--- version: rssac002v3 service: i.root-servers.net start-period: '2018-03-23T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5649601286 dns-udp-queries-received-ipv6: 714588714 dns-tcp-queries-received-ipv4: 127280597 dns-tcp-queries-received-ipv6: 15405384 dns-udp-responses-sent-ipv4: 5693894643 dns-udp-responses-sent-ipv6: 710662272 dns-tcp-responses-sent-ipv4: 125892458 dns-tcp-responses-sent-ipv6: 15437991