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{
"latency": 83,
"ipAddresses": [
"104.21.50.226",
"172.67.167.166",
"2606:4700:3031::6815:32e2",
"2606:4700:3034::ac43:a7a6"
],
"dns": {
"NS": [
"greg.ns.cloudflare.com.",
"elinore.ns.cloudflare.com."
],
"A": [
"104.21.50.226",
"172.67.167.166"
],
"AAAA": [
"2606:4700:3031::6815:32e2",
"2606:4700:3034::ac43:a7a6"
],
"TXT": [
"v=spf1 -all"
]
}
}
[
{
"url": "https://300s.app",
"technologies": [
{
"slug": "cloudflare",
"name": "Cloudflare",
"icon": "CloudFlare.svg",
"versions": [],
"categories": [
{
"id": 31,
"slug": "cdn",
"name": "CDN"
}
],
"confirmedAt": 1724757443
},
{
"slug": "http-3",
"name": "HTTP/3",
"icon": "HTTP3.svg",
"versions": [],
"categories": [
{
"id": 19,
"slug": "miscellaneous",
"name": "Miscellaneous"
}
],
"confirmedAt": 1724757443
}
]
}
]
{
"status": 520,
"statusText": "",
"headers": {
"alt-svc": "h3=\":443\"; ma=86400",
"cache-control": "private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0",
"cf-ray": "90e5fa8e3e9a59fd-IAD",
"connection": "keep-alive",
"content-length": "7159",
"content-type": "text/html; charset=UTF-8",
"date": "Fri, 07 Feb 2025 20:02:38 GMT",
"expires": "Thu, 01 Jan 1970 00:00:01 GMT",
"nel": "{\"success_fraction\":0,\"report_to\":\"cf-nel\",\"max_age\":604800}",
"referrer-policy": "same-origin",
"report-to": "{\"endpoints\":[{\"url\":\"https:\\/\\/a.nel.cloudflare.com\\/report\\/v4?s=wl4K8G2hAF3JWKYj0NsmlsBX0B1MJTkt9efu5vQzQUrXdIKwTMswlMFLYmVn1uVhCCCqru3fCpKMEz3%2BGEvHAxm3FUbJkDPki9p767TrGkBleg5%2BBcpcoap9Oi5SVEMMju8W2zHNnQ%3D%3D\"}],\"group\":\"cf-nel\",\"max_age\":604800}",
"server": "cloudflare",
"server-timing": "cfL4;desc=\"?proto=TCP&rtt=680&min_rtt=631&rtt_var=272&sent=5&recv=6&lost=0&retrans=0&sent_bytes=3178&recv_bytes=806&delivery_rate=6408874&cwnd=252&unsent_bytes=0&cid=c395284f0edb7e05&ts=31&x=0\"",
"x-frame-options": "SAMEORIGIN"
}
}
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<head>
<title>300s.app | 520: Web server is returning an unknown error</title>
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<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
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</head>
<body>
<div id="cf-wrapper">
<div id="cf-error-details" class="p-0">
<header class="mx-auto pt-10 lg:pt-6 lg:px-8 w-240 lg:w-full mb-8">
<h1 class="inline-block sm:block sm:mb-2 font-light text-60 lg:text-4xl text-black-dark leading-tight mr-2">
<span class="inline-block">Web server is returning an unknown error</span>
<span class="code-label">Error code 520</span>
</h1>
<div>
Visit <a href="https://www.cloudflare.com/5xx-error-landing?utm_source=errorcode_520&utm_campaign=300s.app" target="_blank" rel="noopener noreferrer">cloudflare.com</a> for more information.
