Submitted URL: http://luminus.nus.edu.sg/
Effective URL: https://luminus.nus.edu.sg/
Submission: On December 05 via manual from IN — Scanned from DE

Summary

This website contacted 5 IPs in 3 countries across 5 domains to perform 21 HTTP transactions. The main IP is 137.132.7.240, located in Singapore, Singapore and belongs to NUS-AS-AP NUS Information Technology, SG. The main domain is luminus.nus.edu.sg.
TLS certificate: Issued by Entrust Certification Authority - L1K on December 8th 2021. Valid for: a year.
This is the only time luminus.nus.edu.sg was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
1 15 137.132.7.240 7472 (NUS-AS-AP...)
1 2a00:1450:400... 15169 (GOOGLE)
3 2606:4700::68... 13335 (CLOUDFLAR...)
2 2606:4700::68... 13335 (CLOUDFLAR...)
1 2a00:1450:400... 15169 (GOOGLE)
21 5
Apex Domain
Subdomains
Transfer
15 nus.edu.sg
luminus.nus.edu.sg
2 MB
3 cloudflare.com
cdnjs.cloudflare.com — Cisco Umbrella Rank: 242
74 KB
2 jsdelivr.net
cdn.jsdelivr.net — Cisco Umbrella Rank: 435
136 KB
1 gstatic.com
fonts.gstatic.com
44 KB
1 googleapis.com
fonts.googleapis.com — Cisco Umbrella Rank: 51
1 KB
21 5
Domain Requested by
15 luminus.nus.edu.sg 1 redirects luminus.nus.edu.sg
3 cdnjs.cloudflare.com luminus.nus.edu.sg
cdnjs.cloudflare.com
2 cdn.jsdelivr.net luminus.nus.edu.sg
1 fonts.gstatic.com fonts.googleapis.com
1 fonts.googleapis.com luminus.nus.edu.sg
21 5
Subject Issuer Validity Valid
*.nus.edu.sg
Entrust Certification Authority - L1K
2021-12-08 -
2022-12-08
a year crt.sh
upload.video.google.com
GTS CA 1C3
2022-11-02 -
2023-01-25
3 months crt.sh
sni.cloudflaressl.com
Cloudflare Inc ECC CA-3
2022-08-03 -
2023-08-02
a year crt.sh
*.gstatic.com
GTS CA 1C3
2022-11-02 -
2023-01-25
3 months crt.sh

This page contains 1 frames:

Primary Page: https://luminus.nus.edu.sg/
Frame ID: C7D669F22F748308E0B5BBC8ABAE44B9
Requests: 21 HTTP requests in this frame

Screenshot

Page Title

LumiNUS - National University of Singapore

Page URL History Show full URLs

  1. http://luminus.nus.edu.sg/ HTTP 302
    https://luminus.nus.edu.sg/ Page URL

Detected technologies

Overall confidence: 100%
Detected patterns
  • ([\d.]+)?/mathjax\.js

Overall confidence: 100%
Detected patterns
  • (?:F|f)o(?:n|r)t-?(?:A|a)wesome(?:.*?([0-9a-fA-F]{7,40}|[\d]+(?:.[\d]+(?:.[\d]+)?)?)|)

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

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

Page Statistics

21
Requests

100 %
HTTPS

80 %
IPv6

5
Domains

5
Subdomains

5
IPs

3
Countries

2520 kB
Transfer

12967 kB
Size

0
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. http://luminus.nus.edu.sg/ HTTP 302
    https://luminus.nus.edu.sg/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

21 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Primary Request /
luminus.nus.edu.sg/
Redirect Chain
  • http://luminus.nus.edu.sg/
  • https://luminus.nus.edu.sg/
8 KB
3 KB
Document
General
Full URL
https://luminus.nus.edu.sg/
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
137.132.7.240 Singapore, Singapore, ASN7472 (NUS-AS-AP NUS Information Technology, SG),
Reverse DNS
luminus.nus.edu.sg
Software
Microsoft-IIS/10.0 / ASP.NET
Resource Hash
3f5ac622beb90b0a88e3fade18ea08e54ccac52f02a7a0d80ab5a5382e3b2206
Security Headers
Name Value
X-Frame-Options SAMEORIGIN

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/108.0.5359.94 Safari/537.36
accept-language
de-DE,de;q=0.9

Response headers

Accept-Ranges
bytes
Cache-Control
public,max-age=31536000
Content-Encoding
gzip
Content-Length
2979
Content-Type
text/html
Date
Mon, 05 Dec 2022 12:29:30 GMT
ETag
"80ff308e62fcd81:0"
Last-Modified
Sat, 19 Nov 2022 22:02:03 GMT
Server
Microsoft-IIS/10.0
Vary
Accept-Encoding
X-Frame-Options
SAMEORIGIN
X-Powered-By
ASP.NET

