www.calculus.org Open in urlscan Pro
169.237.99.95 Public Scan

URL:
http://www.calculus.org/
Submission: On June 25 via manual (June 25th 2020, 11:59:18 pm UTC) from US

Summary HTTP 6 Redirects Links 113 Behaviour Indicators

Summary

This website contacted 4 IPs in 2 countries across 4 domains to perform 6 HTTP transactions. The main IP is 169.237.99.95, located in Davis, United States and belongs to UCDAVIS-CORE, US. The main domain is www.calculus.org.

This is the only time www.calculus.org was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

	IP Address	AS Autonomous System
2	169.237.99.95 169.237.99.95	6192 (UCDAVIS-CORE) (UCDAVIS-CORE)
1	2a00:1450:400... 2a00:1450:4001:825::2008	15169 (GOOGLE) (GOOGLE)
2	2a00:1450:400... 2a00:1450:4001:809::200e	15169 (GOOGLE) (GOOGLE)
6	4

2 169.237.99.95 (Davis, United States)

ASN6192 (UCDAVIS-CORE, US)
PTR: aggregate.math.ucdavis.edu

www.calculus.org	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 2a00:1450:4001:825::2008 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

www.googletagmanager.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 2a00:1450:4001:809::200e (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

www.google-analytics.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

	Apex Domain Subdomains	Transfer
2	google-analytics.com www.google-analytics.com	18 KB
2	calculus.org www.calculus.org	10 KB
1	googletagmanager.com www.googletagmanager.com	33 KB
0	sitemeter.com Failed s37.sitemeter.com Failed
6	4

	Domain	Requested by
2	www.google-analytics.com	www.googletagmanager.com www.calculus.org
2	www.calculus.org	www.calculus.org
1	www.googletagmanager.com	www.calculus.org
0	s37.sitemeter.com Failed	www.calculus.org
6	4

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

Domain
www.math.ucdavis.edu
www.plu.edu
www.examswithsolutions.com
examswithsolutions.com
www.math.uic.edu
www.math.sunysb.edu
ocw.mit.edu
www.math.ucla.edu
www.math.rutgers.edu
www.math.niu.edu
www.postyourtest.com
apcentral.collegeboard.com
www.math.umass.edu
persweb.wabash.edu
www.math.scar.utoronto.ca
www.math.columbia.edu
www.bradley.edu
www.math.wustl.edu
abacus.bates.edu
www.univie.ac.at
www.calculus-help.com
calculus7.com
www.jtaylor1142001.net
www.exampleproblems.com
forum.swarthmore.edu
www.sosmath.com
www.hotmath.org
www.dougshaw.com
www.wykamath.com
www.sagemath.org
www.math.wright.edu
www.ma.iup.edu
www.math.tamu.edu
www-cm.math.uiuc.edu
djm.cc
homepages.nyu.edu
www.math.gatech.edu
www.ugrad.math.ubc.ca
www.math.duke.edu
www.karlscalculus.org
www.math.hmc.edu
www.math.vanderbilt.edu
www.ima.umn.edu
mathforum.org
www.apcentral.collegeboard.com
www.sisweb.com
www.math.unl.edu
clem.mscd.edu
web.mit.edu
en.wikipedia.org
www.analyzemath.com
www.wyzant.com
www.integralcalc.com
www.centerofmath.org
patrickjmt.com
www.midnighttutor.com
www.khanacademy.org
www.brightstorm.com
online.math.uh.edu
dir.yahoo.com
dmoz.org
directory.google.com
www.coolmath.com
math.about.com
www.calculus.net
archives.math.utk.edu
www.csam.montclair.edu
omega.albany.edu
www.math.neu.edu
web.monroecc.edu
www.wolframalpha.com
www.integrals.com
calc.matthen.com
www.encalc.com
www.mathworksheetsgo.com
www.derivative-calculator.net
www.integral-calculator.net
www.slu.edu
calculusapplets.com
mss.math.vanderbilt.edu
www.imm.dtu.dk
www.calculator.org
people.hofstra.edu
www-groups.dcs.st-andrews.ac.uk
www.math.nus.edu.sg
www-groups.dcs.st-and.ac.uk
jeff560.tripod.com
www.helpwithmath.com
www.kkuniyuk.com

