dev.to/tag/security· Oct 4, 2026· by ambolt

Check SSL certificates and domain expiry for a whole list of domains

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An expired certificate or a lapsed domain takes a site down at the worst time, and it is almost always avoidable. If you look after more than a handful of domains, the useful question is not "what are the details for each?" but "which ones need attention this month?". curl "https://api.ambolt.dev/v1/domain-ssl-sweep?domain=sitemaps.org&warnDays=30&free=1" The answer has a summary and one result per domain: { "checked": 1, "readable": 1, "flagged": 0, "warnDays": 30, "results": [ { "domain": "sit
🎯 Vulnerability: Web Security Vulnerability
💡 Defense Fix: Implement strict input validation, contextual output encoding, and enforce least-privilege authorization controls.
#api#devops#security#webdev