Submitted URL: https://carboncast.org/
Effective URL: https://lass.cs.umass.edu/
Submission: On August 19 via api from BE — Scanned from NL

Summary

This website contacted 2 IPs in 3 countries across 3 domains to perform 11 HTTP transactions. The main IP is 128.119.245.5, located in Springfield, United States and belongs to FIVE-COLLEGES-AS, US. The main domain is lass.cs.umass.edu.
TLS certificate: Issued by InCommon RSA Server CA 2 on May 17th 2024. Valid for: a year.
This is the only time lass.cs.umass.edu was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
1 1 188.114.96.3 13335 (CLOUDFLAR...)
8 128.119.245.5 1249 (FIVE-COLL...)
3 104.18.11.207 13335 (CLOUDFLAR...)
11 2
Apex Domain
Subdomains
Transfer
8 umass.edu
lass.cs.umass.edu
1 MB
3 bootstrapcdn.com
maxcdn.bootstrapcdn.com — Cisco Umbrella Rank: 1832
106 KB
1 carboncast.org
carboncast.org
464 B
11 3
Domain Requested by
8 lass.cs.umass.edu lass.cs.umass.edu
3 maxcdn.bootstrapcdn.com lass.cs.umass.edu
maxcdn.bootstrapcdn.com
1 carboncast.org 1 redirects
11 3
Subject Issuer Validity Valid
none.cs.umass.edu
InCommon RSA Server CA 2
2024-05-17 -
2025-06-17
a year crt.sh
bootstrapcdn.com
WE1
2024-07-23 -
2024-10-21
3 months crt.sh

This page contains 1 frames:

Primary Page: https://lass.cs.umass.edu/
Frame ID: 550E54E6EDDD01BEAC9AAF8486ADE5B2
Requests: 11 HTTP requests in this frame

Screenshot

Page Title

LASS: Laboratory for Advanced System Software: Home

Page URL History Show full URLs

  1. https://carboncast.org/ HTTP 301
    https://lass.cs.umass.edu/ Page URL

Detected technologies

Overall confidence: 100%
Detected patterns
  • <link[^>]* href=[^>]*?bootstrap(?:[^>]*?([0-9a-fA-F]{7,40}|[\d]+(?:.[\d]+(?:.[\d]+)?)?)|)[^>]*?(?:\.min)?\.css
  • bootstrap(?:[^>]*?([0-9a-fA-F]{7,40}|[\d]+(?:.[\d]+(?:.[\d]+)?)?)|)[^>]*?(?:\.min)?\.js

Overall confidence: 100%
Detected patterns
  • <link[^>]* href=[^>]+(?:([\d.]+)/)?(?:css/)?font-awesome(?:\.min)?\.css
  • <link[^>]* href=[^>]*?(?:F|f)o(?:n|r)t-?(?:A|a)wesome(?:[^>]*?([0-9a-fA-F]{7,40}|[\d]+(?:.[\d]+(?:.[\d]+)?)?)|)
  • (?:F|f)o(?:n|r)t-?(?:A|a)wesome(?:.*?([0-9a-fA-F]{7,40}|[\d]+(?:.[\d]+(?:.[\d]+)?)?)|)

Page Statistics

11
Requests

100 %
HTTPS

0 %
IPv6

3
Domains

3
Subdomains

2
IPs

3
Countries

1571 kB
Transfer

1693 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. https://carboncast.org/ HTTP 301
    https://lass.cs.umass.edu/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

11 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Primary Request /
lass.cs.umass.edu/
Redirect Chain
  • https://carboncast.org/
  • https://lass.cs.umass.edu/
123 KB
123 KB
Document
General
Full URL
https://lass.cs.umass.edu/
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_256_GCM
Server
128.119.245.5 Springfield, United States, ASN1249 (FIVE-COLLEGES-AS, US),
Reverse DNS
none.cs.umass.edu
Software
Apache/2.4.37 (AlmaLinux) /
Resource Hash
51f10dd6c55615526509883c29bad13e79845b9a68ad6091c278cd51ed143379

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

Accept-Ranges
bytes
Connection
Keep-Alive
Content-Length
125632
Content-Type
text/html; charset=UTF-8
Date
Mon, 19 Aug 2024 04:16:41 GMT
ETag
"1eac0-6199b3c20c633"
Keep-Alive
timeout=5, max=100
Last-Modified
Wed, 29 May 2024 17:39:39 GMT
Server
Apache/2.4.37 (AlmaLinux)

