check web redirect url status code checker

Check server response of

Server response
NS records
Whois domain
Response headers
Request headers
Raw HTML code
200 OK - rr4j.com
HTTP Status: 200
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])
Server: nginx/1.14.0
Date: Tue, 13 May 2025 16:47:38 GMT
Content-Type: text/html
Transfer-Encoding: chunked
Connection: keep-alive
Last-Modified: Wed, 02 Apr 2025 08:25:44 GMT
Accept-Ranges: bytes
Content-Language: zh-CN

HTTP Code 200 OK

200 OK is a standard successful HTTP server response. It means that the client’s request (e.g., from a browser) was successfully processed, and the server is delivering the requested data.

When is Code 200 used?

  • When loading a web page
  • When successfully receiving an API response
  • When processing a form or another HTTP request

What does Code 200 mean for the user?

The user receives content without errors, and the page or application functions properly. If Code 200 is accompanied by data, the browser or program processes and displays it to the user.

GET / HTTP/1.1
Host: rr4j.com
Accept: */*
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])

<!DOCTYPE html>
<html>
<head lang="en">
    <meta charset="UTF-8">
    <title>绒绒世界</title>
    <meta name="viewport"
          content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0"/>
    <link rel="icon" href="http://yimage.rr4j.com/bitbug_favicon.ico">
    <link rel="stylesheet" href="css/reset.css"/>
    <link rel="stylesheet" href="css/bootstrap3.min.css"/>
    <link rel="stylesheet" href="css/indexgw.css"/>

