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 |
|---|---|---|---|---|---|---|
| 156.154.71.18 |
valid
|
78 % | Whois | |||
| 156.154.71.14 |
valid
|
79 % | Whois | |||
| 2607:f778:0:9:0:0:0:2 | San Francisco | 9.11.6-P1-RedHat-9.11.6-5.P1.fc30 |
valid
|
88 % | Whois | |
|
69.28.104.5
ns2.telekenex.com.
|
9.11.6-P1-RedHat-9.11.6-5.P1.fc30 |
valid
|
88 % | Whois | ||
| 50.7.155.108 | Flowery Branch |
valid
|
73 % | Whois | ||
| 156.154.71.7 |
valid
|
78 % | Whois | |||
| 2610:a1:1018::34 |
valid
|
80 % | Whois | |||
| 2610:a1:1018::31 |
valid
|
79 % | Whois | |||
| 2610:a1:1018::26 |
valid
|
81 % | Whois | |||
| 2610:a1:1018::24 |
valid
|
79 % | Whois | |||
| 2610:a1:1019::35 |
valid
|
79 % | Whois | |||
| 2610:a1:1019::34 |
valid
|
79 % | Whois | |||
| 2610:a1:1019::31 |
valid
|
78 % | Whois | |||
| 2610:a1:1019::29 |
valid
|
80 % | Whois | |||
| 2610:a1:1019::27 |
valid
|
78 % | Whois | |||
| 2610:a1:1019::26 |
valid
|
78 % | Whois | |||
| 2610:a1:1019::22 |
valid
|
78 % | Whois | |||
| 2610:a1:1019::5 |
valid
|
78 % | Whois | |||
|
24.171.164.158
rrcs-24-171-164-158.midsouth.biz.rr.com.
|
Murfreesboro | Version: recursive-main/22386077 |
valid
|
76 % | Whois | |
| 64.139.112.62 | Tonasket |
valid
|
82 % | Whois | ||
|
173.220.31.163
ool-addc1fa3.static.optonline.net.
|
Rocky Point |
valid
|
77 % | Whois | ||
| 72.18.139.227 | Denver |
valid
|
51 % | Whois | ||
|
47.23.53.42
ool-2f17352a.static.optonline.net.
|
Brooklyn |
valid
|
67 % | Whois | ||
|
199.180.255.2
vz6.lax.rhnx.net.
|
Los Angeles | dnsmasq-2.45 |
valid
|
80 % | Whois | |
|
69.20.170.241
69-20-170-241.ida.net.
|
Idaho Falls |
valid
|
78 % | Whois | ||
| 209.3.157.151 | Microsoft DNS 6.1.7601 (1DB15F75) |
valid
|
80 % | Whois | ||
|
65.111.169.168
toadsshout.com.
|
Fort Lauderdale |
valid
|
76 % | Whois | ||
| 69.38.164.50 | New York |
valid
|
86 % | Whois | ||
| 207.62.90.11 | El Centro |
valid
|
79 % | Whois | ||
|
173.49.66.121
mail2.omnimaven.com.
|
valid
|
61 % | Whois | |||
| 199.114.209.79 | Ephrata |
valid
|
77 % | Whois | ||
|
50.202.46.35
50-202-46-35-static.hfc.comcastbusiness.net.
|
valid
|
83 % | Whois | |||
| 67.137.39.195 | Portland |
valid
|
85 % | Whois | ||
|
192.70.238.191
ns.costechsupport.com.
|
Salinas |
valid
|
82 % | Whois | ||
| 209.237.227.195 | San Francisco |
valid
|
74 % | Whois | ||
| 168.9.128.13 | Sharpsburg | Microsoft DNS 6.1.7601 (1DB15F75) |
valid
|
85 % | Whois | |
|
71.46.252.6
6-252-46-71.biz.bhn.net.
|
Orlando |
valid
|
85 % | Whois | ||
|
12.40.197.98
sacmail.hydroscience.com.
