diff --git a/core/installer/values-tmpl/certificate-issuer-custom.cue b/core/installer/values-tmpl/certificate-issuer-custom.cue
index 961beb5..d2b1e28 100644
--- a/core/installer/values-tmpl/certificate-issuer-custom.cue
+++ b/core/installer/values-tmpl/certificate-issuer-custom.cue
@@ -1,3 +1,7 @@
+import (
+	"strings"
+)
+
 input: {
 	name: string
 	domain: string
@@ -38,3 +42,13 @@
 		}
 	}
 }
+
+help: [{
+	title: "DNS"
+	_records: [for ip in global.nameserverIP { "* 10800 IN A \(ip)" }]
+	_allRecords: strings.Join(_records, "<br>")
+	contents: """
+	Publish following DNS records using \(input.domain) Domain Name Registrar<br><br>
+	\(_allRecords)
+	"""
+}]