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Thread: Reverse DNS?

  1. #31
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    Reverse DNS (rDNS) is IP address to domain name mapping - the opposite of forward (normal) DNS which maps domain names to IP addresses. One of the applications of reverse DNS is as a spam filter. It is mostly used for tracking where a web-site visitor came from, or where an e-mail message originated.
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  2. #32
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    Thumbs up rDNS

    Quote Originally Posted by ColockerDC View Post
    Now a days one of the main purpose of having reverse RDS is spam filtering
    Yes, but it only makes works for domains with a *dedicated* IP. Just listing the hostname does not really work well here.

    John

  3. #33
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    Reverse DNS is IP address to domain name mapping just as the DNS resolves domain names into associated IP addresses.

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  5. #35
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    Reverse DNS (rDNS) is a method of resolving an IP address into a domain name, just as the domain name system (DNS) resolves domain names into associated IP addresses.

  6. #36
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    Thanks For Sharing your opinion.

  7. #37
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    DNS, which stands for domain name system, controls your domain name's website and email settings. When visitors go to your domain name, its DNS settings control which company's server it reaches out to.

  8. #38
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    This site performs a reverse DNS lookup of an IP address by searching domain name registry and registrar tables. IP addresses are four numbers in the range of 0 to 255 separated by periods.

    You may be able to identify the domain name of a spammer sending you spam email or the domain name of a computer trying to break into your firewall or someone trying to hack your system.

    You may also be able to use this information to determine the name of the internet service provider assigned to a particular IP address

  9. #39
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    Reverse DNS" redirects here. For Java-like naming convention, see Reverse domain name notation.
    In computer networking, reverse DNS lookup or reverse DNS resolution (rDNS) is the determination of a domain name associated with an IP address via querying DNS - the reverse of the usual "forward" DNS lookup of an IP from a domain name.

    The process of reverse resolving an IP address uses the pointer DNS record type (PTR record).

    Although the informational RFC 1912 (Section 2.1) specifies that "Every Internet-reachable host should have a name" and that "For every IP address, there should be a matching PTR record...", it is not an actual standards requirement, and not all IP addresses have a reverse entry.

  10. #40
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    In computer networking, reverse DNS lookup or reverse DNS resolution (rDNS) is the determination of a domain name associated with an IP address via querying DNS the reverse of the usual "forward" DNS lookup of an IP from a domain name.

  11. #41
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    According to me Reserve DNS is the determination of the domain name which is associated with given IP address.

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