stem-community.ru - urlscan.io

Summary

This website contacted 1 IPs in 2 countries across 1 domains to perform 7 HTTP transactions. The main IP is 104.21.3.131, located in and belongs to CLOUDFLARENET, US. The main domain is stem-community.ru.
TLS certificate: Issued by GTS CA 1P5 on October 11th 2023. Valid for: 3 months.

This is the only time stem-community.ru was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

	IP Address	AS Autonomous System
1 1	172.67.130.185 172.67.130.185	13335 (CLOUDFLAR...) (CLOUDFLARENET)
7	104.21.3.131 104.21.3.131	13335 (CLOUDFLAR...) (CLOUDFLARENET)
7	1

1 172.67.130.185 (United States) 1 redirects

ASN13335 (CLOUDFLARENET, US)

stem-community.ru	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

7 104.21.3.131 (None, )

ASN13335 (CLOUDFLARENET, US)

stem-community.ru	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

	Apex Domain Subdomains	Transfer
8	stem-community.ru 1 redirects stem-community.ru	16 KB
7	1

	Domain	Requested by
8	stem-community.ru	1 redirects stem-community.ru
7	1

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

Domain
www.cloudflare.com
support.cloudflare.com

Subject Issuer	Validity	Valid
stem-community.ru GTS CA 1P5	`2023-10-11` - `2024-01-09`	3 months	crt.sh

This page contains 1 frames:

Primary Page: https://stem-community.ru/
Frame ID: C7A9A5A23AF35467D15A2221A36B9865
Requests: 7 HTTP requests in this frame

Screenshot
Live screenshot

Full Image

Page Title

stem-community.ru | 523: Origin is unreachable

Page URL History Show full URLs

http://stem-community.ru/ HTTP 301
https://stem-community.ru/ Page URL

Page Statistics

7
Requests

100 %
HTTPS

0 %
IPv6

1
Domains

1
Subdomains

1
IPs

2
Countries

15 kB
Transfer

20 kB
Size

0
Cookies

2 Outgoing links

These are links going to different origins than the main page.

URL: https://www.cloudflare.com/5xx-error-landing?utm_source=errorcode_523&utm_campaign=stem-community.ru
Title: cloudflare.com

Search URL Search Domain Scan URL

URL: https://support.cloudflare.com/hc/en-us/articles/200171946-Error-523
Title: Additional troubleshooting information here.

Search URL Search Domain Scan URL

Page URL History

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

http://stem-community.ru/ HTTP 301
https://stem-community.ru/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

7 HTTP transactions
0 data transactions

Method
Protocol Status Resource
Path Size
x-fer Time
Latency Type
MIME-Type IP
Location

GET
H2

523

Primary Request / Show response
stem-community.ru/
Redirect Chain

http://stem-community.ru/
https://stem-community.ru/

7 KB
7 KB

4662ms
4333ms

Document
text/html

104.21.3.131
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://stem-community.ru/

Protocol

H2

Security

TLS 1.3, , AES_128_GCM

Server

104.21.3.131 -, , ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

c8cf021c92a7f51e52e6253c2cd2978e6a80badc59cc884713dbda0cf99d6d10

Security Headers

Name	Value
X-Frame-Options	SAMEORIGIN

Request headers

Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/118.0.5993.117 Safari/537.36
accept-language: de-DE,de;q=0.9

Response headers

alt-svc: h3=":443"; ma=86400
cache-control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
cf-ray: 81d806689d8c2bf3-FRA
content-length: 7045
content-type: text/html; charset=UTF-8
date: Sun, 29 Oct 2023 02:35:29 GMT
expires: Thu, 01 Jan 1970 00:00:01 GMT
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
referrer-policy: same-origin
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=gXcr4yjiewDmlGHfCmnu9jcb%2B6bCKFNXUy3SRdWArVyaQRQqoQNcxJI0G36CdvNdZV6TG7ZkgjnyldHJYDkspLfDsSZF18v%2F67EcGXu6Tj4%2BYxy0plkGN3NkgAW8e%2BqHymDYDg%3D%3D"}],"group":"cf-nel","max_age":604800}
server: cloudflare
x-frame-options: SAMEORIGIN

