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 |
|---|---|---|---|---|---|---|
| 156.154.70.44 |
valid
|
95 % | Whois | |||
| 156.154.70.43 |
valid
|
95 % | Whois | |||
| 2606:ed00:2:babe::10 | Pompano Beach |
valid
|
100 % | Whois | ||
| 192.211.0.10 |
valid
|
100 % | Whois | |||
|
216.52.190.1
ns1.dal.pnap.net.
|
Aubrey |
valid
|
100 % | Whois | ||
| 156.154.71.43 |
valid
|
95 % | Whois | |||
|
156.154.71.42
mcd2.ultradns.net.
|
valid
|
95 % | Whois | |||
| 156.154.71.40 |
valid
|
95 % | Whois | |||
| 156.154.71.38 |
valid
|
95 % | Whois | |||
|
156.154.71.37
rdns37b.ultradns.net.
|
valid
|
98 % | Whois | |||
| 156.154.71.35 |
valid
|
100 % | Whois | |||
| 156.154.71.33 |
valid
|
100 % | Whois | |||
| 156.154.71.31 |
valid
|
98 % | Whois | |||
| 156.154.71.29 |
valid
|
98 % | Whois | |||
| 156.154.71.26 |
valid
|
98 % | Whois | |||
| 156.154.71.19 |
valid
|
98 % | Whois | |||
| 156.154.71.18 |
valid
|
93 % | Whois | |||
| 156.154.71.16 |
valid
|
95 % | Whois | |||
| 156.154.71.14 |
valid
|
93 % | Whois | |||
| 156.154.71.13 |
valid
|
95 % | Whois | |||
| 156.154.71.11 |
valid
|
93 % | Whois | |||
|
156.154.71.10
rudns2.ultradns.net.
|
valid
|
98 % | Whois | |||
|
216.138.97.246
ns1.gtt.net.
|
9.8.4-rpz2+rl005.12-P1 |
valid
|
17 % | Whois | ||
|
151.202.0.84
nyc1-qwest.bellatlantic.net.
|
New York |
valid
|
100 % | Whois | ||
|
216.116.96.2
nscl-01.tierzero.net.
|
Tierzero BIND |
valid
|
98 % | Whois | ||
|
204.116.57.2
dns3.InfoAve.Net.
|
Aww, Shucks!!! |
valid
|
100 % | Whois | ||
| 2001:470:7655::54 |
valid
|
100 % | Whois | |||
|
184.105.193.74
unbound.odvr.dns-oarc.net.
|
Sonora | unbound 1.7.0 |
valid
|
100 % | Whois | |
|
184.105.193.73
bind.odvr.dns-oarc.net.
|
Sonora | 9.12.1 |
valid
|
100 % | Whois | |
|
2001:550:1:2::D
na-res2.dns.cogentco.com.
|
Los Angeles | blue |
valid
|
100 % | Whois | |
|
104.238.195.139
silver.deepdns.cryptostorm.net.
|
Las Vegas | cryptostorm |
valid
|
100 % | Whois | |
|
2605:B400:500::A00:1E1F
ns6.ipv6.adstx.net.
|
Houston | Adonis Server (www.bluecatnetworks.com) |
valid
|
100 % | Whois | |
|
2605:B400:300::A00:1E1F
ns5.ipv6.adstx.net.
|
Houston | Adonis Server (www.bluecatnetworks.com) |
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
|
83 % | Whois | |
|
2001:468:c80:6101:0:100:0:62
milo.cns.ipv6.vt.edu.
|
Blacksburg | fancy new chroot version |
valid
|
100 % | Whois | |
|
198.82.247.66
jeru.cns.vt.edu.
|
Blacksburg | fancy new chroot version |
valid
|
100 % | Whois | |
|
2605:b400:300:0:0:0:a00:1e1f
ns5.ipv6.adstx.net.
|
Houston | Adonis Server (www.bluecatnetworks.com) |
valid
|
100 % | Whois | |
|
2602:ffaa:0:0:0:0:2:2
mail.mnvoip.com.
|
Microsoft DNS 6.1.7601 (1DB15D39) |
valid
|
100 % | Whois | ||
|
192.69.77.66
mail.mnvoip.com.
|
Farmington | Microsoft DNS 6.1.7601 (1DB15D39) |
valid
|
100 % | Whois | |
|
2605:b400:500:0:0:0:a00:1e1f
ns6.ipv6.adstx.net.
|
Houston | Adonis Server (www.bluecatnetworks.com) |
valid
|
100 % | Whois | |
|
2001:4b8:2:101:0:0:0:602
auth0.wayport.net.
|
None of your business |
valid
|
100 % | Whois | ||
|
216.12.255.1
auth0.wayport.net.
|
None of your business |
valid
|
100 % | Whois | ||
|
2001:4b8:3:201:0:0:0:902
auth1.wayport.net.
|
None of your business |
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
|
80 % | Whois | |
|
216.12.255.2
auth1.wayport.net.
|
None of your business |
valid
|
100 % | Whois | ||
| 2001:4870:8000:3:0:0:0:5 | Federal Heights |
valid
|
98 % | Whois | ||
| 2001:4870:6082:3:0:0:0:5 | Houston |
valid
|
100 % | Whois | ||
|
198.187.135.249
dcroot2.krl.org.
