Public DNS Server List

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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
151.197.0.38
nsphil.bellatlantic.net.
Valid valid 100 % Whois
151.197.0.39
home4.bellatlantic.net.
Valid valid 100 % Whois
151.202.0.85
nyc2-qwest.bellatlantic.net.
New York Valid valid 100 % Whois
151.203.0.84
boston1-qwest.bellatlantic.net.
Valid valid 100 % Whois
151.203.0.85
boston2-qwest.bellatlantic.net.
Valid valid 100 % Whois
199.45.32.37
world1.bellatlantic.net.
Valid valid 100 % Whois
199.45.32.38
nsdc.bellatlantic.net.
Hudson Valid valid 100 % Whois
199.45.32.40
legacy-ns1.bellatlantic.net.
Valid valid 100 % Whois
199.45.32.43
home1.bellatlantic.net.
Hudson Valid valid 100 % Whois
216.138.97.246
ns1.gtt.net.
Keller Valid valid 37 % 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 valid 100 % 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 valid 100 % Whois
172.98.193.42
ns0.backplanedns.org.
Rochester 9.10.3-P4-Debian Valid valid 100 % Whois
156.154.70.43 Sterling Valid valid DNSSEC 100 % Whois
156.154.70.44 Sterling Valid valid DNSSEC 100 % Whois
192.211.0.10 Valid valid DNSSEC 100 % Whois
2606:ed00:2:babe::10 Pompano Beach Valid valid DNSSEC 100 % Whois
151.202.0.84
nyc1-qwest.bellatlantic.net.
New York Valid valid 100 % Whois
216.52.190.1
ns1.dal.pnap.net.
Dallas Valid valid 100 % Whois
162.248.241.94
ns1.backplanedns.org.
Rochester 9.10.3-P4-Debian Valid valid 100 % Whois
156.154.71.42
mcd2.ultradns.net.
Sterling Valid valid DNSSEC 100 % Whois
156.154.71.43 Sterling Valid valid DNSSEC 100 % Whois
156.154.71.10
rdns2.ultradns.net.
Sterling Valid valid DNSSEC 100 % Whois
156.154.71.11 Sterling Valid valid DNSSEC 100 % Whois
156.154.71.13 Sterling Valid valid DNSSEC 100 % Whois
156.154.71.14 Sterling Valid valid DNSSEC 100 % Whois
156.154.71.16 Sterling Valid valid DNSSEC 100 % Whois
156.154.71.18 Sterling Valid valid DNSSEC 100 % Whois
156.154.71.19 Sterling Valid valid DNSSEC 100 % Whois
156.154.71.26 Sterling Valid valid DNSSEC 100 % Whois
156.154.71.29 Sterling Valid valid DNSSEC 100 % Whois
156.154.71.31 Sterling Valid valid DNSSEC 100 % Whois
156.154.71.33 Sterling Valid valid DNSSEC 100 % Whois
156.154.71.35 Sterling Valid valid DNSSEC 100 % Whois
156.154.71.37
rdns37b.ultradns.net.
Sterling Valid valid DNSSEC 100 % Whois
156.154.71.38 Sterling Valid valid DNSSEC 100 % Whois
156.154.71.40 Sterling Valid valid DNSSEC 100 % Whois
204.116.57.2
dns3.InfoAve.Net.
Columbia Aww, Shucks!!! Valid valid 97 % Whois
216.116.96.2
nscl-01.tierzero.net.
Los Angeles Tierzero BIND Valid valid 100 % Whois
104.238.195.139
silver.deepdns.cryptostorm.net.
Las Vegas cryptostorm Valid valid 97 % Whois
2001:550:1:2::D
na-res2.dns.cogentco.com.
blue Valid valid 100 % Whois
2001:470:7655::54 Valid valid DNSSEC 100 % Whois
184.105.193.74
unbound.odvr.dns-oarc.net.
Tuolumne unbound 1.7.0 Valid valid DNSSEC 100 % Whois
2001:4870:8000:3:0:0:0:5 Denver Valid valid 97 % Whois
2607:fa88:1:0:0:0:0:2 undisclosed Valid valid 100 % Whois
2001:4870:6082:3:0:0:0:5 Houston Valid valid 97 % Whois
216.12.255.2
auth1.wayport.net.
Austin None of your business Valid valid 100 % Whois
2001:4b8:3:201:0:0:0:902
auth1.wayport.net.
None of your business Valid valid 100 % Whois
216.12.255.1
auth0.wayport.net.
Austin None of your business Valid valid 100 % Whois
2001:4b8:2:101:0:0:0:602
auth0.wayport.net.
None of your business Valid valid 100 % Whois
2001:468:c80:6101:0:100:0:62
milo.cns.ipv6.vt.edu.
Blacksburg fancy new chroot version Valid valid DNSSEC 100 % Whois
2605:B400:500::A00:1E1F
ns6.ipv6.adstx.net.
Houston Adonis Server (www.bluecatnetworks.com) Valid valid 100 % Whois
2605:b400:500:0:0:0:a00:1e1f
ns6.ipv6.adstx.net.
Houston Adonis Server (www.bluecatnetworks.com) Valid valid 100 % Whois
198.187.135.248
dcroot1.krl.org.
Bremerton Valid valid 100 % Whois
2620:7b:e000:a002:0:0:0:248
dcroot1.krl.org.
Valid valid 100 % Whois
198.187.135.249
dcroot2.krl.org.
Bremerton Valid valid 97 % Whois
192.69.77.66
mail.mnvoip.com.