Redirect headers

Connection
Keep-Alive
Content-Length
0
Location
https://luminus.nus.edu.sg/
Server
BigIP
css
fonts.googleapis.com/
8 KB
1 KB
Stylesheet
General
Full URL
https://fonts.googleapis.com/css?family=Open+Sans:300,400,600
Requested by
Host: luminus.nus.edu.sg
URL: https://luminus.nus.edu.sg/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:82b::200a Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
ESF /
Resource Hash
cfdcbbbafe5f910c243c4e87bbbc98934f1531814fd140f2bdff38ea5ab62ac7
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://luminus.nus.edu.sg/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/108.0.5359.94 Safari/537.36

Response headers

strict-transport-security
max-age=31536000
date
Mon, 05 Dec 2022 12:29:30 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,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43"
x-xss-protection
0
last-modified
Mon, 05 Dec 2022 12:13:14 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
Mon, 05 Dec 2022 12:29:30 GMT
katex.min.css
cdnjs.cloudflare.com/ajax/libs/KaTeX/0.11.0/
22 KB
3 KB
Stylesheet
General
Full URL
https://cdnjs.cloudflare.com/ajax/libs/KaTeX/0.11.0/katex.min.css
Requested by
Host: luminus.nus.edu.sg
URL: https://luminus.nus.edu.sg/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6811:180e , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
2a84920aedf55ec6d687c4c746de29bf185c6248f7b04c03c3f667204acdaf88
Security Headers
Name Value
Strict-Transport-Security max-age=15780000
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://luminus.nus.edu.sg/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/108.0.5359.94 Safari/537.36

Response headers

date
Mon, 05 Dec 2022 12:29:30 GMT
content-encoding
br
x-content-type-options
nosniff
cf-cache-status
HIT
nel
{"success_fraction":0.01,"report_to":"cf-nel","max_age":604800}
strict-transport-security
max-age=15780000
age
7447321
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
content-length
2534
last-modified
Mon, 04 May 2020 16:04:00 GMT
server
cloudflare
cf-cdnjs-via
cfworker/kv
etag
"5eb03cf0-5661"
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=dnvCmHUxmJMddlyyP2v1w0RRJALIdCgzqH4s0XE2nzQ8VKWB6ztEQ9E5K9%2FgtaxbxcozB%2FRamdUG9ciB7f%2BEuSK8rF%2F%2F1CzDOkqU3wDmXXCzZM1AFc8jdWlQNp%2BBkCucjDah1315M%2FeCPsYWMlEKbpPP"}],"group":"cf-nel","max_age":604800}
content-type
text/css; charset=utf-8
access-control-allow-origin
*
cache-control
public, max-age=30672000
accept-ranges
bytes
timing-allow-origin
*
cf-ray
774cc9ab8ab1bbdd-FRA
expires
Sat, 25 Nov 2023 12:29:30 GMT
styles.37ea1d4483eaf39c6860.css
luminus.nus.edu.sg/
322 KB
52 KB
Stylesheet
General
Full URL
https://luminus.nus.edu.sg/styles.37ea1d4483eaf39c6860.css
Requested by
Host: luminus.nus.edu.sg
URL: https://luminus.nus.edu.sg/
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
137.132.7.240 Singapore, Singapore, ASN7472 (NUS-AS-AP NUS Information Technology, SG),
Reverse DNS
luminus.nus.edu.sg
Software
Microsoft-IIS/10.0 / ASP.NET
Resource Hash
f7d6750b690900a0a5082217091665e930c570b79d35c40e5bc96d873940bd09
Security Headers
Name Value
X-Frame-Options SAMEORIGIN

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://luminus.nus.edu.sg/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/108.0.5359.94 Safari/537.36

Response headers

Date
Mon, 05 Dec 2022 12:29:30 GMT
Content-Encoding
gzip
Last-Modified
Sat, 19 Nov 2022 22:01:57 GMT
Server
Microsoft-IIS/10.0
ETag
"80789d8a62fcd81:0"
X-Powered-By
ASP.NET
Vary
Accept-Encoding
X-Frame-Options
SAMEORIGIN
Content-Type
text/css
Cache-Control
public,max-age=31536000
Accept-Ranges
bytes
Content-Length
53366
wscbundle.js
luminus.nus.edu.sg/spellcheck/wscbundle/
563 KB
140 KB
Script
General
Full URL
https://luminus.nus.edu.sg/spellcheck/wscbundle/wscbundle.js
Requested by
Host: luminus.nus.edu.sg
URL: https://luminus.nus.edu.sg/
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
137.132.7.240 Singapore, Singapore, ASN7472 (NUS-AS-AP NUS Information Technology, SG),
Reverse DNS
luminus.nus.edu.sg
Software
Microsoft-IIS/10.0 / ASP.NET
Resource Hash
fad3edf0ac60af811b3ea21cf2d18a749d5c9e7f9feed0b8a4a407f8a6375902
Security Headers
Name Value
Strict-Transport-Security max-age=16070400; includeSubDomains
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://luminus.nus.edu.sg/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/108.0.5359.94 Safari/537.36

