--- version: rssac002v4 service: j.root-servers.net start-period: '2022-04-09T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5666207244 dns-udp-queries-received-ipv6: 1348642536 dns-tcp-queries-received-ipv4: 381051823 dns-tcp-queries-received-ipv6: 53477980 dns-udp-responses-sent-ipv4: 5279515153 dns-udp-responses-sent-ipv6: 1331151806 dns-tcp-responses-sent-ipv4: 253216179 dns-tcp-responses-sent-ipv6: 53228767