Submitted URL: https://musictheory.pugetsound.edu/mt21c/
Effective URL: https://musictheory.pugetsound.edu/mt21c/MusicTheory.html
Submission: On March 09 via manual from US — Scanned from DE

Summary

This website contacted 8 IPs in 3 countries across 8 domains to perform 35 HTTP transactions. The main IP is 207.207.126.61, located in Tacoma, United States and belongs to UPS-12-ASN, US. The main domain is musictheory.pugetsound.edu.
TLS certificate: Issued by RapidSSL Global TLS RSA4096 SHA256 20... on September 26th 2022. Valid for: a year.
This is the only time musictheory.pugetsound.edu was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
3 207.207.126.61 31766 (UPS-12-ASN)
7 2a04:4e42::485 54113 (FASTLY)
15 2600:3c00::f0... 63949 (AKAMAI-AP...)
3 2a00:1450:400... 15169 (GOOGLE)
1 2606:4700:20:... 13335 (CLOUDFLAR...)
1 2a00:1450:400... 15169 (GOOGLE)
3 2a00:1450:400... 15169 (GOOGLE)
2 2a00:1450:400... 15169 (GOOGLE)
35 8
Apex Domain
Subdomains
Transfer
15 pretextbook.org
pretextbook.org — Cisco Umbrella Rank: 376509
371 KB
7 jsdelivr.net
cdn.jsdelivr.net — Cisco Umbrella Rank: 337
345 KB
3 gstatic.com
fonts.gstatic.com
106 KB
3 googleapis.com
fonts.googleapis.com — Cisco Umbrella Rank: 29
3 KB
3 pugetsound.edu
musictheory.pugetsound.edu
45 KB
2 google-analytics.com
www.google-analytics.com — Cisco Umbrella Rank: 24
20 KB
1 googletagmanager.com
www.googletagmanager.com — Cisco Umbrella Rank: 41
44 KB
1 mathjax.org
www.mathjax.org — Cisco Umbrella Rank: 520089
4 KB
35 8
Domain Requested by
15 pretextbook.org musictheory.pugetsound.edu
cdn.jsdelivr.net
7 cdn.jsdelivr.net musictheory.pugetsound.edu
cdn.jsdelivr.net
3 fonts.gstatic.com fonts.googleapis.com
3 fonts.googleapis.com musictheory.pugetsound.edu
pretextbook.org
3 musictheory.pugetsound.edu musictheory.pugetsound.edu
2 www.google-analytics.com www.googletagmanager.com
www.google-analytics.com
1 www.googletagmanager.com musictheory.pugetsound.edu
1 www.mathjax.org musictheory.pugetsound.edu
35 8

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

Domain
pretextbook.org
www.mathjax.org
Subject Issuer Validity Valid
musictheory.pugetsound.edu
RapidSSL Global TLS RSA4096 SHA256 2022 CA1
2022-09-26 -
2023-10-09
a year crt.sh
jsdelivr.net
GlobalSign Atlas R3 DV TLS CA 2022 Q4
2022-12-23 -
2024-01-24
a year crt.sh
pretextbook.org
R3
2023-03-08 -
2023-06-06
3 months crt.sh
upload.video.google.com
GTS CA 1C3
2023-02-08 -
2023-05-03
3 months crt.sh
sni.cloudflaressl.com
Cloudflare Inc ECC CA-3
2022-06-08 -
2023-06-07
a year crt.sh
*.google-analytics.com
GTS CA 1C3
2023-02-20 -
2023-05-15
3 months crt.sh
*.gstatic.com
GTS CA 1C3
2023-02-20 -
2023-05-15
3 months crt.sh

This page contains 1 frames:

Primary Page: https://musictheory.pugetsound.edu/mt21c/MusicTheory.html
Frame ID: 5045D3B6863D269FD471E0BAACA22CEB
Requests: 35 HTTP requests in this frame

Screenshot

Page Title

Music Theory for the 21st-Century Classroom

Page URL History Show full URLs

  1. https://musictheory.pugetsound.edu/mt21c/ Page URL
  2. https://musictheory.pugetsound.edu/mt21c/MusicTheory.html Page URL

Detected technologies

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

Overall confidence: 100%
Detected patterns
  • <link[^>]* href=[^>]+fonts\.(?:googleapis|google)\.com

Overall confidence: 100%
Detected patterns
  • googletagmanager\.com/gtag/js

Overall confidence: 100%
Detected patterns
  • jquery.*\.js(?:\?ver(?:sion)?=([\d.]+))?

Overall confidence: 100%
Detected patterns
  • //cdn\.jsdelivr\.net/

Overall confidence: 100%
Detected patterns
  • math(?:\.min)?\.js

Page Statistics

35
Requests

100 %
HTTPS

88 %
IPv6

8
Domains

8
Subdomains

8
IPs

3
Countries

937 kB
Transfer

2011 kB
Size

3
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://musictheory.pugetsound.edu/mt21c/ Page URL
  2. https://musictheory.pugetsound.edu/mt21c/MusicTheory.html Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

35 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
/
musictheory.pugetsound.edu/mt21c/
660 B
990 B
Document
General
Full URL
https://musictheory.pugetsound.edu/mt21c/
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
207.207.126.61 Tacoma, United States, ASN31766 (UPS-12-ASN, US),
Reverse DNS
Software
Apache/2.4.6 (CentOS) OpenSSL/1.0.2k-fips PHP/5.4.16 /
Resource Hash

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.5563.64 Safari/537.36
accept-language
de-DE,de;q=0.9

Response headers

Accept-Ranges
bytes
Connection
Keep-Alive
Content-Length
660
Content-Type
text/html; charset=UTF-8
Date
Thu, 09 Mar 2023 12:17:51 GMT
ETag
"294-5c8c109a49ec7"
Keep-Alive
timeout=5, max=100
Last-Modified
Wed, 04 Aug 2021 19:44:59 GMT
Server
Apache/2.4.6 (CentOS) OpenSSL/1.0.2k-fips PHP/5.4.16
Primary Request MusicTheory.html
musictheory.pugetsound.edu/mt21c/
44 KB
44 KB
Document
General
Full URL
https://musictheory.pugetsound.edu/mt21c/MusicTheory.html
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
207.207.126.61 Tacoma, United States, ASN31766 (UPS-12-ASN, US),
Reverse DNS
Software
Apache/2.4.6 (CentOS) OpenSSL/1.0.2k-fips PHP/5.4.16 /
Resource Hash
e17e1e9e0e9beecb21996398a576675200c0337ba7d14c943f258ecc1d8aa440