</div>
<div class="mt-3">2025-02-07 20:02:38 UTC</div>
</header>
<div class="my-8 bg-gradient-gray">
<div class="w-240 lg:w-full mx-auto">
<div class="clearfix md:px-8">
<div id="cf-browser-status" class=" relative w-1/3 md:w-full py-15 md:p-0 md:py-8 md:text-left md:border-solid md:border-0 md:border-b md:border-gray-400 overflow-hidden float-left md:float-none text-center">
<div class="relative mb-10 md:m-0">
<span class="cf-icon-browser block md:hidden h-20 bg-center bg-no-repeat"></span>
<span class="cf-icon-ok w-12 h-12 absolute left-1/2 md:left-auto md:right-0 md:top-0 -ml-6 -bottom-4"></span>
</div>
<span class="md:block w-full truncate">You</span>
<h3 class="md:inline-block mt-3 md:mt-0 text-2xl text-gray-600 font-light leading-1.3">
Browser
</h3>
<span class="leading-1.3 text-2xl text-green-success">Working</span>
</div>
<div id="cf-cloudflare-status" class=" relative w-1/3 md:w-full py-15 md:p-0 md:py-8 md:text-left md:border-solid md:border-0 md:border-b md:border-gray-400 overflow-hidden float-left md:float-none text-center">
<div class="relative mb-10 md:m-0">
<a href="https://www.cloudflare.com/5xx-error-landing?utm_source=errorcode_520&utm_campaign=300s.app" target="_blank" rel="noopener noreferrer">
<span class="cf-icon-cloud block md:hidden h-20 bg-center bg-no-repeat"></span>
<span class="cf-icon-ok w-12 h-12 absolute left-1/2 md:left-auto md:right-0 md:top-0 -ml-6 -bottom-4"></span>
</a>
</div>
<span class="md:block w-full truncate">Ashburn</span>
<h3 class="md:inline-block mt-3 md:mt-0 text-2xl text-gray-600 font-light leading-1.3">
<a href="https://www.cloudflare.com/5xx-error-landing?utm_source=errorcode_520&utm_campaign=300s.app" target="_blank" rel="noopener noreferrer">
Cloudflare
</a>
</h3>
<span class="leading-1.3 text-2xl text-green-success">Working</span>
</div>
<div id="cf-host-status" class="cf-error-source relative w-1/3 md:w-full py-15 md:p-0 md:py-8 md:text-left md:border-solid md:border-0 md:border-b md:border-gray-400 overflow-hidden float-left md:float-none text-center">
<div class="relative mb-10 md:m-0">
<span class="cf-icon-server block md:hidden h-20 bg-center bg-no-repeat"></span>
<span class="cf-icon-error w-12 h-12 absolute left-1/2 md:left-auto md:right-0 md:top-0 -ml-6 -bottom-4"></span>
</div>
<span class="md:block w-full truncate">300s.app</span>
<h3 class="md:inline-block mt-3 md:mt-0 text-2xl text-gray-600 font-light leading-1.3">
Host
</h3>
<span class="leading-1.3 text-2xl text-red-error">Error</span>
</div>
</div>
</div>
</div>
<div class="w-240 lg:w-full mx-auto mb-8 lg:px-8">
<div class="clearfix">
<div class="w-1/2 md:w-full float-left pr-6 md:pb-10 md:pr-0 leading-relaxed">
<h2 class="text-3xl font-normal leading-1.3 mb-4">What happened?</h2>
<p>There is an unknown connection issue between Cloudflare and the origin web server. As a result, the web page can not be displayed.</p>
</div>
<div class="w-1/2 md:w-full float-left leading-relaxed">
<h2 class="text-3xl font-normal leading-1.3 mb-4">What can I do?</h2>
<h3 class="text-15 font-semibold mb-2">If you are a visitor of this website:</h3>
<p class="mb-6">Please try again in a few minutes.</p>
<h3 class="text-15 font-semibold mb-2">If you are the owner of this website:</h3>
<p><span>There is an issue between Cloudflare's cache and your origin web server. Cloudflare monitors for these errors and automatically investigates the cause. To help support the investigation, you can pull the corresponding error log from your web server and submit it our support team. Please include the Ray ID (which is at the bottom of this error page).</span> <a rel="noopener noreferrer" href="https://support.cloudflare.com/hc/en-us/articles/200171936-Error-520">Additional troubleshooting resources</a>.</p>
</div>
</div>
</div>
<div class="cf-error-footer cf-wrapper w-240 lg:w-full py-10 sm:py-4 sm:px-8 mx-auto text-center sm:text-left border-solid border-0 border-t border-gray-300">
<p class="text-13">
<span class="cf-footer-item sm:block sm:mb-1">Cloudflare Ray ID: <strong class="font-semibold">90e5fa8e8eec59fd</strong></span>
<span class="cf-footer-separator sm:hidden">•</span>
<span id="cf-footer-item-ip" class="cf-footer-item hidden sm:block sm:mb-1">
Your IP:
<button type="button" id="cf-footer-ip-reveal" class="cf-footer-ip-reveal-btn">Click to reveal</button>
<span class="hidden" id="cf-footer-ip">2605:4c40:40:6f64:0:ffc3:624c:1</span>
<span class="cf-footer-separator sm:hidden">•</span>
</span>
<span class="cf-footer-item sm:block sm:mb-1"><span>Performance & security by</span> <a rel="noopener noreferrer" href="https://www.cloudflare.com/5xx-error-landing?utm_source=errorcode_520&utm_campaign=300s.app" id="brand_link" target="_blank">Cloudflare</a></span>
</p>
<script>(function(){function d(){var b=a.getElementById("cf-footer-item-ip"),c=a.getElementById("cf-footer-ip-reveal");b&&"classList"in b&&(b.classList.remove("hidden"),c.addEventListener("click",function(){c.classList.add("hidden");a.getElementById("cf-footer-ip").classList.remove("hidden")}))}var a=document;document.addEventListener&&a.addEventListener("DOMContentLoaded",d)})();</script>
</div><!-- /.error-footer -->
