Pricing

from $3.00 / 1,000 certificate fetcheds

SSL Certificate Transparency Search

Search Certificate Transparency logs via crt.sh to find SSL/TLS certificates for any domain. Enumerate subdomains, monitor certificate issuance, detect unauthorized certs, and audit certificate sprawl. Returns deduplicated subdomains or individual certificate records.

Pricing

from $3.00 / 1,000 certificate fetcheds

Rating

0.0

(0)

Developer

ryan clinton

Actor stats

Bookmarked

Total users

Monthly active users

6 hours ago

Last modified

Categories

Developer tools

SEO tools

Subdomain

subdomain

Optional

Type:string

First Seen

firstSeen

Optional

Type:string

Last Seen

lastSeen

Optional

Type:string

Certificate Count

certificateCount

Optional

Type:integer

Latest Issuer

latestIssuer

Optional

Type:string

Latest Not Before

latestNotBefore

Optional

Type:string

Latest Not After

latestNotAfter

Optional

Type:string

Is Active

isActive

Optional

Type:boolean

crt.sh URL

crtshUrl

Optional

Type:string

Certificate ID

certificateId

Optional

Type:integer

Issuer Name

issuerName

Optional

Type:string

Common Name

commonName

Optional

Type:string

Subject Alternative Names

subjectAlternativeNames

Optional

Type:string[]

Serial Number

serialNumber

Optional

Type:string

Valid From

notBefore

Optional

Type:string

Valid Until

notAfter

Optional

Type:string

Is Expired

isExpired

Optional

Type:boolean

Entry Timestamp

entryTimestamp

Optional

Type:string

Subdomain Finder

automation-lab/subdomain-finder

This actor discovers subdomains by querying certificate transparency logs via crt.sh. It finds all SSL/TLS certificates ever issued for a domain, extracting unique subdomain names. This passive reconnaissance technique requires no direct scanning.

Stas Persiianenko

SSL Certificate Checker

nexgendata/ssl-certificate-checker

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Stephan Corbeil

SSL Certificate Checker

automation-lab/ssl-certificate-checker

SSL Certificate Checker connects to domains over TLS and inspects their SSL certificates. It returns structured data about certificate validity, expiry, issuer chain, TLS protocol version, cipher suite, and a security grade from A+ to F.

Stas Persiianenko

SSL Certificate Checker

rationalistic_counsel/ssl-certificate-checker

J N

SSL Certificate Expiry Monitor

andok/ssl-certificate-monitor

Monitor SSL/TLS certificate validity and expiration dates across thousands of domains to prevent costly outages.

Andok

SSL Certificate Monitor API | Expiry + Issuer Changes

taroyamada/ssl-certificate-monitor

Check SSL/TLS certificates in bulk, detect expiry and issuer changes, and emit alert-ready rows for ops and SEO teams.

太郎山田

SSL Certificate Checker

scrappy_garden/ssl-certificate-checker

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Bikram Adhikari

Website HTTPS & SSL Health Checker

pillowy_travel/website-https-ssl-health-checker

Checks HTTPS availability and SSL certificate health for given URLs

SAHIL KUMAR

5.0

Bulk SSL Certificate Expiry DNS Monitor

logiover/bulk-ssl-certificate-expiry-dns-monitor

Check SSL certificate validity and expiration (days left, issuer, valid from/to) plus DNS A/MX resolution for thousands of domains. Fast, no browser, export-ready JSON/CSV. Ideal for agencies, SEO audits, DevOps monitoring and compliance.