Submitted URL: https://captcha-a16z.com/#ce
Effective URL: https://captcha-a16z.com/
Submission Tags: 0xscam
Submission: On November 17 via api from US — Scanned from DE

Summary

This website contacted 3 IPs in 2 countries across 3 domains to perform 7 HTTP transactions. The main IP is 2606:4700:3037::6815:1244, located in United States and belongs to CLOUDFLARENET, US. The main domain is captcha-a16z.com.
TLS certificate: Issued by WE1 on November 17th 2024. Valid for: 3 months.
This is the only time captcha-a16z.com was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
1 5 2606:4700:303... 13335 (CLOUDFLAR...)
1 2a00:1450:400... 15169 (GOOGLE)
2 2a00:1450:400... 15169 (GOOGLE)
7 3
Apex Domain
Subdomains
Transfer
5 captcha-a16z.com
captcha-a16z.com
12 KB
2 gstatic.com
fonts.gstatic.com
36 KB
1 googleapis.com
fonts.googleapis.com — Cisco Umbrella Rank: 29
2 KB
7 3
Domain Requested by
5 captcha-a16z.com 1 redirects captcha-a16z.com
2 fonts.gstatic.com fonts.googleapis.com
1 fonts.googleapis.com captcha-a16z.com
7 3

This site contains no links.

Subject Issuer Validity Valid
captcha-a16z.com
WE1
2024-11-17 -
2025-02-15
3 months crt.sh
upload.video.google.com
WR2
2024-10-21 -
2025-01-13
3 months crt.sh
*.gstatic.com
WR2
2024-10-21 -
2025-01-13
3 months crt.sh

This page contains 2 frames:

Primary Page: https://captcha-a16z.com/
Frame ID: 18564B1A8676D92B3310DE331C6E7916
Requests: 5 HTTP requests in this frame

Frame: https://captcha-a16z.com/cdn-cgi/challenge-platform/h/b/scripts/jsd/22755d9a86c9/main.js
Frame ID: 9F7D7F82D6D6EECA30C2096F2A53A7B6
Requests: 2 HTTP requests in this frame

Screenshot

Page Title

Page Not Found | 404

Page Statistics

7
Requests

86 %
HTTPS

100 %
IPv6

3
Domains

3
Subdomains

3
IPs

2
Countries

49 kB
Transfer

89 kB
Size

1
Cookies

Redirected requests

There were HTTP redirect chains for the following requests:

Request Chain 3
  • https://captcha-a16z.com/cdn-cgi/challenge-platform/scripts/jsd/main.js HTTP 302
  • https://captcha-a16z.com/cdn-cgi/challenge-platform/h/b/scripts/jsd/22755d9a86c9/main.js

7 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Primary Request /
captcha-a16z.com/
1 KB
1 KB
Document
General
Full URL
https://captcha-a16z.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3037::6815:1244 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare / Express
Resource Hash
ddce96b9265591ab25f1dc994b2244c1ca4d7340f749a98badc69a5d3bca891f

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36

Response headers

alt-svc
h3=":443"; ma=86400
cf-cache-status
DYNAMIC
cf-ray
8e3d3241ac1a3641-FRA
content-encoding
zstd
content-type
text/html; charset=utf-8
date
Sun, 17 Nov 2024 05:07:17 GMT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=weBCr3gFOcMRkSRFMD%2By0RT8qnN4RPzyY7HI6sHS1JUN%2B4LSUYxLnbzrNiyh1eDiO6ee0BlXMG1PbJuIGNiyNhQJxA0g7krwvEZDoxrwST8PMA2KUFrUSB%2FpWCG4mV6KZiKUHWFdbPVmxWunVHDh"}],"group":"cf-nel","max_age":604800}
server
cloudflare
server-timing
cfL4;desc="?proto=TCP&rtt=6009&sent=8&recv=12&lost=0&retrans=0&sent_bytes=3903&recv_bytes=2288&delivery_rate=654294&cwnd=253&unsent_bytes=0&cid=a288beee2080cdb3&ts=322&x=0"
x-powered-by
Express
css2
fonts.googleapis.com/
28 KB
2 KB
Stylesheet
General
Full URL
https://fonts.googleapis.com/css2?family=Roboto:ital,wght@0,100;0,300;0,400;0,500;0,700;0,900;1,100;1,300;1,400;1,500;1,700;1,900&display=swap
Requested by
Host: captcha-a16z.com
URL: https://captcha-a16z.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:80b::200a Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
ESF /
Resource Hash
29d4588a29dc099cd87a7eb2f0c5b40e595bce81406e2622bd46411510e2a62f
Security Headers
Name Value
Strict-Transport-Security max-age=31536000
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 0