Response headers

Strict-Transport-Security
max-age=16070400; includeSubDomains
Content-Encoding
gzip
X-Content-Type-Options
nosniff
Date
Mon, 05 Dec 2022 12:29:31 GMT
X-Powered-By
ASP.NET
Content-Length
142640
X-XSS-Protection
1; mode=block
Last-Modified
Thu, 29 Apr 2021 23:46:32 GMT
Server
Microsoft-IIS/10.0
ETag
"0bcc2e1513dd71:0"
Vary
Accept-Encoding
X-Frame-Options
SAMEORIGIN
Content-Type
application/javascript; charset=utf-8
Access-Control-Allow-Origin
*
Cache-Control
public,max-age=31536000
Accept-Ranges
bytes
runtime.175c82d275c9ff2e4bf5.js
luminus.nus.edu.sg/
12 KB
5 KB
Script
General
Full URL
https://luminus.nus.edu.sg/runtime.175c82d275c9ff2e4bf5.js
Requested by
Host: luminus.nus.edu.sg
URL: https://luminus.nus.edu.sg/
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
137.132.7.240 Singapore, Singapore, ASN7472 (NUS-AS-AP NUS Information Technology, SG),
Reverse DNS
luminus.nus.edu.sg
Software
Microsoft-IIS/10.0 / ASP.NET
Resource Hash
36c7ae30127e3d9eb15961bac979f7c1728b6349c8115c57ac9d6fc1a4879979
Security Headers
Name Value
X-Frame-Options SAMEORIGIN

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://luminus.nus.edu.sg/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/108.0.5359.94 Safari/537.36

Response headers

Date
Mon, 05 Dec 2022 12:29:30 GMT
Content-Encoding
gzip
Last-Modified
Sat, 19 Nov 2022 22:01:57 GMT
Server
Microsoft-IIS/10.0
ETag
"80789d8a62fcd81:0"
X-Powered-By
ASP.NET
Vary
Accept-Encoding
X-Frame-Options
SAMEORIGIN
Content-Type
application/javascript
Cache-Control
public,max-age=31536000
Accept-Ranges
bytes
Content-Length
4387
polyfills.178ea879ba8d186428ea.js
luminus.nus.edu.sg/
732 KB
110 KB
Script
General
Full URL
https://luminus.nus.edu.sg/polyfills.178ea879ba8d186428ea.js
Requested by
Host: luminus.nus.edu.sg
URL: https://luminus.nus.edu.sg/
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
137.132.7.240 Singapore, Singapore, ASN7472 (NUS-AS-AP NUS Information Technology, SG),
Reverse DNS
luminus.nus.edu.sg
Software
Microsoft-IIS/10.0 / ASP.NET
Resource Hash
ef6897a6d1590cfcaf22c31156d867612c5694b7ae387e87edbde53873c0741c
Security Headers
Name Value
X-Frame-Options SAMEORIGIN

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://luminus.nus.edu.sg/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/108.0.5359.94 Safari/537.36

Response headers

Date
Mon, 05 Dec 2022 12:29:30 GMT
Content-Encoding
gzip
Last-Modified
Sat, 19 Nov 2022 22:01:57 GMT
Server
Microsoft-IIS/10.0
ETag
"80789d8a62fcd81:0"
X-Powered-By
ASP.NET
Vary
Accept-Encoding
X-Frame-Options
SAMEORIGIN
Content-Type
application/javascript
Cache-Control
public,max-age=31536000
Accept-Ranges
bytes
Content-Length
111834
scripts.c0e54282ee0d2346fca6.js
luminus.nus.edu.sg/
27 KB
9 KB
Script
General
Full URL
https://luminus.nus.edu.sg/scripts.c0e54282ee0d2346fca6.js
Requested by
Host: luminus.nus.edu.sg
URL: https://luminus.nus.edu.sg/
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
137.132.7.240 Singapore, Singapore, ASN7472 (NUS-AS-AP NUS Information Technology, SG),
Reverse DNS
luminus.nus.edu.sg
Software
Microsoft-IIS/10.0 / ASP.NET
Resource Hash
3b2e1019762ee966f186760dba62169e4ba28faa0b3d0f3d4fb01de091e250ad
Security Headers
Name Value
X-Frame-Options SAMEORIGIN

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://luminus.nus.edu.sg/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/108.0.5359.94 Safari/537.36

