Update app footer for accessibility, change RDAP link, and refine DNS and email provider rules

components/app-footer.tsx

@@ -14,9 +14,11 @@ export function AppFooter() {
             strokeWidth="0"
             viewBox="0 0 24 24"
             className="top-px"
+            aria-hidden
           >
             <path d="M18.665 21.978C16.758 23.255 14.465 24 12 24 5.377 24 0 18.623 0 12S5.377 0 12 0s12 5.377 12 12c0 3.583-1.574 6.801-4.067 9.001L9.219 7.2H7.2v9.596h1.615V9.251l9.85 12.727Zm-3.332-8.533 1.6 2.061V7.2h-1.6v6.245Z" />
           </svg>
+          <span className="sr-only">Next.js</span>
         </a>{" "}
         by{" "}
         <a href="https://jarv.is/" target="_blank" rel="noopener">

components/domain/sections/registration-section.tsx

@@ -106,7 +106,7 @@ export function RegistrationSection({
                       <a
                         href={
                           d.source === "rdap"
-                            ? "https://rdap.rcode3.com/"
+                            ? "https://about.rdap.org/"
                             : "https://en.wikipedia.org/wiki/WHOIS"
                         }
                         target="_blank"

lib/providers/rules/dns.ts

@@ -208,8 +208,8 @@ export const DNS_PROVIDERS: Array<
     rule: { kind: "nsSuffix", suffix: "akam.net" },
   },
   {
-    name: "UltraDNS (DigiCert)",
-    domain: "digicert.com",
+    name: "UltraDNS",
+    domain: "vercara.digicert.com",
     category: "dns",
     rule: {
       any: [
@@ -218,6 +218,7 @@ export const DNS_PROVIDERS: Array<
         { kind: "nsSuffix", suffix: "ultradns.org" },
         { kind: "nsSuffix", suffix: "ultradns.co.uk" },
         { kind: "nsSuffix", suffix: "ultradns.biz" },
+        { kind: "nsSuffix", suffix: "ultradns.info" },
       ],
     },
   },

lib/providers/rules/email.ts

@@ -141,7 +141,12 @@ export const EMAIL_PROVIDERS: Array<
     name: "Proofpoint",
     domain: "proofpoint.com",
     category: "email",
-    rule: { kind: "mxSuffix", suffix: "pphosted.com" },
+    rule: {
+      any: [
+        { kind: "mxSuffix", suffix: "pphosted.com" },
+        { kind: "mxSuffix", suffix: "ppe-hosted.com" },
+      ],
+    },
   },
   {
     name: "Barracuda Email Essentials",