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chandra.harvard.edu Open in urlscan Pro
131.142.198.52  Public Scan

Go To Rescan Add Verdict Report
Submitted URL: http://chandra.harvard.edu//xray_sources//blackholes.html
Effective URL: https://chandra.harvard.edu//xray_sources//blackholes.html
Submission: On July 02 via api from US — Scanned from DE
 Behaviour Indicators
Similar DOM Content API
Verdicts

Summary

This website contacted 5 IPs in 2 countries across 5 domains to perform 32 HTTP transactions. The main IP is 131.142.198.52, located in Cambridge, United States and belongs to HARVARD-UNIV, US. The main domain is chandra.harvard.edu.
TLS certificate: Issued by InCommon RSA Server CA 2 on April 12th 2024. Valid for: a year.
This is the only time chandra.harvard.edu was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
26 131.142.198.52 1742 (HARVARD-UNIV)
2 2a00:1450:400... 15169 (GOOGLE)
1 3 160.111.252.9 25829 (SMITHSONIAN)
1 2a00:1450:400... 15169 (GOOGLE)
1 2001:4860:480... 15169 (GOOGLE)
32 5
26    131.142.198.52 (Cambridge, United States)

ASN1742 (HARVARD-UNIV, US)
PTR: chandra.cfa.harvard.edu
chandra.harvard.edu
chandra.si.edu
2    2a00:1450:4001:828::200e (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
www.google-analytics.com
3    160.111.252.9 (United States)

ASN25829 (SMITHSONIAN, US)
PTR: logs4.smithsonian.museum
logs1.smithsonian.museum
1    2a00:1450:4001:827::2008 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
www.googletagmanager.com
1    2001:4860:4802:34::36 (United States)

ASN15169 (GOOGLE, US)
region1.google-analytics.com
Apex Domain
Subdomains		 Transfer
25 harvard.edu
chandra.harvard.edu
1 MB
3 smithsonian.museum
logs1.smithsonian.museum — Cisco Umbrella Rank: 110199
2 KB
3 google-analytics.com
www.google-analytics.com — Cisco Umbrella Rank: 71
region1.google-analytics.com — Cisco Umbrella Rank: 2355
21 KB
1 googletagmanager.com
www.googletagmanager.com — Cisco Umbrella Rank: 81
91 KB
1 si.edu
chandra.si.edu
36 KB
32 5
Domain Requested by
25 chandra.harvard.edu chandra.harvard.edu
3 logs1.smithsonian.museum 1 redirects chandra.harvard.edu
2 www.google-analytics.com chandra.harvard.edu
www.google-analytics.com
1 region1.google-analytics.com www.googletagmanager.com
1 www.googletagmanager.com www.google-analytics.com
1 chandra.si.edu chandra.harvard.edu
32 6

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

Domain
www.nasa.gov
get.adobe.com
www.si.edu
Subject Issuer Validity Valid
chandra.harvard.edu
InCommon RSA Server CA 2		 2024-04-12 -
2025-04-12		 a year crt.sh
chandra.si.edu
InCommon RSA Server CA		 2023-07-19 -
2024-08-18		 a year crt.sh
*.google-analytics.com
WR2		 2024-06-13 -
2024-09-05		 3 months crt.sh
webservices.volcano.si.edu
Entrust Certification Authority - L1K		 2023-10-31 -
2024-11-28		 a year crt.sh

This page contains 1 frames:

Primary Page: https://chandra.harvard.edu//xray_sources//blackholes.html
Frame ID: 016169E460E3F7A96293A0BDA6BF0EBE
Requests: 32 HTTP requests in this frame

Screenshot
Live screenshot
Full Image

Page Title

Chandra :: Field Guide to X-ray Sources :: Black Holes

Page URL History Show full URLs

  1. http://chandra.harvard.edu//xray_sources//blackholes.html HTTP 307
    https://chandra.harvard.edu//xray_sources//blackholes.html Page URL

Detected technologies

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

Page Statistics

32
Requests

97 %
HTTPS

60 %
IPv6

5
Domains

6
Subdomains

5
IPs

2
Countries

1223 kB
Transfer

1412 kB
Size

7
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://chandra.harvard.edu//xray_sources//blackholes.html HTTP 307
    https://chandra.harvard.edu//xray_sources//blackholes.html Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

Request Chain 29
  • https://logs1.smithsonian.museum/dcsx49imdadzpxzz2hqgi3i9h_5i4g/dcs.gif?&dcsdat=1719948582076&dcssip=chandra.harvard.edu&dcsuri=//xray_sources//blackholes.html&WT.tz=2&WT.bh=21&WT.ul=de-DE&WT.cd=24&WT.sr=1600x1200&WT.jo=No&WT.ti=Chandra%20::%20Field%20Guide%20to%20X-ray%20Sources%20::%20Black%20Holes&WT.js=Yes&WT.jv=1.5&WT.ct=unknown&WT.bs=1600x1200&WT.fv=Not%20enabled&WT.slv=Not%20enabled&WT.tv=9.4.0&WT.dl=0&WT.ssl=1&WT.es=chandra.harvard.edu//xray_sources//blackholes.html&WT.vt_f_tlv=0&WT.vt_f_tlh=0&WT.vt_f_d=1&WT.vt_f_s=1&WT.vt_f_a=1&WT.vt_f=1&WT.vtvs=1719948582077&WT.vtid=80.255.7.108-803094880.31116470&WT.co_f=80.255.7.108-803094880.31116470 HTTP 303
  • https://logs1.smithsonian.museum/dcsx49imdadzpxzz2hqgi3i9h_5i4g/dcs.gif?dcsredirect=1&dcsdat=1719948582076&dcssip=chandra.harvard.edu&dcsuri=//xray_sources//blackholes.html&WT.tz=2&WT.bh=21&WT.ul=de-DE&WT.cd=24&WT.sr=1600x1200&WT.jo=No&WT.ti=Chandra%20::%20Field%20Guide%20to%20X-ray%20Sources%20::%20Black%20Holes&WT.js=Yes&WT.jv=1.5&WT.ct=unknown&WT.bs=1600x1200&WT.fv=Not%20enabled&WT.slv=Not%20enabled&WT.tv=9.4.0&WT.dl=0&WT.ssl=1&WT.es=chandra.harvard.edu//xray_sources//blackholes.html&WT.vt_f_tlv=0&WT.vt_f_tlh=0&WT.vt_f_d=1&WT.vt_f_s=1&WT.vt_f_a=1&WT.vt_f=1&WT.vtvs=1719948582077&WT.vtid=80.255.7.108-803094880.31116470&WT.co_f=80.255.7.108-803094880.31116470

