Report - www.citeulike.org/posturl?url=www.mdpi.com/945004

Report Overview

Visited public
2024-02-13 07:33:13
Tags
sinkhole suspicious cloudflare
Submit Tags
URL
www.citeulike.org/posturl?url=www.mdpi.com/945004
Finishing URL
www.citeulike.org/posturl?url=www.mdpi.com/945004
IP / ASN
172.67.158.10
#13335 CLOUDFLARENET
Title
Attention Required! | Cloudflare
Suspicious - Sinkholed / Blocked

Detections

urlquery

Network Intrusion Detection

Threat Detection Systems

Domain Summary

Domain / FQDN	Rank	Registered	First Seen	Last Seen	Sent	Received	IP
citeulike.org	369336	2004-11-07	2017-10-12 12:27:04	2024-02-12 18:05:15	399 B	8.1 kB	104.21.49.16
www.citeulike.org	693191	2004-11-07	2014-02-20 03:30:40	2024-02-13 03:46:31	2.1 kB	14 kB	172.67.158.10

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ThreatFox

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JavaScript (3)

	URL	From	Size	First Seen	Last Seen
	www.citeulike.org/posturl?url=www.mdpi.com/945004	ScriptElement	0 B	0001-01-01	2025-07-25
Pretty URL www.citeulike.org/posturl?url=www.mdpi.com/945004 IP 172.67.158.10 ASN #13335 CLOUDFLARENET Introduced by scriptElement Embedded in HTML true Observations First Seen0001-01-01 00:00 Last Seen2025-07-25 04:04 Times Seen5529945 Hash d41d8cd98f00b204e9800998ecf8427e da39a3ee5e6b4b0d3255bfef95601890afd80709 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 Loading...

	www.citeulike.org/posturl?url=www.mdpi.com/945004	ScriptElement	393 B	2023-04-05	2025-03-02
Pretty URL www.citeulike.org/posturl?url=www.mdpi.com/945004 IP 172.67.158.10 ASN #13335 CLOUDFLARENET Introduced by scriptElement Embedded in HTML true Observations First Seen2023-04-05 04:39 Last Seen2025-03-02 06:13 Times Seen143291 Hash 34ad0a116707d3b794129a6720af92d7 424de9dbb8bc774e2a2d4ade100d90f5ac0ecbf4 d011a9449a990f2086894be870adc6fbb53595dc593b410a83e45e40bfbc7262 Loading...

	www.citeulike.org/posturl?url=www.mdpi.com/945004	ScriptElement	0 B	0001-01-01	2025-07-25
Pretty URL www.citeulike.org/posturl?url=www.mdpi.com/945004 IP 172.67.158.10 ASN #13335 CLOUDFLARENET Introduced by scriptElement Embedded in HTML true Observations First Seen0001-01-01 00:00 Last Seen2025-07-25 04:04 Times Seen5529945 Hash d41d8cd98f00b204e9800998ecf8427e da39a3ee5e6b4b0d3255bfef95601890afd80709 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 Loading...

HTTP Transactions (6)

URL IP Response Size

GET www.citeulike.org/posturl?url=www.mdpi.com/945004

172.67.158.10

403 Forbidden

3.3 kB

URL User Request GET HTTP/1.1
www.citeulike.org/posturl?url=www.mdpi.com/945004
IP
172.67.158.10:80
ASN
#13335 CLOUDFLARENET

File type
HTML document, ASCII text, with very long lines (394)
Size
3.3 kB (3316 bytes)
Hash
7b372fd70dff446afeec9200837748f6
a570524c0863288b7320201d4015e3a114f44170
f2f97fbefdabafc99e4ea6081c53ed66ce73b85b82cd82b275730901a5db5f97

HTTP Headers

GET /posturl?url=www.mdpi.com/945004 HTTP/1.1
Host: www.citeulike.org
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:96.0) Gecko/20100101 Firefox/96.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate, br
DNT: 1
Upgrade-Insecure-Requests: 1
Connection: keep-alive
Sec-Fetch-Dest: document
Sec-Fetch-Mode: navigate
Sec-Fetch-Site: cross-site
Pragma: no-cache
Cache-Control: no-cache