Redirect headers

CF-RAY: 81d8066668c83a7a-FRA
Cache-Control: max-age=3600
Connection: keep-alive
Date: Sun, 29 Oct 2023 02:35:24 GMT
Expires: Sun, 29 Oct 2023 03:35:24 GMT
Location: https://stem-community.ru/
NEL: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
Report-To: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=QTFbHGapCgSdrrs0StZAZnK8rMeYGwzGVGSJqgY%2BzwbqxRbAOcP4J3Bw2E3EHMo9mVJwH14do5PUA6zt%2B3YR9qiQ3smFzRM4Gx0yz6mcgY3dzqpdwfyF88B73WvP37v%2FJhEu%2Bg%3D%3D"}],"group":"cf-nel","max_age":604800}
Server: cloudflare
Transfer-Encoding: chunked
Vary: Accept-Encoding
alt-svc: h3=":443"; ma=86400

GET
H2 200 main.css
stem-community.ru/cdn-cgi/styles/ 8 KB
2 KB 12ms
11ms Stylesheet
text/css 104.21.3.131
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://stem-community.ru/cdn-cgi/styles/main.css

Requested by

Host: stem-community.ru
URL: https://stem-community.ru/

Protocol

H2

Security

TLS 1.3, , AES_128_GCM

Server

104.21.3.131 -, , ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

d30b4ea6f68456672f5abb35e9dcf7d54226372b66e9d60a7ee26b7a52568e74

Security Headers

Name	Value
X-Content-Type-Options	nosniff
X-Frame-Options	DENY

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://stem-community.ru/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/118.0.5993.117 Safari/537.36

Response headers

date: Sun, 29 Oct 2023 02:35:29 GMT
content-encoding: gzip
x-content-type-options: nosniff
last-modified: Tue, 24 Oct 2023 17:54:11 GMT
server: cloudflare
etag: W/"653804c3-1f4d"
x-frame-options: DENY
vary: Accept-Encoding
content-type: text/css
cache-control: max-age=7200, public
cf-ray: 81d80683be0d2bf3-FRA
expires: Sun, 29 Oct 2023 04:35:29 GMT

GET
H2 200 cf-icon-browser.png
stem-community.ru/cdn-cgi/images/ 484 B
559 B 27ms
26ms Image
image/png 104.21.3.131
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://stem-community.ru/cdn-cgi/images/cf-icon-browser.png

Requested by

Host: stem-community.ru
URL: https://stem-community.ru/cdn-cgi/styles/main.css

Protocol

H2

Security

TLS 1.3, , AES_128_GCM

Server

104.21.3.131 -, , ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

78a7d8b29cabf16831417dba1b9bbe36fae0d060a35a495e8f10e9663b3c9e65

Security Headers

Name	Value
X-Content-Type-Options	nosniff
X-Frame-Options	DENY

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://stem-community.ru/cdn-cgi/styles/main.css
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/118.0.5993.117 Safari/537.36

Response headers

date: Sun, 29 Oct 2023 02:35:29 GMT
x-content-type-options: nosniff
last-modified: Tue, 24 Oct 2023 17:54:11 GMT
server: cloudflare
etag: "653804c3-1e4"
x-frame-options: DENY
vary: Accept-Encoding
content-type: image/png
cache-control: max-age=7200, public
accept-ranges: bytes
cf-ray: 81d80683de202bf3-FRA
content-length: 484
expires: Sun, 29 Oct 2023 04:35:29 GMT

GET
H2 200 cf-icon-ok.png
stem-community.ru/cdn-cgi/images/ 946 B
1 KB 25ms
24ms Image
image/png 104.21.3.131
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://stem-community.ru/cdn-cgi/images/cf-icon-ok.png