|
Reno |
valid
|
84 % | Whois | ||
|
71.244.114.162
static-71-244-114-162.albyny.fios.verizon.net.
|
Delmar |
valid
|
85 % | Whois | ||
|
70.90.103.243
70-90-103-242-ma-ne.hfc.comcastbusiness.net.
|
Waltham | dnsmasq-2.48 |
valid
|
82 % | Whois | |
| 12.145.62.50 | Rockville |
valid
|
84 % | Whois | ||
|
50.240.192.218
50-240-192-218-static.hfc.comcastbusiness.net.
|
San Jose |
valid
|
79 % | Whois | ||
|
69.38.209.114
mail.waldenhouse.org.
|
San Francisco | dnsmasq-2.33 |
valid
|
80 % | Whois | |
|
50.196.194.225
50-196-194-225-static.hfc.comcastbusiness.net.
|
Chicago |
valid
|
79 % | Whois | ||
|
108.58.41.27
ool-6c3a291b.static.optonline.net.
|
West Babylon |
valid
|
83 % | Whois | ||
| 65.255.197.147 | Fountain Valley | dnsmasq-2.33 |
valid
|
80 % | Whois | |
| 69.20.190.209 | Idaho Falls |
valid
|
78 % | Whois | ||
|
24.199.154.90
rrcs-24-199-154-90.midsouth.biz.rr.com.
|
Apex | Microsoft DNS 6.0.6002 (17724D35) |
valid
|
80 % | Whois | |
|
64.135.117.210
7741-t1-cust.host.net.
|
Palm Beach | dnsmasq-2.78 |
valid
|
79 % | Whois | |
|
209.150.96.20
eclipse.qis.net.
|
Ellicott City | 9.9.7-P2 |
valid
|
88 % | Whois | |
| 209.234.196.12 | San Francisco | Microsoft DNS 6.1.7601 (1DB15EC5) |
valid
|
78 % | Whois | |
|
69.20.190.253
69-20-190-253.ida.net.
|
Idaho Falls |
valid
|
78 % | Whois | ||
|
173.167.222.249
smtp.delpgroup.com.
|
Lansdale | Microsoft DNS 6.1.7601 (1DB15EC5) |
valid
|
79 % | Whois | |
| 209.237.227.203 | San Francisco |
valid
|
74 % | Whois | ||
| 209.237.227.198 | San Francisco |
valid
|
73 % | Whois | ||
| 209.237.227.200 | San Francisco |
valid
|
74 % | Whois | ||
| 38.123.138.21 | Philadelphia | dnsmasq-2.39 |
valid
|
78 % | Whois | |
|
75.150.101.1
75-150-101-1-NewEngland.hfc.comcastbusiness.net.
|
Norwood |
valid
|
78 % | Whois | ||
|
216.11.92.50
donaldd.oaklandschools.net.
|
Waterford |
valid
|
78 % | Whois | ||
|
50.31.27.63
ip63.50-31-27.static.steadfastdns.net.
|
Chicago | Unknown |
valid
|
79 % | Whois | |
|
162.223.88.133
windows.sindad.com.
|
Buffalo |
valid
|
81 % | Whois | ||
|
66.39.224.145
ns1.portlandk12.org.
|
Ionia | 9.3.4 |
valid
|
77 % | Whois | |
| 205.159.133.51 | Waldorf |
valid
|
87 % | Whois | ||
|
69.20.154.65
69-20-154-65.ida.net.
|
Newdale |
valid
|
77 % | Whois | ||
|
207.63.2.17
ns3.morrison.tec.il.us.
|
Clinton |
valid
|
52 % | Whois | ||
|
207.70.152.164
nac-isd-4.consolidated.net.
|
Nacogdoches | Microsoft DNS 6.1.7601 (1DB15F75) |
valid
|
75 % | Whois | |
|
98.172.149.86
wsip-98-172-149-86.ri.ri.cox.net.
|
West Warwick | dnsmasq-2.71 |
valid
|
67 % | Whois | |
|
66.199.241.115
66-199-241-115.reverse.ezzi.net.
