--- version: rssac002v3 service: i.root-servers.net start-period: '2018-11-18T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5131756689 dns-udp-queries-received-ipv6: 1115587977 dns-tcp-queries-received-ipv4: 128469529 dns-tcp-queries-received-ipv6: 28547697 dns-udp-responses-sent-ipv4: 5057636658 dns-udp-responses-sent-ipv6: 1120284006 dns-tcp-responses-sent-ipv4: 126369710 dns-tcp-responses-sent-ipv6: 27874057