Am Wed, 13 Nov 2019 16:54:00 +0100 schrieb Olaf Hering : > During this time all "FullyQualifiedDomainName" requests will be > answered with an empty string. > + strcpy(key_value, full_domain_name ? : ""); > strcpy(key_name, "FullyQualifiedDomainName"); KY, Haiyang, Stephen, please check if the host side can actually handle such temporary, empty string. If the tools cache the first result, the implemented approach can not work. If that is indeed the case, is there some sort of -ERETRY in the protocol? Olaf