Yes -- "DNS uses TCP when the size of the request or the response is greater than a single packet such as with responses that have many records or many IPv6 res

Yes -- "DNS uses TCP when the size of the request or the response is greater than a single packet such as with responses that have many records or many IPv6 responses or most DNSSEC responses." [1] 1. https://serverfault.com/questions/404840/when-do-dns-queries-use-tcp-instead-of-udp https://serverfault.com/questions/404840/when-do-dns-queries...