</head>

<body>
<!--网页头部-->
<!--导航-->
<nav class="navbar navbar-default navbar-fixed-top clearfix" id="mynav">
    <div class="container-fluid row">
        <div class="navbar-header">
            <img class="logo" src="http://yimage.rr4j.com/guanwang/logo.png" alt=""/>
            <button class="navbar-toggle" data-target=".navbar-collapse" data-toggle="collapse">
                <span class="icon-bar"></span>
                <span class="icon-bar"></span>
                <span class="icon-bar"></span>
            </button>
        </div>
        <div class="collapse navbar-collapse navbar-right">
            <ul class="nav navbar-nav tabList">
                <li><a href="">首页</a></li>
                <span></span>
                <li><a href="indexyyq.html">绒绒世界</a></li>
                <span></span>
                <li><a href="xc/xclist.html">圈现场</a></li>
                <span></span>
                <li><a href="yyj.html">预言家天梯</a></li>
                <span></span>
                <li><a href="indexadm.html">代理商登录</a></li>
            </ul>
        </div>
    </div>
</nav>
<!--轮播图-->
<div id="carousel" class="carousel slide" data-ride="carousel" data-interval="2000" style="margin-top: 50px;">
    <!--轮播标志小圆点-->
    <ol class="carousel-indicators">
        <li class="active" data-slide-to="0" data-target="#carousel"></li>
        <li data-slide-to="1" data-target="#carousel"></li>
        <li data-slide-to="2" data-target="#carousel"></li>
        <li data-slide-to="3" data-target="#carousel"></li>
    </ol>
    <!--图片-->
    <div class="carousel-inner img">
        <div class=" item active">
            <a href="#"><img src="http://yimage.rr4j.com/guanwang/homeBanner1.png" alt=""/></a>
        </div>
        <div class=" item ">
            <a href="#"><img src="http://yimage.rr4j.com/guanwang/homeBanner2.png" alt=""/></a>
        </div>
        <div class=" item ">
            <a href="#"><img src="http://yimage.rr4j.com/guanwang/homeBanner3.png" alt=""/></a>
        </div>
        <div class=" item ">
            <a href="#"><img src="http://yimage.rr4j.com/guanwang/homeBanner4.png" alt=""/></a>
        </div>
    </div>
</div>
<!--网页主体-->
<div class="container-fluid">
    <div class="cont clearfix">
        <div class="col-md-7 col-xs-12 text-center">
            <img class="myimg" src="http://yimage.rr4j.com/guanwang/friendCircle.png" alt=""/>
        </div>
        <div class="col-md-5 col-xs-12">
            <h3 class="title">绒绒世界</h3>
            <ul>
                <li class="content">每一只小流浪也会有故事</li>
                <li class="content">来自真实的小动物的温暖世界</li>
                <li class="content">让每一次相遇都变得不凡</li>
            </ul>
            <a style="margin-left:276px;" class="more" href="indexyyq.html">了解更多<img
                    src="http://yimage.rr4j.com/guanwang/more.png"></a>
        </div>
    </div>
    <div class="cont clearfix" style="background:#F1F1F1;">
        <div class="col-md-5 col-xs-12">
            <div style="float:right;" class=" contother">
                <h3 class="title" style="text-align:right;margin-right:80px;">圈现场</h3>
                <ul style="text-align:right;margin-right:80px;">
                    <li class="content">预热、互动、分享</li>
                    <li class="content">深度社交一体化方案</li>
                    <li class="content">大屏互动、微信墙、摇一摇</li>
                    <li class="content">更好的氛围，还有圈子记录</li>
                    <li class="content">让活动不再只是一场活动而已</li>
                </ul>
                <a style="margin-left:-50px" class="more" href="xc/xclist.html">了解更多<img
                        src="http://yimage.rr4j.com/guanwang/more.png"></a>
            </div>
        </div>
        <div class="col-md-7 col-xs-12 text-center contother" style="float:left;">
            <img style="float:left" class="myimg" src="http://yimage.rr4j.com/guanwang/circleSite.png" alt=""/>
        </div>
    </div>
    <div class="cont clearfix">
        <div class="col-md-7 col-xs-12 text-center">
            <img class="myimg" src="http://yimage.rr4j.com/guanwang/commemorativeBook.png" alt=""/>
        </div>
        <div class="col-md-5 col-xs-12">
            <h3 class="title">预言家天梯</h3>
            <ul>
                <li class="content">不再比哭喊</li>
                <li class="content">眼界洞见未来</li>
                <li class="content">记录参与每个真实预言</li>
            </ul>
            <a style="margin-left:276px;" class="more" href="yyj.html">了解更多<img
                    src="http://yimage.rr4j.com/guanwang/more.png"></a>
        </div>
    </div>
</div>
<!--视频-->
<div class="container-fluid">
    <div class="demonstration">
        <h2>圈现场解说</h2>
        <div>—— Demonstration</div>
    </div>
</div>
<div class="container-fluid video">
    <video controls="controls" preload="auto">
        <source src="http://yimage.rr4j.com/guanwang/js.mp4" type="video/mp4">
    </video>
</div>
<!--案例-->
<div class="container-fluid">
    <div class="case">
        <h2>案例</h2>
        <div>—— case</div>
    </div>
    <div class="row caseList">
        <dl class="col-md-2 col-xs-12" style="text-align:center;">
            <dt></dt>
        </dl>
        <dl class="col-md-3 col-xs-12 text-center">
            <dt>
                <video controls="controls">
                    <source src="http://yimage.rr4j.com/guanwang/al1.mp4" type="video/mp4">
                </video>
            </dt>
            <dd>案例1</dd>
        </dl>
        <dl class="col-md-3 col-xs-12" style="text-align:center;">
            <dt>
                <video controls="controls">
                    <source src="http://yimage.rr4j.com/guanwang/al2.mp4" type="video/mp4">
                </video>
            </dt>
            <dd>案例2</dd>
        </dl>
        <dl class="col-md-3 col-xs-12" style="text-align:center;">
            <dt>
                <video controls="controls">
                    <source src="http://yimage.rr4j.com/guanwang/al3.mp4" type="video/mp4">
                </video>
            </dt>
            <dd>案例3</dd>
        </dl>
        <dl class="col-md-1 col-xs-12" style="text-align:center;">
            <dt></dt>
        </dl>
    </div>
</div>
<!--关于我们-->
<div class="container-fluid">
    <div class="about">
        <h2>关于我们</h2>
        <div>—— About us</div>
    </div>
</div>
<div class="container-fluid">
    <p class="us row">
        南京小乌龟科技有限公司是一家位于南京江北新区研创园的科技创新型企业。
        拥有完整自主的研发团队，全部产品均由自己研发并掌握核心技术，并持有多件相关软件著作权、商标，团队核心成员多来自南大、中科院、华师等名校硕博毕业，拥有多年的一线互联网公司产品、研发经验。当前拥有国内外合作高校80余家、合作社团、团体数百个，最高支持单场活动人数高达2万人，公司以科技驱动，专注研发优秀产品，欢迎有相关行业销售资源或意愿的合作互利。
    </p>
</div>
<!--网页尾部-->
<div class="footer container-fluid"
     style="margin-top:20px;background:url('http://yimage.rr4j.com/guanwang/footerBg.png') repeat-x;background-width: 100%;background-height: 288px;width:100%;min-height:288px;">
    <div class="row">
        <div class="col-md-4 col-xs-5">
            <div class="footlogo">
                <img src="http://yimage.rr4j.com/guanwang/logo1.png">
            </div>
        </div>
        <div class="col-md-3 col-xs-7 link">
            <dl>
                <dt>联系我们</dt>
                <dd>联系电话:18168017278</dd>
                <dd>公司邮箱:[email protected]</dd>
                <dd>办公地址:江苏省南京市江北新区研创园</dd>
            </dl>
        </div>
        <div class="col-md-2 col-xs-5 aboutus">
            <dl>
                <dt>关于我们</dt>
                <dd><a href="">关于我们</a></dd>
                <dd><a href="">公司简介</a></dd>
                <dd><a href="">发展历程</a></dd>
            </dl>
        </div>
        <div class="col-md-3 col-xs-7 scan">
            <div>
                <img src="http://yimage.rr4j.com/guanwang/code.jpg">
                <div>扫一扫加关注</div>
            </div>
        </div>
    </div>
    <a href="https://beian.miit.gov.cn/" target="_blank">苏ICP备17069404号</a>
    <p class="text-center">&copy;2018-2019 rr4j.com 南京小乌龟科技有限公司版权所有</p>
</div>


