New AI Incident Response, Multi-Region Agents, and Custom-Domain Status Pages — May 2026
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Free DevOps & SRE Tools

Check service health, test SSL security, look up DNS records, calculate SLA, and more, all free, no signup required.

SSL Security Test

Deep SSL/TLS audit with A+ grading, cipher analysis, vulnerability testing, and security header checks.

Status Checker

Check if any website or cloud service is up or down right now with real-time status detection.

DNS Lookup

Look up A, AAAA, MX, NS, TXT, CNAME, and SOA records for any domain instantly.

WHOIS Lookup

Look up domain registration, registrar, creation date, expiry, and nameserver information.

Response Time

Measure HTTP response time, TTFB, DNS resolution, and TLS handshake for any URL.

SLA Calculator

Convert SLA uptime percentages to allowed downtime per day, week, month, and year.

Downtime Calculator

Calculate the financial cost of downtime based on your revenue, team size, and SLA penalties.

Status Badges

Live status SVG badges you can drop into a README or status page.

Outage Map

Live internet outage map showing real-time disruptions and service degradations worldwide.

Built for DevOps, SRE, and Security Teams

These tools are built by the team behind ServiceAlert.ai, a platform that monitors 2,321+ cloud services and alerts teams when things break. Every tool is free to use with no account required.

Need continuous monitoring instead of one-off checks? See our plans for automated uptime monitoring, SSL certificate lifecycle, and real-time alerting across email, Slack, Teams, Discord, and webhooks.