--- version: rssac002v4 service: a.root-servers.net start-period: '2022-12-27T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6402293703 dns-udp-queries-received-ipv6: 1832618195 dns-tcp-queries-received-ipv4: 331601830 dns-tcp-queries-received-ipv6: 74856899 dns-udp-responses-sent-ipv4: 6219827870 dns-udp-responses-sent-ipv6: 1787888783 dns-tcp-responses-sent-ipv4: 299173302 dns-tcp-responses-sent-ipv6: 72360128