--- version: rssac002v4 service: a.root-servers.net start-period: '2024-01-13T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7767297425 dns-udp-queries-received-ipv6: 1538868245 dns-tcp-queries-received-ipv4: 395895888 dns-tcp-queries-received-ipv6: 69832936 dns-udp-responses-sent-ipv4: 7582035225 dns-udp-responses-sent-ipv6: 1511102947 dns-tcp-responses-sent-ipv4: 368646125 dns-tcp-responses-sent-ipv6: 56356119