--- version: rssac002v3 service: i.root-servers.net start-period: '2020-12-23T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5240697491 dns-udp-queries-received-ipv6: 1020000085 dns-tcp-queries-received-ipv4: 544214397 dns-tcp-queries-received-ipv6: 136081000 dns-udp-responses-sent-ipv4: 4128210370 dns-udp-responses-sent-ipv6: 897908488 dns-tcp-responses-sent-ipv4: 415994476 dns-tcp-responses-sent-ipv6: 127038358