32 HTTP transactions

Resource
Path		 Size
x-fer		 Type
MIME-Type
Primary Request blackholes.html
chandra.harvard.edu//xray_sources//
Redirect Chain
  • http://chandra.harvard.edu//xray_sources//blackholes.html
  • https://chandra.harvard.edu//xray_sources//blackholes.html
19 KB
19 KB 		Document
General
Check archive.org
Download Go to
Full URL
https://chandra.harvard.edu//xray_sources//blackholes.html
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
131.142.198.52 Cambridge, United States, ASN1742 (HARVARD-UNIV, US),
Reverse DNS
chandra.cfa.harvard.edu
Software
Apache /
Resource Hash
46ac2816627ae471dab46ced39e543d8880a2fe2e8f18ceb594df6ae5615b06b

Request headers

Accept-Language
de-DE,de;q=0.9;q=0.9
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Response headers

content-type
text/html; charset=UTF-8
date
Tue, 02 Jul 2024 19:29:40 GMT
server
Apache

Redirect headers

Location
https://chandra.harvard.edu//xray_sources//blackholes.html
Non-Authoritative-Reason
HttpsUpgrades
show_hide.js
chandra.harvard.edu/incl/scripts/ 		9 KB
9 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://chandra.harvard.edu/incl/scripts/show_hide.js
Requested by
Host: chandra.harvard.edu
URL: https://chandra.harvard.edu//xray_sources//blackholes.html
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
131.142.198.52 Cambridge, United States, ASN1742 (HARVARD-UNIV, US),
Reverse DNS
chandra.cfa.harvard.edu
Software
Apache /
Resource Hash
4db2ab86da1b060a3639b77de254b20cc178a56a1585593f831c98650c33704e

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://chandra.harvard.edu//xray_sources//blackholes.html
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 02 Jul 2024 19:29:40 GMT
last-modified
Wed, 15 Feb 2023 18:08:10 GMT
server
Apache
accept-ranges
bytes
etag
"22b2-5f4c0f688fab3"
content-length
8882
content-type
application/javascript
cxcpub_ws.css
chandra.harvard.edu/incl/css/ 		45 KB
45 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://chandra.harvard.edu/incl/css/cxcpub_ws.css
Requested by
Host: chandra.harvard.edu
URL: https://chandra.harvard.edu//xray_sources//blackholes.html
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
131.142.198.52 Cambridge, United States, ASN1742 (HARVARD-UNIV, US),
Reverse DNS
chandra.cfa.harvard.edu
Software
Apache /
Resource Hash
6f9fc4c8090e14af0446a6583191a07c5fd448fcb9061a32ee01946c6ae40005

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://chandra.harvard.edu//xray_sources//blackholes.html
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 02 Jul 2024 19:29:40 GMT
last-modified
Sun, 24 Apr 2022 22:31:33 GMT
server
Apache
accept-ranges
bytes
etag
"b42a-5dd6e0599ec5d"
content-length
46122
content-type
text/css
chandra_head.gif
chandra.harvard.edu/graphics/top/wsn/ 		335 B
470 B 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://chandra.harvard.edu/graphics/top/wsn/chandra_head.gif
Requested by
Host: chandra.harvard.edu
URL: https://chandra.harvard.edu//xray_sources//blackholes.html
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
131.142.198.52 Cambridge, United States, ASN1742 (HARVARD-UNIV, US),
Reverse DNS
chandra.cfa.harvard.edu
Software
lighttpd/1.4.67 /
Resource Hash
dbc0d81f0db89ffe915c207e239e3e9ae5610bdbacb9216954a235da251efae9

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://chandra.harvard.edu//xray_sources//blackholes.html
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 02 Jul 2024 19:29:39 GMT
last-modified
Wed, 16 May 2012 15:08:41 GMT
server
lighttpd/1.4.67
accept-ranges
bytes
etag
"3132574637"
content-length
335
content-type
image/gif
nasa_logo.png
chandra.harvard.edu/graphics/top/wsn/ 		9 KB
9 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://chandra.harvard.edu/graphics/top/wsn/nasa_logo.png
Requested by
Host: chandra.harvard.edu
URL: https://chandra.harvard.edu//xray_sources//blackholes.html
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
131.142.198.52 Cambridge, United States, ASN1742 (HARVARD-UNIV, US),
Reverse DNS
chandra.cfa.harvard.edu
Software
lighttpd/1.4.67 /
Resource Hash
7bac1f8240c13bffe2d6091348cc1d93872544e9bc17424cb70e228e0d242c4b

