www.da.vidbuchanan.co.uk Open in urlscan Pro
2a0b:7080:20::1:b343 Public Scan

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URL:
https://www.da.vidbuchanan.co.uk/blog/hello-png.html
Submission: On May 20 via manual (May 20th 2024, 5:57:06 am UTC) from IL — Scanned from GB

Summary HTTP 3 Redirects Links 46 Behaviour Indicators

Summary

This website contacted 2 IPs in 1 countries across 1 domains to perform 3 HTTP transactions. The main IP is 2a0b:7080:20::1:b343, located in London, United Kingdom and belongs to HOSTUS-GLOBAL-AS HostUS, HK. The main domain is www.da.vidbuchanan.co.uk.
TLS certificate: Issued by R3 on March 30th 2024. Valid for: 3 months.

This is the only time www.da.vidbuchanan.co.uk was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

	IP Address		AS Autonomous System
3	2a0b:7080:20:... 2a0b:7080:20::1:b343		7489 (HOSTUS-GL...) (HOSTUS-GLOBAL-AS HostUS)
3	2

3 2a0b:7080:20::1:b343 (London, United Kingdom)

ASN7489 (HOSTUS-GLOBAL-AS HostUS, HK)

www.da.vidbuchanan.co.uk	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

	Apex Domain Subdomains	Transfer
3	vidbuchanan.co.uk www.da.vidbuchanan.co.uk	1 MB
3	1

	Domain	Requested by
3	www.da.vidbuchanan.co.uk	www.da.vidbuchanan.co.uk
3	1

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

Domain
www.w3.org
bugzilla.mozilla.org
github.com
imagemagick.org
en.wikipedia.org
www.youtube.com
www.rfc-editor.org
www.euccas.me
retr0.id
www.bleepingcomputer.com
hackaday.com
tongwing.woon.sg
news.ycombinator.com
gist.github.com
twitter.com
pixeldreams.tokyo

Subject Issuer	Validity	Valid
www.da.vidbuchanan.co.uk R3	`2024-03-30` - `2024-06-28`	3 months	crt.sh

This page contains 1 frames:

Primary Page: https://www.da.vidbuchanan.co.uk/blog/hello-png.html
Frame ID: 3E30448DECAFFE996985B0E7D412E428
Requests: 5 HTTP requests in this frame

Screenshot
Live screenshot

Full Image

Page Title

Hello, PNG! | Blog

Page Statistics

3
Requests

100 %
HTTPS

100 %
IPv6

1
Domains

1
Subdomains

2
IPs

1
Countries

1128 kB
Transfer

1510 kB
Size

0
Cookies

46 Outgoing links

These are links going to different origins than the main page.

URL: https://www.w3.org/TR/REC-png-961001
Title: released in 1996

Search URL Search Domain Scan URL

URL: https://bugzilla.mozilla.org/show_bug.cgi?id=1534483
Title: disgusting

Search URL Search Domain Scan URL

URL: https://www.w3.org/TR/2022/WD-png-3-20221025/
Title: Working Draft of the PNG Specification (Third Edition)

Search URL Search Domain Scan URL

URL: https://www.w3.org/TR/2022/WD-png-3-20221025/#5PNG-file-signature
Title: defined as

Search URL Search Domain Scan URL

URL: https://www.w3.org/TR/2022/WD-png-3-20221025/#5Chunk-layout
Title: structure

Search URL Search Domain Scan URL

URL: https://www.w3.org/TR/2022/WD-png-3-20221025/#7Integers-and-byte-order
Title: Network Byte Order

Search URL Search Domain Scan URL

URL: https://www.w3.org/TR/2022/WD-png-3-20221025/#dfn-png-four-byte-unsigned-integer
Title: defines

Search URL Search Domain Scan URL

URL: https://www.w3.org/TR/2022/WD-png-3-20221025/#5CRC-algorithm
Title: terse mathematical definition

Search URL Search Domain Scan URL

URL: https://github.com/DavidBuchanan314/hello_png/blob/main/hello_png_0.py
Title: here

Search URL Search Domain Scan URL

URL: https://imagemagick.org/script/convert.php
Title: ImageMagick

Search URL Search Domain Scan URL

URL: https://en.wikipedia.org/wiki/SRGB
Title: sRGB colourspace

Search URL Search Domain Scan URL

URL: https://www.w3.org/TR/2022/WD-png-3-20221025/#11IHDR
Title: relevant section of the spec

