--- version: rssac002v3 service: j.root-servers.net start-period: '2020-03-21T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 9167208827 dns-udp-queries-received-ipv6: 1512564878 dns-tcp-queries-received-ipv4: 687818881 dns-tcp-queries-received-ipv6: 128008059 dns-udp-responses-sent-ipv4: 8535283365 dns-udp-responses-sent-ipv6: 1489151576 dns-tcp-responses-sent-ipv4: 525958707 dns-tcp-responses-sent-ipv6: 121286234