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://chandra.harvard.edu//xray_sources//blackholes.html
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 02 Jul 2024 19:29:40 GMT
last-modified
Thu, 01 Dec 2011 01:17:39 GMT
server
lighttpd/1.4.67
accept-ranges
bytes
etag
"84172191"
content-length
9390
content-type
image/png
search_button_mag.jpg
chandra.harvard.edu/graphics/ 		14 KB
14 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://chandra.harvard.edu/graphics/search_button_mag.jpg
Requested by
Host: chandra.harvard.edu
URL: https://chandra.harvard.edu//xray_sources//blackholes.html
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
131.142.198.52 Cambridge, United States, ASN1742 (HARVARD-UNIV, US),
Reverse DNS
chandra.cfa.harvard.edu
Software
lighttpd/1.4.67 /
Resource Hash
80ca9778818b20ad8221e02cf6ca62d14cc4c9510a3dc49cfd97810eba0d32dc

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://chandra.harvard.edu//xray_sources//blackholes.html
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 02 Jul 2024 19:29:39 GMT
last-modified
Sun, 26 Feb 2017 17:55:22 GMT
server
lighttpd/1.4.67
accept-ranges
bytes
etag
"2733858826"
content-length
14150
content-type
image/jpeg
bh_illus_thm115.png
chandra.si.edu/blackhole/images/ 		36 KB
36 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://chandra.si.edu/blackhole/images/bh_illus_thm115.png
Requested by
Host: chandra.harvard.edu
URL: https://chandra.harvard.edu//xray_sources//blackholes.html
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
131.142.198.52 Cambridge, United States, ASN1742 (HARVARD-UNIV, US),
Reverse DNS
chandra.cfa.harvard.edu
Software
lighttpd/1.4.67 /
Resource Hash
7c0e2833e56d38deb6a398b4f171a2aa906d59e6c12d0772a716162a35870df6

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://chandra.harvard.edu/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 02 Jul 2024 19:29:40 GMT
last-modified
Mon, 15 Apr 2019 13:50:48 GMT
server
lighttpd/1.4.67
etag
"2350585019"
content-type
image/png
cache-control
private
accept-ranges
bytes
content-length
37086
cygx399_xray_thm75.jpg
chandra.harvard.edu/graphics/xray_sources/ 		4 KB
4 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://chandra.harvard.edu/graphics/xray_sources/cygx399_xray_thm75.jpg
Requested by
Host: chandra.harvard.edu
URL: https://chandra.harvard.edu//xray_sources//blackholes.html
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
131.142.198.52 Cambridge, United States, ASN1742 (HARVARD-UNIV, US),
Reverse DNS
chandra.cfa.harvard.edu
Software
lighttpd/1.4.67 /
Resource Hash
5d5e184ce772e52aef92b9122bb74194893e8f6e8137fcab16c12a33bc16090e

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://chandra.harvard.edu//xray_sources//blackholes.html
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 02 Jul 2024 19:29:40 GMT
last-modified
Fri, 09 May 2008 10:59:21 GMT
server
lighttpd/1.4.67
accept-ranges
bytes
etag
"1282061295"
content-length
4310
content-type
image/jpeg
m82bh_thm.jpg
chandra.harvard.edu/photo/2000/m82bh/ 		7 KB
7 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://chandra.harvard.edu/photo/2000/m82bh/m82bh_thm.jpg
Requested by
Host: chandra.harvard.edu
URL: https://chandra.harvard.edu//xray_sources//blackholes.html
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
131.142.198.52 Cambridge, United States, ASN1742 (HARVARD-UNIV, US),
Reverse DNS
chandra.cfa.harvard.edu
Software
lighttpd/1.4.67 /
Resource Hash
f3c76d0da34bcd86b38a084a069c9047bba5d9f388d48243187ac1a604672176

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://chandra.harvard.edu//xray_sources//blackholes.html
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 02 Jul 2024 19:29:40 GMT
last-modified
Tue, 27 May 2008 18:26:19 GMT
server
lighttpd/1.4.67
accept-ranges
bytes
etag
"106855640"
content-length
7158
content-type
image/jpeg
0203long_xray_thm.jpg
chandra.harvard.edu/photo/2003/0203long/ 		2 KB
2 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://chandra.harvard.edu/photo/2003/0203long/0203long_xray_thm.jpg
Requested by
Host: chandra.harvard.edu
URL: https://chandra.harvard.edu//xray_sources//blackholes.html
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
131.142.198.52 Cambridge, United States, ASN1742 (HARVARD-UNIV, US),
Reverse DNS
chandra.cfa.harvard.edu
Software
lighttpd/1.4.67 /
Resource Hash
d462b15b3f65fc0936ce5513ba2900f8b1f948d452f8af53afd6bf8275c54ce6

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://chandra.harvard.edu//xray_sources//blackholes.html
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 02 Jul 2024 19:29:40 GMT
last-modified
Mon, 24 Mar 2008 18:22:40 GMT
server
lighttpd/1.4.67
accept-ranges
bytes
etag
"2867940779"
content-length
2080
content-type
image/jpeg
bh_infograph_thm.jpg
chandra.harvard.edu/graphics/resources/illustrations/ 		26 KB
26 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://chandra.harvard.edu/graphics/resources/illustrations/bh_infograph_thm.jpg
Requested by
Host: chandra.harvard.edu
URL: https://chandra.harvard.edu//xray_sources//blackholes.html
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
131.142.198.52 Cambridge, United States, ASN1742 (HARVARD-UNIV, US),
Reverse DNS
chandra.cfa.harvard.edu
Software
lighttpd/1.4.67 /
Resource Hash
cf49e5f02175e6bad7c0a261f68457286d524ca6743d21d15f1da9143944766d

