hickory-resolver is used at run time in 131 crates (of which 65 optionally). It is a direct run-time dependency in 52 crates. It's used only as a dev dependency in 10 crates (of which 2 directly).

Depender (with downloads and own rev deps) hickory-resolver version
5.1M 8693 reqwest optional ^0.24
223K 6 libp2p-dns ^0.24.0
29K 13 async-std-resolver ^0.24.0
8.1K reqwest-hickory-resolver ^0.24
6.6K 1 hyper-hickory ^0.24
18K 3 shadowsocks optional ^0.24
16K 1 shadowsocks-service optional ^0.24
4.1K 2 mail-auth ^0.24
11K 6 hickory-server optional ^0.24.0
3.6K 1 nerum-core ^0.24
3.3K 12 iroh-net ^0.24.0
8.3K 4 binstalk-downloader optional ^0.24.0
2.4K 1 rust-ipfs ^0.24.1
1.3K 7 sequoia-net ^0.24
1.2K 2 csaf-walker ^0.24.0
3.5K reqwest-impersonate optional ^0.24
750 realm_core ^0.24
650 oha ^0.24.0
650 volo-http ^0.24
600 1 rushmap-core ^0.24
550 2 domainscan ^0.24
500 2 external-ip ^0.24
430 1 netprobe ^0.24
390 ttfb ^0.24.0
240 dns-bench ^0.24.1
230 trippy ^0.24.0
220 2 hickory-recursor ^0.24.0
200 nscan ^0.24
200 homestar-runtime ^0.24
170 lan-mouse ^0.24.1
160 portier_broker ^0.24.0
140 nu_plugin_dns ^0.24.1
140 1 acme-validation-propagation ^0.24
140 dkimdo ^0.24.1
130 hyper-client-io-wizard ^0.24
130 hickory-util ^0.24.0
850 6 agnostic optional ^0.24
crab-hole ^0.24.0
650 5 nodecraft optional ^0.24
1 idns ^0.24.0
retina-record ^0.24.0
tls-certificate-exporter ^0.24.0
550 5 veilid-core optional ^0.24.0
fernglas ^0.24
2 netscan ^0.24
500 2 viadkim optional ^0.24.0
sarascript ^0.24.0
440 3 email-lib optional ^0.24
100 apisdk optional ^0.24
flytrap optional ^0.24
430 iroh-dns-server dev ^0.24.0
280 hickory-dns dev ^0.24.0
130 dns-mock-server dev ^0.24.0
dns-firewall dev ^0.24.0