</div>
</div>
</body>
</html>
{
"Cloudflare": "Automatically optimizes the delivery of your web pages so your visitors get the fastest page load times and best performance.",
"Cloudflare Hosting": "Supercharged web hosting service.",
"Cloudflare DNS": "DNS services provided by Cloudflare.",
"DNSSEC": "DNSSEC strengthens DNS authentication by using digital signatures based on public key cryptography.",
"SSL by Default": "The website redirects traffic to an HTTPS/SSL version by default.",
"SPF": "The Sender Policy Framework is an open standard specifying a technical method to prevent sender address forgery.",
"DMARC": "A technical specification created by a group of organizations that want to help reduce the potential for email-based abuse",
"DMARC Reject": "The domain has a DMARC policy of 'Reject'. This policy tells the mail server to reject emails that fail DMARC checks, preventing them from being delivered at all.",
"IPv6": "The website has an IPv6 record.",
"Cloudflare CDN": "Content owned by this site hosted on the Cloudflare CDN."
}
{
"data": {
"total": 0,
"personal_emails": 0,
"generic_emails": 0,
"department": {
"executive": 0,
"it": 0,
"finance": 0,
"management": 0,
"sales": 0,
"legal": 0,
"support": 0,
"hr": 0,
"marketing": 0,
"communication": 0,
"education": 0,
"design": 0,
"health": 0,
"operations": 0
},
"seniority": {
"junior": 0,
"senior": 0,
"executive": 0
}
},
"meta": {
"params": {
"domain": "300s.app",
"company": null,
"type": null
}
}
}
{
"whois.nic.google": {
"Domain Status": [
"clientTransferProhibited https://icann.org/epp#clientTransferProhibited"
],
"Name Server": [
"elinore.ns.cloudflare.com",
"greg.ns.cloudflare.com"
],
"Domain Name": "300s.app",
"Registry Domain ID": "45960D29D-APP",
"Registrar WHOIS Server": "whois.cloudflare.com",
"Registrar URL": "",
"Updated Date": "2025-01-04T04:04:25Z",
"Created Date": "2021-01-29T20:25:45Z",
"Expiry Date": "2026-01-29T20:25:45Z",
"Registrar": "CloudFlare, Inc.",
"Registrar IANA ID": "1910",
"Registrar Abuse Contact Email": "[email protected]",
"Registrar Abuse Contact Phone": "+1.4153197517",
"Registry Registrant ID": "",
"Registrant Name": "",
"Registrant Organization": "Stouse, LLC",
"Registrant Street": "",
"Registrant City": "",
"Registrant State/Province": "KS",
"Registrant Postal Code": "",
"Registrant Country": "US",
"Registrant Phone": "",
"Registrant Email": "Please query the WHOIS server of the owning registrar identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.",
"Registry Admin ID": "",
"Admin Name": "",
"Admin Organization": "",
"Admin Street": "",
"Admin City": "",
"Admin State/Province": "",
"Admin Postal Code": "",
"Admin Country": "",
"Admin Phone": "",
"Admin Email": "Please query the WHOIS server of the owning registrar identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.",
"Registry Tech ID": "",
"Tech Name": "",
"Tech Organization": "",
"Tech Street": "",
"Tech City": "",
"Tech State/Province": "",
"Tech Postal Code": "",
"Tech Country": "",
"Tech Phone": "",
"Tech Email": "Please query the WHOIS server of the owning registrar identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.",
"Registry Billing ID": "",
"Billing Name": "",
"Billing Organization": "",
"Billing Street": "",
"Billing City": "",
"Billing State/Province": "",
"Billing Postal Code": "",
"Billing Country": "",
"Billing Phone": "",
"Billing Email": "Please query the WHOIS server of the owning registrar identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.",
"DNSSEC": "signedDelegation",
"URL of the ICANN Whois Inaccuracy Complaint Form": "https://www.icann.org/wicf/",
">>> Last update of WHOIS database": "2025-02-07T20:02:38Z <<<",
"text": [
"For more information on Whois status codes, please visit https://icann.org/epp",
"",
"Please query the WHOIS server of the owning registrar identified in this",
"output for information on how to contact the Registrant, Admin, or Tech",
"contact of the queried domain name.",
"",
"You may also request underlying Registrant data via ICANN's RDRS service",
"(https://rdrs.icann.org/).",
"",
"WHOIS information is provided by Charleston Road Registry Inc. (CRR) solely",
"for query-based, informational purposes. By querying our WHOIS database, you",
"are agreeing to comply with these terms",
"(https://www.registry.google/about/whois-disclaimer.html) and acknowledge",
"that your information will be used in accordance with CRR's Privacy Policy",
"(https://www.registry.google/about/privacy.html), so please read those",
"documents carefully. Any information provided is \"as is\" without any",
"guarantee of accuracy. You may not use such information to (a) allow,",
"enable, or otherwise support the transmission of mass unsolicited,",
"commercial advertising or solicitations; (b) enable high volume, automated,",
"electronic processes that access the systems of CRR or any ICANN-Accredited",
"Registrar, except as reasonably necessary to register domain names or modify",
"existing registrations; or (c) engage in or support unlawful behavior. CRR",
"reserves the right to restrict or deny your access to the Whois database,",
"and may modify these terms at any time."
