Check-Host.cc

Domain

push.piazza.com

Aggregated from public BGP, CT logs, our scan layer, honeypots and global probes.

Run a live full scan of push.piazza.com

On-demand: ports, banners, TLS, tech-stack, subdomains and origin/IP-leak detection. Results are shared publicly for everyone to link to.

Deep-scan now
Hosting IPs
11
A/AAAA targets
Subdomains
CT + scan + body
Record Types
1
seen in DNS
Observed Certs
5
in our scans

DNS Records

A
AAAA
MX
NS
TXT
CNAME
CAA

WHOIS / Registration

Registration data planned

Registrar, creation/expiry dates and domain status via RDAP. Rolling out gradually — bulk WHOIS is rate-limited, so we resolve on a prioritized cadence.

Subdomains

Subdomain enumeration pending

Every subdomain ever issued a TLS cert under this apex — extracted from Certificate Transparency logs, our own scan observations and body references.

Tech Stack

Tech detection pending

Wappalyzer-rules detect CMS, frameworks, analytics, JS libs and server-side languages on this domain.

TLS Certificates

Subject: piazza.com
Issuer: Amazon RSA 2048 M04
SANs: checkin.piazza.com, earlyaccess.piazza.com, piazza.com, prod-access.piazza.com, prod-task.piazza.com, push.piazza.com, recruiting.piazza.com, talent.piazza.com, www.piazza.com
Subject: piazza.com
Issuer: Amazon RSA 2048 M04
SANs: checkin.piazza.com, earlyaccess.piazza.com, piazza.com, prod-access.piazza.com, prod-task.piazza.com, push.piazza.com, recruiting.piazza.com, talent.piazza.com, www.piazza.com

IPs Citing This Domain

No citing IPs found yet

As the world-sweep progresses, hosts referencing this domain in their HTML will surface here.

Origin / IP-Leak

USP

When a hostname is served behind a CDN (e.g. Cloudflare), the origin server can sometimes be identified by matching its TLS cert against the protected hostname. Findings shown here are heuristic candidates, not guarantees.

No origin-IP leaks detected (yet)

Either this domain doesn't sit behind a CDN, or we haven't seen a TLS cert from a non-CDN IP matching this hostname. Run a fullscan to refresh the cert→IP cross-reference.

CT-Log Evidence

Certificates from public Certificate Transparency logs whose subject or SAN names this domain — including historic certs we never observed live.

a36567a3c45cb2cd… google · xenon2026h2
Subject: piazza.com
Issuer: Amazon RSA 2048 M04
SANs: piazza.com, talent.piazza.com, push.piazza.com, recruiting.piazza.com, www.piazza.com, checkin.piazza.com, prod-access.piazza.com, earlyaccess.piazza.com, prod-task.piazza.com
Valid: 2026-03-17 00:00:00 → 2026-09-30 23:59:59
dce00b0b92688e7e… google · xenon2026h2
Subject: piazza.com
Issuer: Amazon RSA 2048 M04
SANs: piazza.com, talent.piazza.com, push.piazza.com, recruiting.piazza.com, www.piazza.com, checkin.piazza.com, prod-access.piazza.com, earlyaccess.piazza.com, prod-task.piazza.com
Valid: 2026-03-17 00:00:00 → 2026-09-30 23:59:59
dfdbf5bb296581b3… digicert · wyvern2026h2
Subject: piazza.com
Issuer: Amazon RSA 2048 M02
SANs: piazza.com, talent.piazza.com, push.piazza.com, recruiting.piazza.com, www.piazza.com, checkin.piazza.com, prod-access.piazza.com, prod-task.piazza.com
Valid: 2025-07-10 00:00:00 → 2026-08-08 23:59:59

Threat Intelligence

Domain threat-intel pending

Matches in URLhaus, OpenPhish, PhishTank, malware feeds, and Spamhaus DBL.

History

Domain timeline pending

Passive-DNS history accumulates as our forward-DNS crawler observes A/AAAA/MX/NS/TXT records over time.