Requested by

Host: stem-community.ru
URL: https://stem-community.ru/cdn-cgi/styles/main.css

Protocol

H2

Security

TLS 1.3, , AES_128_GCM

Server

104.21.3.131 -, , ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

ed732380ee3ff0f2d841784da213c8c05d2b5ae187a5217b419d21cae5cedb1b

Security Headers

Name	Value
X-Content-Type-Options	nosniff
X-Frame-Options	DENY

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://stem-community.ru/cdn-cgi/styles/main.css
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/118.0.5993.117 Safari/537.36

Response headers

date: Sun, 29 Oct 2023 02:35:29 GMT
x-content-type-options: nosniff
last-modified: Tue, 24 Oct 2023 17:54:11 GMT
server: cloudflare
etag: "653804c3-3b2"
x-frame-options: DENY
vary: Accept-Encoding
content-type: image/png
cache-control: max-age=7200, public
accept-ranges: bytes
cf-ray: 81d80683de212bf3-FRA
content-length: 946
expires: Sun, 29 Oct 2023 04:35:29 GMT

GET
H2 200 cf-icon-cloud.png
stem-community.ru/cdn-cgi/images/ 1 KB
2 KB 26ms
25ms Image
image/png 104.21.3.131
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://stem-community.ru/cdn-cgi/images/cf-icon-cloud.png

Requested by

Host: stem-community.ru
URL: https://stem-community.ru/cdn-cgi/styles/main.css

Protocol

H2

Security

TLS 1.3, , AES_128_GCM

Server

104.21.3.131 -, , ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

3a223426c67a0a33ff57af68a57fb589fea36af2a6e8f9dae7798c77471e0e58

Security Headers

Name	Value
X-Content-Type-Options	nosniff
X-Frame-Options	DENY

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://stem-community.ru/cdn-cgi/styles/main.css
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/118.0.5993.117 Safari/537.36

Response headers

date: Sun, 29 Oct 2023 02:35:29 GMT
x-content-type-options: nosniff
last-modified: Tue, 24 Oct 2023 17:54:11 GMT
server: cloudflare
etag: "653804c3-5cc"
x-frame-options: DENY
vary: Accept-Encoding
content-type: image/png
cache-control: max-age=7200, public
accept-ranges: bytes
cf-ray: 81d80683de222bf3-FRA
content-length: 1484
expires: Sun, 29 Oct 2023 04:35:29 GMT

GET
H2 200 cf-icon-server.png
stem-community.ru/cdn-cgi/images/ 1 KB
1 KB 27ms
27ms Image
image/png 104.21.3.131
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://stem-community.ru/cdn-cgi/images/cf-icon-server.png

Requested by

Host: stem-community.ru
URL: https://stem-community.ru/cdn-cgi/styles/main.css

Protocol

H2

Security

TLS 1.3, , AES_128_GCM

Server

104.21.3.131 -, , ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

41553a537f85839927155af093b7bfa1987215f474ed038714609cc48812ea3b

Security Headers

Name	Value
X-Content-Type-Options	nosniff
X-Frame-Options	DENY

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://stem-community.ru/cdn-cgi/styles/main.css
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/118.0.5993.117 Safari/537.36

Response headers

date: Sun, 29 Oct 2023 02:35:29 GMT
x-content-type-options: nosniff
last-modified: Tue, 24 Oct 2023 17:54:11 GMT
server: cloudflare
etag: "653804c3-568"
x-frame-options: DENY
vary: Accept-Encoding
content-type: image/png
cache-control: max-age=7200, public
accept-ranges: bytes
cf-ray: 81d80683de232bf3-FRA
content-length: 1384
expires: Sun, 29 Oct 2023 04:35:29 GMT

GET
H2 200 cf-icon-error.png
stem-community.ru/cdn-cgi/images/ 854 B
930 B 27ms
26ms Image
image/png 104.21.3.131
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://stem-community.ru/cdn-cgi/images/cf-icon-error.png