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://chandra.harvard.edu//xray_sources//blackholes.html
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 02 Jul 2024 19:29:40 GMT
last-modified
Mon, 08 Apr 2013 18:28:19 GMT
server
lighttpd/1.4.67
accept-ranges
bytes
etag
"141224495"
content-length
26683
content-type
image/jpeg
icon.wd.xml.gif
chandra.harvard.edu/graphics/top/ 		119 B
253 B 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://chandra.harvard.edu/graphics/top/icon.wd.xml.gif
Requested by
Host: chandra.harvard.edu
URL: https://chandra.harvard.edu//xray_sources//blackholes.html
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
131.142.198.52 Cambridge, United States, ASN1742 (HARVARD-UNIV, US),
Reverse DNS
chandra.cfa.harvard.edu
Software
lighttpd/1.4.67 /
Resource Hash
0ee9c7d170704a2c6bc87a58ec1982ecc70fc8ec746b6e3a8dde66657298d414

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://chandra.harvard.edu//xray_sources//blackholes.html
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 02 Jul 2024 19:29:40 GMT
last-modified
Sat, 29 Mar 2008 17:49:09 GMT
server
lighttpd/1.4.67
accept-ranges
bytes
etag
"799046073"
content-length
119
content-type
image/gif
icon.wd.pod.gif
chandra.harvard.edu/graphics/top/ 		119 B
253 B 		Image
General
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https://chandra.harvard.edu/graphics/top/icon.wd.pod.gif
Requested by
Host: chandra.harvard.edu
URL: https://chandra.harvard.edu//xray_sources//blackholes.html
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
131.142.198.52 Cambridge, United States, ASN1742 (HARVARD-UNIV, US),
Reverse DNS
chandra.cfa.harvard.edu
Software
lighttpd/1.4.67 /
Resource Hash
a887eb8e1f52d49528a28fce450024ae700110cb84018d28332c661eb10208d7

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://chandra.harvard.edu//xray_sources//blackholes.html
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 02 Jul 2024 19:29:40 GMT
last-modified
Sat, 29 Mar 2008 17:49:09 GMT
server
lighttpd/1.4.67
accept-ranges
bytes
etag
"530610617"
content-length
119
content-type
image/gif
logos.gif
chandra.harvard.edu/graphics/pub/ 		5 KB
5 KB 		Image
General
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https://chandra.harvard.edu/graphics/pub/logos.gif
Requested by
Host: chandra.harvard.edu
URL: https://chandra.harvard.edu//xray_sources//blackholes.html
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
131.142.198.52 Cambridge, United States, ASN1742 (HARVARD-UNIV, US),
Reverse DNS
chandra.cfa.harvard.edu
Software
lighttpd/1.4.67 /
Resource Hash
c23c708eb1300c022c1cff3074f5a31140f0ab5a7c92fde55a163d62a692fa8e

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://chandra.harvard.edu//xray_sources//blackholes.html
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 02 Jul 2024 19:29:40 GMT
last-modified
Wed, 16 Jul 2003 20:26:44 GMT
server
lighttpd/1.4.67
accept-ranges
bytes
etag
"1783397711"
content-length
4738
content-type
image/gif
webtrends.js
chandra.harvard.edu/incl/scripts/ 		20 KB
20 KB 		Script
General
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https://chandra.harvard.edu/incl/scripts/webtrends.js
Requested by
Host: chandra.harvard.edu
URL: https://chandra.harvard.edu//xray_sources//blackholes.html
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
131.142.198.52 Cambridge, United States, ASN1742 (HARVARD-UNIV, US),
Reverse DNS
chandra.cfa.harvard.edu
Software
Apache /
Resource Hash
a733bcdc4688336bccea4c8495a7c504d4d49cd1d40ce0fa2bfbeb539f1c85f6

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://chandra.harvard.edu//xray_sources//blackholes.html
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 02 Jul 2024 19:29:40 GMT
last-modified
Tue, 30 Oct 2012 15:27:43 GMT
server
Apache
accept-ranges
bytes
etag
"4f96-4cd486d66b470"
content-length
20374
content-type
application/javascript
large.css
chandra.harvard.edu/incl/css/ 		3 KB
4 KB 		Stylesheet
General
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https://chandra.harvard.edu/incl/css/large.css
Requested by
Host: chandra.harvard.edu
URL: https://chandra.harvard.edu//xray_sources//blackholes.html
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
131.142.198.52 Cambridge, United States, ASN1742 (HARVARD-UNIV, US),
Reverse DNS
chandra.cfa.harvard.edu
Software
Apache /
Resource Hash
3de1d4a5f88c2e7b21776cae821f010f1f47bbace9df50302156106aa87bdcb1

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://chandra.harvard.edu//xray_sources//blackholes.html
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 02 Jul 2024 19:29:40 GMT
last-modified
Mon, 27 Oct 2008 15:07:59 GMT
server
Apache
accept-ranges
bytes
etag
"dfe-45a3d7f1fa18e"
content-length
3582
content-type
text/css
larger.css
chandra.harvard.edu/incl/css/ 		3 KB
4 KB 		Stylesheet
General
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https://chandra.harvard.edu/incl/css/larger.css
Requested by
Host: chandra.harvard.edu
URL: https://chandra.harvard.edu//xray_sources//blackholes.html
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
131.142.198.52 Cambridge, United States, ASN1742 (HARVARD-UNIV, US),
Reverse DNS
chandra.cfa.harvard.edu
Software
Apache /
Resource Hash
2b336c1fe500d609c2a6c681c99932d31dc8385ab4725b62dbb550a0659e572f