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer
https://captcha-a16z.com/

Response headers

content-encoding
gzip
x-content-type-options
nosniff
expires
Sun, 17 Nov 2024 05:07:17 GMT
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
date
Sun, 17 Nov 2024 05:07:17 GMT
content-type
text/css; charset=utf-8
vary
Sec-Fetch-Dest, Sec-Fetch-Mode, Sec-Fetch-Site
last-modified
Sun, 17 Nov 2024 04:34:44 GMT
x-frame-options
SAMEORIGIN
strict-transport-security
max-age=31536000
link
<https://fonts.gstatic.com>; rel=preconnect; crossorigin
cache-control
private, max-age=86400, stale-while-revalidate=604800
timing-allow-origin
*
cross-origin-opener-policy
same-origin-allow-popups
cross-origin-resource-policy
cross-origin
access-control-allow-origin
*
x-xss-protection
0
server
ESF
KFOlCnqEu92Fr1MmWUlfBBc4.woff2
fonts.gstatic.com/s/roboto/v32/
18 KB
18 KB
Font
General
Full URL
https://fonts.gstatic.com/s/roboto/v32/KFOlCnqEu92Fr1MmWUlfBBc4.woff2
Requested by
Host: fonts.googleapis.com
URL: https://fonts.googleapis.com/css2?family=Roboto:ital,wght@0,100;0,300;0,400;0,500;0,700;0,900;1,100;1,300;1,400;1,500;1,700;1,900&display=swap
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2a00:1450:4001:812::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
d9bada3a44bb2ffa66dec5cc781cafc9ef17ed876cd9b0c5f7ef18228b63cebb
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Origin
https://captcha-a16z.com
Referer
https://fonts.googleapis.com/

Response headers

age
444272
report-to
{"group":"apps-themes","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/apps-themes"}]}
x-content-type-options
nosniff
expires
Wed, 12 Nov 2025 01:42:45 GMT
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
date
Tue, 12 Nov 2024 01:42:45 GMT
last-modified
Thu, 01 Aug 2024 20:41:21 GMT
content-type
font/woff2
cache-control
public, max-age=31536000
timing-allow-origin
*
cross-origin-opener-policy
same-origin; report-to="apps-themes"
cross-origin-resource-policy
cross-origin
content-security-policy-report-only
require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/apps-themes
accept-ranges
bytes
access-control-allow-origin
*
content-length
18596
x-xss-protection
0
server
sffe
KFOmCnqEu92Fr1Mu4mxK.woff2
fonts.gstatic.com/s/roboto/v32/
18 KB
18 KB
Font
General
Full URL
https://fonts.gstatic.com/s/roboto/v32/KFOmCnqEu92Fr1Mu4mxK.woff2
Requested by
Host: fonts.googleapis.com
URL: https://fonts.googleapis.com/css2?family=Roboto:ital,wght@0,100;0,300;0,400;0,500;0,700;0,900;1,100;1,300;1,400;1,500;1,700;1,900&display=swap
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2a00:1450:4001:812::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
89978e658e840b927dddb5cb3a835c7d8526ece79933bd9f3096b301fe1a8571
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Origin
https://captcha-a16z.com
Referer
https://fonts.googleapis.com/