Response headers

Date
Mon, 05 Dec 2022 12:29:30 GMT
Content-Encoding
gzip
Last-Modified
Sat, 19 Nov 2022 22:01:57 GMT
Server
Microsoft-IIS/10.0
ETag
"80789d8a62fcd81:0"
X-Powered-By
ASP.NET
Vary
Accept-Encoding
X-Frame-Options
SAMEORIGIN
Content-Type
application/javascript
Cache-Control
public,max-age=31536000
Accept-Ranges
bytes
Content-Length
8612
vendor.a6a28268b59ab63f972d.js
luminus.nus.edu.sg/
8 MB
2 MB
Script
General
Full URL
https://luminus.nus.edu.sg/vendor.a6a28268b59ab63f972d.js
Requested by
Host: luminus.nus.edu.sg
URL: https://luminus.nus.edu.sg/
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
137.132.7.240 Singapore, Singapore, ASN7472 (NUS-AS-AP NUS Information Technology, SG),
Reverse DNS
luminus.nus.edu.sg
Software
Microsoft-IIS/10.0 / ASP.NET
Resource Hash
Security Headers
Name Value
X-Frame-Options SAMEORIGIN

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://luminus.nus.edu.sg/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/108.0.5359.94 Safari/537.36

Response headers

Date
Mon, 05 Dec 2022 12:29:30 GMT
Content-Encoding
gzip
Last-Modified
Sat, 19 Nov 2022 22:01:57 GMT
Server
Microsoft-IIS/10.0
ETag
"80789d8a62fcd81:0"
X-Powered-By
ASP.NET
Vary
Accept-Encoding
X-Frame-Options
SAMEORIGIN
Content-Type
application/javascript
Cache-Control
public,max-age=31536000
Accept-Ranges
bytes
Content-Length
1617150
main.09a835d055fb0ae67e8e.js
luminus.nus.edu.sg/
1 MB
192 KB
Script
General
Full URL
https://luminus.nus.edu.sg/main.09a835d055fb0ae67e8e.js
Requested by
Host: luminus.nus.edu.sg
URL: https://luminus.nus.edu.sg/
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
137.132.7.240 Singapore, Singapore, ASN7472 (NUS-AS-AP NUS Information Technology, SG),
Reverse DNS
luminus.nus.edu.sg
Software
Microsoft-IIS/10.0 / ASP.NET
Resource Hash
f080e1ace308f139ead1dd5d9c42737cbd57b8144165c5cae092542f6100dd06
Security Headers
Name Value
X-Frame-Options SAMEORIGIN

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://luminus.nus.edu.sg/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/108.0.5359.94 Safari/537.36

Response headers

Date
Mon, 05 Dec 2022 12:29:30 GMT
Content-Encoding
gzip
Last-Modified
Sat, 19 Nov 2022 22:01:57 GMT
Server
Microsoft-IIS/10.0
ETag
"80789d8a62fcd81:0"
X-Powered-By
ASP.NET
Vary
Accept-Encoding
X-Frame-Options
SAMEORIGIN
Content-Type
application/javascript
Cache-Control
public,max-age=31536000
Accept-Ranges
bytes
Content-Length
195801
auto-render.mjs
cdn.jsdelivr.net/npm/katex@0.12.0/dist/contrib/
6 KB
3 KB
Script
General
Full URL
https://cdn.jsdelivr.net/npm/katex@0.12.0/dist/contrib/auto-render.mjs
Requested by
Host: luminus.nus.edu.sg
URL: https://luminus.nus.edu.sg/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:5914 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
89dfea6cc71f502ad13a8eefbf598e05e0ebdd9d7e0cec657800e6fd823b085e
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

Referer
https://luminus.nus.edu.sg/
Origin
https://luminus.nus.edu.sg
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/108.0.5359.94 Safari/537.36

Response headers

date
Mon, 05 Dec 2022 12:29:30 GMT
strict-transport-security
max-age=31536000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
nel
{"success_fraction":0.01,"report_to":"cf-nel","max_age":604800}
age
98187
x-jsd-version
0.12.0
content-encoding
br
x-cache
HIT, MISS
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
x-served-by
cache-fra19125-FRA, cache-cdg20744-CDG
x-jsd-version-type
version
server
cloudflare
etag
W/"1959-BjRXmL8P/5iP5kdKRPF7IhfiEw8"
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=PRXh9WpRTaHON8s5D6SNVl6yguwmRhk6xez%2BsPzwnkUH2zw%2BZPemRxVX%2BZdtg%2Fn6A9DkxKKMiNpx53Ur3C8wZZkN5yPDexwMB1RcpYkJ%2B0aJaSg3dRncpU6UkUQ754qD9XrTRBeSEWF9zyz1DJc%3D"}],"group":"cf-nel","max_age":604800}
content-type
application/javascript; charset=utf-8
access-control-allow-origin
*
access-control-expose-headers
*
cache-control
public, max-age=31536000, s-maxage=31536000, immutable
timing-allow-origin
*
cf-ray
774cc9aba8399180-FRA
katex.mjs
cdn.jsdelivr.net/npm/katex@0.12.0/dist/
547 KB
133 KB
Script
General
Full URL
https://cdn.jsdelivr.net/npm/katex@0.12.0/dist/katex.mjs
Requested by
Host: luminus.nus.edu.sg
URL: https://luminus.nus.edu.sg/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:5914 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
20e3f33381d697ee9493830da411c75dfc06394f1a5205acf4c4483b666aa5c6
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