Search URL Search Domain Scan URL

URL: https://www.w3.org/TR/2022/WD-png-3-20221025/#11Ancillary-chunks
Title: "Ancilliary Chunks"

Search URL Search Domain Scan URL

URL: https://www.youtube.com/watch?v=_zQ_uBAHA4A
Title: Guy Davidson - Everything you know about colour is wrong

Search URL Search Domain Scan URL

URL: https://www.w3.org/TR/2022/WD-png-3-20221025/#9Filters
Title: filtering

Search URL Search Domain Scan URL

URL: https://www.w3.org/TR/2022/WD-png-3-20221025/#9Filter-types
Title: Adaptive Filtering

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/rfc/rfc1951
Title: DEFLATE

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/rfc/rfc1950
Title: "zlib"

Search URL Search Domain Scan URL

URL: https://www.euccas.me/zlib/
Title: this article

Search URL Search Domain Scan URL

URL: https://github.com/google/zopfli
Title: zopfli

Search URL Search Domain Scan URL

URL: https://github.com/DavidBuchanan314/hello_png/blob/main/hello_png_1.py
Title: in full

Search URL Search Domain Scan URL

URL: https://github.com/DavidBuchanan314/hello_png
Title: https://github.com/DavidBuchanan314/hello_png

Search URL Search Domain Scan URL

URL: https://github.com/WerWolv/ImHex
Title: ImHex

Search URL Search Domain Scan URL

URL: https://github.com/WerWolv/ImHex-Patterns/blob/master/patterns/png.hexpat
Title: "pattern" for PNG

Search URL Search Domain Scan URL

URL: https://retr0.id/media/a13f403f-fff5-4f40-b9a2-13cce355f61b/hashquine_by_retr0id.png
Title: PNG/MD5 hashquine

Search URL Search Domain Scan URL

URL: https://www.bleepingcomputer.com/news/security/this-image-shows-its-own-md5-checksum-and-its-kind-of-a-big-deal/
Title: various

Search URL Search Domain Scan URL

URL: https://hackaday.com/2022/09/28/the-1337-png-hashquine/
Title: people

Search URL Search Domain Scan URL

URL: https://tongwing.woon.sg/blog/image-which-displays-its-own-md5-hash/
Title: wrote

Search URL Search Domain Scan URL

URL: https://github.com/corkami/collisions/tree/master/hashquines
Title: about

Search URL Search Domain Scan URL

URL: https://news.ycombinator.com/item?id=32956964
Title: discussed

Search URL Search Domain Scan URL

URL: https://gist.github.com/DavidBuchanan314/a15e93eeaaad977a0fec3a6232c0b8ae
Title: myself

Search URL Search Domain Scan URL

URL: https://news.ycombinator.com/item?id=29586549
Title: discussion

Search URL Search Domain Scan URL

URL: https://www.bleepingcomputer.com/news/technology/this-image-looks-very-different-on-apple-devices-see-for-yourself/
Title: and

Search URL Search Domain Scan URL

URL: https://hackaday.com/2022/01/17/parsing-pngs-differently/
Title: articles

Search URL Search Domain Scan URL

URL: https://github.com/DavidBuchanan314/parallel-png-proposal
Title: proposal

Search URL Search Domain Scan URL

URL: https://github.com/w3c/PNG-spec/issues/54#issuecomment-996944366
Title: likely

Search URL Search Domain Scan URL

URL: https://github.com/DavidBuchanan314/tweetable-polyglot-png
Title: PNG/ZIP polyglot

Search URL Search Domain Scan URL

URL: https://www.bleepingcomputer.com/news/security/twitter-images-can-be-abused-to-hide-zip-mp3-files-heres-how/
Title: Related article

Search URL Search Domain Scan URL

URL: https://twitter.com/david3141593/status/1587978423120666625
Title: web-streamable 4K 60fps video

Search URL Search Domain Scan URL

URL: https://en.wikipedia.org/wiki/APNG
Title: APNG

Search URL Search Domain Scan URL

URL: https://news.ycombinator.com/item?id=27579759
Title: Related discussion

Search URL Search Domain Scan URL

URL: https://pixeldreams.tokyo/cgi-bin/webring.cgi
Title: Haunted Webring

Search URL Search Domain Scan URL

URL: https://pixeldreams.tokyo/cgi-bin/webring.cgi?before=https%3A%2F%2Fwww.da.vidbuchanan.co.uk%2Fblog%2F
Title: < Previous