HTTP/2 403 Forbidden
date: Tue, 13 Feb 2024 07:32:48 GMT
content-type: text/html; charset=UTF-8
x-frame-options: SAMEORIGIN
referrer-policy: same-origin
cache-control: max-age=15
expires: Tue, 13 Feb 2024 07:33:03 GMT
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=OmSRdfhyleA7vAX2Z5u3yT8QRZ5dJeTSBzRwRDuvuIxx%2BCMJI1XGk5Fw7crWLxhNkBFnpl4nI7zLhxZR8nhBDpt03w9BuOUR4QPWzftpZrDmivJ%2BkYuPSKp61CnHJ3noloaPFQ%3D%3D"}],"group":"cf-nel","max_age":604800}
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
vary: Accept-Encoding
server: cloudflare
cf-ray: 854b612afdda5689-OSL
content-encoding: br
alt-svc: h3=":443"; ma=86400
X-Firefox-Spdy: h2

GET www.citeulike.org/cdn-cgi/styles/cf.errors.css

104.21.49.16

200 OK

4.5 kB

URL GET HTTP/1.1
www.citeulike.org/cdn-cgi/styles/cf.errors.css
IP
104.21.49.16:80
ASN
#13335 CLOUDFLARENET

Requested by
http://www.citeulike.org/posturl?url=www.mdpi.com/945004

File type
ASCII text, with very long lines (24131)
Size
4.5 kB (4529 bytes)
Hash
a1cedc21f16b5a97114857154fab35e9
95e9890a15a4f7f94f7f19d2c297e4b07503c526
1103290e25ebda2712abe344a87facbac00ddaba712729be9fe5feef807bf91b

Detections

Analyzer	Verdict	Alert
urlquery	suspicious	Suspicious - Sinkholed / Blocked

HTTP Headers

GET /cdn-cgi/styles/cf.errors.css HTTP/1.1
Host: www.citeulike.org
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:96.0) Gecko/20100101 Firefox/96.0
Accept: text/css,*/*;q=0.1
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
Referer: http://www.citeulike.org/posturl?url=www.mdpi.com/945004
DNT: 1
Connection: keep-alive
Pragma: no-cache
Cache-Control: no-cache

HTTP/1.1 200 OK
Date: Tue, 13 Feb 2024 07:32:49 GMT
Content-Type: text/css
Transfer-Encoding: chunked
Connection: keep-alive
Last-Modified: Wed, 07 Feb 2024 16:52:27 GMT
ETag: W/"65c3b54b-5e44"
Server: cloudflare
CF-RAY: 854b612e6f2256ba-OSL
X-Frame-Options: DENY
X-Content-Type-Options: nosniff
Vary: Accept-Encoding
Expires: Tue, 13 Feb 2024 09:32:49 GMT
Cache-Control: max-age=7200, public
Content-Encoding: gzip

www.citeulike.org/cdn-cgi/images/browser-bar.png?1376755637

104.21.49.16

715 B

URL
www.citeulike.org/cdn-cgi/images/browser-bar.png?1376755637
IP
104.21.49.16:0
ASN
#13335 CLOUDFLARENET

File type
PNG image data, 960 x 53, 8-bit colormap, non-interlaced
Size
715 B (715 bytes)
Hash
226dcb8f6144bdaafdfbd8f2f354be64
3785cc5b3bf52f8e398177b0ff1020b24aa86b8c
8c873472f4925d5d47521db4d52532d2983e9cb1bde8b43143a6cc6db56c35db

Detections

Analyzer	Verdict	Alert
urlquery	suspicious	Suspicious - Sinkholed / Blocked

HTTP Headers

GET /cdn-cgi/images/browser-bar.png?1376755637 HTTP/1.1
Host: www.citeulike.org
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:96.0) Gecko/20100101 Firefox/96.0
Accept: image/avif,image/webp,*/*
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
DNT: 1
Connection: keep-alive
Referer: http://www.citeulike.org/cdn-cgi/styles/cf.errors.css
Pragma: no-cache
Cache-Control: no-cache

