--- version: rssac002v3 service: j.root-servers.net start-period: '2021-01-17T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6572139453 dns-udp-queries-received-ipv6: 1284745213 dns-tcp-queries-received-ipv4: 617599915 dns-tcp-queries-received-ipv6: 93127984 dns-udp-responses-sent-ipv4: 6047259380 dns-udp-responses-sent-ipv6: 1281012814 dns-tcp-responses-sent-ipv4: 426021213 dns-tcp-responses-sent-ipv6: 93179112