Total Pageviews

Wednesday, 11 December 2013

一些DNS服务商

Rage4
Rage4 offers an anycast DNS service with 20 points of presence across the world. It also offers free GeoDNS and failover. It offers native IPv6 support.

Zonomi
Zonomi provides a free and a paid managed DNS service. Its name servers are distributed across 4 locations in New York, Dallas, Auckland and London. It is a non-Anycast service. The free DNS service includes...

DNSimple
DNSimple is a non-anycast DNS provider which has 4 points of presence in the United States in Texas, Washington, New Jersey and California. It also has an API which you can use to change your DNS records.

DtDNS was founded in 1999 and is a dynamic and managed DNS provider. It does not offer an Anycast service. However, its name servers are distributed across the United States.


IronDNS provides an Anycast DNS service with 10 globally distributed locations in North America, Europe and Asia. IronDNS supports IPv6 and DNSSEC. It uses a non-Bind DNS server written from scratch.

PointHQ provides a non-Anycast fully managed DNS service including a free service for upto 5 domain names. Unlimited DNS Records, Email forwarrding, HTTP redirects, zone transfers, SPF records are all

LoadDNS offers a managed DNS solution with Anycast routing and a 100% uptime SLA. It boasts no downtime since 2002. LoadDNS has 14 locations across 4 continents. It uses a non-Bind DNS server.

Afilias provides a managed DNS service with Anycast routing and 18 points of presence across the world. Afilias' DNS service promises 100% DNS uptime.

DNS.com from Comodo providers a managed Anycast DNS service with 14 points of presence across the world in North America, Europe and Asia. DNS.com offers a 99.999% uptime SLA.

Netriplex is an Anycast DNS provider with 32 network locations globally distributed. Netriplex was established in November 2006. Netriplex guarantees 100% uptime.
Netriplex uses a proprietary non-BIND platform which offers more security. Using redundant networks with no single point of failure, the DNS lookups will always resolve.

EasyDNS is one of the older Anycast DNS services. EasyDNS is also a domain name registrar where you can register and manage your domain names. You should definitely read this article from EasyDNS. EasyDNS also offers DNS failover. Recently, EasyDNS patented a technology called Proactive NameServers which promises 100% DNS uptime for mission critical domain names. Proactive name servers also supports Route53.

Nettica offers a non-Anycast DNS service with 5 points of presence across the world. It offers both a primary and a secondary DNS service. It also offers DNS failover and monitoring services.

Zerigo is a non-Anycast DNS provider with 6 network locations around the world. Its DNS platform can also be accessed using a REST API. Its network is spread over North America, Europe and Asia.

Route53 is an Anycast managed DNS service from Amazon.com. It is a relatively new service. Route53 has 29 points of presence across the world.
Recently, NASA/JPL used Route53′s DNS service for load balancing during Curiosity’s Mars landing!
Route53 is a pay as you go service like all Amazon web services.

ProDNS is an Anycast DNS provider with 28 network locations around the world. According to our calculations, the network speed of ProDNS has been consistently fast and reliable.

Neustar UltraDNS is one of the oldest Anycast managed DNS providers. It was founded in 1996 and has a very large customer base including some very established and large companies. Neustar also manages some of the top level domain names like .us and .biz. UltraDNS has 16 network locations across the world.
UltraDNS’s service has a built in DDoS (distributed denial of service) protection. UltraDNS has consistently remained in the top 10 DNS providers in our ranking.