HTTP/1.1 200 OK
Date: Tue, 13 Feb 2024 07:32:49 GMT
Content-Type: image/png
Content-Length: 715
Connection: keep-alive
Last-Modified: Wed, 07 Feb 2024 16:52:27 GMT
ETag: "65c3b54b-2cb"
Server: cloudflare
CF-RAY: 854b612edfb756ba-OSL
X-Frame-Options: DENY
X-Content-Type-Options: nosniff
Vary: Accept-Encoding
Expires: Tue, 13 Feb 2024 09:32:49 GMT
Cache-Control: max-age=7200, public
Accept-Ranges: bytes

www.citeulike.org/cdn-cgi/images/cf-no-screenshot-error.png

104.21.49.16

3.2 kB

URL
www.citeulike.org/cdn-cgi/images/cf-no-screenshot-error.png
IP
104.21.49.16:0
ASN
#13335 CLOUDFLARENET

File type
PNG image data, 178 x 175, 8-bit colormap, non-interlaced
Size
3.2 kB (3213 bytes)
Hash
0d768cbc261841d3affc933b9ac3130e
aff136a4c761e1df1ada7e5d9a6ed0ebea74a4b7
1c53772285052e52bb7c12ad46a85a55747ed7bf66963fe1993fcef91ff5b0d0

Detections

Analyzer	Verdict	Alert
urlquery	suspicious	Suspicious - Sinkholed / Blocked

HTTP Headers

GET /cdn-cgi/images/cf-no-screenshot-error.png HTTP/1.1
Host: www.citeulike.org
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:96.0) Gecko/20100101 Firefox/96.0
Accept: image/avif,image/webp,*/*
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
DNT: 1
Connection: keep-alive
Referer: http://www.citeulike.org/cdn-cgi/styles/cf.errors.css
Pragma: no-cache
Cache-Control: no-cache

HTTP/1.1 200 OK
Date: Tue, 13 Feb 2024 07:32:49 GMT
Content-Type: image/png
Content-Length: 3213
Connection: keep-alive
Last-Modified: Wed, 07 Feb 2024 16:52:27 GMT
ETag: "65c3b54b-c8d"
Server: cloudflare
CF-RAY: 854b612edc001c0a-OSL
X-Frame-Options: DENY
X-Content-Type-Options: nosniff
Vary: Accept-Encoding
Expires: Tue, 13 Feb 2024 09:32:49 GMT
Cache-Control: max-age=7200, public
Accept-Ranges: bytes

GET www.citeulike.org/favicon.ico

104.21.49.16

301 Moved Permanently

0 B

URL GET HTTP/2
www.citeulike.org/favicon.ico
IP
104.21.49.16:443
ASN
#13335 CLOUDFLARENET

Requested by
http://www.citeulike.org/posturl?url=www.mdpi.com/945004
Certificate
IssuerGoogle Trust Services LLC
Subjectciteulike.org
Fingerprint4D:9A:39:D5:6E:34:B5:27:4A:D2:54:C4:18:6F:0D:7F:33:A9:75:F6
ValidityMon, 18 Dec 2023 11:13:51 GMT - Sun, 17 Mar 2024 11:13:50 GMT

File type

Size
0 B (0 bytes)
Hash
d41d8cd98f00b204e9800998ecf8427e
da39a3ee5e6b4b0d3255bfef95601890afd80709
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

HTTP Headers

GET /favicon.ico HTTP/1.1
Host: www.citeulike.org
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:96.0) Gecko/20100101 Firefox/96.0
Accept: image/avif,image/webp,*/*
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
Referer: http://www.citeulike.org/posturl?url=www.mdpi.com/945004
DNT: 1
Connection: keep-alive
Pragma: no-cache
Cache-Control: no-cache

