--- version: rssac002v4 service: a.root-servers.net start-period: '2022-06-30T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5852360535 dns-udp-queries-received-ipv6: 1949536336 dns-tcp-queries-received-ipv4: 382120283 dns-tcp-queries-received-ipv6: 96944633 dns-udp-responses-sent-ipv4: 5587914944 dns-udp-responses-sent-ipv6: 1943278053 dns-tcp-responses-sent-ipv4: 326569891 dns-tcp-responses-sent-ipv6: 95998497