Request headers

Referer
https://musictheory.pugetsound.edu/mt21c/
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.5563.64 Safari/537.36
accept-language
de-DE,de;q=0.9

Response headers

Accept-Ranges
bytes
Connection
Keep-Alive
Content-Length
44764
Content-Type
text/html; charset=UTF-8
Date
Thu, 09 Mar 2023 12:17:51 GMT
ETag
"aedc-5c8c105de346b"
Keep-Alive
timeout=5, max=99
Last-Modified
Wed, 04 Aug 2021 19:43:56 GMT
Server
Apache/2.4.6 (CentOS) OpenSSL/1.0.2k-fips PHP/5.4.16
tex-chtml.js
cdn.jsdelivr.net/npm/mathjax@3/es5/
1 MB
258 KB
Script
General
Full URL
https://cdn.jsdelivr.net/npm/mathjax@3/es5/tex-chtml.js
Requested by
Host: musictheory.pugetsound.edu
URL: https://musictheory.pugetsound.edu/mt21c/MusicTheory.html
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a04:4e42::485 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
/
Resource Hash
0a6ded5abbce13331658dd239f34382abd06492c74b71b61e8caa8112ec55fa5
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://musictheory.pugetsound.edu/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.5563.64 Safari/537.36

Response headers

strict-transport-security
max-age=31536000; includeSubDomains; preload
date
Thu, 09 Mar 2023 12:17:43 GMT
x-content-type-options
nosniff
content-encoding
gzip
age
30785
x-jsd-version
3.2.2
x-cache
HIT, HIT
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443";ma=86400,h3-29=":443";ma=86400,h3-27=":443";ma=86400
content-length
263452
x-served-by
cache-fra-eddf8230028-FRA, cache-hhn-etou8220024-HHN
x-jsd-version-type
version
etag
W/"11b71d-5rrUYYZf7iU87WaawfBgSS+mhY8"
vary
Accept-Encoding
content-type
application/javascript; charset=utf-8
access-control-allow-origin
*
access-control-expose-headers
*
cache-control
public, max-age=604800, s-maxage=43200
accept-ranges
bytes
timing-allow-origin
*
jquery.min.js
pretextbook.org/js/lib/
85 KB
85 KB
Script
General
Full URL
https://pretextbook.org/js/lib/jquery.min.js
Requested by
Host: musictheory.pugetsound.edu
URL: https://musictheory.pugetsound.edu/mt21c/MusicTheory.html
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
2600:3c00::f03c:91ff:fee2:1e2e Richardson, United States, ASN63949 (AKAMAI-AP Akamai Technologies, Inc., SG),
Reverse DNS
Software
nginx/1.20.1 /
Resource Hash
160a426ff2894252cd7cebbdd6d6b7da8fcd319c65b70468f10b6690c45d02ef

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://musictheory.pugetsound.edu/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.5563.64 Safari/537.36

Response headers

Date
Thu, 09 Mar 2023 12:17:44 GMT
Last-Modified
Wed, 11 Dec 2019 04:06:53 GMT
Server
nginx/1.20.1
ETag
"5df06b5d-1538f"
Content-Type
application/javascript
Connection
keep-alive
Accept-Ranges
bytes
Content-Length
86927
jquery.sticky.js
pretextbook.org/js/lib/
5 KB
5 KB
Script
General
Full URL
https://pretextbook.org/js/lib/jquery.sticky.js
Requested by
Host: musictheory.pugetsound.edu
URL: https://musictheory.pugetsound.edu/mt21c/MusicTheory.html
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
2600:3c00::f03c:91ff:fee2:1e2e Richardson, United States, ASN63949 (AKAMAI-AP Akamai Technologies, Inc., SG),
Reverse DNS
Software
nginx/1.20.1 /
Resource Hash
4fc12cfb02ea5e077720c565163fa77aaf4f4126ac6c8f9ea0d76b5eac96d1e2

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://musictheory.pugetsound.edu/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.5563.64 Safari/537.36

Response headers

Date
Thu, 09 Mar 2023 12:17:44 GMT
Last-Modified
Wed, 11 Dec 2019 04:06:53 GMT
Server
nginx/1.20.1
ETag
"5df06b5d-149b"
Content-Type
application/javascript
Connection
keep-alive
Accept-Ranges
bytes
Content-Length
5275
jquery.espy.min.js
pretextbook.org/js/lib/
7 KB
7 KB
Script
General
Full URL
https://pretextbook.org/js/lib/jquery.espy.min.js
Requested by
Host: musictheory.pugetsound.edu
URL: https://musictheory.pugetsound.edu/mt21c/MusicTheory.html
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
2600:3c00::f03c:91ff:fee2:1e2e Richardson, United States, ASN63949 (AKAMAI-AP Akamai Technologies, Inc., SG),
Reverse DNS
Software
nginx/1.20.1 /
Resource Hash
5a895fe9faefe1f7866cfe1bd106cb2d24ab08f9f3558220c4dce00acb35d026

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://musictheory.pugetsound.edu/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.5563.64 Safari/537.36

Response headers

Date
Thu, 09 Mar 2023 12:17:44 GMT
Last-Modified
Wed, 09 Mar 2022 02:47:58 GMT
Server
nginx/1.20.1
ETag
"6228155e-1a12"
Content-Type
application/javascript
Connection
keep-alive
Accept-Ranges
bytes
Content-Length
6674
pretext.js
pretextbook.org/js/0.13/
44 KB
44 KB
Script
General
Full URL
https://pretextbook.org/js/0.13/pretext.js
Requested by
Host: musictheory.pugetsound.edu
URL: https://musictheory.pugetsound.edu/mt21c/MusicTheory.html
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
2600:3c00::f03c:91ff:fee2:1e2e Richardson, United States, ASN63949 (AKAMAI-AP Akamai Technologies, Inc., SG),
Reverse DNS
Software
nginx/1.20.1 /
Resource Hash
46d1e07df1b1ba3de036383297467e3e3641c85febf80b2a20f1a17d75ad6708

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://musictheory.pugetsound.edu/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.5563.64 Safari/537.36

