How many types of business models are out there that use
the extended DNS service such as .postmaster.biz 
and .readnotify.com.

How well are these two services received and is there
any information on their usage and acceptance statistics

How many other services are there that provide a similar
service as the two listed above i.e. postmaster & readnotify

Note: There are companies like certifiedmail.com and postx.com that
require a client plug-in which are similar, but however not
what I am looking for. 

  I am specifically looking for models and services that use the 
  extended DNS  and want them broken out into models that are 
         a) similar to the 2 listed above 
	 b) and different from the 2 listed above. 

  In addition, I am looking for any available information on
  usage, acceptance and other fedback for
         a) the 2 services listed
	 b) services similar to the 2 slisted 
	 c) and for the other models that you uncover that are
	    different from the type of services listed.

---x---

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Request for Question Clarification by lot-ga on 01 Nov 2002 01:54 PST

Hello, 
readnotify.com and postmaster.biz 'appear' to be email services and
not what I would normally term as extended DNS services, can you
clarify this point? I normally classify services such as
www.ultradns.com and www.zoneedit.com as providing extended DNS
services.
regards
lot-ga

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Clarification of Question by strategic_lance-ga on 01 Nov 2002 05:15 PST

lot-ga

Your comment is accurate.

In clarification- readnotify and postminder are email services that
are offerred through the extnded DNS i.e. by appending their domains
to existing email addresses. (Let's say this is an
email-Via-ExtendedDNS  service)

How many other such "misc_functions-via-ExtendedDNS" services are
there
Are there any other "email-via-ExtendedDNS" services besides the 2
identified

Usage & other stats on how well
  - The "misc_functions-via-ExtendedDNS" service are doing
  = The other "email-via-ExtendedDNS" services identified are doing
and
  - The 2 identified "email-via-ExtendedDNS" services doing.