Search URL Search Domain Scan URL

URL: https://pixeldreams.tokyo/cgi-bin/webring.cgi?random=https%3A%2F%2Fwww.da.vidbuchanan.co.uk%2Fblog%2F
Title: Random

Search URL Search Domain Scan URL

URL: https://pixeldreams.tokyo/cgi-bin/webring.cgi?after=https%3A%2F%2Fwww.da.vidbuchanan.co.uk%2Fblog%2F
Title: Next >

Search URL Search Domain Scan URL

URL: https://github.com/gorhill/uBlock#installation

Search URL Search Domain Scan URL

Redirected requests

There were HTTP redirect chains for the following requests:

3 HTTP transactions
2 data transactions

Method
Protocol Status Resource
Path Size
x-fer Time
Latency Type
MIME-Type IP
Location

GET
H2 200 Primary Request hello-png.html Show response
www.da.vidbuchanan.co.uk/blog/ 410 KB
294 KB 186ms
44ms Document
text/html 2a0b:7080:20::1:b343
HOSTUS-GLOBAL-AS ...

General

Check archive.org

Show headers Download Go to

Full URL

https://www.da.vidbuchanan.co.uk/blog/hello-png.html

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a0b:7080:20::1:b343 London, United Kingdom, ASN7489 (HOSTUS-GLOBAL-AS HostUS, HK),

Reverse DNS

Software

nginx/1.18.0 (Ubuntu) /

Resource Hash

176edda915d175564c532daa20762732efc08cc6ad6fbc12717ffdb5fd3d3040

Security Headers

Name	Value
Strict-Transport-Security	max-age=31536000; includeSubDomains; preload
X-Frame-Options	deny

Request headers

Accept-Language: en-GB,en;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/124.0.0.0 Safari/537.36
sec-ch-ua: "Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
sec-ch-ua-mobile: ?0
sec-ch-ua-platform: "Win32"

Response headers

content-encoding: gzip
content-type: text/html
date: Mon, 20 May 2024 05:57:00 GMT
etag: W/"65ecbbf6-66706"
last-modified: Sat, 09 Mar 2024 19:43:50 GMT
server: nginx/1.18.0 (Ubuntu)
strict-transport-security: max-age=31536000; includeSubDomains; preload
x-frame-options: deny
x-xss: 0A5BC63E77F1F91B <h1>`whoami`<?php echo 4+4; ?></h1>
x-xss2: <script>alert('XSS!');</script>

GET
DATA 200
OK truncated
/ 125 KB
0 Image
image/png

General

Check archive.org

Show headers Download Go to Show image

Full URL: data:truncated
Protocol: DATA
Server: -, , ASN (),
Reverse DNS
Software: /
Resource Hash: 8be932cc46ce8e17f960544db050e7e0f773e5600bbf0859b7447c4b02b3e949

Request headers

Accept-Language: en-GB,en;q=0.9;q=0.9
Referer
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36

Response headers

Content-Type: image/png

GET
DATA 200
OK truncated
/ 142 KB
0 Image
image/png

General

Check archive.org

Show headers Download Go to Show image

Full URL: data:truncated
Protocol: DATA
Server: -, , ASN (),
Reverse DNS
Software: /
Resource Hash: a93ca8ce4770263dbe687b6c80b38abeee7cce10669d6fa343d82a82dab0b1f0

Request headers

Accept-Language: en-GB,en;q=0.9;q=0.9
Referer
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36

Response headers

Content-Type: image/png

GET
H2 200 video_ad.banner_ad.gif
www.da.vidbuchanan.co.uk/blog/ 832 KB
833 KB 35ms
35ms Image
image/gif 2a0b:7080:20::1:b343
HOSTUS-GLOBAL-AS ...

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://www.da.vidbuchanan.co.uk/blog/video_ad.banner_ad.gif

Requested by

Host: www.da.vidbuchanan.co.uk
URL: https://www.da.vidbuchanan.co.uk/blog/hello-png.html

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a0b:7080:20::1:b343 London, United Kingdom, ASN7489 (HOSTUS-GLOBAL-AS HostUS, HK),

Reverse DNS

Software

nginx/1.18.0 (Ubuntu) /

Resource Hash

e84cf19648af7c90640eeb336b42bad9f412a0bea11ee9e1a57d55feded6ba25

Security Headers

Name	Value
Strict-Transport-Security	max-age=31536000; includeSubDomains; preload
X-Frame-Options	deny