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://chandra.harvard.edu//xray_sources//blackholes.html
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 02 Jul 2024 19:29:41 GMT
last-modified
Mon, 27 Oct 2008 15:08:11 GMT
server
Apache
accept-ranges
bytes
etag
"dfe-45a3d7fdcf85c"
content-length
3582
content-type
text/css
cxcpub_print.css
chandra.harvard.edu/incl/css/ 		4 KB
4 KB 		Stylesheet
General
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https://chandra.harvard.edu/incl/css/cxcpub_print.css
Requested by
Host: chandra.harvard.edu
URL: https://chandra.harvard.edu//xray_sources//blackholes.html
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
131.142.198.52 Cambridge, United States, ASN1742 (HARVARD-UNIV, US),
Reverse DNS
chandra.cfa.harvard.edu
Software
Apache /
Resource Hash
f6578ce7cf6dbc2dc7e7011365af479e8b02ebf538df0273f8ee28445facf06d

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://chandra.harvard.edu//xray_sources//blackholes.html
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 02 Jul 2024 19:29:41 GMT
last-modified
Fri, 30 Apr 2021 13:21:30 GMT
server
Apache
accept-ranges
bytes
etag
"f27-5c1307d739d22"
content-length
3879
content-type
text/css
analytics.js
www.google-analytics.com/ 		52 KB
21 KB 		Script
General
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https://www.google-analytics.com/analytics.js
Requested by
Host: chandra.harvard.edu
URL: https://chandra.harvard.edu//xray_sources//blackholes.html
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:828::200e Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Golfe2 /
Resource Hash
de36e50194320a7d3ef1ace9bd34a875a8bd458b253c061979dd628e9bf49afd
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://chandra.harvard.edu/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

strict-transport-security
max-age=31536000; includeSubDomains; preload
content-encoding
gzip
x-content-type-options
nosniff
date
Tue, 02 Jul 2024 18:29:07 GMT
last-modified
Tue, 12 Dec 2023 18:09:08 GMT
server
Golfe2
age
3634
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
20994
expires
Tue, 02 Jul 2024 20:29:07 GMT
minus_blue.jpg
chandra.harvard.edu/graphics/top/wsn/ 		11 KB
11 KB 		Image
General
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https://chandra.harvard.edu/graphics/top/wsn/minus_blue.jpg
Requested by
Host: chandra.harvard.edu
URL: https://chandra.harvard.edu//xray_sources//blackholes.html
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
131.142.198.52 Cambridge, United States, ASN1742 (HARVARD-UNIV, US),
Reverse DNS
chandra.cfa.harvard.edu
Software
lighttpd/1.4.67 /
Resource Hash
42b0a72707ce34e25f5f8eb126d0116fac0e71c5e4d0b15c06f527a3b325df31

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://chandra.harvard.edu//xray_sources//blackholes.html
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 02 Jul 2024 19:29:40 GMT
last-modified
Sat, 12 May 2012 17:42:11 GMT
server
lighttpd/1.4.67
accept-ranges
bytes
etag
"743179870"
content-length
11541
content-type
image/jpeg
minus_gray.jpg
chandra.harvard.edu/graphics/top/wsn/ 		12 KB
12 KB 		Image
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https://chandra.harvard.edu/graphics/top/wsn/minus_gray.jpg
Requested by
Host: chandra.harvard.edu
URL: https://chandra.harvard.edu//xray_sources//blackholes.html
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
131.142.198.52 Cambridge, United States, ASN1742 (HARVARD-UNIV, US),
Reverse DNS
chandra.cfa.harvard.edu
Software
lighttpd/1.4.67 /
Resource Hash
8d91100bcdf6d354d36130f308570ae1f76556132293103e9dfadfd0f0f95c01

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://chandra.harvard.edu//xray_sources//blackholes.html
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 02 Jul 2024 19:29:40 GMT
last-modified
Sat, 12 May 2012 17:42:11 GMT
server
lighttpd/1.4.67
accept-ranges
bytes
etag
"270845197"
content-length
11914
content-type
image/jpeg
bg.jpg
chandra.harvard.edu/graphics/top/wsn/ 		810 KB
810 KB 		Image
General
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https://chandra.harvard.edu/graphics/top/wsn/bg.jpg
Requested by
Host: chandra.harvard.edu
URL: https://chandra.harvard.edu/incl/css/cxcpub_ws.css
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
131.142.198.52 Cambridge, United States, ASN1742 (HARVARD-UNIV, US),
Reverse DNS
chandra.cfa.harvard.edu
Software
lighttpd/1.4.67 /
Resource Hash
28f69cf9dee7fcde822fe13db8e4a0e8eea70924473c241bfc45a4a934358dd4

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://chandra.harvard.edu/incl/css/cxcpub_ws.css
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 02 Jul 2024 19:29:40 GMT
last-modified
Thu, 01 Dec 2011 01:17:38 GMT
server
lighttpd/1.4.67
accept-ranges
bytes
etag
"760531799"
content-length
829056
content-type
image/jpeg
header.png
chandra.harvard.edu/graphics/top/wsn/ 		33 KB
33 KB 		Image
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https://chandra.harvard.edu/graphics/top/wsn/header.png
Requested by
Host: chandra.harvard.edu
URL: https://chandra.harvard.edu/incl/css/cxcpub_ws.css
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
131.142.198.52 Cambridge, United States, ASN1742 (HARVARD-UNIV, US),
Reverse DNS
chandra.cfa.harvard.edu
Software
lighttpd/1.4.67 /
Resource Hash
6b181d042947470f0d9136dc69f2c69dfbdba1cd8429a3415a4df6c368226c90

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://chandra.harvard.edu/incl/css/cxcpub_ws.css
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 02 Jul 2024 19:29:40 GMT
last-modified
Thu, 01 Dec 2011 01:17:38 GMT
server
lighttpd/1.4.67
accept-ranges
bytes
etag
"3026997622"
content-length
33828
content-type
image/png
sec_left_top_title_bg.jpg
chandra.harvard.edu/graphics/top/wsn/ 		11 KB
12 KB 		Image
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https://chandra.harvard.edu/graphics/top/wsn/sec_left_top_title_bg.jpg
Requested by
Host: chandra.harvard.edu
URL: https://chandra.harvard.edu/incl/css/cxcpub_ws.css
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
131.142.198.52 Cambridge, United States, ASN1742 (HARVARD-UNIV, US),
Reverse DNS
chandra.cfa.harvard.edu
Software
lighttpd/1.4.67 /
Resource Hash
530f2376b01884c8bb1c092e94712ad1efb761f9ec6978ec8f93960ca3601f88