Response headers

Date
Thu, 09 Mar 2023 12:17:44 GMT
Last-Modified
Wed, 28 Apr 2021 18:13:51 GMT
Server
nginx/1.20.1
ETag
"6089a5df-afb5"
Content-Type
application/javascript
Connection
keep-alive
Accept-Ranges
bytes
Content-Length
44981
pretext_add_on.js
pretextbook.org/js/0.13/
41 KB
41 KB
Script
General
Full URL
https://pretextbook.org/js/0.13/pretext_add_on.js
Requested by
Host: musictheory.pugetsound.edu
URL: https://musictheory.pugetsound.edu/mt21c/MusicTheory.html
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
2600:3c00::f03c:91ff:fee2:1e2e Richardson, United States, ASN63949 (AKAMAI-AP Akamai Technologies, Inc., SG),
Reverse DNS
Software
nginx/1.20.1 /
Resource Hash
6f910e8c651bdf795805e765b85e0d2ba557a4b4db22961c0e90b4c79940fcad

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://musictheory.pugetsound.edu/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.5563.64 Safari/537.36

Response headers

Date
Thu, 09 Mar 2023 12:17:44 GMT
Last-Modified
Sun, 13 Nov 2022 01:31:10 GMT
Server
nginx/1.20.1
ETag
"637048de-a49e"
Content-Type
application/javascript
Connection
keep-alive
Accept-Ranges
bytes
Content-Length
42142
knowl.js
pretextbook.org/js/lib/
14 KB
14 KB
Script
General
Full URL
https://pretextbook.org/js/lib/knowl.js
Requested by
Host: musictheory.pugetsound.edu
URL: https://musictheory.pugetsound.edu/mt21c/MusicTheory.html
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
2600:3c00::f03c:91ff:fee2:1e2e Richardson, United States, ASN63949 (AKAMAI-AP Akamai Technologies, Inc., SG),
Reverse DNS
Software
nginx/1.20.1 /
Resource Hash
6f5320df0b478f7935f5187b4ca8a6d10cb4687f1ddf3ed81f3c1f3e29a1c7c7

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://musictheory.pugetsound.edu/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.5563.64 Safari/537.36

Response headers

Date
Thu, 09 Mar 2023 12:17:44 GMT
Last-Modified
Tue, 24 Jan 2023 20:03:09 GMT
Server
nginx/1.20.1
ETag
"63d0397d-370c"
Content-Type
application/javascript
Connection
keep-alive
Accept-Ranges
bytes
Content-Length
14092
css
fonts.googleapis.com/
10 KB
1 KB
Stylesheet
General
Full URL
https://fonts.googleapis.com/css?family=Open+Sans:400,400italic,600,600italic
Requested by
Host: musictheory.pugetsound.edu
URL: https://musictheory.pugetsound.edu/mt21c/MusicTheory.html
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:400d:80d::200a , Ireland, ASN15169 (GOOGLE, US),
Reverse DNS
Software
ESF /
Resource Hash
faed5a9a3e8f60e24c359339fc1f4cdca6544747f3ac562dda4e5f92cebdc61c
Security Headers
Name Value
Strict-Transport-Security max-age=31536000
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 0

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://musictheory.pugetsound.edu/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.5563.64 Safari/537.36

Response headers

strict-transport-security
max-age=31536000
date
Thu, 09 Mar 2023 12:17:44 GMT
content-encoding
gzip
x-content-type-options
nosniff
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
x-xss-protection
0
last-modified
Thu, 09 Mar 2023 12:12:36 GMT
server
ESF
cross-origin-opener-policy
same-origin-allow-popups
x-frame-options
SAMEORIGIN
content-type
text/css; charset=utf-8
access-control-allow-origin
*
cache-control
private, max-age=86400, stale-while-revalidate=604800
timing-allow-origin
*
link
<https://fonts.gstatic.com>; rel=preconnect; crossorigin
expires
Thu, 09 Mar 2023 12:17:44 GMT
css
fonts.googleapis.com/
2 KB
561 B
Stylesheet
General
Full URL
https://fonts.googleapis.com/css?family=Inconsolata:400,700&subset=latin,latin-ext
Requested by
Host: musictheory.pugetsound.edu
URL: https://musictheory.pugetsound.edu/mt21c/MusicTheory.html
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:400d:80d::200a , Ireland, ASN15169 (GOOGLE, US),
Reverse DNS
Software
ESF /
Resource Hash
e397d7a48882ecfe6763aa0a64bb2622cbbad32e06a479633fa1033d484d8df9
Security Headers
Name Value
Strict-Transport-Security max-age=31536000
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 0

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://musictheory.pugetsound.edu/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.5563.64 Safari/537.36

Response headers

strict-transport-security
max-age=31536000
date
Thu, 09 Mar 2023 12:17:44 GMT
content-encoding
gzip
x-content-type-options
nosniff
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
x-xss-protection
0
last-modified
Thu, 09 Mar 2023 12:17:44 GMT
server
ESF
cross-origin-opener-policy
same-origin-allow-popups
x-frame-options
SAMEORIGIN
content-type
text/css; charset=utf-8
access-control-allow-origin
*
cache-control
private, max-age=86400, stale-while-revalidate=604800
timing-allow-origin
*
link
<https://fonts.gstatic.com>; rel=preconnect; crossorigin
expires
Thu, 09 Mar 2023 12:17:44 GMT
pretext.css
pretextbook.org/css/0.31/
42 KB
42 KB
Stylesheet
General
Full URL
https://pretextbook.org/css/0.31/pretext.css
Requested by
Host: musictheory.pugetsound.edu
URL: https://musictheory.pugetsound.edu/mt21c/MusicTheory.html
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
2600:3c00::f03c:91ff:fee2:1e2e Richardson, United States, ASN63949 (AKAMAI-AP Akamai Technologies, Inc., SG),
Reverse DNS
Software
nginx/1.20.1 /
Resource Hash
56c7eed7fb37373fd368ef417f64729620063d896f077b79148a47b1c32a1766

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://musictheory.pugetsound.edu/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.5563.64 Safari/537.36

Response headers

Date
Thu, 09 Mar 2023 12:17:44 GMT
Last-Modified
Wed, 08 Sep 2021 12:34:27 GMT
Server
nginx/1.20.1
ETag
"6138add3-a906"
Content-Type
text/css
Connection
keep-alive
Accept-Ranges
bytes
Content-Length
43270
pretext_add_on.css
pretextbook.org/css/0.31/
102 KB
102 KB
Stylesheet
General
Full URL
https://pretextbook.org/css/0.31/pretext_add_on.css
Requested by
Host: musictheory.pugetsound.edu
URL: https://musictheory.pugetsound.edu/mt21c/MusicTheory.html
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
2600:3c00::f03c:91ff:fee2:1e2e Richardson, United States, ASN63949 (AKAMAI-AP Akamai Technologies, Inc., SG),
Reverse DNS
Software
nginx/1.20.1 /
Resource Hash
e1a56109e5e2ae64db4839b5ecbcb8babc9c6f91877310d3929b43a42a23a7e1

