--- version: rssac002v4 service: a.root-servers.net start-period: '2022-03-30T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5006009992 dns-udp-queries-received-ipv6: 1316324647 dns-tcp-queries-received-ipv4: 271816781 dns-tcp-queries-received-ipv6: 53861973 dns-udp-responses-sent-ipv4: 5049362890 dns-udp-responses-sent-ipv6: 1319369113 dns-tcp-responses-sent-ipv4: 269986264 dns-tcp-responses-sent-ipv6: 53893109