piazza.com

HTML metadata

Title: Piazza • Ask. Answer. Explore. Whenever.
Description: Piazza is a free online gathering place where students can ask, answer, and explore 24/7, under the guidance of their instructors. Students as well as instructors can answer questions, fueling a healthy, collaborative discussion.
Language: en-US

Open Graph

url: http://www.piazza.com
title: Piazza • Ask. Answer. Explore. Whenever.
description: With Piazza, easily answer questions, manage course materials, and track student participation. It'll save you time, and your students will love using it. It's free, and easy to get started.

Technology

Server: nginx

Third-party hosts loaded (1)

kit.fontawesome.com×1

Social

Contact

Email

team@piazza.com

Registration

Registrar

GoDaddy.com, LLC

Created

2001-12-09

Expires

2028-12-09 935 days left

Updated

2022-09-09

Name servers

ns-1360.awsdns-42.org
ns-1868.awsdns-41.co.uk
ns-74.awsdns-09.com
ns-987.awsdns-59.net

DNS records live

NS

ns-1360.awsdns-42.org
ns-1868.awsdns-41.co.uk
ns-74.awsdns-09.com
ns-987.awsdns-59.net

MX

10 piazza-com.mail.protection.outlook.com

TXT

apple-domain-verification=NvgAGTreJ9br6TT3
google-site-verification=vP_7vShksrvqA6VobTihMByOMO-jlUzs59fLoyKIrQU

Email authentication strong

SPF

v=spf1 a mx include:u5126.wl127.sendgrid.net include:spf.protection.outlook.com include:amazonses.com -all

strict (-all)

DMARC

v=DMARC1; p=quarantine; adkim=r; rua=mailto:dmarc@piazza.com; ruf=mailto:dmarc@piazza.com; fo=1

policy: quarantine

DKIM

selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA4UZvaAEE4Eg4nEUPfUiB9BEXGWxb4AWcwaEzkdExTff09WHoYWWskrhEhBdvT4vIpicwsuDTDAliBN…
selector2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqTV93UhGVhmWmW9qnDRQQV3DuZh2rrLW/j4SjKATr1F/vI2jKFc6A9M/sOJwyOF/jP5MNi9IJSyqub…
s1: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA1fGqzLz/mTLlt2jLfl4A6lqbp/oOQg+3tUUvQlicUR/dwOv819bUA2CyBydeytdDDagRf0Kz1hSpH1N3cF…
s2: k=rsa; t=s; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDPJcT1AYRtRs7H1VMGMQ/+2/x/BadN0uEfCVIl5wg3vjAZxfdZaSJSK/sZtq0i+rv69LJu+iKG+im2t5Nd10Eu1i…
smtpapi: k=rsa; t=s; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDPtW5iwpXVPiH5FzJ7Nrl8USzuY9zqqzjE0D1r04xDN6qwziDnmgcFNNfMewVKN2D1O+2J9N14hRprzByFwfQW76…

selectors probed

Certificate (current)

Amazon RSA 2048 M04

from 2026-03-17 to 2026-10-01

Expires in 135 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 60/100 Checked live page: https://piazza.com/

present

strict-transport-security
content-security-policy-report-only
x-content-type-options
referrer-policy

findings

short HSTS max-age
missing Content Security Policy
missing frame protection
missing Permissions Policy

Header values

referrer-policy: strict-origin-when-cross-origin
x-content-type-options: nosniff
strict-transport-security: max-age=86400
content-security-policy-report-only: default-src 'self'; script-src 'self' 'unsafe-eval' 'unsafe-inline' blob: dvngeac8rg9mb.cloudfront.net js.stripe.com www.gstatic.com *.googleapis.com ws.zoominfo.com www.google.com www.googletagmanager.com compilers.widgets.sphere-engine.com kit.fontawesome.com d34s7xanp5e5sf.cloudfront.net; connect-src 'self' api.stripe.com *.googleapis.com *.fontawesome.com wss://push.piazza.com; img-src 'self' data: http: https:; object-src 'none'; font-src 'self' data: *.typekit.net *.gstatic.com *.fontawesome.com; style-src 'self' 'unsafe-inline' blob: *.typekit.net *.gstatic.com *.googleapis.com dvngeac8rg9mb.cloudfront.net; frame-src 'self' www.youtube.com www.youtube-nocookie.com www.vimeo.com player.vimeo.com www.facebook.com youtu.be gfycat.com www.google.com giphy.com docs.google.com calendar.google.com www.desmos.com www.geogebra.org js.stripe.com; report-uri /security/csp_report