Response headers

age
402515
report-to
{"group":"apps-themes","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/apps-themes"}]}
x-content-type-options
nosniff
expires
Wed, 12 Nov 2025 13:18:42 GMT
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
date
Tue, 12 Nov 2024 13:18:42 GMT
last-modified
Thu, 01 Aug 2024 20:41:24 GMT
content-type
font/woff2
cache-control
public, max-age=31536000
timing-allow-origin
*
cross-origin-opener-policy
same-origin; report-to="apps-themes"
cross-origin-resource-policy
cross-origin
content-security-policy-report-only
require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/apps-themes
accept-ranges
bytes
access-control-allow-origin
*
content-length
18536
x-xss-protection
0
server
sffe
main.js
captcha-a16z.com/cdn-cgi/challenge-platform/h/b/scripts/jsd/22755d9a86c9/ Frame 9F7D
Redirect Chain
  • https://captcha-a16z.com/cdn-cgi/challenge-platform/scripts/jsd/main.js
  • https://captcha-a16z.com/cdn-cgi/challenge-platform/h/b/scripts/jsd/22755d9a86c9/main.js?
8 KB
4 KB
Script
General
Full URL
https://captcha-a16z.com/cdn-cgi/challenge-platform/h/b/scripts/jsd/22755d9a86c9/main.js?
Requested by
Host: captcha-a16z.com
URL: https://captcha-a16z.com/
Protocol
H3
Server
2606:4700:3037::6815:1244 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
d8df07902a7cb58c25b764d3290bf1157ff882b7e91fbbddb904f8e9f8a91e56
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer

Response headers

cache-control
max-age=14400, stale-if-error=10800, stale-while-revalidate=10800, public
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
content-encoding
zstd
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=TzUodv1YJ7ZC%2Fp0n%2F1KvvGGy%2Fv%2BQ7VnyFBxgtHFIiI9skaC19kZAwfEnFicTyQ%2FgJQCSYRj76ocXojcdbRUMnzDu4fsRUzUV5BBu1yCUQs3ObCAlCFOS%2B4CilxefuQQ32B872O6gEU80HduOeBeY"}],"group":"cf-nel","max_age":604800}
x-content-type-options
nosniff
cf-ray
8e3d3244a933d0b7-CDG
alt-svc
h3=":443"; ma=86400
server-timing
cfL4;desc="?proto=QUIC&rtt=23239&sent=14&recv=11&lost=0&retrans=0&sent_bytes=4939&recv_bytes=4602&delivery_rate=26725&cwnd=12000&unsent_bytes=0&cid=9181a2ca653c0716&ts=496&x=1", cfExtPri, cfHdrFlush;dur=0
date
Sun, 17 Nov 2024 05:07:17 GMT
content-type
application/javascript; charset=UTF-8
vary
Accept-Encoding
server
cloudflare
priority
u=3,i=?0

Redirect headers

cache-control
max-age=300, stale-if-error=10800, stale-while-revalidate=10800, public
location
/cdn-cgi/challenge-platform/h/b/scripts/jsd/22755d9a86c9/main.js?
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=eD2A4RYOwTUZco25gu5Czt8yooitXMlb59kbFiITJT%2Ft%2FQVUvjqgowtx7bsP7mTZ8FsKuGMMDzAAyEB2hjOOVpG7A5gU7bUgjDHL0MtYksK2KiZjA2JNzgHOnmyOeuuNyVCn7IDehCniI4r9NIew"}],"group":"cf-nel","max_age":604800}
cf-ray
8e3d324478ffd0b7-CDG
access-control-allow-origin
*
alt-svc
h3=":443"; ma=86400
content-length
0
server-timing
cfL4;desc="?proto=QUIC&rtt=22807&sent=12&recv=10&lost=0&retrans=0&sent_bytes=4172&recv_bytes=4314&delivery_rate=588&cwnd=12000&unsent_bytes=0&cid=9181a2ca653c0716&ts=468&x=1", cfExtPri, cfHdrFlush;dur=0
date
Sun, 17 Nov 2024 05:07:17 GMT
vary
Accept-Encoding
server
cloudflare
priority
u=3,i=?0
8e3d3241ac1a3641
captcha-a16z.com/cdn-cgi/challenge-platform/h/b/jsd/r/ Frame 9F7D
0
1 KB
XHR
General
Full URL
https://captcha-a16z.com/cdn-cgi/challenge-platform/h/b/jsd/r/8e3d3241ac1a3641
Requested by
Host: captcha-a16z.com
URL: https://captcha-a16z.com/cdn-cgi/challenge-platform/scripts/jsd/main.js
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700:3037::6815:1244 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Content-Type
application/json
Referer

