Public DNS Server List
Partner sites: StartTLS test | Free dynamic DNS with IPv6
DNS servers in United States
This list of public and free DNS servers is checked continuously. Read how to change your DNS server settings .
The table below is limited to the 100 recently checked servers.
| IPv4/IPv6 Address | Location | Software / Version | Checked at | State | Reliability | Whois |
|---|---|---|---|---|---|---|
|
45.33.12.13
li966-13.members.linode.com.
|
Dallas | PowerDNS Recursor 3.6.2 (jenkins@autotest.powerdns.com built 20150723142242 buildd@lgw01-43.buildd) |
valid
|
87 % | Whois | |
|
45.63.111.158
45.63.111.158.vultr.com.
|
Miami | 9.10.3-P4-Debian |
valid
|
86 % | Whois | |
|
45.33.81.76
li1027-76.members.linode.com.
|
Newark | PowerDNS Recursor 3.6.2 (jenkins@autotest.powerdns.com built 20150723142242 buildd@lgw01-43.buildd) |
valid
|
88 % | Whois | |
|
172.98.193.42
ns0.backplanedns.org.
|
Rochester | 9.10.3-P4-Debian |
valid
|
98 % | Whois | |
| 52.175.214.157 | Redmond | 9.10.3-P4-Ubuntu |
valid
|
94 % | Whois | |
| 156.154.70.43 | Herndon |
valid
|
95 % | Whois | ||
| 156.154.70.44 | Herndon |
valid
|
95 % | Whois | ||
|
104.238.141.130
resolver3.inviosolutions.com.
|
Los Angeles | 9.9.4-RedHat-9.9.4-51.el7 |
valid
|
99 % | Whois | |
| 192.211.0.10 |
valid
|
96 % | Whois | |||
| 2606:ed00:2:babe::10 |
valid
|
96 % | Whois | |||
|
156.154.71.42
mcd2.ultradns.net.
|
Herndon |
valid
|
95 % | Whois | ||
| 156.154.71.43 | Herndon |
valid
|
95 % | Whois | ||
|
108.61.119.41
resolver1.inviosolutions.com.
|
Elk Grove Village | 9.9.4-RedHat-9.9.4-51.el7 |
valid
|
99 % | Whois | |
|
45.63.11.127
resolver2.inviosolutions.com.
|
Matawan | 9.9.4-RedHat-9.9.4-51.el7 |
valid
|
93 % | Whois | |
|
2001:19f0:5c01:38e:5400:00ff:fe70:1e26
resolver1.inviosolutions.com.
|
9.9.4-RedHat-9.9.4-51.el7 |
valid
|
99 % | Whois | ||
|
2001:19f0:5:37:5400:00ff:fe70:1f74
resolver2.inviosolutions.com.
|
Piscataway | 9.9.4-RedHat-9.9.4-51.el7 |
valid
|
93 % | Whois | |
|
184.105.193.73
bind.odvr.dns-oarc.net.
|
Tuolumne | 9.11.1-P2 |
valid
|
99 % | Whois | |
|
184.105.193.74
unbound.odvr.dns-oarc.net.
|
Tuolumne | unbound 1.5.4 |
valid
|
95 % | Whois | |
|
216.52.190.1
ns1.dal.pnap.net.
|
Lewisville |
valid
|
93 % | Whois | ||
|
156.154.71.10
rdns2.ultradns.net.
|
Herndon |
valid
|
95 % | Whois | ||
| 156.154.71.11 | Herndon |
valid
|
95 % | Whois | ||
| 156.154.71.13 | Herndon |
valid
|
95 % | Whois | ||
| 156.154.71.14 | Herndon |
valid
|
95 % | Whois | ||
| 156.154.71.16 | Herndon |
valid
|
95 % | Whois | ||
| 156.154.71.18 | Herndon |
valid
|
95 % | Whois | ||
| 156.154.71.19 | Herndon |
valid
|
95 % | Whois | ||
| 156.154.71.29 | Herndon |
valid
|
95 % | Whois | ||
| 156.154.71.31 | Herndon |
valid
|
95 % | Whois | ||
| 156.154.71.33 | Herndon |
valid
|
95 % | Whois | ||
| 156.154.71.35 | Herndon |
valid
|
95 % | Whois | ||
|
156.154.71.37
rdns37b.ultradns.net.
|
Herndon |
valid
|
95 % | Whois | ||
| 156.154.71.38 | Herndon |
valid
|
95 % | Whois | ||
| 156.154.71.40 | Herndon |
valid
|
95 % | Whois | ||
|
192.157.241.147
us1.root.ucann2.net.
|
Chicago | none |
valid
|
81 % | Whois | |
| 83.222.124.187 | dnsmasq-2.68 |
valid
|
89 % | Whois | ||
|
68.87.75.194
nrcns.summitpark.pa.pitt.comcast.net.
