diff --git a/sanityv3/schemas/editors/blockContentType.tsx b/sanityv3/schemas/editors/blockContentType.tsx
index 14d944d4f..59ac24dc6 100644
--- a/sanityv3/schemas/editors/blockContentType.tsx
+++ b/sanityv3/schemas/editors/blockContentType.tsx
@@ -6,6 +6,7 @@ import { Flags } from '../../src/lib/datasetHelpers'
 import { ExternalLinkRenderer, SubScriptRenderer, SuperScriptRenderer } from '../components'
 import routes from '../routes'
 import { defaultColors } from '../defaultColors'
+import { strictExternal, warnHttpExternal, warnHttpOrNotValidSlugExternal } from '../validations/validateSlug'
 
 export type BlockContentProps = {
   h2?: boolean
@@ -181,7 +182,12 @@ export const configureBlockContent = (options: BlockContentProps = {}): BlockDef
       {
         name: 'href',
         type: 'url',
-        validation: (Rule: any) => Rule.uri({ scheme: ['http', 'https', 'tel', 'mailto'] }),
+        validation: (Rule: any) =>
+          Rule.uri({ scheme: ['http', 'https', 'tel', 'mailto'] })
+            .custom((value: any, context: ValidationContext) => {
+              return warnHttpOrNotValidSlugExternal(value, context)
+            })
+            .error(),
       },
     ],
   }
diff --git a/sanityv3/schemas/objects/linkSelector.tsx b/sanityv3/schemas/objects/linkSelector.tsx
index 2300559da..908729d99 100644
--- a/sanityv3/schemas/objects/linkSelector.tsx
+++ b/sanityv3/schemas/objects/linkSelector.tsx
@@ -9,6 +9,7 @@ import { AnchorLinkDescription } from './anchorReferenceField'
 // eslint-disable-next-line import/no-unresolved
 import { defaultLanguage } from '../../languages'
 import { apiVersion } from '../../sanity.client'
+import { warnHttpOrNotValidSlugExternal } from '../validations/validateSlug'
 
 export type ReferenceTarget = {
   type: string
@@ -118,7 +119,13 @@ export const getLinkSelectorFields = (labelFieldset?: string, flag?: string) =>
           const { parent } = context as { parent: LinkSelector }
           if (isHidden(parent)) return true
           const connectedField = parent?.linkToOtherLanguage ? parent?.referenceToOtherLanguage : parent?.reference
-          return validateInternalOrExternalUrl(value, connectedField)
+          const internalValidation = validateInternalOrExternalUrl(value, connectedField)
+          //If message from internalValidation return that if not continue to check external url
+          if (internalValidation) {
+            return warnHttpOrNotValidSlugExternal(value, context)
+          } else {
+            return internalValidation
+          }
         }),
       hidden: ({ parent }: { parent: LinkSelector }) => isHidden(parent),
     },
diff --git a/sanityv3/schemas/validations/checkEquinorUrls.ts b/sanityv3/schemas/validations/checkEquinorUrls.ts
new file mode 100644
index 000000000..5f39c3250
--- /dev/null
+++ b/sanityv3/schemas/validations/checkEquinorUrls.ts
@@ -0,0 +1,5 @@
+import { getAllDomainUrls } from '../../../satellitesConfig'
+
+export const isEquinorUrl = (slug: string) => {
+  return getAllDomainUrls().some((allowedUrl) => slug.toLowerCase().startsWith(allowedUrl))
+}
diff --git a/sanityv3/schemas/validations/validateSlug.ts b/sanityv3/schemas/validations/validateSlug.ts
index 01ab31878..aa355fbbd 100644
--- a/sanityv3/schemas/validations/validateSlug.ts
+++ b/sanityv3/schemas/validations/validateSlug.ts
@@ -1,6 +1,7 @@
 import { ValidationContext } from 'sanity'
 import { apiVersion } from '../../sanity.client'
 import { Flags } from '../../src/lib/datasetHelpers'
+import { isEquinorUrl } from './checkEquinorUrls'
 
 const validateIsUniqueWithinLocale = async (slug: string, context: ValidationContext) => {
   const { document, getClient } = context
@@ -41,3 +42,28 @@ export const withSlugValidation = (options: any) => {
       }
     : options
 }
+
+const stringIsSlug =
+  /https?:\/\/(www\.)?[-a-zA-Z0-9@:%._+~#=]{1,256}\.[a-zA-Z0-9()]{1,6}\b([-a-zA-Z0-9()@:%_+.~#?&//=]*)/
+const httpRegex = /^http:\/\/[^\s]+$/
+export const warnHttpOrNotValidSlugExternal = (slug: string) => {
+  if (!slug) return true
+  if (!slug.startsWith('http')) return true // ignore mailto , tel
+  const isHttp = httpRegex.test(slug)
+  const validSlug = stringIsSlug.test(slug)
+  const slugWithOutQueryParam = slug.split('?')[0]
+  const isInvalidEquinorUrl = slugWithOutQueryParam !== slugWithOutQueryParam.toLowerCase() && isEquinorUrl(slug)
+
+  let message = ''
+  if (isHttp) {
+    message = 'Use https in url. '
+  }
+  if (!validSlug) {
+    message = message.concat(`Not a valid url.`)
+  }
+
+  if (isInvalidEquinorUrl) {
+    message = message.concat('Equinor urls should contain lowercase letters only.')
+  }
+  return isHttp || !validSlug || isInvalidEquinorUrl ? message : true
+}
diff --git a/satellitesConfig.js b/satellitesConfig.js
index b6dc08600..32f4b9738 100644
--- a/satellitesConfig.js
+++ b/satellitesConfig.js
@@ -185,3 +185,7 @@ export const getDomain = (dataset) => websiteDomains[dataset]?.url || 'Domain no
 export const getMetaTitleSuffix = (dataset) => {
   return websiteDomains[dataset]?.meta || 'Equinor'
 }
+
+export const getAllDomainUrls = () => {
+  return Object.keys(datasets).map((dataset) => websiteDomains[dataset]?.url)
+}