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://chandra.harvard.edu/incl/css/cxcpub_ws.css
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 02 Jul 2024 19:29:40 GMT
last-modified
Sat, 12 May 2012 17:42:12 GMT
server
lighttpd/1.4.67
accept-ranges
bytes
etag
"308558829"
content-length
11692
content-type
image/jpeg
sec_left_title_bg.jpg
chandra.harvard.edu/graphics/top/wsn/ 		11 KB
11 KB 		Image
General
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https://chandra.harvard.edu/graphics/top/wsn/sec_left_title_bg.jpg
Requested by
Host: chandra.harvard.edu
URL: https://chandra.harvard.edu/incl/css/cxcpub_ws.css
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
131.142.198.52 Cambridge, United States, ASN1742 (HARVARD-UNIV, US),
Reverse DNS
chandra.cfa.harvard.edu
Software
lighttpd/1.4.67 /
Resource Hash
243d098b97b8deb47326657c0db1cffcc6b7b365bb23f7816ea8f7dd407ebadd

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://chandra.harvard.edu/incl/css/cxcpub_ws.css
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 02 Jul 2024 19:29:40 GMT
last-modified
Sat, 12 May 2012 17:42:11 GMT
server
lighttpd/1.4.67
accept-ranges
bytes
etag
"739525499"
content-length
11324
content-type
image/jpeg
sec_left_short_bg.jpg
chandra.harvard.edu/graphics/top/wsn/ 		11 KB
11 KB 		Image
General
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https://chandra.harvard.edu/graphics/top/wsn/sec_left_short_bg.jpg
Requested by
Host: chandra.harvard.edu
URL: https://chandra.harvard.edu/incl/css/cxcpub_ws.css
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
131.142.198.52 Cambridge, United States, ASN1742 (HARVARD-UNIV, US),
Reverse DNS
chandra.cfa.harvard.edu
Software
lighttpd/1.4.67 /
Resource Hash
7c0dff77f0f74885eac9c604b9484e452333ff2ccb90fdb8853ce83b1b7bbfed

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://chandra.harvard.edu/incl/css/cxcpub_ws.css
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 02 Jul 2024 19:29:40 GMT
last-modified
Sat, 12 May 2012 17:42:08 GMT
server
lighttpd/1.4.67
accept-ranges
bytes
etag
"1139563618"
content-length
11277
content-type
image/jpeg
wtid.js
logs1.smithsonian.museum/dcsx49imdadzpxzz2hqgi3i9h_5i4g/ 		63 B
268 B 		Script
General
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https://logs1.smithsonian.museum/dcsx49imdadzpxzz2hqgi3i9h_5i4g/wtid.js
Requested by
Host: chandra.harvard.edu
URL: https://chandra.harvard.edu/incl/scripts/webtrends.js
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
160.111.252.9 , United States, ASN25829 (SMITHSONIAN, US),
Reverse DNS
logs4.smithsonian.museum
Software
/
Resource Hash
9536c1e711261532828c079b57b66379dbcac9940012bc6b28d74f863d5582a2

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://chandra.harvard.edu/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
Intervention
<https://www.chromestatus.com/feature/5718547946799104>; level="warning"
sec-ch-ua-platform
"Win32"

Response headers

Pragma
no-cache
Date
Tue, 02 Jul 2024 19:29:41 GMT
X-wtid
sent
Content-Type
application/x-javascript
Cache-Control
no-cache
Connection
close
Content-Length
63
Expires
-1
collect
www.google-analytics.com/j/ 		15 B
224 B 		XHR
General
Check archive.org
Download Go to
Full URL
https://www.google-analytics.com/j/collect?v=1&_v=j101&a=1335178081&t=pageview&_s=1&dl=https%3A%2F%2Fchandra.harvard.edu%2F%2Fxray_sources%2F%2Fblackholes.html&ul=de-de&de=UTF-8&dt=Chandra%20%3A%3A%20Field%20Guide%20to%20X-ray%20Sources%20%3A%3A%20Black%20Holes&sd=24-bit&sr=1600x1200&vp=1600x1200&je=0&_u=IEBAAEABAAAAACAAI~&jid=1599586961&gjid=941037137&cid=768178497.1719948581&tid=UA-59094857-1&_gid=1392056423.1719948581&_r=1&_slc=1&z=57978503
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
2a00:1450:4001:828::200e Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Golfe2 /
Resource Hash
8a938277a8c6c239c7bb537e9323207ced4247390eda612ae10b4810b7fac6b8
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
sec-ch-ua-platform
"Win32"
Referer
https://chandra.harvard.edu/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
Content-Type
text/plain

Response headers

pragma
no-cache
date
Tue, 02 Jul 2024 19:29:41 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://chandra.harvard.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
15
expires
Fri, 01 Jan 1990 00:00:00 GMT
js
www.googletagmanager.com/gtag/ 		254 KB
91 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://www.googletagmanager.com/gtag/js?id=G-GNT9HJBVJ0&cx=c&_slc=1
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
2a00:1450:4001:827::2008 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Google Tag Manager /
Resource Hash
1552553ae495336c8d17c7f60d0c41417a1c9faf48de989055e0eaf808605829
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains
X-Xss-Protection 0

