if _, ok := dns2.IsDomainName(domainName); !ok {
				logger.Fatal(config.ErrInvalidDomainValue(nil).Msg("Unknown value `%s`", domainName),
					"Invalid MINIO_DOMAIN value in environment variable")
			}
			globalDomainNames = append(globalDomainNames, domainName)
		}
		sort.Strings(globalDomainNames)
		lcpSuf := lcpSuffix(globalDomainNames)