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Survey Data Mining: Home | FAQ | Archive | Glossary |
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This report details the names and locations of all DNS servers on the internet, as well as the number of domains that are serviced by these servers. In this fashion, we can discover
The survey works by determining each month the authoritative name server for each host (and more accurately, each domain) in our survey. We then count the number of domains hosted on each DNS server.
Search |
Top 20 by Host Name |
Name Server Name | Name Server IP | Domains |
jm2.dns.com | 183.253.57.200 | 535,748 |
jm1.dns.com | 119.167.180.140 | 535,748 |
ns1.bluehost.com | 162.159.24.80 | 288,136 |
ns2.bluehost.com | 162.159.25.175 | 288,128 |
dns2.technorail.com | 95.110.136.8 | 255,706 |
dns.technorail.com | 94.177.210.13 | 255,705 |
dns4.arubadns.cz | 81.2.216.125 | 255,471 |
dns3.arubadns.net | 95.110.220.5 | 255,470 |
ns1.dreamhost.com | 162.159.26.14 | 228,050 |
ns2.dreamhost.com | 162.159.26.81 | 228,050 |
ns3.dreamhost.com | 162.159.27.84 | 228,031 |
ns01.one.com | 195.206.121.10 | 216,544 |
ns02.one.com | 195.206.121.138 | 216,543 |
ns5.kasserver.com | 85.13.128.3 | 212,979 |
ns6.kasserver.com | 85.13.159.101 | 212,966 |
ns1.dns.ne.jp | 61.211.236.1 | 193,550 |
ns2.dns.ne.jp | 133.167.21.1 | 193,530 |
dns1.registrar-servers.com | 156.154.132.200 | 142,792 |
dns2.registrar-servers.com | 156.154.133.200 | 142,786 |
ns1.xserver.jp | 219.94.200.164 | 137,650 |
Survey Limitations |
We also actively drop sites out of the survey that fail to respond
3 consecutive months to our HTTP queries. So, while a DNS server
might still respond with information for a domain, if there is no
active web site that we can reach for the domain in question,
then the domain is not included in this survey at all, even if it
still has other functioning services (such as email).