If you manage more than a handful of domains, sooner or later one of these happens: a domain nobody remembered renewing expires, a client's domain loses its transfer lock, or someone asks "which of our 300 domains still have DMARC at p=none ? " Each of those has an answer in public data. The reg...
Source: [Dev.to](https://dev.to/tidytools/bulk-whois-with-rdap-domain-age-expiry-and-spfdmarc-grade-for-1000-domains-3m7k)