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://musictheory.pugetsound.edu/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.5563.64 Safari/537.36

Response headers

Date
Thu, 09 Mar 2023 12:17:44 GMT
Last-Modified
Sun, 31 Jul 2022 16:57:09 GMT
Server
nginx/1.20.1
ETag
"62e6b465-1988c"
Content-Type
text/css
Connection
keep-alive
Accept-Ranges
bytes
Content-Length
104588
banner_default.css
pretextbook.org/css/0.31/
3 KB
4 KB
Stylesheet
General
Full URL
https://pretextbook.org/css/0.31/banner_default.css
Requested by
Host: musictheory.pugetsound.edu
URL: https://musictheory.pugetsound.edu/mt21c/MusicTheory.html
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
2600:3c00::f03c:91ff:fee2:1e2e Richardson, United States, ASN63949 (AKAMAI-AP Akamai Technologies, Inc., SG),
Reverse DNS
Software
nginx/1.20.1 /
Resource Hash
356f96a23fa758ad9c8261a0adb83a9876052569335abfa6cc3d727e489df341

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://musictheory.pugetsound.edu/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.5563.64 Safari/537.36

Response headers

Date
Thu, 09 Mar 2023 12:17:44 GMT
Last-Modified
Thu, 21 Nov 2019 22:08:59 GMT
Server
nginx/1.20.1
ETag
"5dd70afb-dbd"
Content-Type
text/css
Connection
keep-alive
Accept-Ranges
bytes
Content-Length
3517
toc_default.css
pretextbook.org/css/0.31/
2 KB
2 KB
Stylesheet
General
Full URL
https://pretextbook.org/css/0.31/toc_default.css
Requested by
Host: musictheory.pugetsound.edu
URL: https://musictheory.pugetsound.edu/mt21c/MusicTheory.html
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
2600:3c00::f03c:91ff:fee2:1e2e Richardson, United States, ASN63949 (AKAMAI-AP Akamai Technologies, Inc., SG),
Reverse DNS
Software
nginx/1.20.1 /
Resource Hash
273df98c14d262981cd8bf7e35858015a391a5730aa51bc52e5e62c8978fd40e

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://musictheory.pugetsound.edu/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.5563.64 Safari/537.36

Response headers

Date
Thu, 09 Mar 2023 12:17:44 GMT
Last-Modified
Fri, 25 Sep 2020 22:05:16 GMT
Server
nginx/1.20.1
ETag
"5f6e699c-910"
Content-Type
text/css
Connection
keep-alive
Accept-Ranges
bytes
Content-Length
2320
knowls_default.css
pretextbook.org/css/0.31/
5 KB
5 KB
Stylesheet
General
Full URL
https://pretextbook.org/css/0.31/knowls_default.css
Requested by
Host: musictheory.pugetsound.edu
URL: https://musictheory.pugetsound.edu/mt21c/MusicTheory.html
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
2600:3c00::f03c:91ff:fee2:1e2e Richardson, United States, ASN63949 (AKAMAI-AP Akamai Technologies, Inc., SG),
Reverse DNS
Software
nginx/1.20.1 /
Resource Hash
49b9d790f698b640203504082a7fb3bd4e4d388871f3c4583cda1cbd466ffdea

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://musictheory.pugetsound.edu/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.5563.64 Safari/537.36

Response headers

Date
Thu, 09 Mar 2023 12:17:44 GMT
Last-Modified
Fri, 06 May 2022 20:32:48 GMT
Server
nginx/1.20.1
ETag
"627585f0-1392"
Content-Type
text/css
Connection
keep-alive
Accept-Ranges
bytes
Content-Length
5010
style_default.css
pretextbook.org/css/0.31/
8 KB
8 KB
Stylesheet
General
Full URL
https://pretextbook.org/css/0.31/style_default.css
Requested by
Host: musictheory.pugetsound.edu
URL: https://musictheory.pugetsound.edu/mt21c/MusicTheory.html
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
2600:3c00::f03c:91ff:fee2:1e2e Richardson, United States, ASN63949 (AKAMAI-AP Akamai Technologies, Inc., SG),
Reverse DNS
Software
nginx/1.20.1 /
Resource Hash
64dd0de813eee1a8f47061c570312002fee55e116ab4558f05c4fafc3d17a0a4

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://musictheory.pugetsound.edu/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.5563.64 Safari/537.36

Response headers

Date
Thu, 09 Mar 2023 12:17:44 GMT
Last-Modified
Fri, 24 Sep 2021 12:43:32 GMT
Server
nginx/1.20.1
ETag
"614dc7f4-205a"
Content-Type
text/css
Connection
keep-alive
Accept-Ranges
bytes
Content-Length
8282
colors_default.css
pretextbook.org/css/0.31/
3 KB
3 KB
Stylesheet
General
Full URL
https://pretextbook.org/css/0.31/colors_default.css
Requested by
Host: musictheory.pugetsound.edu
URL: https://musictheory.pugetsound.edu/mt21c/MusicTheory.html
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
2600:3c00::f03c:91ff:fee2:1e2e Richardson, United States, ASN63949 (AKAMAI-AP Akamai Technologies, Inc., SG),
Reverse DNS
Software
nginx/1.20.1 /
Resource Hash
aa8db7d854de22be48bd475d600814a8d8f619b88890bf7275abd80cb08c9629

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://musictheory.pugetsound.edu/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.5563.64 Safari/537.36

Response headers

Date
Thu, 09 Mar 2023 12:17:44 GMT
Last-Modified
Fri, 22 Nov 2019 17:52:58 GMT
Server
nginx/1.20.1
ETag
"5dd8207a-a30"
Content-Type
text/css
Connection
keep-alive
Accept-Ranges
bytes
Content-Length
2608
setcolors.css
pretextbook.org/css/0.31/
5 KB
5 KB
Stylesheet
General
Full URL
https://pretextbook.org/css/0.31/setcolors.css
Requested by
Host: musictheory.pugetsound.edu
URL: https://musictheory.pugetsound.edu/mt21c/MusicTheory.html
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
2600:3c00::f03c:91ff:fee2:1e2e Richardson, United States, ASN63949 (AKAMAI-AP Akamai Technologies, Inc., SG),
Reverse DNS
Software
nginx/1.20.1 /
Resource Hash
cc48d708f6dfd05086dbcbc1c4d11672a9357686eaa2e5533ea6fe29bc2810c9

