risczero.com

.com crawl

First seen 2026-04-13 · Last seen 2026-05-13 · ok HTTP/1.1 200 299 ms crawled 2026-05-07

US · 216.150.1.1 · AS16509 Amazon.com, Inc.

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title: Universal Zero Knowledge | RISC Zero
Description: Unlock the full potential of ZK on every chain. High-performance, cost-effective, and powered by the leading open-source zkVM.
Language: en-US
Canonical: https://risczero.com

Open Graph

url: https://risczero.com
title: RISC Zero
locale: en_US
site name: RISC Zero
description: Unlock the full potential of ZK on every chain. High-performance, cost-effective, and powered by the leading open-source zkVM.

Technology

CDN: Vercel
CMS: Next.js

Social

Contact

Email

info@risczero.com

Registration

Registrar

Amazon Registrar, Inc.

Created

2022-02-22

Expires

2027-02-22 279 days left

Updated

2026-01-18

Name servers

ns-1316.awsdns-36.org
ns-1739.awsdns-25.co.uk
ns-364.awsdns-45.com
ns-614.awsdns-12.net

DNS records live

NS

ns-1316.awsdns-36.org
ns-1739.awsdns-25.co.uk
ns-364.awsdns-45.com
ns-614.awsdns-12.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

Email authentication strong

SPF

v=spf1 include:_spf.google.com include:44040483.spf05.hubspotemail.net ~all

softfail (~all)

DMARC

v=DMARC1; p=none; rua=mailto:dmarc-reports@risczero.com

policy: none (monitoring only)

DKIM

google: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAnzrk2FuSSHl/JukFMGXHokvhC0vBzbcuFX8lrGXEWwxkVTpxinEDctxcFJHkIUANJqeYTElmGqilNJ…
k2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv2aC2KjGKLOwTweBY5A9RpjsxaBXR9r7OAU6U8/zn92ivImI75naUujWbItRI/QmL1jy5PWGqLwoUA…

selectors probed

Certificate (current)

R12

from 2026-03-26 to 2026-06-24

Expires in 37 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://risczero.com/

present

strict-transport-security

findings

missing Content Security Policy
missing frame protection
missing content type protection
missing Referrer Policy
missing Permissions Policy

Header values

strict-transport-security: max-age=63072000