DotPound
This service is offered as a free open community service,structured in a way for domain owners to offer their domain assets for sale on-line in an efficient manner. This free domain auction service is offered with the same level of experience, professionalism, security, and outstanding customer service you would expect with from a large internet company that has been around for over 10 years.

Domain Auction Cleaner Looking for domains on Ebay is a time consuming task of scanning through thousands of ads in an attempt to find a good domain. DAC manages to scour through the listings to sift out the actual domains being sold and the prices and format that in a simple, easy to read page.

A DeletedDomains.com Membership allows you to see all of the information you're seeking, every time you search.

You can use the Expired Domain Secret ebook to easily do a detail analysis on what are the good domain names out there in different root Internet zones.

DomainersHub, a real time domain listing monitoring system, which has recently introduced a RSS feed. The site allows you to subscribe to daily e-mail reports notifying you of any new listing matching your keywords. DomainersHub’s lists the domain names under two categories - “Premium Domains” and “All Domains”, which are broken into domain name, link to the listing, category (whether its auction, external auctions or for sale etc).

NameBio.com presents domainers with domain sales and comps history. The redeveloped site stresses on inaccurate, transparent and duplicated data. The functionalities offered includes exact sales price search, exact time frame search, pattern recognition search, IDN search, user submitted sales, new RSS feed, newsletter, emailed comps, user submitted sales.

DNSstuff.com DNSreport See if there are problems with your DNS hosting
This test provides comprehensive information (56 tests, to be exact) about the specified domain that may verify DNS 'health' or identify problems or issues.