instant-epp/epp-client/test/resources/request/domain/check.xml

<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<epp xmlns="urn:ietf:params:xml:ns:epp-1.0">
    <command>
        <check>
            <domain:check xmlns:domain="urn:ietf:params:xml:ns:domain-1.0">
                <domain:name>eppdev.com</domain:name>
                <domain:name>eppdev.net</domain:name>
            </domain:check>
        </check>
        <clTRID>cltrid:1626454866</clTRID>
    </command>
</epp>