URL: https://dendibakh.github.io/blog/2019/04/03/Precise-timing-of-machine-code-with-Linux-perf
Submission: On April 04 via automatic, source hackernews

Summary

This website contacted 11 IPs in 3 countries across 9 domains to perform 30 HTTP transactions. The main IP is 185.199.110.153, located in and belongs to FASTLY - Fastly, US. The main domain is dendibakh.github.io.
TLS certificate: Issued by DigiCert SHA2 High Assurance Server CA on June 27th 2018. Valid for: 2 years.
This is the only time dendibakh.github.io was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

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Domain Requested by
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0 code.jquery.com Failed dendibakh.github.io
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30 11

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

Domain
en.wikipedia.org
lwn.net
git.kernel.org
github.com
twitter.com
facebook.com
www.patreon.com
Subject Issuer Validity Valid
www.github.com
DigiCert SHA2 High Assurance Server CA
2018-06-27 -
2020-06-20
2 years crt.sh
*.google-analytics.com
Google Internet Authority G3
2019-03-01 -
2019-05-24
3 months crt.sh
cdn-images.mailchimp.com
Amazon
2018-08-23 -
2019-09-23
a year crt.sh
*.googlecode.com
Google Internet Authority G3
2019-03-26 -
2019-06-18
3 months crt.sh
*.disqus.com
DigiCert SHA2 Secure Server CA
2018-03-28 -
2020-04-27
2 years crt.sh
ssl565697.cloudflaressl.com
COMODO ECC Domain Validation Secure Server CA 2
2019-03-17 -
2019-09-23
6 months crt.sh
f.ssl.fastly.net
GlobalSign Organization Validation CA - SHA256 - G2
2018-08-30 -
2020-12-02
2 years crt.sh

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Screenshot


Detected technologies

Overall confidence: 100%
Detected patterns
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Overall confidence: 100%
Detected patterns
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Overall confidence: 100%
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Overall confidence: 100%
Detected patterns
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Overall confidence: 100%
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Page Statistics

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https://c.disquscdn.com/next/embed/lounge.bundle.4180262f1aa52e0f0340aac9fc52a8d8.js
Requested by
Host: dendibakh.disqus.com
URL: https://dendibakh.disqus.com/embed.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:4da6 , United States, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
116768d7db3b89f6bb88674685f19086ddf865be171e274616508a419db0152e
Security Headers
Name Value
Strict-Transport-Security max-age=300; includeSubdomains
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Referer
https://dendibakh.github.io/blog/2019/04/03/Precise-timing-of-machine-code-with-Linux-perf
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

date
Thu, 04 Apr 2019 14:02:51 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
HIT
cf-ray
4c23d28a0c399774-FRA
status
200
vary
Accept-Encoding
content-length
103216
x-xss-protection
1; mode=block
last-modified
Fri, 22 Mar 2019 21:43:01 GMT
server
cloudflare
etag
"5c9556e5-19330"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
strict-transport-security
max-age=300; includeSubdomains
content-type
application/javascript; charset=utf-8
access-control-allow-origin
*
cache-control
max-age=31536000, public, immutable, no-transform
accept-ranges
bytes
timing-allow-origin
*
expires
Sat, 21 Mar 2020 21:50:52 GMT
config.js
disqus.com/next/
6 KB
3 KB
Script
General
Full URL
https://disqus.com/next/config.js
Requested by
Host: dendibakh.disqus.com
URL: https://dendibakh.disqus.com/embed.js
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
151.101.64.134 San Francisco, United States, ASN54113 (FASTLY - Fastly, US),
Reverse DNS
Software
nginx /
Resource Hash
7851829e0ef2f6371a5cf853198d9b543ce7ba0f00043c8188a5faf34091c952
Security Headers
Name Value
Strict-Transport-Security max-age=300; includeSubdomains
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

Referer
https://dendibakh.github.io/blog/2019/04/03/Precise-timing-of-machine-code-with-Linux-perf
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

