{"id":19330,"date":"2021-11-13T10:13:35","date_gmt":"2021-11-13T10:13:35","guid":{"rendered":"https:\/\/easydmarc.com\/blog\/?p=19330"},"modified":"2026-03-18T14:34:30","modified_gmt":"2026-03-18T14:34:30","slug":"salesforce-instances-and-sandboxes","status":"publish","type":"post","link":"https:\/\/easydmarc.com\/blog\/salesforce-instances-and-sandboxes\/","title":{"rendered":"Salesforce Instances and Sandboxes"},"content":{"rendered":"\n<p><span style=\"font-weight: 400;\">Salesforce was founded in 1999. It&#8217;s headquartered in San Francisco, California, and is one of the first cloud computing companies. It has been one of the <a href=\"https:\/\/ecommerce-platforms.com\/crm-reviews\/best-crm-software-tools\">leading CRM software<\/a> in the world for quite some time.&nbsp;<\/span><span style=\"font-weight: 400;\">In this article, we&#8217;ll define a Salesforce instance, show how to detect them, and present to you some sandbox environments in Salesforce.<\/span><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What are Salesforce Instances?<\/h2>\n\n\n\n<p><span style=\"font-weight: 400;\">Salesforce instances are data centers\/servers that organizations can be based on. The same instance\/server can serve many companies. This method is known as server management or multi-tenancy.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">The question is: why would you care about these data centers? Configuring Salesforce to be <a href=\"https:\/\/easydmarc.com\/blog\/what-is-a-dmarc-policy\/\">DMARC compliant<\/a> should be achieved on an instance level, so it is important to <\/span><a href=\"https:\/\/easydmarc.com\/blog\/salesforce-spf-dkim-authentication\/\"><span style=\"font-weight: 400;\">configure all the outgoing instances independently<\/span><\/a><span style=\"font-weight: 400;\">.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Here are a few instance examples: AP4, EU16, UM2, NA80, CS9, CS171<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">The first two letters also refer to the location that the server is located. In &#8220;EU16&#8221;, the EU stands for Europe. Similarly, in &#8220;NA80&#8221; NA refers to North America.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">You can check the full list of instances and their locations&nbsp;<\/span><a href=\"https:\/\/help.salesforce.com\/s\/articleView?language=en_US&amp;id=000396845&amp;type=1\" target=\"_blank\" rel=\"noreferrer noopener nofollow\"><span style=\"font-weight: 400;\">here.<\/span><\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">How to Find My Salesforce Instance?<\/h2>\n\n\n\n<p><span style=\"font-weight: 400;\">There are a couple of ways that you can find the domain instance:<\/span><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">Locate it in the <a href=\"https:\/\/easydmarc.com\/tools\/dmarc-report-analyzer\" target=\"_blank\" rel=\"noreferrer noopener\">EasyDMARC aggregate reports<\/a><\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Perform an <a href=\"https:\/\/easydmarc.com\/tools\/ns-lookup\" type=\"link\" id=\"https:\/\/easydmarc.com\/tools\/ns-lookup\">ns lookup<\/a><\/span><\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-locate-the-instance-in-easydmarc-report\"><span style=\"font-weight: 400;\">Locate the Instance in EasyDMARC Report<\/span><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">The easiest way would be to check your aggregated reports from EasyDMARC, you can find the instance by checking the SPF Auth. Results domain under the Salesforce tab.<\/span><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"253\" src=\"https:\/\/easydmarc.com\/blog\/wp-content\/uploads\/2021\/11\/1-Easy-Instance-1024x253.png\" alt=\"\" class=\"wp-image-19331\" srcset=\"https:\/\/easydmarc.com\/blog\/wp-content\/uploads\/2021\/11\/1-Easy-Instance-1024x253.png 1024w, https:\/\/easydmarc.com\/blog\/wp-content\/uploads\/2021\/11\/1-Easy-Instance-300x74.png 300w, https:\/\/easydmarc.com\/blog\/wp-content\/uploads\/2021\/11\/1-Easy-Instance-768x190.png 768w, https:\/\/easydmarc.com\/blog\/wp-content\/uploads\/2021\/11\/1-Easy-Instance.png 1463w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p><span style=\"font-weight: 400;\">In this example, the Salesforce instance is &#8220;um8&#8221;.