|
Poulsbo |
valid
|
100 % | Whois | ||
|
2620:7b:e000:a002:0:0:0:248
dcroot1.krl.org.
|
valid
|
100 % | Whois | |||
|
198.187.135.248
dcroot1.krl.org.
|
Poulsbo |
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
|
34 % | Whois | |
|
69.28.104.5
ns2.telekenex.com.
|
9.11.4-P2-RedHat-9.11.4-10.P2.fc29 |
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
|
100 % | Whois | ||
| 2607:fb50:131:95:0:0:0:20 | 9.8.2rc1-RedHat-9.8.2-0.68.rc1.el6_10.1 |
valid
|
100 % | Whois | ||
|
107.181.168.52
us-lax1-19.iptransit.io.
|
Los Angeles | powered by d0wn |
valid
|
100 % | Whois | |
| 74.222.38.176 | Aurora |
valid
|
100 % | Whois | ||
| 74.222.5.98 | Los Angeles |
valid
|
100 % | Whois | ||
| 74.222.38.183 | Aurora |
valid
|
100 % | Whois | ||
| 74.222.20.152 | Los Angeles |
valid
|
100 % | Whois | ||
| 74.222.32.224 | Chicago |
valid
|
100 % | Whois | ||
| 74.222.32.231 | Chicago |
valid
|
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
|
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
|
100 % | Whois | |
|
104.155.28.90
90.28.155.104.bc.googleusercontent.com.
|
Mountain View | iCloud DNS Bypass |
valid
|
100 % | Whois | |
|
166.82.74.114
adtran-166-82-74-114.ctc.net.
|
Kannapolis | SERVFAIL |
valid
|
100 % | Whois | |
|
108.162.59.195
ool-6ca23bc3.static.optonline.net.
|
Stratford | Nominum Vantio 5.4.5.0 (build 107213) |
valid
|
98 % | Whois | |
|
108.162.46.243
ool-6ca22ef3.static.optonline.net.
|
Nominum Vantio 5.4.5.0 (build 107213) |
valid
|
95 % | Whois | ||
|
108.162.42.172
ool-6ca22aac.static.optonline.net.
|
Bloomingdale | Nominum Vantio 5.4.5.0 (build 107213) |
valid
|
100 % | Whois | |
|
108.162.38.115
ool-6ca22673.static.optonline.net.
|
Paterson | Nominum Vantio 5.4.5.0 (build 107213) |
valid
|
100 % | Whois | |
|
108.162.46.59
ool-6ca22e3b.static.optonline.net.
|
Lakewood | dnsmasq-2.40 |
valid
|
27 % | Whois | |
| 67.205.246.138 | Philadelphia |
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
|
100 % | Whois | |
|
104.245.184.100
ns1.infinityhosted.com.
|
Snow Hill | 9.11.3-1ubuntu1.1-Ubuntu |
valid
|
100 % | Whois | |
| 50.7.155.110 | Flowery Branch |
valid
|
95 % | Whois | ||
| 50.7.155.109 | Flowery Branch |
valid
|
95 % | Whois | ||
| 50.7.155.108 | Flowery Branch |
valid
|
95 % | Whois | ||
| 50.7.155.107 | Flowery Branch |
valid
|
95 % | Whois | ||
| 50.7.155.106 | Flowery Branch |
valid
|
95 % | Whois | ||
| 67.205.250.17 | Whiting | 9.9.4-RedHat-9.9.4-72.el7 |
valid
|
83 % | Whois | |
| 74.221.221.7 | Chandler |
valid
|
100 % | Whois | ||
| 74.221.221.6 | Chandler |
valid
|
100 % | Whois | ||
|
24.75.45.244
col12.prvlb.net.
|
dnsmasq-2.79 |
valid
|
95 % | Whois | ||
|
199.29.211.1
ns.genesee.edu.
|
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
|
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
|
98 % | Whois | |
|
173.234.56.115
windy.deepdns.cryptostorm.net.
|
Phoenix | cryptostorm |
valid
|
100 % | Whois | |
|
173.234.159.235
goo.deepdns.cryptostorm.net.
|
Atlanta | cryptostorm |
valid
|
100 % | Whois | |
|
2604:a880:1:20::c5b:1001
ns2.shodan.io.
|
San Francisco | 9.10.3-P4-Ubuntu |
valid
|
83 % | Whois | |
| 138.68.199.36 | San Francisco | 9.10.3-P4-Ubuntu |
valid
|
100 % | Whois | |
|
216.52.169.33
ns2.hou.pnap.net.
|
Houston |
valid
|
100 % | Whois | ||
| 2602:3f:e75c:1bff::1 | Salt Lake City | dnsmasq-2.62 |
valid
|
100 % | Whois | |
| 2620:74:1b::1:1 |
valid
|
98 % | Whois | |||
| 156.154.71.7 |
valid
|
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
|
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
|
98 % | Whois | |
| 156.154.71.5 |
valid
|
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
|
100 % | Whois | |
| 2610:a1:1018::35 |
valid
|
100 % | Whois | |||
| 2610:a1:1018::34 |
valid
|
98 % | Whois | |||
| 2610:a1:1018::33 |
valid
|
95 % | Whois |
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