--- version: rssac002v3 service: i.root-servers.net start-period: '2017-05-27T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4999823015 dns-udp-queries-received-ipv6: 645315789 dns-tcp-queries-received-ipv4: 54060777 dns-tcp-queries-received-ipv6: 7464549 dns-udp-responses-sent-ipv4: 4979305382 dns-udp-responses-sent-ipv6: 645225505 dns-tcp-responses-sent-ipv4: 54466606 dns-tcp-responses-sent-ipv6: 7578671