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Tools / DNS Domain / Use Cases / Verify SSL Certificate Setup

Verify SSL Certificate Setup

Check SSL certificate validity, expiration dates, and chain configuration for your domains.

Tool
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DNS Domain

An expired or misconfigured SSL certificate breaks your site for every visitor with a scary browser warning. Certificate issues also break API integrations, webhook deliveries, and automated systems that validate certificates strictly. These outages are entirely preventable with regular checks.

The check_ssl skill verifies your SSL certificate is valid, properly chained, and not approaching expiration. It reports the certificate issuer, expiration date, supported protocols, and any chain issues that could cause problems in specific browsers or environments.

Agent Guides

Claude

  1. Connect ToolRouter: claude mcp add toolrouter -- npx -y toolrouter-mcp
  2. Ask Claude: "Check the SSL certificate for example.com using dns-domain"
  3. Claude runs check_ssl and returns certificate details including expiry and chain status
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ChatGPT

  1. Configure ToolRouter in ChatGPT
  2. Ask: "Check the SSL certificate for example.com"
  3. ChatGPT returns certificate details and flags any issues
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Copilot

  1. Add ToolRouter to Copilot MCP config
  2. In Copilot Chat: "Check SSL certificates for our production and staging domains"
  3. Copilot returns certificate details and expiration dates
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OpenClaw

  1. Connect ToolRouter: openclaw mcp add toolrouter -- npx -y toolrouter-mcp
  2. Ask OpenClaw: "Check the SSL certificate for example.com"
  3. OpenClaw returns certificate validity, expiry date, and chain status
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Related Workflows

Domain Acquisition ResearchResearch domain acquisition opportunities by searching availability, checking ownership, examining DNS, and reviewing domain history.Website Migration AuditPrepare for website migration by crawling the current site, documenting SEO baselines, benchmarking performance, and recording DNS configuration.SSL and DNS AuditAudit SSL certificates, DNS configuration, HTTP security headers, and domain registration for security gaps.Subdomain Security ScanEnumerate subdomains, probe services, scan for takeover vulnerabilities, and capture visual evidence.Infrastructure Health CheckVerify DNS resolution, service availability, and server locations to ensure infrastructure is healthy and correctly configured.Domain Intelligence ReportBuild a comprehensive intelligence report on any domain using WHOIS, DNS, geolocation, and web archive data.Network ReconnaissanceMap the complete network attack surface through DNS enumeration, geolocation, service probing, and attack vector analysis.Incident Response ToolkitInvestigate security incidents by verifying DNS integrity, scanning for compromise indicators, and researching threat intelligence.Certificate MonitoringMonitor SSL/TLS certificates for expiration, verify TLS configuration, and confirm domain ownership alignment.Phishing Infrastructure AnalysisInvestigate suspected phishing domains through registration analysis, DNS inspection, geolocation, and evidence capture.Cloud Security AuditAudit cloud infrastructure by discovering assets, probing for misconfigurations, testing cloud-specific attacks, and checking CVEs.Pre-Acquisition Domain AuditAudit a domain before purchase by reviewing registration history, DNS state, web archive history, and SEO reputation.Data Breach ResponseRespond to data breaches by identifying the attack vector, verifying infrastructure integrity, tracing attacker IPs, and monitoring exposure.Continuous Security MonitoringMaintain ongoing security visibility through DNS monitoring, service probing, vulnerability scanning, and CVE tracking.