--- version: rssac002v3 service: i.root-servers.net start-period: '2022-02-15T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7295956874 dns-udp-queries-received-ipv6: 1723793542 dns-tcp-queries-received-ipv4: 716500990 dns-tcp-queries-received-ipv6: 71166211 dns-udp-responses-sent-ipv4: 6260421481 dns-udp-responses-sent-ipv6: 1603342865 dns-tcp-responses-sent-ipv4: 695482490 dns-tcp-responses-sent-ipv6: 54171530