Column

ODVR statistics

Resolver instances - Statistics of daily QPS averages for each resolver instance during the last 30 days before April 12, 2026

Server Max QPS Min QPS Trend Average
b-01 4 013 1 739 2 837
b-03 3 822 1 767 2 808
r-01 3 620 1 775 2 757
s-02 3 224 1 456 1 935
b-02 3 456 225 1 826
r-02 3 109 342 1 803
b-04 3 123 597 1 715
s-01 3 857 0 1 168

Return codes - Statistics of daily QPS averages for queries responded with a given RCODE during the last 30 days before April 12, 2026

RCODE Max QPS Min QPS Trend Average
NoError 15 629 7 119 11 753
NXDomain 2 534 1 248 1 916
ServFail 6 866 394 1 510
NotImp 2 193 8 337
Refused 75 35 52
YXDomain 0 0 0

Query types - Statistics of daily QPS averages for queries with a given QTYPE during the last 30 days before April 12, 2026

QTYPE Max QPS Min QPS Trend Average
A 9 639 4 877 7 723
AAAA 2 710 1 527 2 113
ANY 8 146 102 1 298
PTR 896 421 740
Other 891 476 637
NS 1 510 285 580
MX 953 23 417
TXT 1 478 29 225
CNAME 907 61 190

Top domains

Top 1000 domains by client cardinality magnitude on April 11, 2026

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