Date
Thu, 04 Apr 2019 14:02:58 GMT
Content-Encoding
gzip
X-Content-Type-Options
nosniff
Age
29
p3p
CP="DSP IDC CUR ADM DELi STP NAV COM UNI INT PHY DEM"
Connection
keep-alive
Content-Length
2689
X-XSS-Protection
1; mode=block
Server
nginx
X-Frame-Options
SAMEORIGIN
Vary
Accept-Encoding
Strict-Transport-Security
max-age=300; includeSubdomains
Content-Type
application/javascript; charset=UTF-8
Access-Control-Allow-Origin
*
Cache-Control
public, stale-while-revalidate=300, s-stalewhilerevalidate=3600, max-age=60
Timing-Allow-Origin
*
/
disqus.com/embed/comments/ Frame 5DB6
0
0
Document
General
Full URL
https://disqus.com/embed/comments/?base=default&f=dendibakh&t_u=https%3A%2F%2Fdendibakh.github.io%2Fblog%2F2019%2F04%2F03%2FPrecise-timing-of-machine-code-with-Linux-perf&t_d=Precise%20timing%20of%20machine%20code%20with%20Linux%20perf.%20%7C%20Denis%20Bakhvalov%20%7C%20C%2B%2B%20compiler%20dev.&t_t=Precise%20timing%20of%20machine%20code%20with%20Linux%20perf.%20%7C%20Denis%20Bakhvalov%20%7C%20C%2B%2B%20compiler%20dev.&s_o=default&d_m=2
Requested by
Host: dendibakh.disqus.com
URL: https://dendibakh.disqus.com/embed.js
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
151.101.128.134 San Francisco, United States, ASN54113 (FASTLY - Fastly, US),
Reverse DNS
Software
nginx /
Resource Hash
Security Headers
Name Value
Content-Security-Policy script-src https://*.twitter.com:* https://www.gstatic.com/recaptcha/ https://a.disquscdn.com https://c.disquscdn.com c.disquscdn.com https://*.services.disqus.com:* https://cdn.boomtrain.com/p13n/ 'unsafe-inline' https://cdn.syndication.twimg.com/tweets.json https://connect.facebook.net/en_US/sdk.js https://referrer.disqus.com/juggler/ https://apis.google.com https://www.google.com/recaptcha/ https://disqus.com
Strict-Transport-Security max-age=300; includeSubdomains
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Host
disqus.com
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_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Accept
text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8
Referer
https://dendibakh.github.io/blog/2019/04/03/Precise-timing-of-machine-code-with-Linux-perf
Accept-Encoding
gzip, deflate, br
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Referer
https://dendibakh.github.io/blog/2019/04/03/Precise-timing-of-machine-code-with-Linux-perf

Response headers

Server
nginx
Content-Security-Policy
script-src https://*.twitter.com:* https://www.gstatic.com/recaptcha/ https://a.disquscdn.com https://c.disquscdn.com c.disquscdn.com https://*.services.disqus.com:* https://cdn.boomtrain.com/p13n/ 'unsafe-inline' https://cdn.syndication.twimg.com/tweets.json https://connect.facebook.net/en_US/sdk.js https://referrer.disqus.com/juggler/ https://apis.google.com https://www.google.com/recaptcha/ https://disqus.com
Link
<https://c.disquscdn.com>;rel=preconnect,<https://c.disquscdn.com>;rel=dns-prefetch
Cache-Control
stale-if-error=3600, s-stalewhilerevalidate=3600, stale-while-revalidate=30, no-cache, must-revalidate, public, s-maxage=5
p3p
CP="DSP IDC CUR ADM DELi STP NAV COM UNI INT PHY DEM"
Timing-Allow-Origin
*
X-Content-Type-Options
nosniff
X-XSS-Protection
1; mode=block
Content-Type
text/html; charset=utf-8
Last-Modified
Thu, 04 Apr 2019 05:57:59 GMT
ETag
W/"lounge:view:7336448152.68fe2c2cb573333db8c1d606dabc14bb.2"
Content-Encoding
gzip
Content-Length
3531
Date
Thu, 04 Apr 2019 14:02:58 GMT
Age
0
Connection
keep-alive
Vary
Accept-Encoding
Strict-Transport-Security
max-age=300; includeSubdomains
alfie.f51946af45e0b561c60f768335c9eb79.js
c.disquscdn.com/next/embed/
19 KB
7 KB
Script
General
Full URL
https://c.disquscdn.com/next/embed/alfie.f51946af45e0b561c60f768335c9eb79.js
Requested by
Host: dendibakh.disqus.com
URL: https://dendibakh.disqus.com/embed.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:4da6 , United States, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
eda8f00e9255746e7620848227aca122053845c9b4a90f1b3e26b4cd99af9e25
Security Headers
Name Value
Strict-Transport-Security max-age=300; includeSubdomains
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Referer
https://dendibakh.github.io/blog/2019/04/03/Precise-timing-of-machine-code-with-Linux-perf
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

