--- version: rssac002v3 service: j.root-servers.net start-period: '2018-06-02T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5251950276 dns-udp-queries-received-ipv6: 531509252 dns-tcp-queries-received-ipv4: 248034495 dns-tcp-queries-received-ipv6: 17512481 dns-udp-responses-sent-ipv4: 5075786045 dns-udp-responses-sent-ipv6: 522650507 dns-tcp-responses-sent-ipv4: 192201751 dns-tcp-responses-sent-ipv6: 17396022