Request headers

sec-ch-ua: "Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer: https://www.da.vidbuchanan.co.uk/blog/hello-png.html
Accept-Language: en-GB,en;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/124.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Mon, 20 May 2024 05:57:00 GMT
strict-transport-security: max-age=31536000; includeSubDomains; preload
last-modified: Fri, 05 Jan 2024 03:27:40 GMT
server: nginx/1.18.0 (Ubuntu)
etag: "6597772c-cff50"
x-frame-options: deny
content-type: image/gif
x-xss2: <script>alert('XSS!');</script>
accept-ranges: bytes
content-length: 851792
x-xss: 0A5BC63E77F1F91B <h1>`whoami`<?php echo 4+4; ?></h1>

GET
H2 200 favicon.ico
www.da.vidbuchanan.co.uk/ 1 KB
1 KB 35ms
35ms Other
image/x-icon 2a0b:7080:20::1:b343
HOSTUS-GLOBAL-AS ...

General

Check archive.org

Show headers Download Go to

Full URL

https://www.da.vidbuchanan.co.uk/favicon.ico

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a0b:7080:20::1:b343 London, United Kingdom, ASN7489 (HOSTUS-GLOBAL-AS HostUS, HK),

Reverse DNS

Software

nginx/1.18.0 (Ubuntu) /

Resource Hash

3b059c5765c091fd2d05fae5ac6f24d7f926ecfa6e2e1b228134782b5e51eab4

Security Headers

Name	Value
Strict-Transport-Security	max-age=31536000; includeSubDomains; preload
X-Frame-Options	deny

Request headers

sec-ch-ua: "Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer: https://www.da.vidbuchanan.co.uk/blog/hello-png.html
Accept-Language: en-GB,en;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/124.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Mon, 20 May 2024 05:57:00 GMT
strict-transport-security: max-age=31536000; includeSubDomains; preload
last-modified: Sat, 02 May 2020 15:27:19 GMT
server: nginx/1.18.0 (Ubuntu)
etag: "5ead9157-47e"
x-frame-options: deny
content-type: image/x-icon
x-xss2: <script>alert('XSS!');</script>
accept-ranges: bytes
content-length: 1150
x-xss: 0A5BC63E77F1F91B <h1>`whoami`<?php echo 4+4; ?></h1>

Verdicts & Comments Add Verdict or Comment

0 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.

0 Cookies

Cookies are little pieces of information stored in the browser of a user. Whenever a user visits the site again, he will also send his cookie values, thus allowing the website to re-identify him even if he changed locations. This is how permanent logins work.

Security Headers

This page lists any security headers set by the main page. If you want to understand what these mean and how to use them, head on over to this page

Header	Value
Strict-Transport-Security	max-age=31536000; includeSubDomains; preload
X-Frame-Options	deny

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.

www.da.vidbuchanan.co.uk
2a0b:7080:20::1:b343
176edda915d175564c532daa20762732efc08cc6ad6fbc12717ffdb5fd3d3040
3b059c5765c091fd2d05fae5ac6f24d7f926ecfa6e2e1b228134782b5e51eab4
8be932cc46ce8e17f960544db050e7e0f773e5600bbf0859b7447c4b02b3e949
a93ca8ce4770263dbe687b6c80b38abeee7cce10669d6fa343d82a82dab0b1f0
e84cf19648af7c90640eeb336b42bad9f412a0bea11ee9e1a57d55feded6ba25

www.da.vidbuchanan.co.uk Open in urlscan Pro 2a0b:7080:20::1:b343 Public Scan

Summary

urlscan.io Verdict: No classification

Domain & IP information

Screenshot Live screenshot Full Image

Page Title

Page Statistics

3 Requests

100 %HTTPS

100 %IPv6

1 Domains

1 Subdomains

2 IPs

1 Countries

1128 kBTransfer

1510 kBSize

0 Cookies

46 Outgoing links

Redirected requests

3 HTTP transactions Everything HTML Script AJAX CSS Image Expand all 2 data transactions

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Verdicts & Comments Add Verdict or Comment

0 JavaScript Global Variables

0 Cookies

Security Headers

Indicators

www.da.vidbuchanan.co.uk Open in urlscan Pro
2a0b:7080:20::1:b343 Public Scan

Screenshot
Live screenshot

Full Image

3
Requests

100 %
HTTPS

100 %
IPv6

1
Domains

1
Subdomains

2
IPs

1
Countries

1128 kB
Transfer

1510 kB
Size

0
Cookies

3 HTTP transactions
2 data transactions