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
156.154.70.44 Valid valid DNSSEC 95 % Whois
156.154.70.43 Valid valid DNSSEC 95 % Whois
2606:ed00:2:babe::10 Pompano Beach Valid valid DNSSEC 100 % Whois
192.211.0.10 Valid valid DNSSEC 100 % Whois
216.52.190.1
ns1.dal.pnap.net.
Aubrey Valid valid 100 % Whois
156.154.71.43 Valid valid DNSSEC 95 % Whois
156.154.71.42
mcd2.ultradns.net.
Valid valid DNSSEC 95 % Whois
156.154.71.40 Valid valid DNSSEC 95 % Whois
156.154.71.38 Valid valid DNSSEC 95 % Whois
156.154.71.37
rdns37b.ultradns.net.
Valid valid DNSSEC 98 % Whois
156.154.71.35 Valid valid DNSSEC 100 % Whois
156.154.71.33 Valid valid DNSSEC 100 % Whois
156.154.71.31 Valid valid DNSSEC 98 % Whois
156.154.71.29 Valid valid DNSSEC 98 % Whois
156.154.71.26 Valid valid DNSSEC 98 % Whois
156.154.71.19 Valid valid DNSSEC 98 % Whois
156.154.71.18 Valid valid DNSSEC 93 % Whois
156.154.71.16 Valid valid DNSSEC 95 % Whois
156.154.71.14 Valid valid DNSSEC 93 % Whois
156.154.71.13 Valid valid DNSSEC 95 % Whois
156.154.71.11 Valid valid DNSSEC 93 % Whois
156.154.71.10
rudns2.ultradns.net.
Valid valid DNSSEC 98 % Whois
216.138.97.246
ns1.gtt.net.
9.8.4-rpz2+rl005.12-P1 Valid valid 17 % Whois
151.202.0.84
nyc1-qwest.bellatlantic.net.
New York Valid valid 100 % Whois
216.116.96.2
nscl-01.tierzero.net.
Tierzero BIND Valid valid 98 % Whois
204.116.57.2
dns3.InfoAve.Net.
Aww, Shucks!!! Valid valid 100 % Whois
2001:470:7655::54 Valid valid DNSSEC 100 % Whois
184.105.193.74
unbound.odvr.dns-oarc.net.
Sonora unbound 1.7.0 Valid valid DNSSEC 100 % Whois
184.105.193.73
bind.odvr.dns-oarc.net.
Sonora 9.12.1 Valid valid DNSSEC 100 % Whois
2001:550:1:2::D
na-res2.dns.cogentco.com.
Los Angeles blue Valid valid 100 % Whois
104.238.195.139
silver.deepdns.cryptostorm.net.
Las Vegas cryptostorm Valid valid 100 % Whois
2605:B400:500::A00:1E1F
ns6.ipv6.adstx.net.
Houston Adonis Server (www.bluecatnetworks.com) Valid valid 100 % Whois
2605:B400:300::A00:1E1F
ns5.ipv6.adstx.net.
Houston Adonis Server (www.bluecatnetworks.com) Valid valid 100 % Whois
2604:6600:1068:0:0:0:92a8:c4c1 Tucson 9.3.6-P1-RedHat-9.3.6-20.P1.el5_8.4 Valid valid 83 % Whois
2001:468:c80:6101:0:100:0:62
milo.cns.ipv6.vt.edu.
Blacksburg fancy new chroot version Valid valid DNSSEC 100 % Whois
198.82.247.66
jeru.cns.vt.edu.
Blacksburg fancy new chroot version Valid valid DNSSEC 100 % Whois
2605:b400:300:0:0:0:a00:1e1f
ns5.ipv6.adstx.net.
Houston Adonis Server (www.bluecatnetworks.com) 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
192.69.77.66
mail.mnvoip.com.
Farmington Microsoft DNS 6.1.7601 (1DB15D39) 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
2001:4b8:2:101:0:0:0:602
auth0.wayport.net.
None of your business Valid valid 100 % Whois
216.12.255.1
auth0.wayport.net.
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
216.24.195.249
dns2.psychz.net.
Walnut 9.3.6-P1-RedHat-9.3.6-20.P1.el5_8.4 Valid valid 80 % Whois
216.12.255.2
auth1.wayport.net.
None of your business Valid valid 100 % Whois
2001:4870:8000:3:0:0:0:5 Federal Heights Valid valid 98 % Whois
2001:4870:6082:3:0:0:0:5 Houston Valid valid 100 % Whois
198.187.135.249
dcroot2.krl.org.
Poulsbo Valid valid 100 % Whois
2620:7b:e000:a002:0:0:0:248
dcroot1.krl.org.
Valid valid 100 % Whois
198.187.135.248
dcroot1.krl.org.
Poulsbo Valid valid 100 % Whois
2607:f778:0:9:0:0:0:2 San Francisco 9.11.4-P2-RedHat-9.11.4-10.P2.fc29 Valid valid 34 % Whois
69.28.104.5
ns2.telekenex.com.
9.11.4-P2-RedHat-9.11.4-10.P2.fc29 Valid valid 100 % Whois
2607:fb50:131:94:0:0:0:5 9.8.2rc1-RedHat-9.8.2-0.68.rc1.el6_10.1 Valid valid 100 % Whois
2607:fb50:131:95:0:0:0:20 9.8.2rc1-RedHat-9.8.2-0.68.rc1.el6_10.1 Valid valid 100 % Whois
107.181.168.52
us-lax1-19.iptransit.io.
