport-Security max-age=15780000; includeSubDomains

Request headers

Referer
https://ipv4.auth.gotcha.tk/welcome.html
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

date
Tue, 20 Oct 2020 13:28:13 GMT
content-encoding
gzip
cf-cache-status
HIT
nel
{"report_to":"cf-nel","max_age":604800}
age
301839
status
200
x-cache-lookup
Cache Hit, Hit From Inner Cluster
alt-svc
h3-27=":443"; ma=86400, h3-28=":443"; ma=86400, h3-29=":443"; ma=86400
content-length
16648
cf-request-id
05e0f1c9c700003637fb832000000001
timing-allow-origin
*
last-modified
Mon, 04 May 2020 16:09:17 GMT
server
nws_ocmid_hy
etag
W/"5eb03e2d-bb78"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
strict-transport-security
max-age=15780000; includeSubDomains
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report?lkg-colo=12&lkg-time=1603085579"}],"group":"cf-nel","max_age":604800}
content-type
application/javascript; charset=utf-8
access-control-allow-origin
*
cache-control
public, max-age=30672000
x-daa-tunnel
hop_count=3
x-nws-log-uuid
16441461418905769958
accept-ranges
bytes
cf-ray
5e481f22dc103637-LAX
expires
Sun, 10 Oct 2021 13:28:13 GMT
login.js
ipv4.auth.gotcha.tk/js/ 		4 KB
4 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://ipv4.auth.gotcha.tk/js/login.js
Requested by
Host: ipv4.auth.gotcha.tk
URL: https://ipv4.auth.gotcha.tk/welcome.html
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_256_GCM
Server
45.76.243.1 Seattle, United States, ASN20473 (AS-CHOOPA, US),
Reverse DNS
45.76.243.1.vultr.com
Software
nginx/1.18.0 (Ubuntu) / Express
Resource Hash
a2b6cd5d1642150cfea55e4384fdd74ce0aa969b386b38155da23ac8efcb677c
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains

Request headers

Referer
https://ipv4.auth.gotcha.tk/welcome.html
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

Date
Wed, 21 Oct 2020 15:41:27 GMT
Last-Modified
Wed, 21 Oct 2020 15:23:40 GMT
Server
nginx/1.18.0 (Ubuntu)
X-Powered-By
Express
ETag
W/"eb7-1754bc2359b"
Strict-Transport-Security
max-age=31536000; includeSubDomains
Content-Type
application/javascript; charset=UTF-8
Cache-Control
public, max-age=0
Connection
keep-alive
Accept-Ranges
bytes
Content-Length
3767

Verdicts & Comments Add Verdict or Comment

17 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.

function| showDirectoryPicker function| showOpenFilePicker function| showSaveFilePicker object| trustedTypes function| $ function| jQuery object| CryptoJS string| step function| raiseError function| setTips function| setTipsEnter function| setTipsSubmit number| opblack function| setTipsError string| username undefined| regcode function| submitInput

0 Cookies

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=31536000; includeSubDomains