Referer
https://cdn.jsdelivr.net/npm/katex@0.12.0/dist/contrib/auto-render.mjs
Origin
https://luminus.nus.edu.sg
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/108.0.5359.94 Safari/537.36

Response headers

date
Mon, 05 Dec 2022 12:29:30 GMT
strict-transport-security
max-age=31536000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
nel
{"success_fraction":0.01,"report_to":"cf-nel","max_age":604800}
fastly-original-body-size
136869
age
76138
x-jsd-version
0.12.0
content-encoding
br
x-cache
HIT, MISS
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
x-served-by
cache-fra19130-FRA, cache-itm18830-ITM
x-jsd-version-type
version
server
cloudflare
etag
W/"88a6b-nU77XzE/vo4TzWqPBYaLPsJQM8A"
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=rOUldrF0d7eW9P8oUGN6d1yCgf45js8tNQm80BparoS3xTsotPS9ofrfmn4XftMU8asGCOUAex5xh747euPj5MU0S1mWRQACHWEoHNaRwpUp1l4wZ6UgxS46Fm0Lfp74KaD8Je0gQ47Y1VpjgPc%3D"}],"group":"cf-nel","max_age":604800}
content-type
application/javascript; charset=utf-8
access-control-allow-origin
*
access-control-expose-headers
*
cache-control
public, max-age=31536000, s-maxage=31536000, immutable
timing-allow-origin
*
cf-ray
774cc9abc87c9180-FRA
MathJax.js
cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/
62 KB
17 KB
Script
General
Full URL
https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/MathJax.js?config=TeX-AMS_HTML
Requested by
Host: luminus.nus.edu.sg
URL: https://luminus.nus.edu.sg/vendor.a6a28268b59ab63f972d.js
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700::6811:180e , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
9ef249bfdc162849bcf2abe8425f5e90bd89fa4fd1588b1a492731c65b2bbfc9
Security Headers
Name Value
Strict-Transport-Security max-age=15780000
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://luminus.nus.edu.sg/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/108.0.5359.94 Safari/537.36

Response headers

date
Mon, 05 Dec 2022 12:29:34 GMT
content-encoding
br
x-content-type-options
nosniff
cf-cache-status
HIT
nel
{"success_fraction":0.01,"report_to":"cf-nel","max_age":604800}
strict-transport-security
max-age=15780000
age
1698148
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
content-length
17026
last-modified
Mon, 04 May 2020 16:13:14 GMT
server
cloudflare
cf-cdnjs-via
cfworker/kv
etag
"5eb03f1a-f82c"
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=kP9EAo5kbWe2wmp6xh471q1JUkLH4RDOWeWUUnwMXEB9lfz0NqD53VAOlY%2FgdRsnUeGQl5v9moqNwgQ%2F9DcP9SKPhl%2BwU5gD%2Fzy5n34Cb3EYDSyI3pnDStxXIgE%2B7RFsNuUsF6gDAB4ytuPUeivPm1jQ"}],"group":"cf-nel","max_age":604800}
content-type
application/javascript; charset=utf-8
access-control-allow-origin
*
cache-control
public, max-age=30672000
accept-ranges
bytes
timing-allow-origin
*
cf-ray
774cc9c25da75c85-FRA
expires
Sat, 25 Nov 2023 12:29:34 GMT
5.bc1715046921b0269592.js
luminus.nus.edu.sg/
19 KB
2 KB
Script
General
Full URL
https://luminus.nus.edu.sg/5.bc1715046921b0269592.js
Requested by
Host: luminus.nus.edu.sg
URL: https://luminus.nus.edu.sg/runtime.175c82d275c9ff2e4bf5.js
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
137.132.7.240 Singapore, Singapore, ASN7472 (NUS-AS-AP NUS Information Technology, SG),
Reverse DNS
luminus.nus.edu.sg
Software
Microsoft-IIS/10.0 / ASP.NET
Resource Hash
4b6da6aad719f07435caf58390f81135c022a05141f4d8f3e3e40651171c100e
Security Headers
Name Value
X-Frame-Options SAMEORIGIN