<script src="js/jquery-1.12.4.js"></script>
<script src='js/bootstrap3.min.js'></script>

<script>
   var href =   window.location.host;
   if(href == "www.yyjtt.com"||href=="yyjtt.com"){
       window.location.href="yyj.html";
   }
</script>
</body>
</html>

Whois info of domain

Domain Name: RR4J.COM
Registry Domain ID: 2664643447_DOMAIN_COM-VRSN
Registrar WHOIS Server: grs-whois.hichina.com
Registrar URL: http://wanwang.aliyun.com
Updated Date: 2024-12-31T03:41:33Z
Creation Date: 2021-12-29T02:07:21Z
Registry Expiry Date: 2025-12-29T02:07:21Z
Registrar: Alibaba Cloud Computing Ltd. d/b/a HiChina (www.net.cn)
Registrar IANA ID: 1599
Registrar Abuse Contact Email: [email protected]
Registrar Abuse Contact Phone: +86.95187
Domain Status: ok https://icann.org/epp#ok
Name Server: DNS27.HICHINA.COM
Name Server: DNS28.HICHINA.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2025-05-13T16:47:24Z <<<
For more information on Whois status codes, please visit https://icann.org/epp
NOTICE: The expiration date displayed in this record is the date the
TERMS OF USE: You are not authorized to access or query our Whois
by the following terms of use: You agree that you may use this Data only
to: (1) allow, enable, or otherwise support the transmission of mass