--- version: rssac002v3 service: i.root-servers.net start-period: '2018-04-16T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5734861311 dns-udp-queries-received-ipv6: 728220260 dns-tcp-queries-received-ipv4: 122152946 dns-tcp-queries-received-ipv6: 19026012 dns-udp-responses-sent-ipv4: 5764350045 dns-udp-responses-sent-ipv6: 728222825 dns-tcp-responses-sent-ipv4: 120247670 dns-tcp-responses-sent-ipv6: 19035031