--- version: rssac002v3 service: j.root-servers.net start-period: '2020-01-01T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 9024419846 dns-udp-queries-received-ipv6: 1290556567 dns-tcp-queries-received-ipv4: 810649523 dns-tcp-queries-received-ipv6: 153359871 dns-udp-responses-sent-ipv4: 8196306558 dns-udp-responses-sent-ipv6: 1252095637 dns-tcp-responses-sent-ipv4: 594316600 dns-tcp-responses-sent-ipv6: 137355403