标签 PostgreSQL , dns , python , gethostname , gethost 背景在数据库中，根据主机名获得IP，根据IP解析主机名。这个功能没有什么花哨，可以通过C函数或者PYTHON函数得到。 src/common/ip.c /* * pg_getnameinfo...

外网域名不可访问虚拟主机，内网域名可以，没有本地host解析，

外网域名不可访问虚拟主机，内网域名可以，没有本地host解析，外网直接IP可访问htdocs目录且正常

企业邮箱常见退信内容Dns，Host/Not found/Bad host/Domain /Unreachable/Sorry, I couldnt find any host named kail.com.cn. (#5.1.2)

共有10条

< 1 >

跳转至： GO

更新时间 2024-02-05 11:17:54

本页面内关键词为智能算法引擎基于机器学习所生成，如有任何问题，可在页面下方点击"联系我们"与我们沟通。

产品推荐

{"optioninfo":{"dynamic":"true","static":"true"},"simplifiedDisplay":"newEdition","newCard":[{"ifIcon":"img","icon":"","iconImg":"https://img.alicdn.com/tfs/TB10Snw3VT7gK0jSZFpXXaTkpXa-200-200.png","contentLink":"https://wanwang.aliyun.com/domain/dns","title":"云解析DNS","des":"云解析DNS（Domain Name System，简称 DNS）是一种快速、安全、稳定、智能的互联网域名解析服务。帮助企业在互联网域名解析管理、域名自动容灾调度和移动终端域名防劫持方面提升用户体验和降低运维难度。","btn1":"产品控制台","link1":"https://dns.console.aliyun.com/ ","btn2":"立即开通","link2":"https://dnsnext.console.aliyun.com/buy","btn3":"产品文档","link3":"https://help.aliyun.com/document_detail/102231.html?spm=5176.71615.7314584430.2.54e75b8eaNzt1e","infoGroup":[{"infoName":"精选活动","infoContent":{"firstContentName":"全系列产品新用户0元试","firstContentLink":"https://www.aliyun.com/activity/dns/dns_freetrial","lastContentName":"","lastContentLink":""}},{"infoName":"产品能力","infoContent":{"firstContentName":"网站、邮箱解析简介","lastContentName":"APP终端防劫持简介","firstContentLink":"https://help.aliyun.com/document_detail/106669.html","lastContentLink":"https://help.aliyun.com/document_detail/171502.html"}},{"infoName":"最佳实践","infoContent":{"firstContentName":"DNS解析平滑迁移","lastContentName":"故障切换场景介绍","firstContentLink":"https://help.aliyun.com/document_detail/97785.html?spm=a2c4g.11186623.6.605.233dccfeRdnNe6","lastContentLink":"https://help.aliyun.com/document_detail/59372.html?spm=a2c4g.11186623.6.607.233dccfeRdnNe6"}},{"infoName":"产品能力","infoContent":{"firstContentName":"全局流量管理简介","lastContentLink":"https://help.aliyun.com/document_detail/375251.html","lastContentName":"中国电信DNS缓存刷新","firstContentLink":"https://help.aliyun.com/document_detail/189587.html"}}]}],"card":[],"search":[],"infoCard":[],"title":{"mainTitle":"云原生助力企业全面拥抱云计算","subtitle":"这是一段副标题介绍，这是一段副标题介绍，这是一段副标题介绍，这是一段副标题介绍，这是一段副标题介绍，这是一段副标题介绍，这是一段副标题介绍。","linkUrl":"#1","btnText":"查看详情"},"visual":{"topbg":"https://img.alicdn.com/tfs/TB14iILhgDqK1RjSZSyXXaxEVXa-286-101.jpg","icon":"aliyun-icon-play","textColor":"light"},"dataList":[{"summary":"云原生助力企业全面拥抱云计算","author":"叔同（阿里巴巴研究员、阿里云原生应用平台负责人）","linksUrl":""}],"sceneCard":[{"title":"云计算试飞员老蒋开课啦！第一期：电商网站搭建","des":"这是一段副标介绍，这是一段副标介绍。这是一段副标介绍，这是一段副标介绍。这是一段副标介绍，这是一段副标介绍。这是一段副标介绍，这是一段副标介绍。","btn":"立即观看","link":"#","image":"https://"}],"txt":[{"title":"适用场景","scenariosone":[{"txtone":"小型电商：支持访问50万PV,一段场景方案的介绍。","txttwo":"产品推荐","product":[{"name":"ECS 2核4G 40G数据盘 5M带宽","link":"#"}]}]}]}

