What to do if your domain name or mailserver IP is listed in a DNS blacklist somewhere

By , April 22, 2010

You find yourself in a situation where email you send from your domain is being rejected by some remote mail servers with a message that your domain is listed in a DNS based blacklist.

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How do I point “www.domain.com” at “domain.com” or vice-versa?

By , April 22, 2010

You may have your webserver setup for either www.example.com or just example.com and you want it to work either way, whether people type in the “www” part of your domain or not.

(By way of info, “www” is purely a convention, it isn’t in itself necessary to “make your domain work” over the web).

There are a couple ways to do this:

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Somebody is sending spam with my domain name in it!

By , April 22, 2010

Sooner or later, this happens to almost everybody: you own a domain name and suddenly you start getting weird email bounce messages and you realize the unthinkable: somebody has sent out an email spam with your domain in the message “From” headers! What to do?

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Somebody is emailing me an offer to buy my domain, what do I do?

By , April 22, 2010

The domain aftermarket is very active. Many registrants registered quality names many years ago and never actually did anything with them (not even by monetizing them via domain parking).

These domains attract all kinds of players out of the woodwork. Including:

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What is a domain’s auth code and why do I need it?

By , April 22, 2010

Domains in the .com, ,net, .org, .biz and .info TLDs (aka .CNOBI) use a registry protocol called “EPP” to communicate between the registrars and registry.

Under this protocol, a domain “auth code” is a small random code assigned to each domain name and is required in order for a domain name to be transferred from one registrar to another.

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