_acme-challenge.eptest-1.test-001.xcu2-8y8x.dev.cldr.work/TXT: A query for _acme-challenge.eptest-1.test-001.xcu2-8y8x.dev.cldr.work results in a NOERROR response, while a query for its ancestor, xcu2-8y8x.dev.cldr.work, returns a name error (NXDOMAIN), which indicates that subdomains of xcu2-8y8x.dev.cldr.work, including _acme-challenge.eptest-1.test-001.xcu2-8y8x.dev.cldr.work, don't exist. (205.251.192.85, 205.251.194.211, 205.251.197.203, 205.251.198.200, 2600:9000:5300:5500::1, 2600:9000:5302:d300::1, 2600:9000:5305:cb00::1, 2600:9000:5306:c800::1, UDP_-_EDNS0_4096_D_KN)