--- version: rssac002v3 service: a.root-servers.net start-period: '2019-10-05T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6931346542 dns-udp-queries-received-ipv6: 1320750238 dns-tcp-queries-received-ipv4: 203787657 dns-tcp-queries-received-ipv6: 35644466 dns-udp-responses-sent-ipv4: 6609410015 dns-udp-responses-sent-ipv6: 1320271751 dns-tcp-responses-sent-ipv4: 199198110 dns-tcp-responses-sent-ipv6: 36566552