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Reverse DNS (rDNS) is name resolution that looks up an IP addresses to obtain a domain name, performing the opposite function of the DNS server, which turns domain names into IP addresses.
Reverse DNS can be used as a spam filter. Typically, spammers use invalid IP addresses, that is, ones that do not match domain names. A reverse DNS program looks up the IP address of an incoming message and, if no valid domain name is found, the server blocks the message. Although reverse DNS is fairly effective for filtering spam, it also often blocks valid emails.
Our administrators configure reverse DNS on all of our email servers. If you administrate your own server, you can contact your IP address's provider to configure reverse DNS.
Want a website? Personalized email? How about an easy, affordable way to promote your business, class reunion or favorite hobby? A unique, memorable dot com domain name is the first step to doing all this and more. It's your 'address' on the World Wide Web, and along with your website, serves as your 'online identity,' reflecting your purpose and personality. Friends, family, customers - anyone in the world with Internet access - can type your domain name into their Web browser and visit your website.
NEW! ccTLDs mean domain opportunities for you and the great Iwebslog experience for customers worldwide!
Whether you're a global company looking for a local presence, or an individual looking for fresh additions to your domain portfolio, look to Iwebslog. You can count on Iwebslog to bring the same great service to these new country codes as we do to our current line up. These TLDs are available to virtually anyone*, so step right up and register while great names are still available!
Expand your business across the globe.
You don't need to speak the language to connect with customers in a different country. A country code Top-Level Domain (ccTLD) lets you promote your business directly to the residents of a specific country — plus, it helps prevent competitors and copycats from infringing on your brand.