docs(annotations): note how to set multiple hostnames

Setting multiple hostnames through this annotation has been possible since kubernetes-sigs#256, but this behavior has not been sufficiently documented before.
hopkinsth · Jul 10, 2024 · 9f29d3c · 9f29d3c
1 parent 8d06c84
commit 9f29d3c
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/docs/annotations/annotations.md b/docs/annotations/annotations.md
@@ -59,7 +59,10 @@ Otherwise, use the `IP` of each of the `Service`'s `Endpoints`'s `Addresses`.
 
 ## external-dns.alpha.kubernetes.io/hostname
 
-Specifies the domain for the resource's DNS records.
+Specifies the domain for the resource's DNS records. 
+
+Multiple hostnames can be specified through a comma-separated list, e.g.
+`svc.mydomain1.com,svc.mydomain2.com`.
 
 ## external-dns.alpha.kubernetes.io/ingress-hostname-source