Procedural tutorials with HowTo structured data — linked from tool hubs and insights playbooks.
Mail routing priorities, failover, and SPF/DMARC alignment.
Expiry, issuer trust, and TLS continuity before transfers.
Nameserver authority, A/AAAA maps, and propagation checks.
Delegation, control boundaries, and migration risk.
Creation dates, expiry horizons, and lifecycle context.
