--- version: rssac002v4 service: j.root-servers.net start-period: '2023-01-07T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6228957796 dns-udp-queries-received-ipv6: 1757783983 dns-tcp-queries-received-ipv4: 263467826 dns-tcp-queries-received-ipv6: 84027262 dns-udp-responses-sent-ipv4: 5967727974 dns-udp-responses-sent-ipv6: 1740913374 dns-tcp-responses-sent-ipv4: 197955047 dns-tcp-responses-sent-ipv6: 76977876