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://musictheory.pugetsound.edu/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.5563.64 Safari/537.36

Response headers

Date
Thu, 09 Mar 2023 12:17:44 GMT
Last-Modified
Wed, 09 Feb 2022 13:28:30 GMT
Server
nginx/1.20.1
ETag
"6203c17e-1243"
Content-Type
text/css
Connection
keep-alive
Accept-Ranges
bytes
Content-Length
4675
developer.css
musictheory.pugetsound.edu/mt21c/
0
0
Stylesheet
General
Full URL
https://musictheory.pugetsound.edu/mt21c/developer.css
Requested by
Host: musictheory.pugetsound.edu
URL: https://musictheory.pugetsound.edu/mt21c/MusicTheory.html
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
207.207.126.61 Tacoma, United States, ASN31766 (UPS-12-ASN, US),
Reverse DNS
Software
Apache/2.4.6 (CentOS) OpenSSL/1.0.2k-fips PHP/5.4.16 /
Resource Hash

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://musictheory.pugetsound.edu/mt21c/MusicTheory.html
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.5563.64 Safari/537.36

Response headers

Date
Thu, 09 Mar 2023 12:17:52 GMT
Server
Apache/2.4.6 (CentOS) OpenSSL/1.0.2k-fips PHP/5.4.16
Connection
Keep-Alive
Keep-Alive
timeout=5, max=98
Content-Length
217
Content-Type
text/html; charset=iso-8859-1
asciimath.js
cdn.jsdelivr.net/npm/mathjax@3/es5/input/
105 KB
28 KB
Script
General
Full URL
https://cdn.jsdelivr.net/npm/mathjax@3/es5/input/asciimath.js
Requested by
Host: cdn.jsdelivr.net
URL: https://cdn.jsdelivr.net/npm/mathjax@3/es5/tex-chtml.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a04:4e42::485 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
/
Resource Hash
19b136e45ed82e690a9ff99a7392e713df3b4538a237534a4bcba17dc25ae847
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://musictheory.pugetsound.edu/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.5563.64 Safari/537.36

Response headers

strict-transport-security
max-age=31536000; includeSubDomains; preload
date
Thu, 09 Mar 2023 12:17:44 GMT
x-content-type-options
nosniff
content-encoding
gzip
age
14183
x-jsd-version
3.2.2
x-cache
HIT, HIT
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443";ma=86400,h3-29=":443";ma=86400,h3-27=":443";ma=86400
content-length
28892
x-served-by
cache-fra-eddf8230103-FRA, cache-hhn-etou8220024-HHN
x-jsd-version-type
version
etag
W/"1a505-3fEaECBULVe/19sP3NCRWns0QSU"
vary
Accept-Encoding
content-type
application/javascript; charset=utf-8
access-control-allow-origin
*
access-control-expose-headers
*
cache-control
public, max-age=604800, s-maxage=43200
accept-ranges
bytes
timing-allow-origin
*
extpfeil.js
cdn.jsdelivr.net/npm/mathjax@3/es5/input/tex/extensions/
3 KB
2 KB
Script
General
Full URL
https://cdn.jsdelivr.net/npm/mathjax@3/es5/input/tex/extensions/extpfeil.js
Requested by
Host: cdn.jsdelivr.net
URL: https://cdn.jsdelivr.net/npm/mathjax@3/es5/tex-chtml.js
Protocol
H3
Security
QUIC, , AES_256_GCM
Server
2a04:4e42::485 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
/
Resource Hash
d8d5ecd75abc4306a6d589442dfa66a4345dee1288347591bddaf19551388163
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://musictheory.pugetsound.edu/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.5563.64 Safari/537.36

Response headers

strict-transport-security
max-age=31536000; includeSubDomains; preload
date
Thu, 09 Mar 2023 12:17:44 GMT
x-content-type-options
nosniff
content-encoding
gzip
age
13644
x-jsd-version
3.2.2
x-cache
HIT, HIT
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443";ma=86400,h3-29=":443";ma=86400,h3-27=":443";ma=86400
content-length
1167
x-served-by
cache-fra-eddf8230029-FRA, cache-hhn-etou8220060-HHN
x-jsd-version-type
version
etag
W/"d7b-tkQmHxrj9mMpck8war+QziMs/l4"
vary
Accept-Encoding
content-type
application/javascript; charset=utf-8
access-control-allow-origin
*
access-control-expose-headers
*
cache-control
public, max-age=604800, s-maxage=43200
accept-ranges
bytes
timing-allow-origin
*
amscd.js
cdn.jsdelivr.net/npm/mathjax@3/es5/input/tex/extensions/
7 KB
3 KB
Script
General
Full URL
https://cdn.jsdelivr.net/npm/mathjax@3/es5/input/tex/extensions/amscd.js
Requested by
Host: cdn.jsdelivr.net
URL: https://cdn.jsdelivr.net/npm/mathjax@3/es5/tex-chtml.js
Protocol
H3
Security
QUIC, , AES_256_GCM
Server
2a04:4e42::485 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
/
Resource Hash
7dc7256ebc5822379cdf9f504559309d97c5f26e09e2150d25dd46e35a6acf94
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://musictheory.pugetsound.edu/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.5563.64 Safari/537.36

Response headers

strict-transport-security
max-age=31536000; includeSubDomains; preload
date
Thu, 09 Mar 2023 12:17:44 GMT
x-content-type-options
nosniff
content-encoding
gzip
age
13644
x-jsd-version
3.2.2
x-cache
HIT, HIT
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443";ma=86400,h3-29=":443";ma=86400,h3-27=":443";ma=86400
content-length
2201
x-served-by
cache-fra-eddf8230025-FRA, cache-hhn-etou8220060-HHN
x-jsd-version-type
version
etag
W/"1a71-ICz3+94hB7N1UXSsv0s8jVO6MfM"
vary
Accept-Encoding
content-type
application/javascript; charset=utf-8
access-control-allow-origin
*
access-control-expose-headers
*
cache-control
public, max-age=604800, s-maxage=43200
accept-ranges
bytes
timing-allow-origin
*
mathjaxknowl3.js
pretextbook.org/js/lib/
1 KB
2 KB
Script
General
Full URL
https://pretextbook.org/js/lib/mathjaxknowl3.js
Requested by
Host: cdn.jsdelivr.net
URL: https://cdn.jsdelivr.net/npm/mathjax@3/es5/tex-chtml.js
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
2600:3c00::f03c:91ff:fee2:1e2e Richardson, United States, ASN63949 (AKAMAI-AP Akamai Technologies, Inc., SG),
Reverse DNS
Software
nginx/1.20.1 /
Resource Hash
468f867a0186a0413332067fb4672fda765b84ac02be44bfc8f885bca4a2564b

