%% You should probably cite rfc9210 instead of this I-D. @techreport{ietf-dnsop-dns-tcp-requirements-03, number = {draft-ietf-dnsop-dns-tcp-requirements-03}, type = {Internet-Draft}, institution = {Internet Engineering Task Force}, publisher = {Internet Engineering Task Force}, note = {Work in Progress}, url = {https://datatracker.ietf.org/doc/draft-ietf-dnsop-dns-tcp-requirements/03/}, author = {John Kristoff and Duane Wessels}, title = {{DNS Transport over TCP - Operational Requirements}}, pagetotal = 21, year = 2019, month = jan, day = 2, abstract = {This document encourages the practice of permitting DNS messages to be carried over TCP on the Internet. It also considers the consequences with this form of DNS communication and the potential operational issues that can arise when this best common practice is not upheld.}, }