Column

ODVR statistics

Resolver instances - Statistics of daily QPS averages for each resolver instance during the last 30 days before March 31, 2025

Server Max QPS Min QPS Trend Average
s-01 4 576 3 186 3 989
b-01 4 528 3 143 3 951
b-02 2 491 1 586 2 077
r-01 2 469 1 602 2 061

Return codes - Statistics of daily QPS averages for queries responded with a given RCODE during the last 30 days before March 31, 2025

RCODE Max QPS Min QPS Trend Average
NoError 11 849 8 043 10 311
NXDomain 1 623 1 004 1 309
ServFail 547 250 354
Refused 148 28 104
YXDomain 0 0 0

Query types - Statistics of daily QPS averages for queries with a given QTYPE during the last 30 days before March 31, 2025

QTYPE Max QPS Min QPS Trend Average
A 7 492 5 212 6 555
AAAA 1 835 1 514 1 721
PTR 686 506 602
NS 657 469 577
Other 934 351 540
DS 460 335 404
TXT 108 46 64
MX 81 20 40

Top domains

Top 1000 domains by client cardinality magnitude on March 30, 2025

DNS magnitude is a number in the range 0–10 expressing “popularity” of a domain based on client cardinality (number of unique client IP addresses). For details see Mayrhofer et al. (2000).

Column

Transport protocols

Daily QPS averages for transport protocols

IP versions

Daily QPS averages for IPv4 and IPv6