Los Angeles powered by d0wn Valid valid DNSSEC 100 % Whois
74.222.38.176 Aurora Valid valid DNSSEC 100 % Whois
74.222.5.98 Los Angeles Valid valid 100 % Whois
74.222.38.183 Aurora Valid valid DNSSEC 100 % Whois
74.222.20.152 Los Angeles Valid valid 100 % Whois
74.222.32.224 Chicago Valid valid DNSSEC 100 % Whois
74.222.32.231 Chicago 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 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.
Kannapolis SERVFAIL Valid valid 100 % Whois
108.162.59.195
ool-6ca23bc3.static.optonline.net.
Stratford Nominum Vantio 5.4.5.0 (build 107213) Valid valid DNSSEC 98 % Whois
108.162.46.243
ool-6ca22ef3.static.optonline.net.
Nominum Vantio 5.4.5.0 (build 107213) Valid valid DNSSEC 95 % Whois
108.162.42.172
ool-6ca22aac.static.optonline.net.
Bloomingdale Nominum Vantio 5.4.5.0 (build 107213) Valid valid DNSSEC 100 % Whois
108.162.38.115
ool-6ca22673.static.optonline.net.
Paterson Nominum Vantio 5.4.5.0 (build 107213) Valid valid DNSSEC 100 % Whois
108.162.46.59
ool-6ca22e3b.static.optonline.net.
Lakewood dnsmasq-2.40 Valid valid DNSSEC 27 % Whois
67.205.246.138 Philadelphia Valid valid 100 % Whois
104.245.184.200
104-245-184-200.snhl.nca.sta.nfinitylink.net.
Snow Hill 9.11.3-1ubuntu1.1-Ubuntu Valid valid 100 % Whois
104.245.184.100
ns1.infinityhosted.com.
Snow Hill 9.11.3-1ubuntu1.1-Ubuntu Valid valid 100 % Whois
50.7.155.110 Flowery Branch Valid valid DNSSEC 95 % Whois
50.7.155.109 Flowery Branch Valid valid DNSSEC 95 % Whois
50.7.155.108 Flowery Branch Valid valid DNSSEC 95 % Whois
50.7.155.107 Flowery Branch Valid valid DNSSEC 95 % Whois
50.7.155.106 Flowery Branch Valid valid DNSSEC 95 % Whois
67.205.250.17 Whiting 9.9.4-RedHat-9.9.4-72.el7 Valid valid 83 % Whois
74.221.221.7 Chandler Valid valid 100 % Whois
74.221.221.6 Chandler Valid valid 100 % Whois
24.75.45.244
col12.prvlb.net.
dnsmasq-2.79 Valid valid 95 % Whois
199.29.211.1
ns.genesee.edu.
Valid valid 100 % Whois
46.21.150.237
237.150.21.46.in-addr.arpa.
PowerDNS Authoritative Server 3.4.6 (jenkins@autotest.powerdns.com built 20150929104831 root@ns4) Valid valid DNSSEC 98 % Whois
38.132.106.139
newyork-ns01.cyberghostvpn.com.
New York PowerDNS Recursor 4.0.8 (built Feb 27 2018 17:19:58 by portage@frankfurt-ns02) Valid valid 98 % Whois
173.234.56.115
windy.deepdns.cryptostorm.net.
Phoenix cryptostorm Valid valid 100 % Whois
173.234.159.235
goo.deepdns.cryptostorm.net.
Atlanta cryptostorm Valid valid 100 % Whois
2604:a880:1:20::c5b:1001
ns2.shodan.io.
San Francisco 9.10.3-P4-Ubuntu Valid valid 83 % Whois
138.68.199.36 San Francisco 9.10.3-P4-Ubuntu Valid valid 100 % Whois
216.52.169.33
ns2.hou.pnap.net.
Houston Valid valid 100 % Whois
2602:3f:e75c:1bff::1 Salt Lake City dnsmasq-2.62 Valid valid 100 % Whois
2620:74:1b::1:1 Valid valid DNSSEC 98 % Whois
156.154.71.7 Valid valid DNSSEC 95 % Whois
2001:470:0:90::2
tserv2.ash1.he.net.
San Francisco PowerDNS Recursor 4.1.8 (built Nov 26 2018 13:25:18 by root@76fd702dbbb1) Valid valid DNSSEC 100 % Whois
2001:470:0:9d::2
tserv1.lax1.he.net.
San Francisco PowerDNS Recursor 4.1.8 (built Nov 26 2018 13:25:18 by root@76fd702dbbb1) Valid valid DNSSEC 98 % Whois
156.154.71.5 Valid valid DNSSEC 98 % Whois
2001:470:0:6e::2
tserv1.chi1.he.net.
San Francisco PowerDNS Recursor 4.1.8 (built Nov 26 2018 13:25:18 by root@76fd702dbbb1) Valid valid DNSSEC 100 % Whois
2610:a1:1018::35 Valid valid DNSSEC 100 % Whois
2610:a1:1018::34 Valid valid DNSSEC 98 % Whois
2610:a1:1018::33 Valid valid DNSSEC 95 % Whois

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