--- version: rssac002v4 service: a.root-servers.net start-period: '2022-07-09T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5293317062 dns-udp-queries-received-ipv6: 1692509839 dns-tcp-queries-received-ipv4: 356659935 dns-tcp-queries-received-ipv6: 42217630 dns-udp-responses-sent-ipv4: 4948260114 dns-udp-responses-sent-ipv6: 1688324215 dns-tcp-responses-sent-ipv4: 288659602 dns-tcp-responses-sent-ipv6: 41532118