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://chandra.harvard.edu/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 02 Jul 2024 19:29:41 GMT
content-encoding
br
strict-transport-security
max-age=31536000; includeSubDomains
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
cross-origin-resource-policy
cross-origin
access-control-allow-headers
Cache-Control
content-length
92368
x-xss-protection
0
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
expires
Tue, 02 Jul 2024 19:29:41 GMT
collect
region1.google-analytics.com/g/ 		0
0 		Fetch
General
Check archive.org
Download Go to
Full URL
https://region1.google-analytics.com/g/collect?v=2&tid=G-GNT9HJBVJ0&gtm=45je4710v9107409055za200&_p=1719948581214&gcd=13l3l3l2l2&npa=0&dma_cps=sypham&dma=1&tag_exp=0&ul=de-de&sr=1600x1200&cid=768178497.1719948581&uaa=x86&uab=64&uafvl=Not%252FA)Brand%3B8.0.0.0%7CChromium%3B126.0.6478.126%7CGoogle%2520Chrome%3B126.0.6478.126&uamb=0&uam=&uap=Win32&uapv=10.0.0&uaw=0&are=1&frm=0&pscdl=noapi&_eu=ABAI&_s=1&dl=https%3A%2F%2Fchandra.harvard.edu%2F%2Fxray_sources%2F%2Fblackholes.html&dt=Chandra%20%3A%3A%20Field%20Guide%20to%20X-ray%20Sources%20%3A%3A%20Black%20Holes&sid=1719948581&sct=1&seg=0&en=page_view&_fv=1&_ss=1&_ee=1&tfd=1243&_z=fetch
Requested by
Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtag/js?id=G-GNT9HJBVJ0&cx=c&_slc=1
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2001:4860:4802:34::36 , United States, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Golfe2 /
Resource Hash

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://chandra.harvard.edu/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

pragma
no-cache
date
Tue, 02 Jul 2024 19:29:41 GMT
server
Golfe2
content-type
text/plain
access-control-allow-origin
https://chandra.harvard.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
0
expires
Fri, 01 Jan 1990 00:00:00 GMT
dcs.gif
logs1.smithsonian.museum/dcsx49imdadzpxzz2hqgi3i9h_5i4g/
Redirect Chain
  • https://logs1.smithsonian.museum/dcsx49imdadzpxzz2hqgi3i9h_5i4g/dcs.gif?&dcsdat=1719948582076&dcssip=chandra.harvard.edu&dcsuri=//xray_sources//blackholes.html&WT.tz=2&WT.bh=21&WT.ul=de-DE&WT.cd=24...
  • https://logs1.smithsonian.museum/dcsx49imdadzpxzz2hqgi3i9h_5i4g/dcs.gif?dcsredirect=1&dcsdat=1719948582076&dcssip=chandra.harvard.edu&dcsuri=//xray_sources//blackholes.html&WT.tz=2&WT.bh=21&WT.ul=d...
43 B
722 B 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://logs1.smithsonian.museum/dcsx49imdadzpxzz2hqgi3i9h_5i4g/dcs.gif?dcsredirect=1&dcsdat=1719948582076&dcssip=chandra.harvard.edu&dcsuri=//xray_sources//blackholes.html&WT.tz=2&WT.bh=21&WT.ul=de-DE&WT.cd=24&WT.sr=1600x1200&WT.jo=No&WT.ti=Chandra%20::%20Field%20Guide%20to%20X-ray%20Sources%20::%20Black%20Holes&WT.js=Yes&WT.jv=1.5&WT.ct=unknown&WT.bs=1600x1200&WT.fv=Not%20enabled&WT.slv=Not%20enabled&WT.tv=9.4.0&WT.dl=0&WT.ssl=1&WT.es=chandra.harvard.edu//xray_sources//blackholes.html&WT.vt_f_tlv=0&WT.vt_f_tlh=0&WT.vt_f_d=1&WT.vt_f_s=1&WT.vt_f_a=1&WT.vt_f=1&WT.vtvs=1719948582077&WT.vtid=80.255.7.108-803094880.31116470&WT.co_f=80.255.7.108-803094880.31116470
Requested by
Host: chandra.harvard.edu
URL: https://chandra.harvard.edu//xray_sources//blackholes.html
Protocol
HTTP/1.1
Server
160.111.252.9 , United States, ASN25829 (SMITHSONIAN, US),
Reverse DNS
logs4.smithsonian.museum
Software
/
Resource Hash
9327663db171e3c01e351f3f5562ee5ed8f3d6bde6a7da57d966997f1a4b7a57

Request headers

Accept-Language
de-DE,de;q=0.9;q=0.9
Referer
https://chandra.harvard.edu/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Response headers

Date
Tue, 02 Jul 2024 19:29:42 GMT
Last-Modified
Thu, 13 Sep 2012 00:07:18 GMT
ETag
"0ffccbc4391cd1:0"
P3P
CP="NOI DSP COR NID ADM DEV PSA OUR IND UNI PUR COM NAV INT STA"
Content-Type
image/gif
Connection
close
Accept-Ranges
bytes
Content-Length
43

