diff --git a/roles/kubernetes/secrets/templates/openssl.conf.j2 b/roles/kubernetes/secrets/templates/openssl.conf.j2
index d81605d4fb7d7b39fcf86a343b4a65a7023fe860..f0465a390c69a9f8c7f6709d2c0fc4c204faad0d 100644
--- a/roles/kubernetes/secrets/templates/openssl.conf.j2
+++ b/roles/kubernetes/secrets/templates/openssl.conf.j2
@@ -29,6 +29,10 @@ IP.{{ idx + 1 }} = 127.0.0.1
 {% if supplementary_addresses_in_ssl_keys is defined %}
 {% set is = idx + 1 %}
 {% for addr in supplementary_addresses_in_ssl_keys %}
+{% if addr | ipaddr %}
 IP.{{ is + loop.index }} = {{ addr }}
+{% else %}
+DNS.{{ is + loop.index }} = {{ addr }}
+{% endif %}
 {% endfor %}
 {% endif %}