--- version: rssac002v4 service: a.root-servers.net start-period: '2024-01-31T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7930869719 dns-udp-queries-received-ipv6: 1955219161 dns-tcp-queries-received-ipv4: 363839429 dns-tcp-queries-received-ipv6: 61419860 dns-udp-responses-sent-ipv4: 7755099746 dns-udp-responses-sent-ipv6: 1932030327 dns-tcp-responses-sent-ipv4: 342714792 dns-tcp-responses-sent-ipv6: 51091959