Redirect headers

alt-svc
h3=":443"; ma=86400
cf-cache-status
DYNAMIC
cf-ray
8b57545f692f18e6-FRA
content-type
text/html; charset=iso-8859-1
date
Mon, 19 Aug 2024 04:16:41 GMT
location
https://lass.cs.umass.edu/
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=2mRqGWogi5L4oaSX1anx9bzA%2B3Cq5yIbS%2BGklhx2ojRBHBSxQa%2FsUg6O4PcggHepJxCQsHPYGsdD%2FrDxBvx4zpwMecwTmoCLl5zagDvA8u6OqRvTdpWLUUqyDNyPzxG4nA%3D%3D"}],"group":"cf-nel","max_age":604800}
server
cloudflare
bootstrap.min.css
maxcdn.bootstrapcdn.com/bootstrap/4.0.0-beta.2/css/
124 KB
23 KB
Stylesheet
General
Full URL
https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-beta.2/css/bootstrap.min.css
Requested by
Host: lass.cs.umass.edu
URL: https://lass.cs.umass.edu/
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
104.18.11.207 -, , ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
414caa66bb79bc88c1ba6a2a415d2333c0a01aab1c15f74684dfa7542a97d2f7
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

Referer
https://lass.cs.umass.edu/
Origin
https://lass.cs.umass.edu
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

date
Mon, 19 Aug 2024 04:16:41 GMT
content-encoding
br
x-content-type-options
nosniff
cf-cache-status
HIT
cdn-edgestorageid
860
strict-transport-security
max-age=31536000; includeSubDomains; preload
age
203496
cdn-cachedat
03/18/2024 13:09:34
cdn-pullzone
252412
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=86400
last-modified
Mon, 25 Jan 2021 22:04:03 GMT
cdn-proxyver
1.04
cdn-requestpullcode
200
server
cloudflare
etag
W/"95df726a7936892cf645a57c1ccf3b75"
vary
Accept-Encoding
content-type
text/css; charset=utf-8
access-control-allow-origin
*
cdn-cache
HIT
cdn-uid
b1941f61-b576-4f40-80de-5677acb38f74
cache-control
public, max-age=31919000
cdn-requestid
bff101b950a4157903070ff354094944
timing-allow-origin
*
cdn-requestcountrycode
DE
cdn-status
200
cf-ray
8b5754663bd83723-FRA
cdn-requestpullsuccess
True
font-awesome.min.css
maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/
30 KB
8 KB
Stylesheet
General
Full URL
https://maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css
Requested by
Host: lass.cs.umass.edu
URL: https://lass.cs.umass.edu/
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
104.18.11.207 -, , ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
799aeb25cc0373fdee0e1b1db7ad6c2f6a0e058dfadaa3379689f583213190bd
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

Referer
https://lass.cs.umass.edu/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

date
Mon, 19 Aug 2024 04:16:41 GMT
content-encoding
br
x-content-type-options
nosniff
cf-cache-status
HIT
cdn-edgestorageid
1078
strict-transport-security
max-age=31536000; includeSubDomains; preload
age
9173738
cdn-cachedat
03/18/2024 12:28:12
cdn-pullzone
252412
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=86400
last-modified
Mon, 25 Jan 2021 22:04:55 GMT
cdn-proxyver
1.04
cdn-requestpullcode
200
server
cloudflare
etag
W/"269550530cc127b6aa5a35925a7de6ce"
vary
Accept-Encoding
content-type
text/css; charset=utf-8
access-control-allow-origin
*
cdn-cache
HIT
cdn-uid
b1941f61-b576-4f40-80de-5677acb38f74
cache-control
public, max-age=31919000
cdn-requestid
7a1c9dbc32c16186eedda7c8c11c4540
timing-allow-origin
*
cdn-requestcountrycode
DE
cdn-status
200
cf-ray
8b5754663a989106-FRA
cdn-requestpullsuccess
True
group.css
lass.cs.umass.edu/css/
21 KB
21 KB
Stylesheet
General
Full URL
https://lass.cs.umass.edu/css/group.css
Requested by
Host: lass.cs.umass.edu
URL: https://lass.cs.umass.edu/
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_256_GCM
Server
128.119.245.5 Springfield, United States, ASN1249 (FIVE-COLLEGES-AS, US),
Reverse DNS
none.cs.umass.edu
Software
Apache/2.4.37 (AlmaLinux) /
Resource Hash
c1b15f4a1b868f54574ac91ff62a90c3ed52da87722a83420eecbc82562f7bf2