<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-perform-an-nslookup\"><span style=\"font-weight: 400;\">Perform an nslookup<\/span><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">Depending on your operating system, you should proceed differently.<\/span><\/p>\n\n\n\n<h4 class=\"wp-block-heading\">On Windows<\/h4>\n\n\n\n<ol class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">Open cmd<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Type in \u201cnslookup domain.lightning.force.com\u201d, making sure to replace the domain part with your own domain. (See screenshot below).<\/span><\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" width=\"467\" height=\"229\" src=\"https:\/\/easydmarc.com\/blog\/wp-content\/uploads\/2021\/11\/2-CMD.png\" alt=\"\" class=\"wp-image-19332\" srcset=\"https:\/\/easydmarc.com\/blog\/wp-content\/uploads\/2021\/11\/2-CMD.png 467w, https:\/\/easydmarc.com\/blog\/wp-content\/uploads\/2021\/11\/2-CMD-300x147.png 300w\" sizes=\"(max-width: 467px) 100vw, 467px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-on-mac\">On Mac<\/h4>\n\n\n\n<ol class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">Search and open Terminal<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Type in \u201cnslookup domain.lightning.force.com\u201d, making sure to replace the domain part with your own domain. (See screenshot below).<\/span><\/li>\n<\/ol>\n\n\n\n<p><span style=\"font-weight: 400;\">You can also check your instance by visiting <\/span><a href=\"https:\/\/status.salesforce.com\/search\/instance\"><span style=\"font-weight: 400;\">status.salesforce.com\/search\/instance<\/span><\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-sandbox-environments-in-salesforce\">Sandbox Environments in Salesforce<\/h2>\n\n\n\n<p><span style=\"font-weight: 400;\">A sandbox is an isolated testing environment that enables users to run tests\/programs without affecting the application. Sandboxes in Salesforce are treated like instances. You can configure them using the same initial DKIM setup steps as you do on a product environment.<\/span><\/p>\n\n\n\n<figure class=\"wp-block-image alignnone wp-image-19333 size-large\"><img decoding=\"async\" width=\"1024\" height=\"291\" src=\"https:\/\/easydmarc.com\/blog\/wp-content\/uploads\/2021\/11\/3-Sandbox-example-1024x291.png\" alt=\"Salesforce sandbox example\" class=\"wp-image-19333\" srcset=\"https:\/\/easydmarc.com\/blog\/wp-content\/uploads\/2021\/11\/3-Sandbox-example-1024x291.png 1024w, https:\/\/easydmarc.com\/blog\/wp-content\/uploads\/2021\/11\/3-Sandbox-example-300x85.png 300w, https:\/\/easydmarc.com\/blog\/wp-content\/uploads\/2021\/11\/3-Sandbox-example-768x218.png 768w, https:\/\/easydmarc.com\/blog\/wp-content\/uploads\/2021\/11\/3-Sandbox-example.png 1498w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Example of a configured sandbox environment<\/figcaption><\/figure>\n\n\n\n<p><span style=\"font-weight: 400;\">To configure Salesforce, please <\/span><a href=\"https:\/\/easydmarc.com\/blog\/salesforce-spf-dkim-authentication\/\"><span style=\"font-weight: 400;\">check out our blog<\/span><\/a><span style=\"font-weight: 400;\">.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Salesforce was founded in 1999. It&#8217;s headquartered in &#8230;<\/p>\n","protected":false},"author":5,"featured_media":19334,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[205,209],"tags":[],"class_list":["post-19330","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge-base","category-source-configuration"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.3 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Salesforce Instances and Sandboxes | EasyDMARC<\/title>\n<meta name=\"description\" content=\"Are you a Salesforce user trying to reach DMARC reject? 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