date
Thu, 04 Apr 2019 14:02:59 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
HIT
cf-ray
4c23d2b86ff39774-FRA
status
200
vary
Accept-Encoding
content-length
6605
x-xss-protection
1; mode=block
last-modified
Wed, 03 Oct 2018 22:50:54 GMT
server
cloudflare
cache-control
max-age=31536000, public, immutable, no-transform
etag
"5bb547ce-19cd"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
strict-transport-security
max-age=300; includeSubdomains
content-type
application/javascript; charset=utf-8
access-control-allow-origin
*
fastly-debug-digest
baac760ca1e6f62ea6380d62d4f07b5dfbb97755c19df0448623d4ede950e2e4
accept-ranges
bytes
timing-allow-origin
*
expires
Fri, 04 Oct 2019 00:14:16 GMT
ping
links.services.disqus.com/api/
224 B
851 B
XHR
General
Full URL
https://links.services.disqus.com/api/ping?format=jsonp&key=cfdfcf52dffd0a702a61bad27507376d&loc=https%3A%2F%2Fdendibakh.github.io%2Fblog%2F2019%2F04%2F03%2FPrecise-timing-of-machine-code-with-Linux-perf&subId=4713438&v=1&jsonp=vglnk_jsonp_15543865792780
Requested by
Host: c.disquscdn.com
URL: https://c.disquscdn.com/next/embed/alfie.f51946af45e0b561c60f768335c9eb79.js
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
151.101.120.64 San Francisco, United States, ASN54113 (FASTLY - Fastly, US),
Reverse DNS
Software
Apache-Coyote/1.1 /
Resource Hash
8cc56530bf3f62d889b78b2f6eb6cd8d9ed6322a5c8ab0327848bb4a68cb49c2

Request headers

User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Referer
https://dendibakh.github.io/blog/2019/04/03/Precise-timing-of-machine-code-with-Linux-perf
Origin
https://dendibakh.github.io

Response headers

Pragma
no-cache
Date
Thu, 04 Apr 2019 14:02:59 GMT
Server
Apache-Coyote/1.1
P3P
CP="ALL IND DSP COR CUR ADM TAIo PSDo OUR COM INT NAV PUR STA UNI"
Access-Control-Allow-Origin
https://dendibakh.github.io
Cache-Control
no-cache, no-store
Access-Control-Allow-Credentials
true
Connection
keep-alive
Content-Type
text/javascript;charset=UTF-8
Content-Length
224
Expires
Thu, 01 Jan 1970 00:00:00 GMT
realtime.af77184dec69e96e69aff958ae2bb738.css
c.disquscdn.com/next/embed/styles/ Frame 1248
337 B
414 B
Stylesheet
General
Full URL
https://c.disquscdn.com/next/embed/styles/realtime.af77184dec69e96e69aff958ae2bb738.css
Requested by
Host: dendibakh.disqus.com
URL: https://dendibakh.disqus.com/embed.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:4da6 , United States, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
c284dcb06ef882b1b45e11e0a16baa223b4117eca94e243c8e725c4ce3f909b3
Security Headers
Name Value
Strict-Transport-Security max-age=300; includeSubdomains
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Referer
https://dendibakh.github.io/blog/2019/04/03/Precise-timing-of-machine-code-with-Linux-perf
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

date
Thu, 04 Apr 2019 14:02:59 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
HIT
cf-ray
4c23d2b929629774-FRA
status
200
vary
Accept-Encoding
content-length
244
x-xss-protection
1; mode=block
last-modified
Tue, 22 Jan 2019 19:59:35 GMT
server
cloudflare
cache-control
max-age=31536000, public, immutable, no-transform
etag
"5c477627-f4"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
strict-transport-security
max-age=300; includeSubdomains
content-type
text/css; charset=utf-8
access-control-allow-origin
*
fastly-debug-digest
ddbb547324842fbef412f9cb6a75e494efb72ac30deb102492dc2845863dccf3
accept-ranges
bytes
timing-allow-origin
*
expires
Wed, 29 Jan 2020 02:46:34 GMT
realtime.af77184dec69e96e69aff958ae2bb738.css
c.disquscdn.com/next/embed/styles/ Frame 504A
337 B
309 B
Stylesheet
General
Full URL
https://c.disquscdn.com/next/embed/styles/realtime.af77184dec69e96e69aff958ae2bb738.css
Requested by
Host: dendibakh.disqus.com
URL: https://dendibakh.disqus.com/embed.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:4da6 , United States, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
c284dcb06ef882b1b45e11e0a16baa223b4117eca94e243c8e725c4ce3f909b3
Security Headers
Name Value
Strict-Transport-Security max-age=300; includeSubdomains
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Referer
https://dendibakh.github.io/blog/2019/04/03/Precise-timing-of-machine-code-with-Linux-perf
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

date
Thu, 04 Apr 2019 14:02:59 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
HIT
cf-ray
4c23d2b989db9774-FRA
status
200
vary
Accept-Encoding
content-length
244
x-xss-protection
1; mode=block
last-modified
Tue, 22 Jan 2019 19:59:35 GMT
server
cloudflare
cache-control
max-age=31536000, public, immutable, no-transform
etag
"5c477627-f4"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
strict-transport-security
max-age=300; includeSubdomains
content-type
text/css; charset=utf-8
access-control-allow-origin
*
fastly-debug-digest
ddbb547324842fbef412f9cb6a75e494efb72ac30deb102492dc2845863dccf3
accept-ranges
bytes
timing-allow-origin
*
expires
Wed, 29 Jan 2020 02:46:34 GMT

