Domain > www.optkt.cn

More information on this domain is in AlienVault OTX

DNS Resolutions

Date	IP Address
2024-11-07	42.192.42.78 (ClassC)
2025-05-15	124.221.87.87 (ClassC)

HTTP/1.1 200 OKServer: nginxDate: Wed, 24 Jul 2024 22:43:04 GMTContent-Type: text/html; charsetUTF-8Transfer-Encoding: chunkedConnection: keep-aliveVary: Accept-EncodingVary: User-Agent, AcceptAccess-

!DOCTYPE html>html langcn>  head>    meta charsetutf-8>    meta http-equivX-UA-Compatible contentIEedge>    meta nameviewport contentwidthdevice-width, initial-scale1>            title>光学课堂/title>                        meta namedescription content光学设计,视频教程,课程中心,经验分享,行业问答,案例下载的知识付费互动社区 />                meta namekeywords content光学设计,视频教程,Zemax,Codev,Lighttools,镜头,光学视频,Zemax视频,Zemax教程,Zemax中文,Zemax软件 />        meta nameauthor contentwhatsns Team />        meta namecopyright content2019 www.whatsns.com />      meta nameapplicable-device contentpc/>      meta nameversion contentwhatsns问答系统 6.4.7-up2022-11-14 16:29:15/>            link hrefhttps://www.optkt.cn/static/css/widescreen/css/zui.min.css relstylesheet>    link relstylesheet mediaall hrefhttps://www.optkt.cn/static/css/common/animate.min.css />    link relstylesheet mediaall hrefhttps://www.optkt.cn/static/css/widescreen/css/greenzhongchou.css?v1.2 />    link relstylesheet mediaall hrefhttps://www.optkt.cn/static/css/widescreen/css/greencommon.css?v1.2 />    link relstylesheet hrefhttps://www.optkt.cn/static/css/widescreen/css/whatsns.css?v1.2 mediascreen typetext/css>    link relstylesheet mediaall hrefhttps://www.optkt.cn/static/css/widescreen/css/greencustom.css />    link hrefhttps://www.optkt.cn/static/css/static/css/font-awesome/css/font-awesome.css relstylesheet>    link relstylesheet hrefhttps://www.optkt.cn/static/css/widescreen/css/green_main.css?v1.2>    link relstylesheet hrefhttps://www.optkt.cn/static/css/widescreen/css/slider.css>    link relstylesheet hrefhttps://www.optkt.cn/static/css/widescreen/css/basepage.css>    link relstylesheet mediaall hrefhttps://www.optkt.cn/static/css/widescreen/css/flat/index.css />       link hrefhttps://www.optkt.cn/static/css/widescreen/css/kc.css relstylesheet>           link relstylesheet hrefhttps://www.optkt.cn/static/css/widescreen/css/index/css/reset.css>    link relstylesheet hr

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Domain > www.optkt.cn

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DNS Resolutions

Port 80

Port 443