--- version: rssac002v3 service: j.root-servers.net start-period: '2018-09-28T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6229879555 dns-udp-queries-received-ipv6: 745839703 dns-tcp-queries-received-ipv4: 292538201 dns-tcp-queries-received-ipv6: 28316103 dns-udp-responses-sent-ipv4: 5811213444 dns-udp-responses-sent-ipv6: 737220153 dns-tcp-responses-sent-ipv4: 215020749 dns-tcp-responses-sent-ipv6: 27207996