--- version: rssac002v3 service: j.root-servers.net start-period: '2021-04-08T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6644148770 dns-udp-queries-received-ipv6: 1405376517 dns-tcp-queries-received-ipv4: 550640027 dns-tcp-queries-received-ipv6: 105350685 dns-udp-responses-sent-ipv4: 6172150221 dns-udp-responses-sent-ipv6: 1385115285 dns-tcp-responses-sent-ipv4: 390434150 dns-tcp-responses-sent-ipv6: 99239675