The literal root .substack is not in the current IANA delegation list
No service addresses recorded.
The literal root .substack is not in the current IANA delegation list. The comparison may still show observed renewal or transfer information for existing names.
Review the registry DNSSEC fields and the chosen registrar’s documented DNSSEC feature. The available data does not establish an individual-domain DNSSEC workflow for .substack.
The registry record currently does not establish every policy or syntax field for .substack. Missing evidence is shown as unknown rather than treated as permission, a restriction, or a DNSSEC capability.