Request headers

Referer
https://lass.cs.umass.edu/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

Date
Mon, 19 Aug 2024 04:16:42 GMT
Last-Modified
Wed, 29 May 2024 17:39:39 GMT
Server
Apache/2.4.37 (AlmaLinux)
ETag
"5340-6199b3c233f03"
Content-Type
text/css
Connection
Keep-Alive
Accept-Ranges
bytes
Keep-Alive
timeout=5, max=100
Content-Length
21312
logo.png
lass.cs.umass.edu/img/
33 KB
33 KB
Image
General
Full URL
https://lass.cs.umass.edu/img/logo.png
Requested by
Host: lass.cs.umass.edu
URL: https://lass.cs.umass.edu/
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_256_GCM
Server
128.119.245.5 Springfield, United States, ASN1249 (FIVE-COLLEGES-AS, US),
Reverse DNS
none.cs.umass.edu
Software
Apache/2.4.37 (AlmaLinux) /
Resource Hash
596c29ddcd1a5d7d5e6a401bd7ea922a12fea9b60ac5ca258123d24ead649f58

Request headers

Referer
https://lass.cs.umass.edu/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

Date
Mon, 19 Aug 2024 04:16:42 GMT
Last-Modified
Tue, 03 Oct 2023 15:38:43 GMT
Server
Apache/2.4.37 (AlmaLinux)
ETag
"84d4-606d1af90572f"
Content-Type
image/png
Connection
Keep-Alive
Accept-Ranges
bytes
Keep-Alive
timeout=5, max=100
Content-Length
34004
srcset-polyfill.js
lass.cs.umass.edu/js/
2 KB
2 KB
Script
General
Full URL
https://lass.cs.umass.edu/js/srcset-polyfill.js
Requested by
Host: lass.cs.umass.edu
URL: https://lass.cs.umass.edu/
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_256_GCM
Server
128.119.245.5 Springfield, United States, ASN1249 (FIVE-COLLEGES-AS, US),
Reverse DNS
none.cs.umass.edu
Software
Apache/2.4.37 (AlmaLinux) /
Resource Hash
e44f2f61ca12fb46b847f80513fa0a6f296453b04a4512276afca8bb8b772dcb

Request headers

Referer
https://lass.cs.umass.edu/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

Date
Mon, 19 Aug 2024 04:16:42 GMT
Last-Modified
Sat, 28 Jan 2023 14:57:01 GMT
Server
Apache/2.4.37 (AlmaLinux)
ETag
"689-5f35431bfa940"
Content-Type
application/javascript
Connection
Keep-Alive
Accept-Ranges
bytes
Keep-Alive
timeout=5, max=99
Content-Length
1673
LASS_2023.jpg
lass.cs.umass.edu/img/carousels/
373 KB
373 KB
Image
General
Full URL
https://lass.cs.umass.edu/img/carousels/LASS_2023.jpg
Requested by
Host: lass.cs.umass.edu
URL: https://lass.cs.umass.edu/
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_256_GCM
Server
128.119.245.5 Springfield, United States, ASN1249 (FIVE-COLLEGES-AS, US),
Reverse DNS
none.cs.umass.edu
Software
Apache/2.4.37 (AlmaLinux) /
Resource Hash
48c683aac3b7fb788503e096d718907621e4a353a2713b75a06907ec02e7b4fb

Request headers

Referer
https://lass.cs.umass.edu/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

Date
Mon, 19 Aug 2024 04:16:42 GMT
Last-Modified
Fri, 15 Mar 2024 22:10:53 GMT
Server
Apache/2.4.37 (AlmaLinux)
ETag
"5d36b-613ba47ff6501"
Content-Type
image/jpeg
Connection
Keep-Alive
Accept-Ranges
bytes
Keep-Alive
timeout=5, max=99
Content-Length
381803
massnz.jpeg
lass.cs.umass.edu/img/carousels/
835 KB
835 KB
Image
General
Full URL
https://lass.cs.umass.edu/img/carousels/massnz.jpeg
Requested by
Host: lass.cs.umass.edu
URL: https://lass.cs.umass.edu/
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_256_GCM
Server
128.119.245.5 Springfield, United States, ASN1249 (FIVE-COLLEGES-AS, US),
Reverse DNS
none.cs.umass.edu
Software
Apache/2.4.37 (AlmaLinux) /
Resource Hash
528e4b3048ad1e2dc3807a80102ab7d7892f2a06c13d4f421f8ab46697cd71a3

