--- version: rssac002v4 service: a.root-servers.net start-period: '2022-06-25T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5230776470 dns-udp-queries-received-ipv6: 1724997633 dns-tcp-queries-received-ipv4: 369809284 dns-tcp-queries-received-ipv6: 72814136 dns-udp-responses-sent-ipv4: 4956322670 dns-udp-responses-sent-ipv6: 1721390972 dns-tcp-responses-sent-ipv4: 301102132 dns-tcp-responses-sent-ipv6: 72412460