--- version: rssac002v4 service: a.root-servers.net start-period: '2023-01-25T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6806539529 dns-udp-queries-received-ipv6: 1805579602 dns-tcp-queries-received-ipv4: 365728353 dns-tcp-queries-received-ipv6: 150863127 dns-udp-responses-sent-ipv4: 6502474200 dns-udp-responses-sent-ipv6: 1720133444 dns-tcp-responses-sent-ipv4: 323557214 dns-tcp-responses-sent-ipv6: 139400363