Public Clouds

Verisign provides a variety of security related services including SSL certificates, identify and authentication services and code signing. Verisign also provides a fully managed DNS platform.

KT's cloud offering (ucloud service) includes CloudStack based compute, Openstack Swift based object storage, KT CDN and other cloud capabilities based from KT's data centers in South Korea.

Cloudant offers fully managed and hosted CouchDB hostings. To do so, they have forked the open source CouchDB project and created BigCouch, which while backwords compatible with CouchDB requests, supports more advanced clustering capabilities.

Zerigo offers VPS (monthly) and cloud servers (hourly) out of it's Denver, CO data center. They offer servers from 256MB-4GB. They also offer DNS and "Watchdog" monitoring services.

Microsoft is a late arrival to the cloud market, but is now dedicating significant resources to their Azure cloud services. Azure offers a .NET Platform, Storage, CDN, SQL Server Database and Messaging services, all available with on-demand pricing.

Salesforce offers cloud services: Force.com lets users define and manage databases, forms, etc. using a browser GUI. Database.com is a cloud based relational database - basically Force.com without a GUI and more flexible and affordable API usage options.

Cotendo is a Anycast content delivery network. Their focus is more on the enterprise market, offering not only CDN, but also dynamic site acceleration, DNS, CDN balancing and other features. Pricing is negotiated based on a monthly commit.

Dyn Inc. is an IaaS provider offering managed DNS services. Their managed DNS offers various service add-ons such as GSLB, CDN balancing, and monitor-based load balancing.

CloudFlare was a runner-up for the 2010 TechCruch Disrupt. They provide a unique CDN and security service via website proxying over their anycast network. To use the service, you simply assign DNS for your domain to them, and they take care of the rest.

Rackspace has been providing managed dedicated hosting since 1998. The Rackspace Cloud was launched in 2009 after Rackspace acquired VPS provider Slicehost. Their cloud services currently includes servers, storage and Limelight CDN.

AWS is the guerilla in the room in terms of cloud computing. It was initially created to enable better management of their own infrastructure. AWS offers Servers (EC2), Storage (S3), CDN (CloudFront), Databases (SimpleDB & RDS) and many advanced features.

UltraDNS provides enterprise DNS services for many large Internet websites. In addition to standard DNS, they also provide add-on services such as GSLB, load balancing, website monitoring, DNS failover, and more.

DNS.com provides Anycast managed DNS with 14 anycast nodes globally.

DNS Made Easy offers low cost IP Anycast DNS and add-on services such as site failover and global traffic director.

Easy DNS offers both IP Anycast DNS hosting and domain registration. Large websites such as php.net and ycombinator use Easy DNS.

DNS Park provides primary and secondary managed DNS hosting and various email continuity and filtering services.

No-IP provides IP Anycast managed DNS hosting and email services.

EdgeDirector provides managed DNS services include geo-aware resolution and automated failover.

Nettica provides a comprehensive list of DNS services for home and business including primary or secondary DNS, dynamic DNS, monitoring and DNS failover.

3Crowd provides a DNS and HTTP redirect platform for content delivery. 3Crowd provides a rules engine that allows users to configure content to be delivered from different sources based on the end user and other properties such as Geo location or ISP.

DNSPod offers free and low cost DNS hosting. DNSPod was founded in 2006, and is based in Shandong, China.

GoDaddy provides a large suite of services including domain registration, DNS hosting, website hosting and more. They are the largest domain registrar.

PowerDNS offers DNS server software and hosted DNS services.