Shell script to test the performance of the most popular DNS resolvers from your location.
Includes the redundant servers of notable DNS providers by default:
- AdGuard
- CleanBrowsing
- Cloudflare (1.1.1.1)
- Comodo
- DNS.Watch
- Google (8.8.8.8)
- Level3 (4.2.2.1)
- Neustar
- OpenDNS (208.67.222.222)
- OracleDyn
- Quad9 (9.9.9.9)
As well as the redundant servers of these other well-known providers:
- AlternateDNS
- ControlD
- DNSFilter
- Freenom
- NextDNS
- NortonCS
- SafeDNS
- UncensoredDNS
- Verisign
- Yandex
13 default domain names are tested, with many others available as toggleable in the code:
- docker.io
- github.com
- gmail.com
- www.amazon.com
- www.apple.com
- www.facebook.com
- www.google.com
- www.paypal.com
- www.reddit.com
- www.twitter.com
- www.wikipedia.org
- www.yahoo.com
- www.youtube.com
You need to install dig. bc is no longer a requirement.
# bash dnstest.sh
TESTING DOMAINS:
Test Domain Name
---- ---------------
t1: docker.io
t2: github.com
t3: gmail.com
t4: www.amazon.com
t5: www.apple.com
t6: www.facebook.com
t7: www.google.com
t8: www.paypal.com
t9: www.reddit.com
t10: www.twitter.com
t11: www.wikipedia.org
t12: www.yahoo.com
t13: www.youtube.com
ALPHABETICAL TESTING:
Provider t1 t2 t3 t4 t5 t6 t7 t8 t9 t10 t11 t12 t13 Median ms
--------------- --- --- --- --- --- --- --- --- --- --- --- --- --- ---------
pihole-FTL 1 1 1 1 1 1 1 1 1 1 1 1 1 1.00 ms
nameserver/1 49 21 64 82 79 20 19 19 20 19 74 20 19 38.85 ms
nameserver/2 50 69 52 29 30 22 21 20 21 19 49 19 22 32.54 ms
AdGuard/1 106 56 84 56 55 57 55 56 58 58 202 56 58 73.62 ms
AdGuard/2 56 55 56 57 58 58 58 56 57 57 58 58 56 56.92 ms
AlternateDNS/1 76 76 75 76 76 76 76 75 78 74 77 75 76 75.85 ms
AlternateDNS/2 76 76 80 76 76 77 72 73 77 78 78 76 76 76.23 ms
CleanBrowsing/1 97 81 79 81 80 80 82 83 79 84 81 80 83 82.31 ms
CleanBrowsing/2 57 55 56 55 55 55 53 57 55 55 56 56 55 55.38 ms
Cloudflare/1 50 47 49 45 48 48 46 48 48 50 48 50 45 47.85 ms
Cloudflare/2 49 48 49 49 46 44 49 48 48 49 45 49 46 47.62 ms
Comodo/1 30 29 31 30 32 30 32 31 30 30 149 28 31 39.46 ms
Comodo/2 30 25 30 30 30 31 31 30 30 30 30 31 33 30.08 ms
ControlD/1 24 20 35 22 32 21 21 61 21 26 182 21 21 39.00 ms
ControlD/2 21 21 19 20 22 21 19 22 20 21 20 20 19 20.38 ms
DNSFilter/1 19 17 18 19 19 20 18 17 19 20 20 20 19 18.85 ms
DNSFilter/2 21 22 21 18 19 20 20 22 21 22 21 19 20 20.46 ms
DNS.Watch/1 162 167 164 162 163 176 162 166 165 167 183 175 165 167.46 ms
DNS.Watch/2 159 160 165 166 164 182 167 162 * 162 170 161 166 999 1-to
Freenom/1 399 194 360 264 286 193 196 556 * 205 620 258 195 999 1-to
Freenom/2 412 191 311 507 288 195 195 205 301 235 614 724 194 336.31 ms
Google/1 20 20 18 29 23 19 18 19 18 17 55 17 19 22.46 ms
Google/2 17 21 26 61 23 19 18 18 20 21 18 19 21 23.23 ms
Level3/1 21 18 18 18 20 17 18 18 17 19 18 20 20 18.62 ms
Level3/2 19 17 16 18 19 18 17 21 17 20 21 16 20 18.38 ms
Neustar/1 61 27 28 24 28 25 26 27 27 28 28 27 26 29.38 ms
Neustar/2 18 20 19 38 21 20 21 18 19 19 19 19 21 20.92 ms
NextDNS/1 20 18 19 21 19 20 19 21 18 21 20 20 19 19.62 ms
NextDNS/2 54 21 19 20 14 20 21 22 20 21 21 21 20 22.62 ms
NortonCS/1 33 20 19 19 21 20 20 20 19 18 21 19 19 20.62 ms
NortonCS/2 43 29 26 24 27 24 27 26 27 25 26 27 27 27.54 ms
OpenDNS/1 21 21 34 48 29 19 20 18 20 19 79 18 20 28.15 ms
OpenDNS/2 22 22 37 60 19 30 18 19 19 19 18 19 21 24.85 ms
OracleDyn/1 39 29 27 24 25 27 25 23 29 30 25 30 28 27.77 ms
OracleDyn/2 40 31 28 27 27 27 28 32 29 26 27 28 28 29.08 ms
Quad9/1 21 20 21 19 21 20 20 19 18 19 20 19 19 19.69 ms