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://luminus.nus.edu.sg/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/108.0.5359.94 Safari/537.36

Response headers

Date
Mon, 05 Dec 2022 12:29:34 GMT
Content-Encoding
gzip
Last-Modified
Sat, 19 Nov 2022 22:01:56 GMT
Server
Microsoft-IIS/10.0
ETag
"0e248a62fcd81:0"
X-Powered-By
ASP.NET
Vary
Accept-Encoding
X-Frame-Options
SAMEORIGIN
Content-Type
application/javascript
Cache-Control
public,max-age=31536000
Accept-Ranges
bytes
Content-Length
2160
49.273cd8700f739bca41dd.js
luminus.nus.edu.sg/
98 KB
15 KB
Script
General
Full URL
https://luminus.nus.edu.sg/49.273cd8700f739bca41dd.js
Requested by
Host: luminus.nus.edu.sg
URL: https://luminus.nus.edu.sg/runtime.175c82d275c9ff2e4bf5.js
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
137.132.7.240 Singapore, Singapore, ASN7472 (NUS-AS-AP NUS Information Technology, SG),
Reverse DNS
luminus.nus.edu.sg
Software
Microsoft-IIS/10.0 / ASP.NET
Resource Hash
9ba2e4d47ca58ada51f471a2efa7c72de3f62a73acb30af10ee4ee83cf0b8896
Security Headers
Name Value
X-Frame-Options SAMEORIGIN

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://luminus.nus.edu.sg/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/108.0.5359.94 Safari/537.36

Response headers

Date
Mon, 05 Dec 2022 12:29:34 GMT
Content-Encoding
gzip
Last-Modified
Sat, 19 Nov 2022 22:01:57 GMT
Server
Microsoft-IIS/10.0
ETag
"80789d8a62fcd81:0"
X-Powered-By
ASP.NET
Vary
Accept-Encoding
X-Frame-Options
SAMEORIGIN
Content-Type
application/javascript
Cache-Control
public,max-age=31536000
Accept-Ranges
bytes
Content-Length
14662
68.3266b4832cfa039d5929.js
luminus.nus.edu.sg/
150 KB
19 KB
Script
General
Full URL
https://luminus.nus.edu.sg/68.3266b4832cfa039d5929.js
Requested by
Host: luminus.nus.edu.sg
URL: https://luminus.nus.edu.sg/runtime.175c82d275c9ff2e4bf5.js
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
137.132.7.240 Singapore, Singapore, ASN7472 (NUS-AS-AP NUS Information Technology, SG),
Reverse DNS
luminus.nus.edu.sg
Software
Microsoft-IIS/10.0 / ASP.NET
Resource Hash
1a3f0b2665a7bb56183ac79f90c91a5898d9c671b0433ac43ef8c4755b5f4ea5
Security Headers
Name Value
X-Frame-Options SAMEORIGIN

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://luminus.nus.edu.sg/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/108.0.5359.94 Safari/537.36

Response headers

Date
Mon, 05 Dec 2022 12:29:34 GMT
Content-Encoding
gzip
Last-Modified
Sat, 19 Nov 2022 22:01:57 GMT
Server
Microsoft-IIS/10.0
ETag
"80789d8a62fcd81:0"
X-Powered-By
ASP.NET
Vary
Accept-Encoding
X-Frame-Options
SAMEORIGIN
Content-Type
application/javascript
Cache-Control
public,max-age=31536000
Accept-Ranges
bytes
Content-Length
18796
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:300,400,600
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:827::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://luminus.nus.edu.sg
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/108.0.5359.94 Safari/537.36

Response headers

date
Mon, 28 Nov 2022 18:50:24 GMT
x-content-type-options
nosniff
age
581950
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,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43"
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
Tue, 28 Nov 2023 18:50:24 GMT
TeX-AMS_HTML.js
cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/config/
217 KB
54 KB
Script
General
Full URL
https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/config/TeX-AMS_HTML.js?V=2.7.5
Requested by
Host: cdnjs.cloudflare.com
URL: https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/MathJax.js?config=TeX-AMS_HTML
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700::6811:180e , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
16d00bee2705886fa335704b7d382fbc5e486776f6e1e0bc479f5f0f93165075
Security Headers
Name Value
Strict-Transport-Security max-age=15780000
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://luminus.nus.edu.sg/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/108.0.5359.94 Safari/537.36