Redirect headers

Date
Tue, 02 Jul 2024 19:29:42 GMT
Last-Modified
Thu, 13 Sep 2012 00:07:18 GMT
ETag
"0ffccbc4391cd1:0"
P3P
CP="NOI DSP COR NID ADM DEV PSA OUR IND UNI PUR COM NAV INT STA"
Location
/dcsx49imdadzpxzz2hqgi3i9h_5i4g/dcs.gif?dcsredirect=1&dcsdat=1719948582076&dcssip=chandra.harvard.edu&dcsuri=//xray_sources//blackholes.html&WT.tz=2&WT.bh=21&WT.ul=de-DE&WT.cd=24&WT.sr=1600x1200&WT.jo=No&WT.ti=Chandra%20::%20Field%20Guide%20to%20X-ray%20Sources%20::%20Black%20Holes&WT.js=Yes&WT.jv=1.5&WT.ct=unknown&WT.bs=1600x1200&WT.fv=Not%20enabled&WT.slv=Not%20enabled&WT.tv=9.4.0&WT.dl=0&WT.ssl=1&WT.es=chandra.harvard.edu//xray_sources//blackholes.html&WT.vt_f_tlv=0&WT.vt_f_tlh=0&WT.vt_f_d=1&WT.vt_f_s=1&WT.vt_f_a=1&WT.vt_f=1&WT.vtvs=1719948582077&WT.vtid=80.255.7.108-803094880.31116470&WT.co_f=80.255.7.108-803094880.31116470
Content-Type
image/gif
Connection
close
Accept-Ranges
bytes
Content-Length
0
favicon.ico
chandra.harvard.edu/ 		97 B
218 B 		Other
General
Check archive.org
Download Go to
Full URL
https://chandra.harvard.edu/favicon.ico
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
131.142.198.52 Cambridge, United States, ASN1742 (HARVARD-UNIV, US),
Reverse DNS
chandra.cfa.harvard.edu
Software
Apache /
Resource Hash
921f910df5b8b8c35232f6ea7166a7be0196ded72003efcbd69a936b2057b1d6

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://chandra.harvard.edu//xray_sources//blackholes.html
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 02 Jul 2024 19:29:43 GMT
last-modified
Fri, 22 Aug 2008 15:20:08 GMT
server
Apache
accept-ranges
bytes
etag
"61-4550df9136fbf"
content-length
97

Verdicts & Comments Add Verdict or Comment

35 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.

undefined| event object| fence object| sharedStorage function| showHideItems function| swapImage function| showHideItems_blk function| swapImage_blk function| showHideAnswers function| swapImageAnswers function| showHide_sm function| swapImage_sm function| showHide_wave function| swapImage_wave function| showHide_black function| swapImage_black function| showHide_about function| swapImage_about function| showHide_aboutgray function| swapImage_aboutgray function| showHide_close function| swapImage_close function| non string| GoogleAnalyticsObject function| ga function| WebTrends function| dcsMultiTrack function| dcsDebug object| _tag object| google_tag_data object| gaplugins object| gaGlobal object| gaData object| dataLayer object| google_tag_manager string| gTempWtId

7 Cookies

Domain/Path Name / Value
chandra.harvard.edu/ Name: SERVERID
Value: cxcweb48
.harvard.edu/ Name: _ga
Value: GA1.2.768178497.1719948581
.harvard.edu/ Name: _gid
Value: GA1.2.1392056423.1719948581
.harvard.edu/ Name: _gat
Value: 1
.harvard.edu/ Name: _ga_GNT9HJBVJ0
Value: GS1.2.1719948581.1.0.1719948581.0.0.0
chandra.harvard.edu/ Name: WT_FPC
Value: id=80.255.7.108-803094880.31116470:lv=1719923382077:ss=1719923382077
logs1.smithsonian.museum/ Name: ACOOKIE
Value: C8ctADgwLjI1NS43LjEwOC04MDMwOTQ4ODAuMzExMTY0NzAAAAAAAAAAAAABAAAAFwAAACdVhGYnVYRmAQAAAAEAAAAnVYRmJ1WEZgAAAAA-

4 Console Messages

Source Level URL
Text
security warning URL: https://chandra.harvard.edu//xray_sources//blackholes.html
Message:
Mixed Content: The page at 'https://chandra.harvard.edu//xray_sources//blackholes.html' was loaded over HTTPS, but requested an insecure element 'http://chandra.si.edu/blackhole/images/bh_illus_thm115.png'. This request was automatically upgraded to HTTPS, For more information see https://blog.chromium.org/2019/10/no-more-mixed-messages-about-https.html
security warning URL: https://chandra.harvard.edu//xray_sources//blackholes.html(Line 593)
Message:
Mixed Content: The page at 'https://chandra.harvard.edu//xray_sources//blackholes.html' was loaded over HTTPS, but requested an insecure element 'http://chandra.si.edu/blackhole/images/bh_illus_thm115.png'. This request was automatically upgraded to HTTPS, For more information see https://blog.chromium.org/2019/10/no-more-mixed-messages-about-https.html
javascript warning URL: https://chandra.harvard.edu/incl/scripts/webtrends.js(Line 33)
Message:
A parser-blocking, cross site (i.e. different eTLD+1) script, https://logs1.smithsonian.museum/dcsx49imdadzpxzz2hqgi3i9h_5i4g/wtid.js, is invoked via document.write. The network request for this script MAY be blocked by the browser in this or a future page load due to poor network connectivity. If blocked in this page load, it will be confirmed in a subsequent console message. See https://www.chromestatus.com/feature/5718547946799104 for more details.
javascript warning URL: https://chandra.harvard.edu/incl/scripts/webtrends.js(Line 33)
Message:
A parser-blocking, cross site (i.e. different eTLD+1) script, https://logs1.smithsonian.museum/dcsx49imdadzpxzz2hqgi3i9h_5i4g/wtid.js, is invoked via document.write. The network request for this script MAY be blocked by the browser in this or a future page load due to poor network connectivity. If blocked in this page load, it will be confirmed in a subsequent console message. See https://www.chromestatus.com/feature/5718547946799104 for more details.

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.

chandra.harvard.edu
chandra.si.edu
logs1.smithsonian.museum
region1.google-analytics.com
www.google-analytics.com
www.googletagmanager.com
131.142.198.52
160.111.252.9
2001:4860:4802:34::36
2a00:1450:4001:827::2008
2a00:1450:4001:828::200e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