|
Willow Springs | [SECURED] |
valid
|
99 % | Whois | |
|
151.202.0.84
nyc1-qwest.bellatlantic.net.
|
New York |
valid
|
96 % | Whois | ||
|
216.138.97.246
ns1.gtt.net.
|
Richardson | 9.8.4-rpz2+rl005.12-P1 |
valid
|
99 % | Whois | |
|
162.248.241.94
ns1.backplanedns.org.
|
Rochester | 9.10.3-P4-Debian |
valid
|
97 % | Whois | |
|
2604:a880:800:10::1f02:d001
ns10.ny.us.dns.opennic.glue.
|
Clifton | PowerDNS Recursor 4.0.0-alpha2 |
valid
|
95 % | Whois | |
| 156.154.71.26 | Herndon |
valid
|
95 % | Whois | ||
|
216.146.35.230
iid-rdns1.dyndns.com.
|
Manchester | unbound 1.4.12 |
valid
|
90 % | Whois | |
|
204.116.57.2
dns3.InfoAve.Net.
|
Okatie | Aww, Shucks!!! |
valid
|
92 % | Whois | |
|
216.116.96.2
nscl-01.tierzero.net.
|
Los Angeles | Tierzero BIND |
valid
|
96 % | Whois | |
|
23.94.60.240
23-94-60-240-host.colocrossing.com.
|
Buffalo | [hidden] |
valid
|
83 % | Whois | |
|
2605:f700:c0:1::3869:fb1a
us1.root.ucann2.net.
|
Chicago | none |
valid
|
88 % | Whois | |
| 2001:470:7655::54 |
valid
|
91 % | Whois | |||
|
74.113.60.185
74_113_60_185.h5colo.h5colo.com.
|
Dallas | unbound 1.4.20 |
valid
|
93 % | Whois | |
|
2001:470:bbf2:2::1
rec3.dns.lightningwirelabs.com.
|
unbound 1.4.20 |
valid
|
93 % | Whois | ||
|
209.0.205.50
ns2.bigcity.net.
|
Houston | 9.3.6-P1-RedHat-9.3.6-25.P1.el5_11.8 |
valid
|
97 % | Whois | |
|
104.238.195.139
a.vidaerios.trade.
|
Las Vegas | cryptostorm |
valid
|
95 % | Whois | |
|
2001:550:1:2::D
na-res2.dns.cogentco.com.
|
blue |
valid
|
96 % | Whois | ||
|
23.105.70.204
ayakats.deepdns.cryptostorm.net.
|
Phoenix | cryptostorm |
valid
|
95 % | Whois | |
| 2607:2200:2:0:0:0:0:100 | 9.8.2rc1-RedHat-9.8.2-0.37.rc1.el6_7.6 |
valid
|
99 % | Whois | ||
|
2001:4870:8000:3:0:0:0:5
ns2.twtelecom.net.
|
valid
|
95 % | Whois | |||
|
2605:B400:500::A00:1E1F
ns6.ipv6.adstx.net.
|
Adonis Server (www.bluecatnetworks.com) |
valid
|
84 % | Whois | ||
|
2605:b400:500:0:0:0:a00:1e1f
ns6.ipv6.adstx.net.
|
Adonis Server (www.bluecatnetworks.com) |
valid
|
84 % | Whois | ||
|
2602:ffaa:0:0:0:0:2:2
mail.mnvoip.com.
|
Microsoft DNS 6.1.7601 (1DB15CD4) |
valid
|
87 % | Whois | ||
|
2001:4870:6082:3:0:0:0:5
ns1.twtelecom.net.
|
valid
|
95 % | Whois | |||
| 2607:2200:2::101 | 9.8.2rc1-RedHat-9.8.2-0.37.rc1.el6_7.6 |
valid
|
99 % | Whois | ||
| 2607:2200:2:0:0:0:0:101 | 9.8.2rc1-RedHat-9.8.2-0.37.rc1.el6_7.6 |
valid
|
99 % | Whois | ||
| 2607:2200:2::100 | 9.8.2rc1-RedHat-9.8.2-0.37.rc1.el6_7.6 |
valid
|
99 % | Whois | ||
|
2001:4b8:2:101:0:0:0:602
auth0.wayport.net.
|
None of your business |
valid
|
98 % | Whois | ||
|
192.69.77.66
mail.mnvoip.com.
|
Minneapolis | Microsoft DNS 6.1.7601 (1DB15CD4) |
valid
|
90 % | Whois | |
|
2605:B400:300::A00:1E1F
ns5.ipv6.adstx.net.