HTTP/1.1 301 Moved Permanently
Date: Tue, 13 Feb 2024 07:32:49 GMT
Transfer-Encoding: chunked
Connection: keep-alive
Cache-Control: max-age=3600
Expires: Tue, 13 Feb 2024 08:32:49 GMT
Location: https://www.citeulike.org/favicon.ico
Report-To: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=LdoHJHsa452nPK3AkCCvsCGi%2Bo4aykpieoKX6Hk1V%2Fyxm6iEX78peuIUiN6d1P5m8nSKI8pQxhV0ekj3Jizjqf1Ub9InDPDmNjGq5hWJMKIukQN%2FDmI1lcXopjSeurx5UyF29g%3D%3D"}],"group":"cf-nel","max_age":604800}
NEL: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
Vary: Accept-Encoding
Server: cloudflare
CF-RAY: 854b612eec141c0a-OSL
alt-svc: h2=":443"; ma=60

GET citeulike.org/favicon.ico

104.21.49.16

301 Moved Permanently

7.4 kB

URL GET HTTP/3
citeulike.org/favicon.ico
IP
104.21.49.16:443
ASN
#13335 CLOUDFLARENET

Requested by
http://www.citeulike.org/posturl?url=www.mdpi.com/945004
Certificate
IssuerGoogle Trust Services LLC
Subjectciteulike.org
Fingerprint4D:9A:39:D5:6E:34:B5:27:4A:D2:54:C4:18:6F:0D:7F:33:A9:75:F6
ValidityMon, 18 Dec 2023 11:13:51 GMT - Sun, 17 Mar 2024 11:13:50 GMT

File type
JPEG image data, JFIF standard 1.01, aspect ratio, density 1x1, segment length 16, progressive, precision 8, 296x148, components 3
Size
7.4 kB (7444 bytes)
Hash
56acbe1d25aababe22206ff1a449b202
03e1d6ca46e369e643147fbeb27ba08e238d911e
13658c664a43108f699237858bb355d1e18ac7050b42692f36ebfce89395781f

HTTP Headers

GET /favicon.ico HTTP/1.1
Host: citeulike.org
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:96.0) Gecko/20100101 Firefox/96.0
Accept: image/avif,image/webp,*/*
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate, br
DNT: 1
Connection: keep-alive
Sec-Fetch-Dest: image
Sec-Fetch-Mode: no-cors
Sec-Fetch-Site: cross-site
Pragma: no-cache
Cache-Control: no-cache
TE: trailers

HTTP/3 301 Moved Permanently
date: Tue, 13 Feb 2024 07:32:49 GMT
content-type: text/html; charset=utf-8
location: /favicon.ico/
x-content-type-options: nosniff
referrer-policy: same-origin
cache-control: max-age=31536000
cf-cache-status: HIT
age: 2192
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=o86JwSmHoqDKMT5rOgR%2BpvEKWw7FO6cyEEjVHAJnFTtcRju%2Fp2%2Frzm%2FF6rB%2BZW3j9BsyumUr%2B20LhH8MTSqHAXqLjNjDC358eEchj4rcSAszCbrcvyjPbN00QhDOU1D6"}],"group":"cf-nel","max_age":604800}
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
vary: Accept-Encoding
server: cloudflare
cf-ray: 854b61304f18712b-OSL
alt-svc: h3=":443"; ma=86400

Report Overview

Domain Summary

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JavaScript (3)

URL

IP

ASN

Introduced by

Embedded in HTML

Observations

Hash

URL

IP

ASN

Introduced by

Embedded in HTML

Observations

Hash

URL

IP

ASN

Introduced by

Embedded in HTML

Observations

Hash

HTTP Transactions (6)

URL User Request GET HTTP/1.1

IP

ASN

File type

Size

Hash

HTTP Headers

URL GET HTTP/1.1

IP

ASN

Requested by

File type

Size

Hash

Detections

HTTP Headers

URL

IP

ASN

File type

Size

Hash

Detections

HTTP Headers

URL

IP

ASN

File type

Size

Hash

Detections

HTTP Headers

URL GET HTTP/2

IP

ASN

Requested by

Certificate

File type

Size

Hash

HTTP Headers

URL GET HTTP/3

IP

ASN

Requested by