Tenant DNS Record Types in Python: Let the Consumer Define the Contract
Short answer: a DNS record type is part of a consumer-owned lookup contract, so publish the owner name, type, and value that the receiving system actually queries; for a tenant mail subdomain using DMARC, that means validating the TXT policy at _dmarc. and collecting receiver reports before tightening enforcement. A successful write to a DNS control plane proves only that a write happened. It doesn't prove that the intended consumer can discover, parse, or act on the result. That distinction ma…