SSL and domain monitoring

Easy and reliable monitoring solution
For free

Up to 100 SSL certs and domains
Useful website tools
6 notification integrations

SSL and domain monitoring

Control up to 100 SSL certificate and domain expiration - for free!

SSL monitoring

SSL certificate monitoring is crucial for maintaining secure data transmission and protecting sensitive customer information. Regular monitoring prevents certificate expiry that can lead to security warnings, reduced visitor trust, and potential loss of business credibility. Proactive SSL monitoring ensures compliance with security standards and uninterrupted HTTPS availability.

Domain monitoring

Monitoring domain expiration ensures continuous website accessibility, preventing unexpected downtime due to domain expiry. It protects your brand reputation by avoiding potential loss of customers and business opportunities. Additionally, timely renewal safeguards your online presence from cybersquatters who may exploit expired domains.

15 useful tools

Web utility tools. Fast, reliable and easy to use.

DNS Lookup

Find A, AAAA, CNAME, MX, NS, TXT, SOA DNS records of a host.

IP Lookup

Get approximate IP details.

SSL Lookup

Get all possible details about an SSL certificate.

Whois Lookup

Get all possible details about a domain name.

Website text extractor

Extract all the text of a website from the source code of the page.

TTFB checker

Verify the time to first byte of any website.

Website page size checker

Check the total size of a web page, including all resources, for performance analysis.

Meta tags checker

Get & verify the meta tags of any website.

Website hosting checker

Get the web-host of a given website.

HTTP headers lookup

Get all the HTTP headers that an URL returns for a typical GET request.

HTTP/2 Checker

Check whether a website is using the new HTTP/2 protocol or not.

Google cache checker

Check if the URL is cached or not by Google.

URL redirect checker

Check for 301 & 302 redirects of a specific URL. It will check for up to 10 redirects.

Reverse IP Lookup

Take an IP and try to look for the domain/host associated with it.

Brotli Checker

Check whether a website is using the Brotli Compression algorithm or not.

Get notified with ease

Countless notification integrations for all your needs.

Slack

Discord

Microsoft Teams

X tweet

API system

Developer ready

Fully featured & easy to use API system for developers.

API Documentation

curl --request POST \
--url 'https://sslstate.com/api/domain-names' \
--header 'Authorization: Bearer {api_key}' \
--header 'Content-Type: multipart/form-data' \
--form 'name=Example' \
--form 'target=https://example.com/' \

Answers for your common questions

Our service is free because Let's Encrypt has stopped sending certificate expiration reminders, and our mission is to promote HTTPS encryption across the internet. Providing a free monitoring tool helps ensure that everyone can maintain secure websites without barriers and make sure your SSL will not expire. You can read more here.

We automatically check your domain and SSL certificates daily. If we detect an issue or an upcoming expiration, we'll immediately notify you via configured notification handler, giving you ample time to renew or fix any problems.

Yes, you can add and monitor multiple domains and SSL certificates from a single account. You can add up to 100 domains you can monitor, allowing you complete flexibility. Do you need more? Please contact us.

Yes, for this moment we can share with you up to 6 different channels. Email, Slack, Discord, X (Twitter), Microsoft Teams or Telegram.

Not enough?

We have some paid services - let's check it out!

VirtualEyes

VirtualEyes.io is a platform designed for monitoring websites, servers, cron jobs, DNS records, and domains. It offers features such as uptime tracking, server resource monitoring, SSL certificate and domain expiration alerts, and diagnostic tools like DNS lookup and SSL checks. Users can receive notifications via email, Slack, Discord, Telegram, and other channels, ensuring timely awareness of issues. The platform also supports incident management and provides customizable status pages for transparent data presentation.

SSL and domain monitoring