---
service: h.root-servers.net
metric: traffic-volume
version: rssac002v3
start-period: '2019-01-11T00:00:00Z'
dns-udp-queries-received-ipv4: 2176040498
dns-udp-queries-received-ipv6: 493278899
dns-tcp-queries-received-ipv4: 43101181
dns-tcp-queries-received-ipv6: 14955521
dns-udp-responses-sent-ipv4: 2172607044
dns-udp-responses-sent-ipv6: 492820031
dns-tcp-responses-sent-ipv4: 40524313
dns-tcp-responses-sent-ipv6: 14278205