--- version: rssac002v4 service: a.root-servers.net start-period: '2023-01-17T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6502696980 dns-udp-queries-received-ipv6: 1986718710 dns-tcp-queries-received-ipv4: 390683256 dns-tcp-queries-received-ipv6: 100262243 dns-udp-responses-sent-ipv4: 6164399883 dns-udp-responses-sent-ipv6: 1849201234 dns-tcp-responses-sent-ipv4: 334232113 dns-tcp-responses-sent-ipv6: 85066846