--- version: rssac002v3 service: i.root-servers.net start-period: '2018-03-24T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5266760383 dns-udp-queries-received-ipv6: 689095847 dns-tcp-queries-received-ipv4: 125728357 dns-tcp-queries-received-ipv6: 14566819 dns-udp-responses-sent-ipv4: 5305021384 dns-udp-responses-sent-ipv6: 684934651 dns-tcp-responses-sent-ipv4: 124303800 dns-tcp-responses-sent-ipv6: 14589515