Subject Issuer	Validity	Valid
*.google-analytics.com GTS CA 1O1	`2020-06-10` - `2020-09-02`	3 months	crt.sh

This page contains 1 frames:

Primary Page: http://www.calculus.org/
Frame ID: FA3BBA78352948D300C9A9C3B6E8D1A7
Requests: 6 HTTP requests in this frame

Screenshot
Live screenshot

Full Image

Detected technologies

Ubuntu (Operating Systems) Expand

Overall confidence: 100%
Detected patterns

headers server /Ubuntu/i

Apache (Web Servers) Expand

Overall confidence: 100%
Detected patterns

headers server /(?:Apache(?:$|\/([\d.]+)|[^/-])|(?:^|\b)HTTPD)/i

Google Analytics (Analytics) Expand

Overall confidence: 100%
Detected patterns

script /google-analytics\.com\/(?:ga|urchin|analytics)\.js/i

Page Statistics

6
Requests

50 %
HTTPS

67 %
IPv6

4
Domains

4
Subdomains

4
IPs

2
Countries

61 kB
Transfer

152 kB
Size

3
Cookies

113 Outgoing links

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

URL: http://www.math.ucdavis.edu/~calculus/editors.html
Title: Editorial Board

Search URL Search Domain Scan URL

URL: http://www.math.ucdavis.edu/~calculus/sponsors.html
Title: Sponsors

Search URL Search Domain Scan URL

URL: http://www.math.ucdavis.edu/~kouba/ProblemsList.html
Title: Calculus problems with step-by-step solutions

Search URL Search Domain Scan URL

URL: http://www.math.ucdavis.edu/~kouba/Math21AESPWorksheets.html
Title: differential

Search URL Search Domain Scan URL

URL: http://www.math.ucdavis.edu/~kouba/Math21BESPWorksheets.html
Title: integral

Search URL Search Domain Scan URL

URL: http://www.math.ucdavis.edu/~kouba/Math21CESPWorksheets.html
Title: multi-variable

Search URL Search Domain Scan URL

URL: http://www.math.ucdavis.edu/~hass//Calculus/HTAC/excerpts/excerpts.html
Title: Excerpts from "How To Ace Calculus"

Search URL Search Domain Scan URL

URL: http://www.plu.edu/~heathdj/java
Title: Calculus Applets

Search URL Search Domain Scan URL

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Title: Tips on preparing for exams

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Title: Mathematics and the job market

Search URL Search Domain Scan URL

URL: http://www.math.ucdavis.edu/~hass/Calculus/Exams/Examprobs/List.html
Title: Sample exam problems

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Title: Calculus classroom demonstrations

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Title: Exams With Solutions

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Title: Animated examples

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URL: http://web.mit.edu/wwmath/calculus/index.html
Title: World Web Math

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Title: Video Calculus

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Title: Yahoo directory

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Title: Mozilla directory

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URL: http://directory.google.com/Top/Science/Math/Calculus/
Title: Google directory

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URL: http://www.coolmath.com/
Title: coolmath.com

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URL: http://mathforum.org/library
Title: Math Forum Internet Mathematics Library

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Title: Single Variable Calculus

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Title: Multivariable Calculus

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Title: About.com calculus links

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Title: calculus.net

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URL: http://web.monroecc.edu/calcNSF
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URL: http://calc.matthen.com/
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URL: http://www.encalc.com/
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URL: http://www.mathworksheetsgo.com/tools/free-online-graphing-calculator.php
Title: Graphing calculator

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URL: http://www.derivative-calculator.net/
Title: Derivative-calculator.net

