1625508349665 Retrieving the expiration date of a domain using RDAP Domains RDAP One of the most common problems with domain names is accidental name expiration. " We forgot to renew it" and paf nothing works anymore. However, the date on which the domain expires is publicly announced, via protocols like whois or RDAP.
1624366314693 Processing new EDNS options in a program Internet DNS The DNS protocol makes it possible to attach metadata to questions or answers through the EDNS extension, standardized in RFC 6891. A number of options are already standardized and can be manipulated from a program, via a DNS library.