--- version: rssac002v3 service: i.root-servers.net start-period: '2020-06-07T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5874526416 dns-udp-queries-received-ipv6: 1182608573 dns-tcp-queries-received-ipv4: 674544478 dns-tcp-queries-received-ipv6: 175615698 dns-udp-responses-sent-ipv4: 4736153400 dns-udp-responses-sent-ipv6: 1060941293 dns-tcp-responses-sent-ipv4: 558766887 dns-tcp-responses-sent-ipv6: 160013033