域名监控
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域名监控是对域名注册状态、DNS配置、WHOIS数据和SSL证书有效性的持续监测,用于发现计划外的变更或即将到期的情况。监控服务定期(有时每隔几分钟)轮询这些数据源,当检测到异常时触发[[domain-alert|域名提醒]],例如[[nameserver|域名服务器]]发生变更、注册人联系方式被修改或SSL证书即将失效。拥有大型组合的企业通常依赖专用监控平台,这些平台可汇总数百个域名的状态并与事件管理系统集成,确保快速响应。
示例
A monitoring service detects that your domain's nameservers changed from ns1.registrar.com to an unknown host at 3 a.m. and immediately pages your on-call engineer via PagerDuty.