developer.mozilla.org Open in urlscan Pro
2600:9000:2182:2800:2:eb5:8c00:93a1  Public Scan

Submitted URL: https://mdn.io/Number/isSafeInteger)./
Effective URL: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/isSafeInteger
Submission: On April 11 via api from US

Summary

This website contacted 7 IPs in 4 countries across 7 domains to perform 41 HTTP transactions. The main IP is 2600:9000:2182:2800:2:eb5:8c00:93a1, located in United States and belongs to AMAZON-02, US. The main domain is developer.mozilla.org.
TLS certificate: Issued by Amazon on November 4th 2020. Valid for: a year.
This is the only time developer.mozilla.org was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
1 1 2606:4700:303... 13335 (CLOUDFLAR...)
2 40.114.177.156 8075 (MICROSOFT...)
28 2600:9000:218... 16509 (AMAZON-02)
1 151.101.130.217 54113 (FASTLY)
2 2a00:1450:400... 15169 (GOOGLE)
6 2600:9000:214... 16509 (AMAZON-02)
1 2a00:1450:400... 15169 (GOOGLE)
41 7
Domain Requested by
28 developer.mozilla.org duckduckgo.com
developer.mozilla.org
6 interactive-examples.mdn.mozilla.net developer.mozilla.org
interactive-examples.mdn.mozilla.net
2 www.google-analytics.com developer.mozilla.org
www.google-analytics.com
2 duckduckgo.com
1 stats.g.doubleclick.net www.google-analytics.com
1 cdn.speedcurve.com developer.mozilla.org
1 mdn.io 1 redirects
41 7
Subject Issuer Validity Valid
*.duckduckgo.com
DigiCert SHA2 Secure Server CA
2020-10-09 -
2021-11-10
a year crt.sh
developer.mozilla.org
Amazon
2020-11-04 -
2021-12-03
a year crt.sh
*.speedcurve.com
GlobalSign Atlas R3 DV TLS CA 2020
2020-12-09 -
2022-01-10
a year crt.sh
*.google-analytics.com
GTS CA 1O1
2021-03-16 -
2021-06-08
3 months crt.sh
interactive-examples.mdn.mozilla.net
Amazon
2020-09-06 -
2021-10-08
a year crt.sh
*.g.doubleclick.net
GTS CA 1O1
2021-03-16 -
2021-06-08
3 months crt.sh

This page contains 3 frames:

Primary Page: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/isSafeInteger
Frame ID: 44677E8A3AD821587AB8B558749CBB7B
Requests: 34 HTTP requests in this frame

Frame: https://interactive-examples.mdn.mozilla.net/pages/js/number-issafeinteger.html
Frame ID: 21026447A369F1A881A241FB4C20776D
Requests: 1 HTTP requests in this frame

Frame: https://interactive-examples.mdn.mozilla.net/pages/js/number-issafeinteger.html
Frame ID: 4ADFCB93488491320DD30BD444F7939B
Requests: 6 HTTP requests in this frame

Screenshot


Page URL History Show full URLs

  1. https://mdn.io/Number/isSafeInteger)./ HTTP 303
    https://duckduckgo.com/?q=%21%20site%3Adeveloper.mozilla.org%20Number/isSafeInteger)./ Page URL
  2. https://duckduckgo.com/l/?uddg=https%3A%2F%2Fdeveloper.mozilla.org%2Fen%2DUS%2Fdocs%2FWeb%2FJavaScr... Page URL
  3. https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/isSafeInteger Page URL

Detected technologies

Overall confidence: 100%
Detected patterns
  • headers server /nginx(?:\/([\d.]+))?/i

Overall confidence: 100%
Detected patterns
  • script /google-analytics\.com\/(?:ga|urchin|analytics)\.js/i

