This is what it means:

$ rdapper ycombinator.com # cf. https://github.com/gbxyz/rdapper

Handle : 147225527_DOMAIN_COM-VRSN Status : client transfer prohibited secureDNS : {"secureDNS":{"delegationSigned":false}} objectClassName : domain ldhName : YCOMBINATOR.COM nameservers : {"nameservers":[{"ldhName":"NS-1411.AWSDNS-48.ORG","objectClassName":"nameserver"},{"ldhName":"NS-1914.AWSDNS-47.CO.UK","objectClassName":"nameserver"},{"ldhName":"NS-225.AWSDNS-28.COM","objectClassName":"nameserver"},{"ldhName":"NS-556.AWSDNS-05.NET","objectClassName":"nameserver"}]} events : {"events":[{"eventDate":"2005-03-20T23:51:07Z","eventAction":"registration"},{"eventAction":"expiration","eventDate":"2026-03-20T22:51:07Z"},{"eventDate":"2025-02-14T02:53:36Z","eventAction":"last changed"},{"eventDate":"2025-03-17T01:38:05Z","eventAction":"last update of RDAP database"}]}

================================ Terms of Use ================================

Service subject to Terms of Use.

================================ Status Codes ================================

For more information on domain status codes, please visit https://icann.org/epp

======================= RDDS Inaccuracy Complaint Form =======================

URL of the ICANN RDDS Inaccuracy Complaint Form: https://icann.org/wicf

Edit: Fixed formatting of command line/comment.