Domain Statistics*
DNS Servers used by the Top 500 Domains - UltraTools.com
44% Misc.
44%
23% Not Identified
23%
20% UltraDNS
20%
8% Bind
8%
4% PowerDNS
4%
1% Microsoft
1%
Top 500 Domains
DNS Server Types
About - DNS Server Types
This report represents the types and popularity of authoritative DNS name server (resolver) software being used by the Internet's top domains to resolve DNS queries. It is based on UltraTools.com Domain Health Report test results on the date indicated within the report.
Web Servers used by the Top 500 Domains - UltraTools.com
34% Other
34%
32% nginx
32%
15% Apache
15%
14% AkamaiGHost
14%
4% Microsoft
4%
1% lighttpd
1%
Top 500 Domains
Web Server Types
About - Web Server Types
This report represents the types and popularity of web server software being used by the Internet's top domains websites. It is based on UltraTools.com Domain Health Report test results on the date indicated within the report.
Number of DNS Name Servers used by the Top 500 Domains - UltraTools.com
37% 4 Servers
37%
33% 6+ Servers
33%
19% 2 Servers
19%
6% 3 Servers
6%
5% 5 Servers
5%
Top 500 Domains
Name Server Counts
About - Name Server Counts
This report represents the number of name servers available to respond to DNS queries for the Internet's top domains. It is based on UltraTools.com Domain Health Report test results on the date indicated within the report.
Performance of DNS Servers used by the Top 500 Domains - UltraTools.com
53% 0-25 ms
53%
20% 100+ ms
20%
11% 26-50 ms
11%
9% 51-75 ms
9%
7% 76-100 ms
7%
Top 500 Domains
Name Server Response Times
About - Name Server Response Times
This report represents the average response time to DNS queries from the Internet's top domains name servers. The times are based on UDP DNS queries originating from a data center in Northern Virginia, USA over the public Internet, directly to the domain's name server (not a cached recursive server response).
DNSSEC in use by the Top 500 Domains - UltraTools.com
96% Not Used
96%
4% Used
4%
Top 500 Domains
Using DNSSEC
About - Using DNSSEC
This report represents the number of top domains using DNS Security Extensions (DNSSEC) as part of their DNS to protect from certain attacks, such as DNS cache poisoning. It is based on UltraTools.com Domain Health Report test results on the date indicated within the report.
IPv6 in use by the Top 500 Domains - UltraTools.com
82% Not Used
82%
18% Used
18%
Top 500 Domains
Using IPv6
About - Using IPv6
This report represents the number of top domains which respond to IPv6 queries and have AAAA DNS records configured. It is based on UltraTools.com Domain Health Report test results on the date indicated within the report.
SPAM RBL Listings of the Top 500 Domains - UltraTools.com
97% None listed
97%
2% 1 listing
2%
1% 2+ listings
1%
Top 500 Domains
RBL Listings for Mail Servers
About - RBL Listings for Mail Servers
This report represents the number of top domain mail server IPs listed on Realtime Blackhole List / Realtime Blacklist / Realtime Block List (RBL) services as SPAM sources. Mail server IPs listed by an RBL will not be able to send email to other mail servers which subscribe to that RBL. The report is based on UltraTools.com Domain Health Report test results on the date indicated within the report.
Search Engine Positions of the Top 500 Domains - UltraTools.com
Top 500 Domains
Search Engine Position
Coming Soon
* The Domain Statistics reports shown on this page use the UltraTools.com platform to analyze the top Internet Domains, as ranked by Alexa at the time the data is collected for the reports. These snap shot and historical reports were designed to provide an overview on how specific technologies are being used and/or adopted. They may be downloaded or embedded directly into your site freely using the links provided, however all branding and labeling must remain intact.
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