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://musictheory.pugetsound.edu/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.5563.64 Safari/537.36

Response headers

Date
Thu, 09 Mar 2023 12:17:45 GMT
Last-Modified
Sat, 08 May 2021 18:19:15 GMT
Server
nginx/1.20.1
ETag
"6096d623-56e"
Content-Type
application/javascript
Connection
keep-alive
Accept-Ranges
bytes
Content-Length
1390
badge.gif
www.mathjax.org/badge/
4 KB
4 KB
Image
General
Full URL
https://www.mathjax.org/badge/badge.gif
Requested by
Host: musictheory.pugetsound.edu
URL: https://musictheory.pugetsound.edu/mt21c/MusicTheory.html
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:20::ac43:48ac , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
7864c17cc5c1cd8b7e4d588fde3a167958c768ff9e6cd7386a27938e704329cf

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://musictheory.pugetsound.edu/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.5563.64 Safari/537.36

Response headers

x-fastly-request-id
06cf5736d79f9c7462ceb8ee4b41417877db929a
date
Thu, 09 Mar 2023 12:17:45 GMT
via
1.1 varnish
expires
Thu, 09 Mar 2023 07:04:08 GMT
cf-cache-status
REVALIDATED
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
x-proxy-cache
MISS
x-cache
HIT
content-length
3723
x-served-by
cache-hhn4046-HHN
last-modified
Tue, 06 Dec 2022 16:30:30 GMT
server
cloudflare
x-github-request-id
5FB4:13121:2943079:2A8FB3B:638F6EAA
x-timer
S1670344753.926238,VS0,VE2
etag
"638f6e26-e8b"
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=q6tUxvYL5qUWwK218Q1p5yZUQqjoe49x9eh9kr2Ess5M5GwrmB2Sw1MLFROOWT7o%2FjB7U0Tg5RRBVAhdx4wy%2Fr4rNkl0iDrpWpiceRlwCzgViOM%2BfA25Hl83USGeiGvT2b4YZu6oygYDMd88oA%3D%3D"}],"group":"cf-nel","max_age":604800}
content-type
image/gif
access-control-allow-origin
*
cache-control
max-age=16070400
accept-ranges
bytes
cf-ray
7a5341b0d9439b55-FRA
x-cache-hits
1
js
www.googletagmanager.com/gtag/
112 KB
44 KB
Script
General
Full URL
https://www.googletagmanager.com/gtag/js?id=UA-166054952-1
Requested by
Host: musictheory.pugetsound.edu
URL: https://musictheory.pugetsound.edu/mt21c/MusicTheory.html
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:811::2008 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Google Tag Manager /
Resource Hash
db6657a46d24160a20364eaf780cbf17fc57247e8dd6c1d89120a025ae73df33
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains
X-Xss-Protection 0

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://musictheory.pugetsound.edu/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.5563.64 Safari/537.36

Response headers

date
Thu, 09 Mar 2023 12:17:45 GMT
content-encoding
br
strict-transport-security
max-age=31536000; includeSubDomains
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
44814
x-xss-protection
0
last-modified
Thu, 09 Mar 2023 12:00:00 GMT
server
Google Tag Manager
vary
Accept-Encoding
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, 09 Mar 2023 12:17:45 GMT
css
fonts.googleapis.com/
15 KB
1 KB
Stylesheet
General
Full URL
https://fonts.googleapis.com/css?family=PT+Serif:400,700,400italic,700italic|Open+Sans:400italic,700italic,400,700
Requested by
Host: pretextbook.org
URL: https://pretextbook.org/css/0.31/pretext_add_on.css
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:400d:80d::200a , Ireland, ASN15169 (GOOGLE, US),
Reverse DNS
Software
ESF /
Resource Hash
c15eec693a2d2dc3a76f52634eece529893b938196cd4e9e329fd1bbdf6a5d91
Security Headers
Name Value
Strict-Transport-Security max-age=31536000
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 0

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://pretextbook.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.5563.64 Safari/537.36

Response headers

strict-transport-security
max-age=31536000
date
Thu, 09 Mar 2023 12:17:45 GMT
content-encoding
gzip
x-content-type-options
nosniff
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
x-xss-protection
0
last-modified
Thu, 09 Mar 2023 12:17:45 GMT
server
ESF
cross-origin-opener-policy
same-origin-allow-popups
x-frame-options
SAMEORIGIN
content-type
text/css; charset=utf-8
access-control-allow-origin
*
cache-control
private, max-age=86400, stale-while-revalidate=604800
timing-allow-origin
*
link
<https://fonts.gstatic.com>; rel=preconnect; crossorigin
expires
Thu, 09 Mar 2023 12:17:45 GMT
memvYaGs126MiZpBA-UvWbX2vVnXBbObj2OVTS-muw.woff2
fonts.gstatic.com/s/opensans/v34/
44 KB
44 KB
Font
General
Full URL
https://fonts.gstatic.com/s/opensans/v34/memvYaGs126MiZpBA-UvWbX2vVnXBbObj2OVTS-muw.woff2
Requested by
Host: fonts.googleapis.com
URL: https://fonts.googleapis.com/css?family=Open+Sans:400,400italic,600,600italic
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:801::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
8778e9af2422858d7052ff9a0f3c12c08ae976bdd6e0316db144cd5579cd97db
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

Referer
https://fonts.googleapis.com/
Origin
https://musictheory.pugetsound.edu
accept-language
de-DE,de;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.5563.64 Safari/537.36

