--- version: rssac002v3 service: i.root-servers.net start-period: '2018-05-29T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5678770551 dns-udp-queries-received-ipv6: 871018290 dns-tcp-queries-received-ipv4: 129057156 dns-tcp-queries-received-ipv6: 16503128 dns-udp-responses-sent-ipv4: 5738644788 dns-udp-responses-sent-ipv6: 881868366 dns-tcp-responses-sent-ipv4: 125904200 dns-tcp-responses-sent-ipv6: 16504587