diff --git a/d2m/actions/create-room.js b/d2m/actions/create-room.js
index 166d52f..c8f0661 100644
--- a/d2m/actions/create-room.js
+++ b/d2m/actions/create-room.js
@@ -2,6 +2,7 @@
 
 const assert = require("assert").strict
 const DiscordTypes = require("discord-api-types/v10")
+const reg = require("../../matrix/read-registration")
 
 const passthrough = require("../../passthrough")
 const { discord, sync, db } = passthrough
@@ -85,7 +86,7 @@ async function channelToKState(channel, guild) {
 		"m.room.guest_access/": {guest_access: "can_join"},
 		"m.room.history_visibility/": {history_visibility},
 		[`m.space.parent/${spaceID}`]: {
-			via: ["cadence.moe"], // TODO: put the proper server here
+			via: [reg.ooye.server_name],
 			canonical: true
 		},
 		"m.room.join_rules/": {
@@ -252,7 +253,7 @@ async function _syncSpaceMember(channel, spaceID, roomID) {
 		&& !channel["thread_metadata"]?.archived // archived threads do not belong in the space (don't offer people conversations that are no longer relevant)
 	) {
 		spaceEventContent = {
-			via: ["cadence.moe"] // TODO: use the proper server
+			via: [reg.ooye.server_name]
 		}
 	}
 	const spaceDiff = ks.diffKState(spaceKState, {
diff --git a/d2m/actions/register-user.js b/d2m/actions/register-user.js
index a33cecc..00a985c 100644
--- a/d2m/actions/register-user.js
+++ b/d2m/actions/register-user.js
@@ -21,7 +21,7 @@ async function createSim(user) {
 	// Choose sim name
 	const simName = userToMxid.userToSimName(user)
 	const localpart = reg.ooye.namespace_prefix + simName
-	const mxid = "@" + localpart + ":cadence.moe"
+	const mxid = `@${localpart}:${reg.ooye.server_name}`
 
 	// Save chosen name in the database forever
 	// Making this database change right away so that in a concurrent registration, the 2nd registration will already have generated a different localpart because it can see this row when it generates
diff --git a/m2d/converters/utils.js b/m2d/converters/utils.js
index 108da1f..7b9c504 100644
--- a/m2d/converters/utils.js
+++ b/m2d/converters/utils.js
@@ -11,6 +11,7 @@ function eventSenderIsFromDiscord(sender) {
 	// If it's from a user in the bridge's namespace, then it originated from discord
 	// This includes messages sent by the appservice's bot user, because that is what's used for webhooks
 	// TODO: It would be nice if bridge system messages wouldn't trigger this check and could be bridged from matrix to discord, while webhook reflections would remain ignored...
+	// TODO that only applies to the above todo: But you'd have to watch out for the /icon command, where the bridge bot would set the room avatar, and that shouldn't be reflected into the room a second time.
 	if (userRegex.some(x => sender.match(x))) {
 		return true
 	}
diff --git a/seed.js b/seed.js
index d84ca8d..e513f63 100644
--- a/seed.js
+++ b/seed.js
@@ -25,8 +25,8 @@ const reg = require("./matrix/read-registration")
 	const avatarUrl = await file.uploadDiscordFileToMxc("https://cadence.moe/friends/out_of_your_element_rev_2.jpg")
 
 	// set profile data on homeserver...
-	await api.profileSetDisplayname(`@${reg.sender_localpart}:cadence.moe`, "Out Of Your Element")
-	await api.profileSetAvatarUrl(`@${reg.sender_localpart}:cadence.moe`, avatarUrl)
+	await api.profileSetDisplayname(`@${reg.sender_localpart}:${reg.ooye.server_name}`, "Out Of Your Element")
+	await api.profileSetAvatarUrl(`@${reg.sender_localpart}:${reg.ooye.server_name}`, avatarUrl)
 
 	// database ddl...
 
diff --git a/types.d.ts b/types.d.ts
index faf4c70..2ba8d1d 100644
--- a/types.d.ts
+++ b/types.d.ts
@@ -19,6 +19,7 @@ export type AppServiceRegistrationConfig = {
 	ooye: {
 		namespace_prefix: string
 		max_file_size: number
+		server_name: string
 	}
 }
 
@@ -27,7 +28,7 @@ export type WebhookCreds = {
 	token: string
 }
 
-namespace Event {
+export namespace Event {
 	export type Outer<T> = {
 		type: string
 		room_id: string
@@ -92,7 +93,7 @@ namespace Event {
 	}
 }
 
-namespace R {
+export namespace R {
 	export type RoomCreated = {
 		room_id: string
 	}