Request headers

Referer
https://lass.cs.umass.edu/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

Date
Mon, 19 Aug 2024 04:16:42 GMT
Last-Modified
Tue, 03 Oct 2023 15:38:43 GMT
Server
Apache/2.4.37 (AlmaLinux)
ETag
"d0b00-606d1af8f93df"
Content-Type
image/jpeg
Connection
Keep-Alive
Accept-Ranges
bytes
Keep-Alive
timeout=5, max=99
Content-Length
854784
a_03.jpeg
lass.cs.umass.edu/img/carousels/
60 KB
60 KB
Image
General
Full URL
https://lass.cs.umass.edu/img/carousels/a_03.jpeg
Requested by
Host: lass.cs.umass.edu
URL: https://lass.cs.umass.edu/
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_256_GCM
Server
128.119.245.5 Springfield, United States, ASN1249 (FIVE-COLLEGES-AS, US),
Reverse DNS
none.cs.umass.edu
Software
Apache/2.4.37 (AlmaLinux) /
Resource Hash
e36cb746f9982a595ecc805c28479fec4365b7ad316e004dc6e0cbb6dc73c10a

Request headers

Referer
https://lass.cs.umass.edu/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

Date
Mon, 19 Aug 2024 04:16:42 GMT
Last-Modified
Tue, 03 Oct 2023 15:38:43 GMT
Server
Apache/2.4.37 (AlmaLinux)
ETag
"f025-606d1af8fde17"
Content-Type
image/jpeg
Connection
Keep-Alive
Accept-Ranges
bytes
Keep-Alive
timeout=5, max=98
Content-Length
61477
fontawesome-webfont.woff2
maxcdn.bootstrapcdn.com/font-awesome/4.7.0/fonts/
75 KB
76 KB
Font
General
Full URL
https://maxcdn.bootstrapcdn.com/font-awesome/4.7.0/fonts/fontawesome-webfont.woff2?v=4.7.0
Requested by
Host: maxcdn.bootstrapcdn.com
URL: https://maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
104.18.11.207 -, , ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
2adefcbc041e7d18fcf2d417879dc5a09997aa64d675b7a3c4b6ce33da13f3fe
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

Referer
https://maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css
Origin
https://lass.cs.umass.edu
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

date
Mon, 19 Aug 2024 04:16:42 GMT
strict-transport-security
max-age=31536000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
cdn-edgestorageid
752
age
71995
cdn-cachedat
10/31/2023 19:08:24
cdn-pullzone
252412
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=86400
content-length
77160
last-modified
Mon, 25 Jan 2021 22:04:55 GMT
cdn-proxyver
1.04
cdn-requestpullcode
200
server
cloudflare
etag
"af7ae505a9eed503f8b8e6982036873e"
vary
Accept-Encoding
content-type
font/woff2
access-control-allow-origin
*
cdn-cache
HIT
cdn-uid
b1941f61-b576-4f40-80de-5677acb38f74
cache-control
public, max-age=31919000
cdn-requestid
e829adb4199fd81f22a3949ef69e3e70
accept-ranges
bytes
timing-allow-origin
*
cdn-requestcountrycode
DE
cdn-status
200
cf-ray
8b575468dd8d3723-FRA
cdn-requestpullsuccess
True
favicon.ico
lass.cs.umass.edu/
17 KB
17 KB
Other
General
Full URL
https://lass.cs.umass.edu/favicon.ico
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_256_GCM
Server
128.119.245.5 Springfield, United States, ASN1249 (FIVE-COLLEGES-AS, US),
Reverse DNS
none.cs.umass.edu
Software
Apache/2.4.37 (AlmaLinux) /
Resource Hash
bd2b84d7865477a14887e9169cd10c2cc59394c9d77f7c91d8ca1f3a12aab144

Request headers

Referer
https://lass.cs.umass.edu/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

Date
Mon, 19 Aug 2024 04:16:42 GMT
Last-Modified
Wed, 29 May 2024 17:39:39 GMT
Server
Apache/2.4.37 (AlmaLinux)
ETag
"423e-6199b3c20b693"
Content-Type
image/vnd.microsoft.icon
Connection
Keep-Alive
Accept-Ranges
bytes
Keep-Alive
timeout=5, max=98
Content-Length
16958

Verdicts & Comments Add Verdict or Comment

1 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.

function| isVisible

0 Cookies