|
Adonis Server (www.bluecatnetworks.com) |
valid
|
92 % | Whois | ||
|
2605:b400:300:0:0:0:a00:1e1f
ns5.ipv6.adstx.net.
|
Adonis Server (www.bluecatnetworks.com) |
valid
|
92 % | Whois | ||
| 2607:fa88:1:0:0:0:0:2 | undisclosed |
valid
|
93 % | Whois | ||
|
216.12.255.2
auth1.wayport.net.
|
Austin | None of your business |
valid
|
99 % | Whois | |
|
2001:4b8:3:201:0:0:0:902
auth1.wayport.net.
|
None of your business |
valid
|
99 % | Whois | ||
|
198.82.247.66
jeru.cns.vt.edu.
|
Blacksburg | fancy new chroot version |
valid
|
99 % | Whois | |
|
216.12.255.1
auth0.wayport.net.
|
Austin | None of your business |
valid
|
99 % | Whois | |
|
2001:468:c80:6101:0:100:0:62
milo.cns.ipv6.vt.edu.
|
Blacksburg | fancy new chroot version |
valid
|
99 % | Whois | |
| 2607:f778:0:9:0:0:0:2 | 9.10.5-P2-RedHat-9.10.5-2.P2.fc24 |
valid
|
94 % | Whois | ||
|
199.249.223.1
phoenix.quintex.com.
|
San Angelo |
valid
|
90 % | Whois | ||
|
2620:7:6000:0:0:ffff:c759:df01
phoenix.quintex.com.
|
valid
|
90 % | Whois | |||
|
199.249.223.2
yoyo.quintex.com.
|
San Angelo |
valid
|
90 % | Whois | ||
|
2620:7:6000:0:0:ffff:c759:df02
yoyo.quintex.com.
|
valid
|
90 % | Whois | |||
|
198.187.135.248
dcroot1.krl.org.
|
Port Orchard |
valid
|
99 % | Whois | ||
|
2620:7b:e000:a002:0:0:0:248
dcroot1.krl.org.
|
valid
|
99 % | Whois | |||
|
216.24.195.249
dns2.psychz.net.
|
Walnut | 9.3.6-P1-RedHat-9.3.6-20.P1.el5_8.4 |
valid
|
38 % | Whois | |
| 2604:6600:1068:0:0:0:92a8:c4c1 | 9.3.6-P1-RedHat-9.3.6-20.P1.el5_8.4 |
valid
|
37 % | Whois | ||
|
198.187.135.249
dcroot2.krl.org.
|
Port Orchard |
valid
|
98 % | Whois | ||
|
2620:7b:e000:a002:8088:409e:998e:d210
dcroot2.krl.org.
|
valid
|
98 % | Whois | |||
|
69.28.104.5
ns2.telekenex.com.
|
San Francisco | 9.10.5-P2-RedHat-9.10.5-2.P2.fc24 |
valid
|
92 % | Whois | |
| 2607:fb50:131:95:0:0:0:20 | 9.8.2rc1-RedHat-9.8.2-0.62.rc1.el6_9.2 |
valid
|
99 % | Whois | ||
| 2607:fb50:131:94:0:0:0:5 | 9.8.2rc1-RedHat-9.8.2-0.62.rc1.el6_9.2 |
valid
|
97 % | Whois | ||
|
96.47.228.108
dns.mia.nocroom.com.
|
Miami | dnsmasq-2.48 |
valid
|
95 % | Whois | |
|
74.222.9.43
pns1.nipotech.com.
|
Los Angeles | 9.9.5-9+deb8u8-Debian |
valid
|
99 % | Whois | |
| 74.222.25.172 | Los Angeles |
valid
|
90 % | Whois | ||
|
107.181.168.52
us-lax1-19.iptransit.io.
|
Los Angeles | powered by d0wn |
valid
|
96 % | Whois | |
| 74.222.26.21 | Los Angeles |
valid
|
96 % | Whois | ||
| 74.222.32.224 | Chicago |
valid
|
94 % | Whois | ||
| 74.222.5.98 | Los Angeles |
valid
|
88 % | Whois | ||
| 74.222.38.183 | Akron |
valid
|
93 % | Whois | ||
| 74.222.14.160 | Los Angeles | dnsmasq-2.45 |
valid
|
97 % | Whois | |
|
173.225.2.83
host-173-225-2-83.madisoncounty.net.
|
Huntsville | 9.3.6-P1-RedHat-9.3.6-20.P1.el5_8.6 |
valid
|
97 % | Whois | |
| 74.222.20.152 | Los Angeles |
valid
|
97 % | Whois | ||
| 74.222.38.176 | Akron |
valid
|
93 % | Whois | ||
| 74.222.32.231 | Chicago |
valid
|
94 % | Whois | ||
| 74.222.2.157 | Los Angeles |
valid
|
88 % | Whois |
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