Quad9/2 18 22 19 24 19 20 21 21 19 21 19 20 20 20.23 ms
SafeDNS/1 137 136 146 163 135 135 146 137 134 132 135 136 176 142.15 ms
SafeDNS/2 136 135 134 136 136 135 137 136 135 135 135 135 135 135.38 ms
UncensoredDNS/1 * * * * * * * * * * * * * 999 13-to
UncensoredDNS/2 * * * * * * * * * * * * * 999 13-to
Verisign/1 33 28 29 27 28 27 27 27 27 27 28 27 25 27.69 ms
Verisign/2 21 18 19 19 14 18 18 19 18 20 21 20 20 18.85 ms
Yandex/1 203 210 202 197 192 201 206 204 623 199 202 198 185 232.46 ms
Yandex/2 194 187 189 190 195 207 188 214 209 186 206 202 187 196.46 ms
RESULTS SORTED BY MEDIAN RESPONSE TIME (dnstest.sh.sorted.log):
Provider t1 t2 t3 t4 t5 t6 t7 t8 t9 t10 t11 t12 t13 Median ms
--------------- --- --- --- --- --- --- --- --- --- --- --- --- --- ---------
pihole-FTL 1 1 1 1 1 1 1 1 1 1 1 1 1 1.00 ms
Level3/2 19 17 16 18 19 18 17 21 17 20 21 16 20 18.38 ms
Level3/1 21 18 18 18 20 17 18 18 17 19 18 20 20 18.62 ms
DNSFilter/1 19 17 18 19 19 20 18 17 19 20 20 20 19 18.85 ms
Verisign/2 21 18 19 19 14 18 18 19 18 20 21 20 20 18.85 ms
NextDNS/1 20 18 19 21 19 20 19 21 18 21 20 20 19 19.62 ms
Quad9/1 21 20 21 19 21 20 20 19 18 19 20 19 19 19.69 ms
Quad9/2 18 22 19 24 19 20 21 21 19 21 19 20 20 20.23 ms
ControlD/2 21 21 19 20 22 21 19 22 20 21 20 20 19 20.38 ms
DNSFilter/2 21 22 21 18 19 20 20 22 21 22 21 19 20 20.46 ms
NortonCS/1 33 20 19 19 21 20 20 20 19 18 21 19 19 20.62 ms
Neustar/2 18 20 19 38 21 20 21 18 19 19 19 19 21 20.92 ms
Google/1 20 20 18 29 23 19 18 19 18 17 55 17 19 22.46 ms
NextDNS/2 54 21 19 20 14 20 21 22 20 21 21 21 20 22.62 ms
Google/2 17 21 26 61 23 19 18 18 20 21 18 19 21 23.23 ms
OpenDNS/2 22 22 37 60 19 30 18 19 19 19 18 19 21 24.85 ms
NortonCS/2 43 29 26 24 27 24 27 26 27 25 26 27 27 27.54 ms
Verisign/1 33 28 29 27 28 27 27 27 27 27 28 27 25 27.69 ms
OracleDyn/1 39 29 27 24 25 27 25 23 29 30 25 30 28 27.77 ms
OpenDNS/1 21 21 34 48 29 19 20 18 20 19 79 18 20 28.15 ms
OracleDyn/2 40 31 28 27 27 27 28 32 29 26 27 28 28 29.08 ms
Neustar/1 61 27 28 24 28 25 26 27 27 28 28 27 26 29.38 ms
Comodo/2 30 25 30 30 30 31 31 30 30 30 30 31 33 30.08 ms
nameserver/2 50 69 52 29 30 22 21 20 21 19 49 19 22 32.54 ms
nameserver/1 49 21 64 82 79 20 19 19 20 19 74 20 19 38.85 ms
ControlD/1 24 20 35 22 32 21 21 61 21 26 182 21 21 39.00 ms
Comodo/1 30 29 31 30 32 30 32 31 30 30 149 28 31 39.46 ms
Cloudflare/2 49 48 49 49 46 44 49 48 48 49 45 49 46 47.62 ms
Cloudflare/1 50 47 49 45 48 48 46 48 48 50 48 50 45 47.85 ms
CleanBrowsing/2 57 55 56 55 55 55 53 57 55 55 56 56 55 55.38 ms
AdGuard/2 56 55 56 57 58 58 58 56 57 57 58 58 56 56.92 ms
AdGuard/1 106 56 84 56 55 57 55 56 58 58 202 56 58 73.62 ms
AlternateDNS/1 76 76 75 76 76 76 76 75 78 74 77 75 76 75.85 ms
AlternateDNS/2 76 76 80 76 76 77 72 73 77 78 78 76 76 76.23 ms
CleanBrowsing/1 97 81 79 81 80 80 82 83 79 84 81 80 83 82.31 ms
SafeDNS/2 136 135 134 136 136 135 137 136 135 135 135 135 135 135.38 ms
SafeDNS/1 137 136 146 163 135 135 146 137 134 132 135 136 176 142.15 ms
DNS.Watch/1 162 167 164 162 163 176 162 166 165 167 183 175 165 167.46 ms
Yandex/2 194 187 189 190 195 207 188 214 209 186 206 202 187 196.46 ms
Yandex/1 203 210 202 197 192 201 206 204 623 199 202 198 185 232.46 ms
Freenom/2 412 191 311 507 288 195 195 205 301 235 614 724 194 336.31 ms
DNS.Watch/2 159 160 165 166 164 182 167 162 * 162 170 161 166 999 1-to
Freenom/1 399 194 360 264 286 193 196 556 * 205 620 258 195 999 1-to
UncensoredDNS/1 * * * * * * * * * * * * * 999 13-to
UncensoredDNS/2 * * * * * * * * * * * * * 999 13-to