--- version: rssac002v3 service: j.root-servers.net start-period: '2019-03-24T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6466415962 dns-udp-queries-received-ipv6: 998180664 dns-tcp-queries-received-ipv4: 435452094 dns-tcp-queries-received-ipv6: 103254877 dns-udp-responses-sent-ipv4: 6118759301 dns-udp-responses-sent-ipv6: 925466018 dns-tcp-responses-sent-ipv4: 342542850 dns-tcp-responses-sent-ipv6: 67857912