Failed requests

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

Domain
fonts.googleapis.com
URL
http://fonts.googleapis.com/css?family=Merriweather:300,300italic,400,400italic,700,700italic
Domain
fonts.googleapis.com
URL
http://fonts.googleapis.com/css?family=Montserrat
Domain
code.jquery.com
URL
http://code.jquery.com/jquery.js

Verdicts & Comments Add Verdict or Comment

26 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| onselectstart object| onselectionchange function| queueMicrotask function| gtag object| dataLayer object| google_tag_manager string| GoogleAnalyticsObject function| ga function| lunr object| documents object| idx function| lunr_search object| google_tag_data object| gaplugins object| gaGlobal object| gaData string| disqus_shortname function| init_document_ready function| create_colorSwatch function| disqus_config object| DISQUS string| vglnk_self function| vl_cB function| vl_disable undefined| vglnk_jsonp_15543865792780 object| vglnk

0 Cookies

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.

c.disquscdn.com
cdn-images.mailchimp.com
code.jquery.com
dendibakh.disqus.com
dendibakh.github.io
disqus.com
fonts.googleapis.com
google-code-prettify.googlecode.com
links.services.disqus.com
www.google-analytics.com
www.googletagmanager.com
code.jquery.com
fonts.googleapis.com
151.101.120.134
151.101.120.64
151.101.128.134
151.101.64.134
185.199.110.153
2606:4700::6810:4da6
2a00:1450:4001:81e::200e
2a00:1450:4001:820::2008
2a00:1450:400c:c0a::52
52.222.152.74
0431d0131531bdd9ad87975a53b676a0e3651b129dd0ea7801f00141cffe1cbe
05ddce49deb0d050516cd0b50ef4dc0bc7398d7ca750da9128f2ec64e01b2a3d
0b9db59d0428e7258d9a4987d176bc868cd488233cf199151f73a6655e7d16ff
116768d7db3b89f6bb88674685f19086ddf865be171e274616508a419db0152e
2e2ca3ec971fa99e28e248cce283c1ef635d45d142d9969ace8f5c3a16c08de5
2f0b7264810a4f05251ac724721a5a3a61887cff9bd30e1fbbc1bc832e94d38a
3e552578c7d450b023f2cd9d28f830be4335c3acc6c4ab6dadda0769f09e5f22
420b3d68e87c190370d928c51daff4d027603e7b21d5071afb3640ca2081c9c9
54d21b0676784d0c983bbd4093898770adefa932d89b72c8afd88183a19172a7
7851829e0ef2f6371a5cf853198d9b543ce7ba0f00043c8188a5faf34091c952
82b0aa33a5dd1a2bf5ea5b64ee4344b877a9317887c41d3d85e167b233a70c47
8337212354871836e6763a41e615916c89bac5b3f1f0adf60ba43c7c806e1015
8cc56530bf3f62d889b78b2f6eb6cd8d9ed6322a5c8ab0327848bb4a68cb49c2
8cd9e60c136813cc63db06a0604d1a9f131dca65ed5f9f41e9ae09404185288f
a5e0dc39f19e2f5c035766778759fd1d349c90208c66607b506aad592fbebac2
aa10f1acc066b9022a9ed7a0a54d357f632a12b72656861b7df39ff1f55a625d
ae115d2cbba28a80c235b2cc119f13dd174260228e068f32aff535f6eadd03eb
bd405702bf5d1a2e33d215744950d0a4fa86e86690a705b65380ee76b760c8b3
c284dcb06ef882b1b45e11e0a16baa223b4117eca94e243c8e725c4ce3f909b3
c57672fe08e24feccc6f83bb866617fedebb554e9ba87b51e6443ef227c3a248
da8673eca8689c04c0f2d5415ec08b7f877d2b06311512f25692e75ff24d1fb1
eda8f00e9255746e7620848227aca122053845c9b4a90f1b3e26b4cd99af9e25
efe269e45f1ffdb8dfe229406efd6e40f76334c1de0df6fa88e24ac6e0da409b