]
},
"whois.cloudflare.com": {
"Domain Status": [
"clienttransferprohibited https://icann.org/epp#clienttransferprohibited"
],
"Name Server": [
"elinore.ns.cloudflare.com",
"greg.ns.cloudflare.com"
],
"Domain Name": "300S.APP",
"Registry Domain ID": "45960D29D-APP",
"Registrar WHOIS Server": "whois.cloudflare.com",
"Registrar URL": "https://www.cloudflare.com",
"Updated Date": "2025-01-06T16:59:06Z",
"Created Date": "2021-01-29T20:25:45Z",
"Expiry Date": "2026-01-29T20:25:45Z",
"Registrar": "Cloudflare, Inc.",
"Registrar IANA ID": "1910",
"Registry Registrant ID": "",
"Registrant Name": "",
"Registrant Organization": "",
"Registrant Street": "",
"Registrant City": "",
"Registrant State/Province": "KS",
"Registrant Postal Code": "",
"Registrant Country": "US",
"Registrant Phone": "",
"Registrant Phone Ext": "",
"Registrant Fax": "",
"Registrant Fax Ext": "",
"Registrant Email": "https://domaincontact.cloudflareregistrar.com/300s.app",
"Registry Admin ID": "",
"Admin Name": "",
"Admin Organization": "",
"Admin Street": "",
"Admin City": "",
"Admin State/Province": "",
"Admin Postal Code": "",
"Admin Country": "",
"Admin Phone": "",
"Admin Phone Ext": "",
"Admin Fax": "",
"Admin Fax Ext": "",
"Admin Email": "https://domaincontact.cloudflareregistrar.com/300s.app",
"Registry Tech ID": "",
"Tech Name": "",
"Tech Organization": "",
"Tech Street": "",
"Tech City": "",
"Tech State/Province": "",
"Tech Postal Code": "",
"Tech Country": "",
"Tech Phone": "",
"Tech Phone Ext": "",
"Tech Fax": "",
"Tech Fax Ext": "",
"Tech Email": "https://domaincontact.cloudflareregistrar.com/300s.app",
"Registry Billing ID": "",
"Billing Name": "",
"Billing Organization": "",
"Billing Street": "",
"Billing City": "",
"Billing State/Province": "",
"Billing Postal Code": "",
"Billing Country": "",
"Billing Phone": "",
"Billing Phone Ext": "",
"Billing Fax": "",
"Billing Fax Ext": "",
"Billing Email": "https://domaincontact.cloudflareregistrar.com/300s.app",
"DNSSEC": "unsigned",
"Registrar Abuse Contact Email": "[email protected]",
"Registrar Abuse Contact Phone": "+1.4153197517",
"URL of the ICANN WHOIS Data Problem Reporting System": "http://wdprs.internic.net/",
">>> Last update of WHOIS database": "2025-02-07T20:02:38Z <<<",
"text": [
"For more information on Whois status codes, please visit https://icann.org/epp",
"",
"Cloudflare provides more than 13 million domains with the tools to give their global users a faster, more secure, and more reliable internet experience.",
"",
"NOTICE:",
"",
"Data in the Cloudflare Registrar WHOIS database is provided to you by Cloudflare",
"under the terms and conditions at https://www.cloudflare.com/domain-registration-agreement/",
"",
"By submitting this query, you agree to abide by these terms.",
"",
"Register your domain name at https://www.cloudflare.com/registrar/"
]
}
}