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URL: http://www.integral-calculator.net/
Title: Integral-calculator.net

Search URL Search Domain Scan URL

URL: http://www.slu.edu/classes/maymk/MathApplets-SLU.html
Title: Math Applets for Calculus at SLU

Search URL Search Domain Scan URL

URL: http://calculusapplets.com/
Title: calculusapplets.com

Search URL Search Domain Scan URL

URL: http://mss.math.vanderbilt.edu/~pscrooke/toolkit.shtml
Title: MathServ Calculus Toolkit

Search URL Search Domain Scan URL

URL: http://www.imm.dtu.dk/nag/proj_km/fadbad
Title: FADBAD

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URL: http://www.math.ucla.edu/~ronmiech/Java_Applets/index.html
Title: Some Java applets

Search URL Search Domain Scan URL

URL: http://www.calculator.org/jcalc98.html
Title: calculator.org

Search URL Search Domain Scan URL

URL: http://people.hofstra.edu/faculty/Stefan_Waner/cprob/cprobintro.html
Title: Calculus and Probability

Search URL Search Domain Scan URL

URL: http://www-groups.dcs.st-andrews.ac.uk/~history/HistTopics/The_rise_of_calculus.html
Title: A history of calculus

Search URL Search Domain Scan URL

URL: http://www.math.nus.edu.sg/aslaksen/teaching/calculus.html
Title: Why calculus?

Search URL Search Domain Scan URL

URL: http://www-groups.dcs.st-and.ac.uk/~history/
Title: History of mathematics

Search URL Search Domain Scan URL

URL: http://jeff560.tripod.com/calculus.html
Title: Earliest Uses of Symbols of Calculus

Search URL Search Domain Scan URL

URL: http://www.helpwithmath.com/
Title: Help With Math

Search URL Search Domain Scan URL

URL: http://www.kkuniyuk.com/Notes
Title: Precalculus Notes

Search URL Search Domain Scan URL

URL: http://www-groups.dcs.st-and.ac.uk/~history/Day_files/Now.html
Title: Birthdays

Search URL Search Domain Scan URL

URL: http://www-groups.dcs.st-and.ac.uk/~history/HistTopics/Pi_through_the_ages.html
Title: pi

Search URL Search Domain Scan URL

URL: http://www.math.ucdavis.edu/~calculus/2005prize.html
Title: Calculus Competition Awards

Search URL Search Domain Scan URL

Redirected requests

There were HTTP redirect chains for the following requests:

6 HTTP transactions
0 data transactions

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

GET
H/1.1 200
OK Primary Request / Show response
www.calculus.org/ 22 KB
8 KB 1778ms
333ms Document
text/html 169.237.99.95
UCDAVIS-CORE

General

Check archive.org

Show headers Download Go to

Full URL

http://www.calculus.org/

Protocol

HTTP/1.1

Server

169.237.99.95 Davis, United States, ASN6192 (UCDAVIS-CORE, US),

Reverse DNS

aggregate.math.ucdavis.edu

Software

Apache/2.4.7 (Ubuntu) /

Resource Hash

e2472f55f659683e295d4362c7af349dadd63f7973c5a71be55076e333a1c766

Security Headers

Name	Value
Strict-Transport-Security	max-age=15768000

Request headers

Host: www.calculus.org
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/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9
Accept-Encoding: gzip, deflate
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

Date: Thu, 25 Jun 2020 23:58:58 GMT
Server: Apache/2.4.7 (Ubuntu)
Last-Modified: Wed, 25 Mar 2020 20:17:09 GMT
ETag: "5730-5a1b38d8608de-gzip"
Accept-Ranges: bytes
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Content-Encoding: gzip
Strict-Transport-Security: max-age=15768000
Content-Length: 7578
Keep-Alive: timeout=5, max=100
Connection: Keep-Alive
Content-Type: text/html