Overall confidence: 100%
Detected patterns
  • script /\/polyfill\.min\.js/i

Page Statistics

41
Requests

98 %
HTTPS

71 %
IPv6

7
Domains

7
Subdomains

7
IPs

4
Countries

294 kB
Transfer

736 kB
Size

4
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://mdn.io/Number/isSafeInteger)./ HTTP 303
    https://duckduckgo.com/?q=%21%20site%3Adeveloper.mozilla.org%20Number/isSafeInteger)./ Page URL
  2. https://duckduckgo.com/l/?uddg=https%3A%2F%2Fdeveloper.mozilla.org%2Fen%2DUS%2Fdocs%2FWeb%2FJavaScript%2FReference%2FGlobal_Objects%2FNumber%2FisSafeInteger Page URL
  3. https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/isSafeInteger Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

Request Chain 0
  • https://mdn.io/Number/isSafeInteger)./ HTTP 303
  • https://duckduckgo.com/?q=%21%20site%3Adeveloper.mozilla.org%20Number/isSafeInteger)./

41 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
/
duckduckgo.com/
Redirect Chain
  • https://mdn.io/Number/isSafeInteger)./
  • https://duckduckgo.com/?q=%21%20site%3Adeveloper.mozilla.org%20Number/isSafeInteger)./
627 B
1 KB
Document
General
Full URL
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Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
40.114.177.156 Amsterdam, Netherlands, ASN8075 (MICROSOFT-CORP-MSN-AS-BLOCK, US),
Reverse DNS
Software
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Resource Hash
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sec-fetch-site
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sec-fetch-user
?1
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accept-encoding
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Response headers

server
nginx
date
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content-type
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vary
Accept-Encoding
server-timing
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x-frame-options
SAMEORIGIN
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content-length
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location
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cf-request-id
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expect-ct
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report-to
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Document
General
Full URL
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Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
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Reverse DNS
Software
nginx /
Resource Hash
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Security Headers
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Response headers

server
nginx
date
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content-type
text/html; charset=UTF-8
vary
Accept-Encoding
strict-transport-security
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origin
expect-ct
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cache-control
no-cache
x-duckduckgo-locale
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content-encoding
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89 KB
18 KB
Document
General
Full URL
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/isSafeInteger
Requested by
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URL: https://duckduckgo.com/l/?uddg=https%3A%2F%2Fdeveloper.mozilla.org%2Fen%2DUS%2Fdocs%2FWeb%2FJavaScript%2FReference%2FGlobal_Objects%2FNumber%2FisSafeInteger
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
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Software
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Name Value
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Response headers

content-type
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server
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x-frame-options
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x-amz-cf-pop
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Protocol
H2
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Request headers

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Response headers

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via
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x-content-type-options
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Full URL
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Requested by
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Protocol
H2
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Software
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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

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nosniff
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Accept-Encoding
x-xss-protection
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server
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Failed requests

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

Domain
interactive-examples.mdn.mozilla.net
URL
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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| 0 object| ontransitionrun object| ontransitionstart object| ontransitioncancel object| cookieStore function| showDirectoryPicker function| showOpenFilePicker function| showSaveFilePicker object| trustedTypes boolean| crossOriginIsolated object| LongTaskObserver object| LUX object| LUX_ae object| LUX_al object| __data__ object| Mozilla object| gaScript function| ga object| webpackJsonpclient object| regeneratorRuntime number| LUX_t_start number| LUX_t_end object| google_tag_data object| gaplugins object| gaGlobal object| gaData

4 Cookies

Domain/Path Name / Value
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Value: 1
.mozilla.org/ Name: _gid
Value: GA1.2.152086130.1618176779
.mozilla.org/ Name: _ga
Value: GA1.2.2068239547.1618176779
developer.mozilla.org/ Name: lux_uid
Value: 161817677913557442

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
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
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.

cdn.speedcurve.com
developer.mozilla.org
duckduckgo.com
interactive-examples.mdn.mozilla.net
mdn.io
stats.g.doubleclick.net
www.google-analytics.com
interactive-examples.mdn.mozilla.net
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