--- version: rssac002v3 service: i.root-servers.net start-period: '2020-12-02T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6359321370 dns-udp-queries-received-ipv6: 1439562792 dns-tcp-queries-received-ipv4: 636937638 dns-tcp-queries-received-ipv6: 202720616 dns-udp-responses-sent-ipv4: 4614603165 dns-udp-responses-sent-ipv6: 1236998485 dns-tcp-responses-sent-ipv4: 504308260 dns-tcp-responses-sent-ipv6: 196465364