GET
H2 200 js Show response
www.googletagmanager.com/gtag/ 83 KB
33 KB 39ms
38ms Script
application/javascript 2a00:1450:4001:825::2008
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://www.googletagmanager.com/gtag/js?id=UA-161780442-1

Requested by

Host: www.calculus.org
URL: http://www.calculus.org/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:4001:825::2008 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

Google Tag Manager /

Resource Hash

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Security Headers

Name	Value
Strict-Transport-Security	max-age=31536000; includeSubDomains
X-Xss-Protection	0

Request headers

Referer: http://www.calculus.org/
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: Thu, 25 Jun 2020 23:58:59 GMT
content-encoding: br
vary: Accept-Encoding
status: 200
alt-svc: h3-27=":443"; ma=2592000,h3-25=":443"; ma=2592000,h3-T050=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43"
content-length: 33478
x-xss-protection: 0
last-modified: Thu, 25 Jun 2020 21:00:00 GMT
server: Google Tag Manager
strict-transport-security: max-age=31536000; includeSubDomains
content-type: application/javascript; charset=UTF-8
access-control-allow-origin: *
cache-control: private, max-age=900
access-control-allow-credentials: true
access-control-allow-headers: Cache-Control
expires: Thu, 25 Jun 2020 23:58:59 GMT

GET
H/1.1 200
OK colorlin.gif
www.calculus.org/Images/ 2 KB
3 KB 174ms
173ms Image
image/gif 169.237.99.95
UCDAVIS-CORE

General

Check archive.org

Show headers Download Go to Show image

Full URL

http://www.calculus.org/Images/colorlin.gif

Requested by

Host: www.calculus.org
URL: http://www.calculus.org/

Protocol

HTTP/1.1

Server

169.237.99.95 Davis, United States, ASN6192 (UCDAVIS-CORE, US),

Reverse DNS

aggregate.math.ucdavis.edu

Software

Apache/2.4.7 (Ubuntu) /

Resource Hash

2d9a93f78536fcbe92ca1490d7ae42e826c141558c77e04fa4767b60dfdc8187

Security Headers

Name	Value
Strict-Transport-Security	max-age=15768000

Request headers

Referer: http://www.calculus.org/
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: Thu, 25 Jun 2020 23:58:59 GMT
Last-Modified: Tue, 17 Oct 2000 01:52:32 GMT
Server: Apache/2.4.7 (Ubuntu)
ETag: "8c3-373cc9ba5f800"
Strict-Transport-Security: max-age=15768000
Content-Type: image/gif
Connection: Keep-Alive
Accept-Ranges: bytes
Keep-Alive: timeout=5, max=99
Content-Length: 2243

GET counter.js
s37.sitemeter.com/js/ 0
0

GET
H2 200 analytics.js Show response
www.google-analytics.com/ 45 KB
18 KB 6ms
5ms Script
text/javascript 2a00:1450:4001:809::200e
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://www.google-analytics.com/analytics.js

Requested by

Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtag/js?id=UA-161780442-1

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:4001:809::200e Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

Golfe2 /

Resource Hash

fd361b57998c76f86335afa28b8a62527d88a8200fb5c428d6f0fff73383e955

Security Headers

Name	Value
Strict-Transport-Security	max-age=10886400; includeSubDomains; preload
X-Content-Type-Options	nosniff

Request headers

Referer: http://www.calculus.org/
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

strict-transport-security: max-age=10886400; includeSubDomains; preload
content-encoding: gzip
x-content-type-options: nosniff
last-modified: Thu, 04 Jun 2020 23:38:14 GMT
server: Golfe2
age: 4761
date: Thu, 25 Jun 2020 22:39:38 GMT
vary: Accept-Encoding
content-type: text/javascript
status: 200
cache-control: public, max-age=7200
alt-svc: h3-27=":443"; ma=2592000,h3-25=":443"; ma=2592000,h3-T050=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43"
content-length: 18469
expires: Fri, 26 Jun 2020 00:39:38 GMT