Minneapolis Microsoft DNS 6.1.7601 (1DB15D39) Valid valid 100 % Whois
2602:ffaa:0:0:0:0:2:2
mail.mnvoip.com.
Microsoft DNS 6.1.7601 (1DB15D39) Valid valid 100 % Whois
69.28.104.5
ns2.telekenex.com.
Los Angeles 9.11.2-P1-RedHat-9.11.2-1.P1.fc27 Valid valid 83 % Whois
2607:f778:0:9:0:0:0:2 San Francisco 9.11.2-P1-RedHat-9.11.2-1.P1.fc27 Valid valid 100 % Whois
2605:B400:300::A00:1E1F
ns5.ipv6.adstx.net.
Houston Adonis Server (www.bluecatnetworks.com) Valid valid 100 % Whois
2605:b400:300:0:0:0:a00:1e1f
ns5.ipv6.adstx.net.
Houston Adonis Server (www.bluecatnetworks.com) Valid valid 100 % Whois
198.82.247.66
jeru.cns.vt.edu.
Blacksburg fancy new chroot version Valid valid DNSSEC 100 % Whois
2607:fb50:131:95:0:0:0:20 9.8.2rc1-RedHat-9.8.2-0.68.rc1.el6 Valid valid 100 % Whois
2607:fb50:131:94:0:0:0:5 9.8.2rc1-RedHat-9.8.2-0.68.rc1.el6 Valid valid 100 % Whois
96.47.228.108
dns.mia.nocroom.com.
Miami dnsmasq-2.48 Valid valid 100 % Whois
107.181.168.52
us-lax1-19.iptransit.io.
Los Angeles powered by d0wn Valid valid DNSSEC 100 % Whois
74.222.38.183 Oswego Valid valid DNSSEC 100 % Whois
74.222.20.152 Los Angeles Valid valid 100 % Whois
74.222.38.176 Oswego Valid valid DNSSEC 100 % Whois
74.222.5.98 Los Angeles Valid valid 93 % Whois
74.222.2.157 Los Angeles Valid valid 100 % Whois
74.222.32.224 Glenview Valid valid DNSSEC 100 % Whois
74.222.32.231 Glenview Valid valid DNSSEC 100 % Whois
173.225.6.16
host-173-225-6-16.madisoncounty.net.
Huntsville 9.3.6-P1-RedHat-9.3.6-20.P1.el5_8.6 Valid valid 97 % Whois
173.225.7.176
host-173-225-7-176.madisoncounty.net.
Huntsville 9.3.6-P1-RedHat-9.3.6-20.P1.el5_8.6 Valid valid 100 % Whois
173.225.7.191
host-173-225-7-191.madisoncounty.net.
Huntsville 9.3.6-P1-RedHat-9.3.6-20.P1.el5_8.6 Valid valid 100 % Whois
173.225.3.114
host-173-225-3-114.madisoncounty.net.
Huntsville 9.3.6-P1-RedHat-9.3.6-20.P1.el5_8.6 Valid valid 100 % Whois
104.155.28.90
90.28.155.104.bc.googleusercontent.com.
Mountain View iCloud DNS Bypass Valid valid 100 % Whois
166.82.74.114
adtran-166-82-74-114.ctc.net.
Statesville SERVFAIL Valid valid 100 % Whois
108.162.59.195
ool-6ca23bc3.static.optonline.net.
Nominum Vantio 5.4.5.0 (build 107213) Valid valid DNSSEC 93 % Whois
108.162.38.115
ool-6ca22673.static.optonline.net.
Nominum Vantio 5.4.5.0 (build 107213) Valid valid DNSSEC 90 % Whois
108.162.42.172
ool-6ca22aac.static.optonline.net.
Fort Lee Nominum Vantio 5.4.5.0 (build 107213) Valid valid DNSSEC 100 % Whois
108.162.46.59
ool-6ca22e3b.static.optonline.net.
dnsmasq-2.40 Valid valid DNSSEC 57 % Whois
74.221.221.7
mail.opticip.com.
Chandler Valid valid 100 % Whois
104.245.184.200
104-245-184-200.snhl.nca.sta.nfinitylink.net.
Snow Hill 9.10.3-P4-Ubuntu Valid valid 100 % Whois
104.245.184.100
ns1.infinityhosted.com.
Snow Hill 9.10.3-P4-Ubuntu Valid valid 100 % Whois
67.205.250.17 Whiting 9.9.4-RedHat-9.9.4-61.el7 Valid valid 83 % Whois
50.7.155.110 Flowery Branch Valid valid DNSSEC 97 % Whois
67.205.246.138 Bala Valid valid 100 % Whois
74.221.221.6
mail.dmehosting.com.
Chandler Valid valid 100 % Whois
50.7.155.106 Flowery Branch Valid valid DNSSEC 93 % Whois
50.7.155.107 Flowery Branch Valid valid DNSSEC 93 % Whois
50.7.155.108 Flowery Branch Valid valid DNSSEC 93 % Whois
50.7.155.109 Flowery Branch Valid valid DNSSEC 97 % Whois
67.223.195.141
67-223-195-141.nefcom.net.
Glen Saint Mary Valid valid DNSSEC 80 % Whois
64.9.40.84 Kutztown Valid valid 100 % Whois
64.9.40.95 Kutztown Valid valid 97 % Whois
64.9.40.98
www.gensysinteg.com.
Kutztown Valid valid 93 % Whois
64.9.40.107 Kutztown Valid valid 97 % Whois

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