indexo.dev

code4rena.com

.com crawl

First seen 2026-04-19 · Last seen 2026-05-13 · ok HTTP/1.1 200 6623 ms crawled 2026-05-13

US · 44.194.182.164 · AS14618 Amazon.com, Inc.

Reputation 100/100

Classifying

HTML metadata

Title
Code4rena | Keeping high severity bugs out of production
Description
Top auditors compete to keep high severity bugs out of production. Start a public or private audit within 48 hours.
Language
en

Open Graph

title
Code4rena
site name
Code4rena
description
Code4rena is a competitive audit platform that finds more high-severity vulnerabilities, more quickly than any other auditing method.

Technology

CMS
Next.js

Social

Registration

Registrar
1API GmbH
Created
2021-05-27
Expires
2031-05-27 1833 days left
Updated
2025-11-23
Name servers
  • ns-1483.awsdns-57.org
  • ns-1781.awsdns-30.co.uk
  • ns-279.awsdns-34.com
  • ns-574.awsdns-07.net

DNS records live

NS
  • ns-1483.awsdns-57.org
  • ns-1781.awsdns-30.co.uk
  • ns-279.awsdns-34.com
  • ns-574.awsdns-07.net
MX
  • 1 aspmx.l.google.com
  • 10 alt3.aspmx.l.google.com
  • 10 alt4.aspmx.l.google.com
  • 5 alt1.aspmx.l.google.com
  • 5 alt2.aspmx.l.google.com
TXT
Show 8 TXT records
  • wallet-connect-dns-verification=c75cfc29819787426eb49b1a6386f917f45b39bd7439f6674165ed33f7458b93
  • MS=ms68297260
  • anthropic-domain-verification-hgsb1m=Z40sf6M8XPfbhKY4DjjMJxgCM
  • apple-domain-verification=bSLL87mM7TwazyWc
  • google-site-verification=tSVA7Wsy8Lt65y5yM_xiKy5sOC7UPhvrNfZbyqt9ylA
  • have-i-been-pwned-verification=dweb_jy9nrqwiuikvd5iroec5gbta
  • openai-domain-verification=dv-yqAkuMsKLvZyVYMHEIB8cZrl
  • rippling-domain-verification=c36f1f647ee54820

Email authentication strong

SPF
v=spf1 include:_spf.google.com ~all
softfail (~all)
DMARC
v=DMARC1; p=quarantine; ruf=mailto:security@code4rena.com
policy: quarantine
DKIM
  • google: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAoP6jJb7Te4P34zMzqN9LMIyJrKOCxpD42vARlh7zDAbGKsTxgasaB/+YwAqXFaF2CSr0CPP7suxkyM…
selectors probed

Certificate (current)

Amazon RSA 2048 M04
from 2025-12-23 to 2027-01-22
Expires in 247 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 90/100 Checked live page: https://code4rena.com/

present
  • strict-transport-security
  • content-security-policy
  • x-frame-options
  • x-content-type-options
  • referrer-policy
  • permissions-policy
findings
  • CSP allows unsafe inline scripts/styles
  • CSP uses wildcard sources
Header values
referrer-policy
strict-origin-when-cross-origin
x-frame-options
DENY
permissions-policy
camera=(), microphone=(), geolocation=(), browsing-topics=()
x-content-type-options
nosniff
content-security-policy
default-src 'self'; script-src 'self' 'wasm-unsafe-eval'; script-src-elem 'self' 'unsafe-inline' https://js.hcaptcha.com/1/api.js https://newassets.hcaptcha.com https://cdn.usefathom.com/script.js https://tally.so/widgets/embed.js; connect-src 'self' https://api.code4rena.com https://api-v1.code4rena.com wss: pusher.com *.pusher.com https://api.web3modal.org/appkit/v1/project-limits https://pulse.walletconnect.org/batch https://www.walletlink.org/events https://cdn.usefathom.com https://eth-sepolia.g.alchemy.com https://eth-mainnet.g.alchemy.com https://*.zkpassport.id data: https://crs.aztec.network https://crs.aztec-cdn.foundation https://crs.aztec-labs.com https://eth.merkle.io https://eth.drpc.org https://ethereum-rpc.publicnode.com https://1rpc.io/eth https://0xrpc.io/eth; style-src 'self' 'unsafe-inline'; font-src 'self' data: fonts.gstatic.com ; img-src 'self' data: blob: https://api-v1.code4rena.com storage.googleapis.com code4-api-v0-public-storage.s3.us-east-1.amazonaws.com c
strict-transport-security
max-age=63072000; includeSubDomains; preload

Links to (2)

Linked from (4)