--- version: rssac002v3 service: a.root-servers.net start-period: '2017-11-23T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3253702073 dns-udp-queries-received-ipv6: 377278322 dns-tcp-queries-received-ipv4: 86352957 dns-tcp-queries-received-ipv6: 13842532 dns-udp-responses-sent-ipv4: 3250834454 dns-udp-responses-sent-ipv6: 377252180 dns-tcp-responses-sent-ipv4: 86506898 dns-tcp-responses-sent-ipv6: 13932067