Response headers

date
Mon, 05 Dec 2022 12:29:34 GMT
content-encoding
br
x-content-type-options
nosniff
cf-cache-status
HIT
nel
{"success_fraction":0.01,"report_to":"cf-nel","max_age":604800}
strict-transport-security
max-age=15780000
age
279682
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
content-length
54391
last-modified
Mon, 04 May 2020 16:13:14 GMT
server
cloudflare
cf-cdnjs-via
cfworker/kv
etag
"5eb03f1a-362a4"
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=9R7cMtd9GjJTECOmAD7cLnxdeLbfdeki%2F65J33GHGyjC%2B0WK3Ecss215KVEEKHjEWAGcXyTILv%2FM1AJmMXrcIqfPQerAtwdDtFUrg6LWTXXQbGNmk%2F1LCoH8OL%2FI2vdxKd00wHPZraf39q%2F1v0BU1Lfy"}],"group":"cf-nel","max_age":604800}
content-type
application/javascript; charset=utf-8
access-control-allow-origin
*
cache-control
public, max-age=30672000
accept-ranges
bytes
timing-allow-origin
*
cf-ray
774cc9c29e1f5c85-FRA
expires
Sat, 25 Nov 2023 12:29:34 GMT
Homepage
luminus.nus.edu.sg/v2/api/news/News/
12 KB
12 KB
XHR
General
Full URL
https://luminus.nus.edu.sg/v2/api/news/News/Homepage?sortby=startDate%20DESC
Requested by
Host: luminus.nus.edu.sg
URL: https://luminus.nus.edu.sg/polyfills.178ea879ba8d186428ea.js
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
137.132.7.240 Singapore, Singapore, ASN7472 (NUS-AS-AP NUS Information Technology, SG),
Reverse DNS
luminus.nus.edu.sg
Software
Microsoft-IIS/10.0 / ASP.NET
Resource Hash
7d2cf5394703936b364c41ff67396f022919d779e4d662281b15619b4f5af2cb

Request headers

Accept
application/json, text/plain, */*
Referer
https://luminus.nus.edu.sg/
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/108.0.5359.94 Safari/537.36

Response headers

Content-Type
application/json; charset=utf-8
Date
Mon, 05 Dec 2022 12:29:34 GMT
Cache-Control
public,max-age=3600
Server
Microsoft-IIS/10.0
X-Powered-By
ASP.NET
Content-Length
11934
Request-Context
appId=cid-v1:39c1440f-8bb9-4f84-8e1a-9632485a2390
luminus-logo-homepage.a442697994f7a9f8d50d.png
luminus.nus.edu.sg/
50 KB
51 KB
Image
General
Full URL
https://luminus.nus.edu.sg/luminus-logo-homepage.a442697994f7a9f8d50d.png
Requested by
Host: luminus.nus.edu.sg
URL: https://luminus.nus.edu.sg/
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
137.132.7.240 Singapore, Singapore, ASN7472 (NUS-AS-AP NUS Information Technology, SG),
Reverse DNS
luminus.nus.edu.sg
Software
Microsoft-IIS/10.0 / ASP.NET
Resource Hash
dead540a7623331bdf561773bef8c50849523fc7a5287f0c00b9361c05a7ebd0
Security Headers
Name Value
X-Frame-Options SAMEORIGIN

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://luminus.nus.edu.sg/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/108.0.5359.94 Safari/537.36

Response headers

Date
Mon, 05 Dec 2022 12:29:34 GMT
Last-Modified
Sat, 19 Nov 2022 22:01:56 GMT
Server
Microsoft-IIS/10.0
ETag
"a5bf5a8a62fcd81:0"
X-Powered-By
ASP.NET
X-Frame-Options
SAMEORIGIN
Content-Type
image/png
Cache-Control
public,max-age=31536000
Accept-Ranges
bytes
Content-Length
51485
fontawesome-webfont.af7ae505a9eed503f8b8.woff2
luminus.nus.edu.sg/
75 KB
76 KB
Font
General
Full URL
https://luminus.nus.edu.sg/fontawesome-webfont.af7ae505a9eed503f8b8.woff2?v=4.7.0
Requested by
Host: luminus.nus.edu.sg
URL: https://luminus.nus.edu.sg/styles.37ea1d4483eaf39c6860.css
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
137.132.7.240 Singapore, Singapore, ASN7472 (NUS-AS-AP NUS Information Technology, SG),
Reverse DNS
luminus.nus.edu.sg
Software
Microsoft-IIS/10.0 / ASP.NET
Resource Hash
2adefcbc041e7d18fcf2d417879dc5a09997aa64d675b7a3c4b6ce33da13f3fe
Security Headers
Name Value
X-Frame-Options SAMEORIGIN

Request headers

Referer
https://luminus.nus.edu.sg/styles.37ea1d4483eaf39c6860.css
Origin
https://luminus.nus.edu.sg
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/108.0.5359.94 Safari/537.36

Response headers

Date
Mon, 05 Dec 2022 12:29:34 GMT
Last-Modified
Sat, 19 Nov 2022 22:01:56 GMT
Server
Microsoft-IIS/10.0
ETag
"c1ac478a62fcd81:0"
X-Powered-By
ASP.NET
X-Frame-Options
SAMEORIGIN
Content-Type
application/font-woff2
Cache-Control
public,max-age=31536000
Accept-Ranges
bytes
Content-Length
77160