|
Katy |
valid
|
84 % | Whois | ||
|
216.68.91.245
mail.us1cvg.com.
|
valid
|
54 % | Whois | |||
| 65.244.0.14 |
valid
|
82 % | Whois | |||
|
99.32.8.241
ns1.vistanetworks.com.
|
El Paso | BIND 8.1.2 |
valid
|
80 % | Whois | |
|
72.45.32.151
static-72-45-32-151.fl.cpe.atlanticbb.net.
|
Miami Beach |
valid
|
70 % | Whois | ||
|
69.20.134.33
69-20-134-33.ida.net.
|
Ashton |
valid
|
78 % | Whois | ||
| 74.204.181.228 | Silver Spring |
valid
|
85 % | Whois | ||
|
72.43.42.162
rrcs-72-43-42-162.nys.biz.rr.com.
|
Montour Falls |
valid
|
74 % | Whois | ||
|
64.9.50.67
ip67.westfaliausa.com.
|
Brookhaven |
valid
|
88 % | Whois | ||
|
207.177.83.1
mail.butler-bremer.com.
|
Clarksville |
valid
|
57 % | Whois | ||
|
168.223.3.20
crotalus2.famu.edu.
|
Tallahassee | Microsoft DNS 6.1.7601 (1DB15F75) |
valid
|
58 % | Whois | |
| 163.153.167.242 | Port Henry | Microsoft DNS 6.1.7601 (1DB15F75) |
valid
|
82 % | Whois | |
|
66.206.167.2
dns2.corpwest.com.
|
Watsonville | 9.8.2rc1-RedHat-9.8.2-0.68.rc1.el6_10.3 |
valid
|
88 % | Whois | |
|
72.18.139.226
ns1.denver.wehostwebsites.com.
|
Denver |
valid
|
79 % | Whois | ||
|
64.8.44.10
fw1.mynet2.com.
|
valid
|
77 % | Whois | |||
| 69.38.129.86 | Astoria | dnsmasq-2.33 |
valid
|
81 % | Whois | |
|
206.15.226.2
edcoe.k12.ca.us.
|
Sacramento |
valid
|
78 % | Whois | ||
|
69.20.169.49
69-20-169-49.ida.net.
|
Idaho Falls |
valid
|
77 % | Whois | ||
|
70.63.163.92
csdp-70-63-163-92.midsouth.biz.rr.com.
|
Apex |
valid
|
78 % | Whois | ||
|
134.39.250.240
ns2.btc.edu.
|
Bellingham |
valid
|
63 % | Whois | ||
|
99.99.99.193
adsl-99-99-99-193.dsl.lsan03.sbcglobal.net.
|
valid
|
79 % | Whois | |||
|
204.57.114.99
trinicom.com.
|
valid
|
87 % | Whois | |||
|
174.140.108.65
static-174-140-108-65.fl.cpe.atlanticbb.net.
|
Miami Beach | unbound 1.4.22 |
valid
|
72 % | Whois | |
|
38.250.216.254
ns1.prometrics.com.
|
valid
|
85 % | Whois | |||
| 108.166.183.219 | Boulder |
valid
|
37 % | Whois | ||
| 156.154.70.5 |
valid
|
78 % | Whois | |||
| 50.49.243.135 | New Philadelphia | Version: recursive-main/16245405 |
valid
|
78 % | Whois | |
|
66.212.44.1
66-212-44-1.mannford.ok.mbo.net.
|
Mannford |
valid
|
79 % | Whois | ||
| 156.154.70.29 |
valid
|
80 % | Whois | |||
|
216.38.105.6
dns1.tspec.net.
|
valid
|
78 % | Whois | |||
|
156.154.70.42
mcd1.ultradns.net.
|
valid
|
79 % | Whois | |||
|
207.177.43.66
dns2.harlannet.com.
|
valid
|
81 % | Whois | |||
|
156.154.70.10
rdns1.ultradns.net.
|
valid
|
80 % | Whois |
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