--- version: rssac002v3 service: i.root-servers.net start-period: '2017-02-05T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6540426076 dns-udp-queries-received-ipv6: 820618421 dns-tcp-queries-received-ipv4: 81740580 dns-tcp-queries-received-ipv6: 7193635 dns-udp-responses-sent-ipv4: 6583419996 dns-udp-responses-sent-ipv6: 821635893 dns-tcp-responses-sent-ipv4: 83147777 dns-tcp-responses-sent-ipv6: 7251959