{"$env":{"JSON":{}},"$page":{"env":"production"},"$context":{"optioninfo":{"dynamic":"true","static":"true"},"simplifiedDisplay":"newEdition","newCard":[{"ifIcon":"img","icon":"","iconImg":"https://img.alicdn.com/tfs/TB10Snw3VT7gK0jSZFpXXaTkpXa-200-200.png","contentLink":"https://wanwang.aliyun.com/domain/dns","title":"云解析DNS","des":"云解析DNS（Domain Name System，简称 DNS）是一种快速、安全、稳定、智能的互联网域名解析服务。帮助企业在互联网域名解析管理、域名自动容灾调度和移动终端域名防劫持方面提升用户体验和降低运维难度。","btn1":"产品控制台","link1":"https://dns.console.aliyun.com/ ","btn2":"立即开通","link2":"https://dnsnext.console.aliyun.com/buy","btn3":"产品文档","link3":"https://help.aliyun.com/document_detail/102231.html?spm=5176.71615.7314584430.2.54e75b8eaNzt1e","infoGroup":[{"infoName":"精选活动","infoContent":{"firstContentName":"全系列产品新用户0元试","firstContentLink":"https://www.aliyun.com/activity/dns/dns_freetrial","lastContentName":"","lastContentLink":""}},{"infoName":"产品能力","infoContent":{"firstContentName":"网站、邮箱解析简介","lastContentName":"APP终端防劫持简介","firstContentLink":"https://help.aliyun.com/document_detail/106669.html","lastContentLink":"https://help.aliyun.com/document_detail/171502.html"}},{"infoName":"最佳实践","infoContent":{"firstContentName":"DNS解析平滑迁移","lastContentName":"故障切换场景介绍","firstContentLink":"https://help.aliyun.com/document_detail/97785.html?spm=a2c4g.11186623.6.605.233dccfeRdnNe6","lastContentLink":"https://help.aliyun.com/document_detail/59372.html?spm=a2c4g.11186623.6.607.233dccfeRdnNe6"}},{"infoName":"产品能力","infoContent":{"firstContentName":"全局流量管理简介","lastContentLink":"https://help.aliyun.com/document_detail/375251.html","lastContentName":"中国电信DNS缓存刷新","firstContentLink":"https://help.aliyun.com/document_detail/189587.html"}}]}],"card":[],"search":[],"infoCard":[],"title":{"mainTitle":"云原生助力企业全面拥抱云计算","subtitle":"这是一段副标题介绍，这是一段副标题介绍，这是一段副标题介绍，这是一段副标题介绍，这是一段副标题介绍，这是一段副标题介绍，这是一段副标题介绍。","linkUrl":"#1","btnText":"查看详情"},"visual":{"topbg":"https://img.alicdn.com/tfs/TB14iILhgDqK1RjSZSyXXaxEVXa-286-101.jpg","icon":"aliyun-icon-play","textColor":"light"},"dataList":[{"summary":"云原生助力企业全面拥抱云计算","author":"叔同（阿里巴巴研究员、阿里云原生应用平台负责人）","linksUrl":""}],"sceneCard":[{"title":"云计算试飞员老蒋开课啦！第一期：电商网站搭建","des":"这是一段副标介绍，这是一段副标介绍。这是一段副标介绍，这是一段副标介绍。这是一段副标介绍，这是一段副标介绍。这是一段副标介绍，这是一段副标介绍。","btn":"立即观看","link":"#","image":"https://"}],"txt":[{"title":"适用场景","scenariosone":[{"txtone":"小型电商：支持访问50万PV,一段场景方案的介绍。","txttwo":"产品推荐","product":[{"name":"ECS 2核4G 40G数据盘 5M带宽","link":"#"}]}]}]}}