GET
H2 200 collect
www.google-analytics.com/r/ 35 B
99 B 13ms
13ms Image
image/gif 2a00:1450:4001:809::200e
GOOGLE

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://www.google-analytics.com/r/collect?v=1&_v=j83&a=1704580038&t=pageview&_s=1&dl=http%3A%2F%2Fwww.calculus.org%2F&ul=en-us&de=windows-1252&dt=CALCULUS.ORG&sd=24-bit&sr=1600x1200&vp=1600x1200&je=0&_u=IEBAAUAB~&jid=869181644&gjid=13345197&cid=953988866.1593129539&tid=UA-161780442-1&_gid=1042028880.1593129539&_r=1&gtm=2ou6h1&z=1246504127

Requested by

Host: www.calculus.org
URL: http://www.calculus.org/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:4001:809::200e Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

Golfe2 /

Resource Hash

8337212354871836e6763a41e615916c89bac5b3f1f0adf60ba43c7c806e1015

Security Headers

Name	Value
X-Content-Type-Options	nosniff

Request headers

Referer: http://www.calculus.org/
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

pragma: no-cache
date: Thu, 25 Jun 2020 23:58:59 GMT
x-content-type-options: nosniff
last-modified: Sun, 17 May 1998 03:00:00 GMT
server: Golfe2
status: 200
content-type: image/gif
access-control-allow-origin: *
cache-control: no-cache, no-store, must-revalidate
alt-svc: h3-27=":443"; ma=2592000,h3-25=":443"; ma=2592000,h3-T050=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43"
content-length: 35
expires: Fri, 01 Jan 1990 00:00:00 GMT

Failed requests

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

Domain: s37.sitemeter.com
URL: http://s37.sitemeter.com/js/counter.js?site=s37joelhass

Verdicts & Comments Add Verdict or Comment

11 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.

3 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.

Domain/Path	Expires	Name / Value
.calculus.org/	1970-01-19 10:32:09	Name: _gat_gtag_UA_161780442_1 Value: 1
.calculus.org/	1970-01-19 10:33:35	Name: _gid Value: GA1.2.1042028880.1593129539
.calculus.org/	1970-01-20 04:03:21	Name: _ga Value: GA1.2.953988866.1593129539

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=15768000

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.

s37.sitemeter.com
www.calculus.org
www.google-analytics.com
www.googletagmanager.com
s37.sitemeter.com
169.237.99.95
2a00:1450:4001:809::200e
2a00:1450:4001:825::2008
2d9a93f78536fcbe92ca1490d7ae42e826c141558c77e04fa4767b60dfdc8187
8337212354871836e6763a41e615916c89bac5b3f1f0adf60ba43c7c806e1015
e2472f55f659683e295d4362c7af349dadd63f7973c5a71be55076e333a1c766
fc77a749c84590a489b05950d4e5ac80bb1cde32ea4fa979c369b8dd9208b427
fd361b57998c76f86335afa28b8a62527d88a8200fb5c428d6f0fff73383e955

www.calculus.org Open in urlscan Pro 169.237.99.95 Public Scan

Summary

urlscan.io Verdict: No classification

Domain & IP information

Screenshot Live screenshot Full Image

Detected technologies

Page Statistics

6 Requests

50 %HTTPS

67 %IPv6

4 Domains

4 Subdomains

4 IPs

2 Countries

61 kBTransfer

152 kBSize

3 Cookies

113 Outgoing links

Redirected requests

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

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Failed requests

Verdicts & Comments Add Verdict or Comment

11 JavaScript Global Variables

3 Cookies

Security Headers

Indicators

www.calculus.org Open in urlscan Pro
169.237.99.95 Public Scan

Screenshot
Live screenshot

Full Image

6
Requests

50 %
HTTPS

67 %
IPv6

4
Domains

4
Subdomains

4
IPs

2
Countries

61 kB
Transfer

152 kB
Size

3
Cookies

6 HTTP transactions
0 data transactions