Response headers

date
Thu, 09 Mar 2023 05:05:33 GMT
x-content-type-options
nosniff
age
25932
content-security-policy-report-only
require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/apps-themes
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
44856
x-xss-protection
0
last-modified
Mon, 15 Aug 2022 18:20:18 GMT
server
sffe
cross-origin-opener-policy
same-origin; report-to="apps-themes"
report-to
{"group":"apps-themes","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/apps-themes"}]}
content-type
font/woff2
access-control-allow-origin
*
cache-control
public, max-age=31536000
accept-ranges
bytes
timing-allow-origin
*
expires
Fri, 08 Mar 2024 05:05:33 GMT
EJRSQgYoZZY2vCFuvAnt66qSVys.woff2
fonts.gstatic.com/s/ptserif/v17/
29 KB
29 KB
Font
General
Full URL
https://fonts.gstatic.com/s/ptserif/v17/EJRSQgYoZZY2vCFuvAnt66qSVys.woff2
Requested by
Host: fonts.googleapis.com
URL: https://fonts.googleapis.com/css?family=PT+Serif:400,700,400italic,700italic|Open+Sans:400italic,700italic,400,700
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:801::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
7f9694a5641741d04e1c98eb1011059826aa5feb34e47d2b2f95bdb47cb0c2f5
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

Referer
https://fonts.googleapis.com/
Origin
https://musictheory.pugetsound.edu
accept-language
de-DE,de;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.5563.64 Safari/537.36

Response headers

date
Tue, 07 Mar 2023 18:20:28 GMT
x-content-type-options
nosniff
age
151037
content-security-policy-report-only
require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/apps-themes
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
29492
x-xss-protection
0
last-modified
Wed, 27 Apr 2022 16:29:15 GMT
server
sffe
cross-origin-opener-policy
same-origin; report-to="apps-themes"
report-to
{"group":"apps-themes","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/apps-themes"}]}
content-type
font/woff2
access-control-allow-origin
*
cache-control
public, max-age=31536000
accept-ranges
bytes
timing-allow-origin
*
expires
Wed, 06 Mar 2024 18:20:28 GMT
EJRVQgYoZZY2vCFuvAFWzr8.woff2
fonts.gstatic.com/s/ptserif/v17/
32 KB
32 KB
Font
General
Full URL
https://fonts.gstatic.com/s/ptserif/v17/EJRVQgYoZZY2vCFuvAFWzr8.woff2
Requested by
Host: fonts.googleapis.com
URL: https://fonts.googleapis.com/css?family=PT+Serif:400,700,400italic,700italic|Open+Sans:400italic,700italic,400,700
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:801::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
d355afb9705c3f8651f6a1f813b4670b758d59a17783830f534e7a8839c5b666
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

Referer
https://fonts.googleapis.com/
Origin
https://musictheory.pugetsound.edu
accept-language
de-DE,de;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.5563.64 Safari/537.36

Response headers

date
Thu, 09 Mar 2023 08:48:43 GMT
x-content-type-options
nosniff
age
12542
content-security-policy-report-only
require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/apps-themes
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
32900
x-xss-protection
0
last-modified
Wed, 27 Apr 2022 15:44:11 GMT
server
sffe
cross-origin-opener-policy
same-origin; report-to="apps-themes"
report-to
{"group":"apps-themes","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/apps-themes"}]}
content-type
font/woff2
access-control-allow-origin
*
cache-control
public, max-age=31536000
accept-ranges
bytes
timing-allow-origin
*
expires
Fri, 08 Mar 2024 08:48:43 GMT
analytics.js
www.google-analytics.com/
49 KB
20 KB
Script
General
Full URL
https://www.google-analytics.com/analytics.js
Requested by
Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtag/js?id=UA-166054952-1
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:810::200e Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Golfe2 /
Resource Hash
5971b095cff574a66d35ada016d4c077c86e2dea62e9c0f14cf7c94b258619de
Security Headers
Name Value
Strict-Transport-Security max-age=10886400; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://musictheory.pugetsound.edu/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.5563.64 Safari/537.36

Response headers

strict-transport-security
max-age=10886400; includeSubDomains; preload
content-encoding
gzip
x-content-type-options
nosniff
date
Thu, 09 Mar 2023 12:14:50 GMT
last-modified
Tue, 10 Jan 2023 21:29:14 GMT
server
Golfe2
age
175
vary
Accept-Encoding
content-type
text/javascript
cache-control
public, max-age=7200
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
20085
expires
Thu, 09 Mar 2023 14:14:50 GMT
MathJax_Zero.woff
cdn.jsdelivr.net/npm/mathjax@3/es5/output/chtml/fonts/woff-v2/
1 KB
2 KB
Font
General
Full URL
https://cdn.jsdelivr.net/npm/mathjax@3/es5/output/chtml/fonts/woff-v2/MathJax_Zero.woff
Requested by
Host: musictheory.pugetsound.edu
URL: https://musictheory.pugetsound.edu/mt21c/MusicTheory.html
Protocol
H3
Security
QUIC, , AES_256_GCM
Server
2a04:4e42::485 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
/
Resource Hash
481e39042508ae313a60618af1e37146ab93e9324c98e4c78b8f17fe55d41e0b
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

Referer
https://musictheory.pugetsound.edu/
Origin
https://musictheory.pugetsound.edu
accept-language
de-DE,de;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.5563.64 Safari/537.36

Response headers

strict-transport-security
max-age=31536000; includeSubDomains; preload
date
Thu, 09 Mar 2023 12:17:45 GMT
x-content-type-options
nosniff
age
30811
x-jsd-version
3.2.2
x-cache
HIT, HIT
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443";ma=86400,h3-29=":443";ma=86400,h3-27=":443";ma=86400
content-length
1368
x-served-by
cache-fra-eddf8230028-FRA, cache-hhn-etou8220034-HHN
x-jsd-version-type
version
etag
W/"558-ZxLPCqXBLtwcu8qKFzKpzeCFTEg"
vary
Accept-Encoding
content-type
font/woff
access-control-allow-origin
*
access-control-expose-headers
*
cache-control
public, max-age=604800, s-maxage=43200
accept-ranges
bytes
timing-allow-origin
*
MathJax_Main-Regular.woff
cdn.jsdelivr.net/npm/mathjax@3/es5/output/chtml/fonts/woff-v2/
33 KB
34 KB
Font
General
Full URL
https://cdn.jsdelivr.net/npm/mathjax@3/es5/output/chtml/fonts/woff-v2/MathJax_Main-Regular.woff
Requested by
Host: musictheory.pugetsound.edu
URL: https://musictheory.pugetsound.edu/mt21c/MusicTheory.html
Protocol
H3
Security
QUIC, , AES_256_GCM
Server
2a04:4e42::485 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
/
Resource Hash
1cb1c39ea642f26a4dfed230b4aea1c3c218689421f6e9c0a7c1811693c4fa07
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

