diff --git a/packages/backend/src/database.ts b/packages/backend/src/database.ts
index 03455332..7b9a0b25 100644
--- a/packages/backend/src/database.ts
+++ b/packages/backend/src/database.ts
@@ -619,6 +619,23 @@ export class Database {
     return domains;
   }
 
+  async getOldestDomainByProjectId(projectId: string): Promise<Domain | null> {
+    const domainRepository = this.dataSource.getRepository(Domain);
+
+    const domain = await domainRepository.findOne({
+      where: {
+        project: {
+          id: projectId,
+        },
+      },
+      order: {
+        createdAt: 'ASC',
+      },
+    });
+
+    return domain;
+  }
+
   async getLatestDNSRecordByProjectId(
     projectId: string,
   ): Promise<DNSRecordAttributes | null> {
diff --git a/packages/backend/src/entity/Deployer.ts b/packages/backend/src/entity/Deployer.ts
index 72f386ca..452337d1 100644
--- a/packages/backend/src/entity/Deployer.ts
+++ b/packages/backend/src/entity/Deployer.ts
@@ -24,6 +24,9 @@ export class Deployer {
   @Column('varchar', { nullable: true })
     paymentAddress!: string | null;
 
+  @Column('varchar', { nullable: true })
+    version!: string | null;
+
   @ManyToMany(() => Project, (project) => project.deployers)
     projects!: Project[];
 }
diff --git a/packages/backend/src/schema.gql b/packages/backend/src/schema.gql
index 1404adef..575b67d7 100644
--- a/packages/backend/src/schema.gql
+++ b/packages/backend/src/schema.gql
@@ -272,8 +272,8 @@ type AppDeploymentRecordAttributes {
 }
 
 input AuctionParams {
-  maxPrice: String,
-  numProviders: Int,
+  maxPrice: String
+  numProviders: Int
 }
 
 type Query {
diff --git a/packages/backend/src/service.ts b/packages/backend/src/service.ts
index 4d889077..638e1020 100644
--- a/packages/backend/src/service.ts
+++ b/packages/backend/src/service.ts
@@ -253,13 +253,20 @@ export class Service {
         if (previousCanonicalDeployment) {
           // If all the DNS in the previous canonical deployment request are different from the new deployment request
           // Send removal request for the previous canonical deployment and delete DB entry
-          const previousDnsList = previousCanonicalDeployment.applicationDeploymentRequestData?.dns || "";
-          const newDnsList = deployment.applicationDeploymentRequestData?.dns || "";
+          const previousDnsList =
+            previousCanonicalDeployment.applicationDeploymentRequestData?.dns ||
+            '';
+          const newDnsList =
+            deployment.applicationDeploymentRequestData?.dns || '';
 
-          const previousDnsSet = new Set(previousDnsList.split(",").map(item => item.trim()));
-          const newDnsSet = new Set(newDnsList.split(",").map(item => item.trim()));
+          const previousDnsSet = new Set(
+            previousDnsList.split(',').map((item) => item.trim()),
+          );
+          const newDnsSet = new Set(
+            newDnsList.split(',').map((item) => item.trim()),
+          );
 
-          const isMatch = previousDnsSet.size === newDnsSet.size && [...previousDnsSet].every(item => newDnsSet.has(item));
+          const isMatch = [...previousDnsSet].some((item) => newDnsSet.has(item));
 
           if (!isMatch) {
             await this.laconicRegistry.createApplicationDeploymentRemovalRequest(
@@ -674,7 +681,10 @@ export class Service {
     let newDeployment: Deployment;
 
     if (oldDeployment.project.auctionId) {
-      newDeployment = await this.createDeploymentFromAuction(oldDeployment.project, oldDeployment.deployer);
+      newDeployment = await this.createDeploymentFromAuction(
+        oldDeployment.project,
+        oldDeployment.deployer,
+      );
     } else {
       newDeployment = await this.createDeployment(user.id, octokit, {
         project: oldDeployment.project,
@@ -745,14 +755,25 @@ export class Service {
         applicationRecordData,
         true,
       );
+
+      let dns;
       // If a custom domain is present then use that as the DNS in the deployment request
-      const customDomains = await this.db.getDomainsByProjectId(
-        data.project!.id!,
-      );
-      const dns =
-        customDomains.length > 0
-          ? customDomains.map((d) => d.name).join(',')
-          : `${canonicalDeployment.project.name}`;
+      // Only deployers with version > 1 support multiple custom domains
+      if (deployer!.version && Number(deployer!.version) >= 1) {
+        const customDomains = await this.db.getDomainsByProjectId(
+          data.project.id!,
+        );
+
+        dns =
+          customDomains.length > 0
+            ? customDomains.map((d) => d.name).join(',')
+            : `${canonicalDeployment.project.name}`;
+      } else {
+        const domain = await this.db.getOldestDomainByProjectId(
+          canonicalDeployment.project.id,
+        );
+        dns = domain?.name ?? `${canonicalDeployment.project.name}`;
+      }
 
       // On deleting deployment later, project canonical deployment is also deleted
       // So publish project canonical deployment first so that ApplicationDeploymentRecord for the same is available when deleting deployment later
@@ -1072,7 +1093,9 @@ export class Service {
         commitHash: latestCommit.sha,
         commitMessage: latestCommit.commit.message,
       };
+
       const { applicationDeploymentAuctionId } = await this.laconicRegistry.createApplicationDeploymentAuction(repo, octokit, auctionParams!, deploymentData);
+
       await this.updateProject(project.id, { auctionId: applicationDeploymentAuctionId });
     } else {
       const deployer = await this.db.getDeployerByLRN(lrn!);
@@ -1690,6 +1713,8 @@ export class Service {
         const minimumPayment = record.attributes.minimumPayment;
         const paymentAddress = record.attributes.paymentAddress;
         const publicKey = record.attributes.publicKey;
+        const version = record.attributes.deployerVersion;
+
         const baseDomain = deployerApiUrl.substring(deployerApiUrl.indexOf('.') + 1);
 
         const deployerData = {
@@ -1699,7 +1724,8 @@ export class Service {
           baseDomain,
           minimumPayment,
           paymentAddress,
-          publicKey
+          publicKey,
+          version,
         };
 
         // TODO: Update deployers table in a separate job
diff --git a/packages/backend/src/types.ts b/packages/backend/src/types.ts
index f02998ff..63ff4581 100644
--- a/packages/backend/src/types.ts
+++ b/packages/backend/src/types.ts
@@ -120,5 +120,6 @@ export interface DeployerRecord {
     publicKey: string;
     type: string;
     version: string;
+    deployerVersion: string;
   };
 }