{"id":9936,"date":"2026-09-22T02:29:39","date_gmt":"2026-09-22T02:29:39","guid":{"rendered":"https:\/\/pariswells.com\/blog\/?p=9936"},"modified":"2026-09-22T02:29:40","modified_gmt":"2026-09-22T02:29:40","slug":"cloudflare-waf-with-the-microsoft-entra-external-id-could-not-reach-the-tenants-well-known-endpoint-via-custom-domain-please-check-that-your-custom-domain-has-been-properly-configured-to-route-tra","status":"publish","type":"post","link":"https:\/\/pariswells.com\/blog\/research\/cloudflare-waf-with-the-microsoft-entra-external-id-could-not-reach-the-tenants-well-known-endpoint-via-custom-domain-please-check-that-your-custom-domain-has-been-properly-configured-to-route-tra","title":{"rendered":"Cloudflare WAF with the Microsoft Entra External ID- Could not reach the tenant&#8217;s well-known endpoint via custom domain. Please check that your custom domain has been properly configured to route traffic."},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><strong>Problem Description:<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Unable to verify the custom domain while configuring Cloudflare WAF with the Microsoft Entra External ID tenant. During domain verification, the following error is encountered: \u201cCould not reach the tenant&#8217;s well-known endpoint via custom domain. Please check that your custom domain has been properly configured to route traffic.\u201d<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Current Status<\/strong>: We are currently awaiting your response regarding the troubleshooting guidance previously provided. Further investigation depends on confirming the Cloudflare CAPTCHA configuration and, if the issue persists, reviewing a network trace captured while reproducing the problem.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Action plan:<\/strong><\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li>Confirm whether CAPTCHA has been disabled on the Cloudflare portal.<\/li>\n\n\n\n<li>If CAPTCHA is already disabled but custom-domain verification continues to fail, reproduce the issue while capturing a browser\/network trace.<\/li>\n\n\n\n<li>Upload the collected trace through the secure case attachment link previously provided so we can review it and continue the investigation.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>What is requested from you:<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Please confirm whether CAPTCHA has been disabled on Cloudflare. If it has already been disabled and the issue persists, please provide the requested browser\/network trace through the secure upload link shared in my previous communication.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Problem Description: Unable to verify the custom domain while configuring Cloudflare WAF with the Microsoft Entra External ID tenant. During domain verification, the following error is encountered: [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-9936","post","type-post","status-publish","format-standard","hentry","category-research"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"Problem Description: Unable to verify the custom domain while configuring Cloudflare WAF with the Microsoft Entra External ID tenant. During domain verification, the following error is encountered: \u201cCould not reach the tenant&#039;s well-known endpoint via custom domain. 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Please check that your custom domain has been properly configured to route traffic. | Welcome to Pariswells.com\" \/>\n\t\t<meta property=\"og:description\" content=\"Problem Description: Unable to verify the custom domain while configuring Cloudflare WAF with the Microsoft Entra External ID tenant. During domain verification, the following error is encountered: \u201cCould not reach the tenant&#039;s well-known endpoint via custom domain. 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Please check that your custom domain has been properly configured to route traffic. | Welcome to Pariswells.com\" \/>\n\t\t<meta name=\"twitter:description\" content=\"Problem Description: Unable to verify the custom domain while configuring Cloudflare WAF with the Microsoft Entra External ID tenant. During domain verification, the following error is encountered: \u201cCould not reach the tenant&#039;s well-known endpoint via custom domain. 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Please check that your custom domain has been properly configured to route traffic.\n\t\t<\/span><\/div>","aioseo_breadcrumb_json":[{"label":"Home","link":"https:\/\/pariswells.com\/blog"},{"label":"Research","link":"https:\/\/pariswells.com\/blog\/category\/research"},{"label":"Cloudflare WAF with the Microsoft Entra External ID- Could not reach the tenant&#8217;s well-known endpoint via custom domain. 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