Response headers

nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=GksN1DRqFapGIrnCvAcKcvcQh7o6Ft6CL5DrDbpb2X31wnrR8EDUsCOU1lCXix4B8Ofg2frOMV35pJOxZFVJQXwlYyZ5GKQE9uRacRPYMDDSRnvR0zfBP4dB0Q8JAsGMsHMHzV05SoEpOPM2e5kq"}],"group":"cf-nel","max_age":604800}
cf-ray
8e3d32456a37d0b7-CDG
alt-svc
h3=":443"; ma=86400
server-timing
cfL4;desc="?proto=QUIC&rtt=23878&sent=24&recv=29&lost=0&retrans=0&sent_bytes=9725&recv_bytes=22128&delivery_rate=179221&cwnd=12000&unsent_bytes=0&cid=9181a2ca653c0716&ts=622&x=1", cfExtPri, cfHdrFlush;dur=0
content-length
0
date
Sun, 17 Nov 2024 05:07:17 GMT
content-type
text/plain; charset=UTF-8
server
cloudflare
priority
u=1,i
favicon.ico
captcha-a16z.com/
15 KB
4 KB
Other
General
Full URL
https://captcha-a16z.com/favicon.ico
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700:3037::6815:1244 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare / Express
Resource Hash
be7bd9cae78f261bd17168d981b1603b5fa46b0ed1b6873deb71fb48a4aca6bb

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer
https://captcha-a16z.com/

Response headers

content-encoding
zstd
cf-cache-status
MISS
etag
W/"3c2e-18b4f6234b0"
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=VG50Q6%2FDYfGLydvkjQpiIY%2BtJjVEDd8iTqHswhoUWs06wxBcXDj3KJzgPTdeawfyIDlEyeIKRMA8%2BKdZUPzMOwOXsQzFUv2kyGsssH3PNI1NarbDRdyFLD6MKszOJhPDCLB3F4JGBUObQUYPApbG"}],"group":"cf-nel","max_age":604800}
alt-svc
h3=":443"; ma=86400
server-timing
cfL4;desc="?proto=QUIC&rtt=25903&sent=25&recv=30&lost=0&retrans=0&sent_bytes=10900&recv_bytes=22172&delivery_rate=18056&cwnd=12000&unsent_bytes=0&cid=9181a2ca653c0716&ts=1045&x=1", cfExtPri, cfHdrFlush;dur=0
date
Sun, 17 Nov 2024 05:07:18 GMT
content-type
image/x-icon
vary
Accept-Encoding
last-modified
Fri, 20 Oct 2023 23:18:38 GMT
priority
u=1,i
cache-control
public, max-age=14400
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
cf-ray
8e3d32456a48d0b7-CDG
x-powered-by
Express
server
cloudflare

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.

object| 0

1 Cookies

Domain/Path Name / Value
.captcha-a16z.com/ Name: cf_clearance
Value: fTtJauLqtdYh_YpILUbmeuBuiH54QF8GT_6h1H1iHAo-1731820037-1.2.1.1-yvryGTLSWQkAL41G_.5HdEH6Zo6.xzY4x1u_rZwtIH6zLkuK.MeqXH62yewwnJLjFKvCoITWTDXTkZnisdegMd86dbiL81S5SMfCS9h4DIMnqzYeOgxthqw9z_vMVbI_A0hwJSDy0KpCs4W7tYrGtX99v4pacUEHJeyNixEddIB.T.M8PH7WZpbornDOas0I5aNw5dwEjeDJsqndmTAeYznLmbbhvN6KDv74P5JABEpveq6eLsCEdD.FwA628Wce40OUMfA3gfxWaXq0_GjAHB58fzZOPrafsu4am9GAuQfezWlgApb8HzK4tKjh1nSQw3S.Yq_yZ.gOoxJ2kyq0xCfqc47R6FY7bnP.wIvEyztVUiwlXpNVLJ.HWmancqzK