Referer
https://musictheory.pugetsound.edu/
Origin
https://musictheory.pugetsound.edu
accept-language
de-DE,de;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.5563.64 Safari/537.36

Response headers

strict-transport-security
max-age=31536000; includeSubDomains; preload
date
Thu, 09 Mar 2023 12:17:45 GMT
x-content-type-options
nosniff
age
14217
x-jsd-version
3.2.2
x-cache
HIT, HIT
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443";ma=86400,h3-29=":443";ma=86400,h3-27=":443";ma=86400
content-length
34160
x-served-by
cache-fra-eddf8230119-FRA, cache-hhn-etou8220034-HHN
x-jsd-version-type
version
etag
W/"8570-idLI0nRpPFpuJQ6W4qLibiVhkHk"
vary
Accept-Encoding
content-type
font/woff
access-control-allow-origin
*
access-control-expose-headers
*
cache-control
public, max-age=604800, s-maxage=43200
accept-ranges
bytes
timing-allow-origin
*
MathJax_Math-Italic.woff
cdn.jsdelivr.net/npm/mathjax@3/es5/output/chtml/fonts/woff-v2/
19 KB
19 KB
Font
General
Full URL
https://cdn.jsdelivr.net/npm/mathjax@3/es5/output/chtml/fonts/woff-v2/MathJax_Math-Italic.woff
Requested by
Host: musictheory.pugetsound.edu
URL: https://musictheory.pugetsound.edu/mt21c/MusicTheory.html
Protocol
H3
Security
QUIC, , AES_256_GCM
Server
2a04:4e42::485 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
/
Resource Hash
a009bea404f7a500ded48f8b9ad9cf16e12504b3195dd9e25975289b8256b0f0
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

Referer
https://musictheory.pugetsound.edu/
Origin
https://musictheory.pugetsound.edu
accept-language
de-DE,de;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.5563.64 Safari/537.36

Response headers

strict-transport-security
max-age=31536000; includeSubDomains; preload
date
Thu, 09 Mar 2023 12:17:45 GMT
x-content-type-options
nosniff
age
28681
x-jsd-version
3.2.2
x-cache
HIT, HIT
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443";ma=86400,h3-29=":443";ma=86400,h3-27=":443";ma=86400
content-length
19360
x-served-by
cache-fra-eddf8230116-FRA, cache-hhn-etou8220034-HHN
x-jsd-version-type
version
etag
W/"4ba0-kaQCXdOxjKa9pjohWGl3NwVDUEE"
vary
Accept-Encoding
content-type
font/woff
access-control-allow-origin
*
access-control-expose-headers
*
cache-control
public, max-age=604800, s-maxage=43200
accept-ranges
bytes
timing-allow-origin
*
collect
www.google-analytics.com/j/
1 B
213 B
XHR
General
Full URL
https://www.google-analytics.com/j/collect?v=1&_v=j99&a=630058255&t=pageview&_s=1&dl=https%3A%2F%2Fmusictheory.pugetsound.edu%2Fmt21c%2FMusicTheory.html&ul=en-us&de=UTF-8&dt=Music%20Theory%20for%20the%2021st-Century%20Classroom&sd=24-bit&sr=1600x1200&vp=1600x1200&je=0&_u=YEBAAUABAAAAACAAI~&jid=1479322704&gjid=1107154808&cid=2107778115.1678364265&tid=UA-166054952-1&_gid=1605410566.1678364265&_r=1&gtm=457e3360&z=356355645
Requested by
Host: www.google-analytics.com
URL: https://www.google-analytics.com/analytics.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:810::200e Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Golfe2 /
Resource Hash
6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

Referer
https://musictheory.pugetsound.edu/
accept-language
de-DE,de;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.5563.64 Safari/537.36
Content-Type
text/plain

Response headers

pragma
no-cache
date
Thu, 09 Mar 2023 12:17:45 GMT
x-content-type-options
nosniff
last-modified
Sun, 17 May 1998 03:00:00 GMT
server
Golfe2
content-type
text/plain
access-control-allow-origin
https://musictheory.pugetsound.edu
cache-control
no-cache, no-store, must-revalidate
access-control-allow-credentials
true
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
1
expires
Fri, 01 Jan 1990 00:00:00 GMT

Verdicts & Comments Add Verdict or Comment

44 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.

boolean| credentialless object| MathJax function| $ function| jQuery string| minivers function| getScrollbarWidth function| permalinkDescription function| copyPermalink function| updateURLParameter function| WWiframeReseed function| process_workspace function| pretext_geogebra_calculator_onload function| loadResource function| scaleWorkspaceIn function| adjustWorkspace function| urlattribute number| knowl_id_counter object| knowl_focus_stack_uid object| knowl_focus_stack string| sagecellEvalName number| mjvers function| knowl_click_handler function| gtag object| dataLayer object| google_tag_manager object| google_tag_data string| GoogleAnalyticsObject function| ga function| GetArgumentMML object| gaplugins object| gaGlobal object| gaData object| offSET object| mathbook object| p_no_id object| items_needing_permalinks string| this_url string| permalink_word object| this_item string| this_permalink_url object| this_permalink_container object| all_iframes number| calcoffsetR number| calcoffsetB

3 Cookies

Domain/Path Name / Value
.pugetsound.edu/ Name: _ga
Value: GA1.2.2107778115.1678364265
.pugetsound.edu/ Name: _gid
Value: GA1.2.1605410566.1678364265
.pugetsound.edu/ Name: _gat_gtag_UA_166054952_1
Value: 1

1 Console Messages

Source Level URL
Text
network error URL: https://musictheory.pugetsound.edu/mt21c/developer.css
Message:
Failed to load resource: the server responded with a status of 404 (Not Found)

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.jsdelivr.net
fonts.googleapis.com
fonts.gstatic.com
musictheory.pugetsound.edu
pretextbook.org
www.google-analytics.com
www.googletagmanager.com
www.mathjax.org
207.207.126.61
2600:3c00::f03c:91ff:fee2:1e2e
2606:4700:20::ac43:48ac
2a00:1450:4001:801::2003
2a00:1450:4001:810::200e
2a00:1450:4001:811::2008
2a00:1450:400d:80d::200a
2a04:4e42::485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