diff --git a/tests/domains.test.js b/tests/domains.test.js
index f1e4954a3..cecb2159f 100644
--- a/tests/domains.test.js
+++ b/tests/domains.test.js
@@ -81,25 +81,3 @@ t("Nested subdomains should be owned by the parent subdomain's owner", (t) => {
         }
     });
 });
-
-t("Subdomains containing an underscore can only have specific records", (t) => {
-    files.forEach((file) => {
-        const subdomain = file.replace(/\.json$/, "");
-
-        if (subdomain.includes("_")) {
-            const data = getDomainData(subdomain);
-            const recordKeys = Object.keys(data.record);
-
-            if (subdomain.startsWith("_acme-challenge.") || subdomain.includes("._domainkey.")) {
-                t.true(
-                    recordKeys.every((key) => new Set(["TXT", "CNAME"]).has(key)),
-                    `${file}: This type of subdomain can only have TXT or CNAME records`
-                );
-            } else if (subdomain.includes("._tcp.") || subdomain.includes("._udp.")) {
-                t.deepEqual(recordKeys, ["SRV"], `${file}: This type of subdomain can only have SRV records`);
-            } else {
-                t.deepEqual(recordKeys, ["TXT"], `${file}: Subdomains with underscores can only have TXT records`);
-            }
-        }
-    });
-});
diff --git a/util/reserved.json b/util/reserved.json
index c87796c32..e71a89d3c 100644
--- a/util/reserved.json
+++ b/util/reserved.json
@@ -7,7 +7,6 @@
     "account",
     "accounts",
     "admin",
-    "admin[1-99]",
     "admins",
     "administrator",
     "administrators",
@@ -30,12 +29,10 @@
     "chat",
     "checkout",
     "cname",
-    "cname[1-99]",
     "co",
     "codeofconduct",
     "code-of-conduct",
     "com",
-    "com[1-9]",
     "con",
     "confirm",
     "confirmation",
@@ -54,7 +51,6 @@
     "example",
     "feedback",
     "file",
-    "file[1-9999]",
     "files",
     "finance",
     "forgot",
@@ -64,7 +60,6 @@
     "help",
     "helpdesk",
     "helper",
-    "helper[1-99]",
     "helpers",
     "hostmaster",
     "info",
@@ -75,7 +70,6 @@
     "license",
     "login",
     "logout",
-    "lpt[1-9]",
     "m",
     "mail",
     "maintainer",
@@ -84,7 +78,6 @@
     "media",
     "mobile",
     "mod",
-    "mod[1-99]",
     "mods",
     "moderator",
     "moderators",
@@ -96,10 +89,9 @@
     "notifications",
     "notify",
     "ns",
-    "ns[1-99]",
+    "ns[1-9]",
     "nul",
     "oauth",
-    "oauth[1-99]",
     "official",
     "operations",
     "ops",
@@ -134,7 +126,6 @@
     "signout",
     "signup",
     "srv",
-    "srv[1-99]",
     "staff",
     "staging",
     "statistics",
@@ -147,7 +138,6 @@
     "system",
     "teams",
     "test",
-    "test[1-9999]",
     "termsofservice",
     "terms-of-service",
     "tld",
@@ -155,15 +145,13 @@
     "tokens",
     "tos",
     "txt",
-    "txt[1-9999]",
     "url",
-    "url[1-9999]",
     "user",
     "users",
     "webmail",
     "webmaster",
     "whois",
-    "www[1-99]",
+    "www[1-9]",
     "wwww",
     "your-domain-name"
 ]