--- version: rssac002v3 service: j.root-servers.net start-period: '2018-03-28T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4670938208 dns-udp-queries-received-ipv6: 396949241 dns-tcp-queries-received-ipv4: 176139906 dns-tcp-queries-received-ipv6: 15796718 dns-udp-responses-sent-ipv4: 4555540853 dns-udp-responses-sent-ipv6: 394590759 dns-tcp-responses-sent-ipv4: 147507805 dns-tcp-responses-sent-ipv6: 15838392