Verdicts & Comments Add Verdict or Comment

177 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| oncontentvisibilityautostatechange object| WEBSPELLCHECKER_CONFIG function| _possibleConstructorReturn function| _inherits function| _classCallCheck function| _get function| _createClass function| _typeof object| WEBSPELLCHECKER undefined| jquip undefined| $ number| _jquid function| SCAYT object| webpackJsonp function| Zone function| __zone_symbol__Promise function| __zone_symbol__ZoneAwarePromise function| __zone_symbol__fetch function| __zone_symbol__legacyPatch function| __zone_symbol__setTimeout function| __zone_symbol__clearTimeout function| __zone_symbol__setInterval function| __zone_symbol__clearInterval function| __zone_symbol__requestAnimationFrame function| __zone_symbol__cancelAnimationFrame function| __zone_symbol__webkitRequestAnimationFrame function| __zone_symbol__webkitCancelAnimationFrame function| __zone_symbol__alert function| __zone_symbol__prompt function| __zone_symbol__confirm function| __zone_symbol__MutationObserver function| __zone_symbol__WebKitMutationObserver function| __zone_symbol__IntersectionObserver function| __zone_symbol__FileReader boolean| __zone_symbol__ononabortpatched boolean| __zone_symbol__ononanimationendpatched boolean| __zone_symbol__ononanimationiterationpatched boolean| __zone_symbol__ononauxclickpatched boolean| __zone_symbol__ononbeforeinputpatched boolean| __zone_symbol__ononblurpatched boolean| __zone_symbol__ononcancelpatched boolean| __zone_symbol__ononcanplaypatched boolean| __zone_symbol__ononcanplaythroughpatched boolean| __zone_symbol__ononchangepatched boolean| __zone_symbol__ononcuechangepatched boolean| __zone_symbol__ononclickpatched boolean| __zone_symbol__ononclosepatched boolean| __zone_symbol__ononcontextmenupatched boolean| __zone_symbol__onondblclickpatched boolean| __zone_symbol__onondragpatched boolean| __zone_symbol__onondragendpatched boolean| __zone_symbol__onondragenterpatched boolean| __zone_symbol__onondragleavepatched boolean| __zone_symbol__onondragoverpatched boolean| __zone_symbol__onondroppatched boolean| __zone_symbol__onondurationchangepatched boolean| __zone_symbol__ononemptiedpatched boolean| __zone_symbol__ononendedpatched boolean| __zone_symbol__ononerrorpatched boolean| __zone_symbol__ononfocuspatched boolean| __zone_symbol__onongotpointercapturepatched boolean| __zone_symbol__ononinputpatched boolean| __zone_symbol__ononinvalidpatched boolean| __zone_symbol__ononkeydownpatched boolean| __zone_symbol__ononkeypresspatched boolean| __zone_symbol__ononkeyuppatched boolean| __zone_symbol__ononloadpatched boolean| __zone_symbol__ononloadstartpatched boolean| __zone_symbol__ononloadeddatapatched boolean| __zone_symbol__ononloadedmetadatapatched boolean| __zone_symbol__ononlostpointercapturepatched boolean| __zone_symbol__ononmousedownpatched boolean| __zone_symbol__ononmouseenterpatched boolean| __zone_symbol__ononmouseleavepatched boolean| __zone_symbol__ononmousemovepatched boolean| __zone_symbol__ononmouseoutpatched boolean| __zone_symbol__ononmouseoverpatched boolean| __zone_symbol__ononmouseuppatched boolean| __zone_symbol__ononmousewheelpatched boolean| __zone_symbol__ononpausepatched boolean| __zone_symbol__ononplaypatched boolean| __zone_symbol__ononplayingpatched boolean| __zone_symbol__ononpointercancelpatched boolean| __zone_symbol__ononpointerdownpatched boolean| __zone_symbol__ononpointerenterpatched boolean| __zone_symbol__ononpointerleavepatched boolean| __zone_symbol__ononpointermovepatched boolean| __zone_symbol__ononpointeroverpatched boolean| __zone_symbol__ononpointeruppatched boolean| __zone_symbol__ononprogresspatched boolean| __zone_symbol__ononratechangepatched boolean| __zone_symbol__ononresetpatched boolean| __zone_symbol__ononresizepatched boolean| __zone_symbol__ononscrollpatched boolean| __zone_symbol__ononseekedpatched boolean| __zone_symbol__ononseekingpatched boolean| __zone_symbol__ononselectpatched 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undefined| __zone_symbol__eventListeners undefined| __zone_symbol__removeAllListeners function| eventListeners function| removeAllListeners

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