netbox-ddns/netbox_ddns/templates/netbox_ddns/ipaddress/dns_refresh_button.html

{% if perms.ipam.change_ipaddress %}
    <form method="post" style="display: inline-block">
        {% csrf_token %}

        <button type="submit" name="_edit"
                formaction="{% url 'plugins:netbox_ddns:ipaddress_dnsname_recreate' ipaddress_pk=object.pk %}"
                class="btn btn-default">
            <span class="glyphicon glyphicon-refresh" aria-hidden="true"></span> Recreate DNS
        </button>
    </form>
{% endif %}