Requested by

Host: stem-community.ru
URL: https://stem-community.ru/cdn-cgi/styles/main.css

Protocol

H2

Security

TLS 1.3, , AES_128_GCM

Server

104.21.3.131 -, , ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

67f70597a183fbca7fac55d609fbaac5c34bb4d4d32a0530bbbbb42591f2de2f

Security Headers

Name	Value
X-Content-Type-Options	nosniff
X-Frame-Options	DENY

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://stem-community.ru/cdn-cgi/styles/main.css
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/118.0.5993.117 Safari/537.36

Response headers

date: Sun, 29 Oct 2023 02:35:29 GMT
x-content-type-options: nosniff
last-modified: Tue, 24 Oct 2023 17:54:11 GMT
server: cloudflare
etag: "653804c3-356"
x-frame-options: DENY
vary: Accept-Encoding
content-type: image/png
cache-control: max-age=7200, public
accept-ranges: bytes
cf-ray: 81d80683de242bf3-FRA
content-length: 854
expires: Sun, 29 Oct 2023 04:35:29 GMT

Verdicts & Comments Add Verdict or Comment

1 JavaScript Global Variables

These are the non-standard "global" variables defined on the window object. These can be helpful in identifying possible client-side frameworks and code.

object| documentPictureInPicture

0 Cookies

Cookies are little pieces of information stored in the browser of a user. Whenever a user visits the site again, he will also send his cookie values, thus allowing the website to re-identify him even if he changed locations. This is how permanent logins work.

1 Console Messages

A page may trigger messages to the console to be logged. These are often error messages about being unable to load a resource or execute a piece of JavaScript. Sometimes they also provide insight into the technology behind a website.

Source	Level	URL Text
network	error	URL: https://stem-community.ru/ Message: Failed to load resource: the server responded with a status of 523 ()

Security Headers

This page lists any security headers set by the main page. If you want to understand what these mean and how to use them, head on over to this page

Header	Value
X-Frame-Options	SAMEORIGIN

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.

stem-community.ru
104.21.3.131
172.67.130.185
3a223426c67a0a33ff57af68a57fb589fea36af2a6e8f9dae7798c77471e0e58
41553a537f85839927155af093b7bfa1987215f474ed038714609cc48812ea3b
67f70597a183fbca7fac55d609fbaac5c34bb4d4d32a0530bbbbb42591f2de2f
78a7d8b29cabf16831417dba1b9bbe36fae0d060a35a495e8f10e9663b3c9e65
c8cf021c92a7f51e52e6253c2cd2978e6a80badc59cc884713dbda0cf99d6d10
d30b4ea6f68456672f5abb35e9dcf7d54226372b66e9d60a7ee26b7a52568e74
ed732380ee3ff0f2d841784da213c8c05d2b5ae187a5217b419d21cae5cedb1b

stem-community.ru Open in urlscan Pro 104.21.3.131 Public Scan

Summary

urlscan.io Verdict: No classification

Domain & IP information

Screenshot Live screenshot Full Image

Page Title

Page URL History Show full URLs

Page Statistics

7 Requests

100 %HTTPS

0 %IPv6

1 Domains

1 Subdomains

1 IPs

2 Countries

15 kBTransfer

20 kBSize

0 Cookies

2 Outgoing links

Page URL History

Redirected requests

7 HTTP transactions Everything HTML Script AJAX CSS Image Expand all 0 data transactions

Request headers

Response headers

Redirect headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Verdicts & Comments Add Verdict or Comment

1 JavaScript Global Variables

0 Cookies

1 Console Messages

Security Headers

Indicators

stem-community.ru Open in urlscan Pro
104.21.3.131 Public Scan

Screenshot
Live screenshot

Full Image

7
Requests

100 %
HTTPS

0 %
IPv6

1
Domains

1
Subdomains

1
IPs

2
Countries

15 kB
Transfer

20 kB
Size

0
Cookies

7 HTTP transactions
0 data transactions