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  2. Microsoft DNS - Wikipedia

    en.wikipedia.org/wiki/Microsoft_DNS

    Microsoft Windows Server operating systems can run the DNS Server service. This is a monolithic DNS server that provides many types of DNS service, including caching, Dynamic DNS update, zone transfer, and DNS notification. DNS notification implements a push mechanism for notifying a select set of secondary servers for a zone when it is updated ...

  3. DNS sinkhole - Wikipedia

    en.wikipedia.org/wiki/DNS_sinkhole

    DNS sinkhole. A DNS sinkhole, also known as a sinkhole server, Internet sinkhole, or Blackhole DNS [1] is a Domain Name System (DNS) server that has been configured to hand out non-routable addresses for a certain set of domain names. Computers that use the sinkhole fail to access the real site. [2] The higher up the DNS resolution chain the ...

  4. DNS hijacking - Wikipedia

    en.wikipedia.org/wiki/DNS_hijacking

    DNS hijacking, DNS poisoning, or DNS redirection is the practice of subverting the resolution of Domain Name System (DNS) queries. This can be achieved by malware that overrides a computer's TCP/IP configuration to point at a rogue DNS server under the control of an attacker, or through modifying the behaviour of a trusted DNS server so that it does not comply with internet standards.

  5. Domain Name System Security Extensions - Wikipedia

    en.wikipedia.org/wiki/Domain_Name_System...

    The Domain Name System Security Extensions ( DNSSEC) are a suite of extension specifications by the Internet Engineering Task Force (IETF) for securing data exchanged in the Domain Name System ( DNS) in Internet Protocol ( IP) networks. The protocol provides cryptographic authentication of data, authenticated denial of existence, and data ...

  6. Troubleshooting AOL Desktop Gold - AOL Help

    help.aol.com/articles/aol-desktop-troubleshooting

    • Within your address book, type in your contact using the Quick Find search bar. There may be times your contact is not displayed in the same order as before. • If the issue still exists, proceed to the next step. Compose/Write email window • Open a new email by clicking the Write button on the toolbar.

  7. Comparison of DNS server software - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_DNS_server...

    Knot DNS. Knot DNS is a free software authoritative DNS server by CZ.NIC. Knot DNS aims to be a fast, resilient DNS server usable for infrastructure (root and TLD) and DNS hosting services. Knot DNS supports DNSSEC signing and among others hosts root zone (B, K, and L root name servers ), several top-level domains .

  8. Domain Name System - Wikipedia

    en.wikipedia.org/wiki/Domain_Name_System

    The Domain Name System ( DNS) is a hierarchical and distributed name service that provides a naming system for computers, services, and other resources in the Internet or other Internet Protocol (IP) networks. It associates various information with domain names (identification strings) assigned to each of the associated entities.

  9. dig (command) - Wikipedia

    en.wikipedia.org/wiki/Dig_(command)

    dig (command) dig is a network administration command-line tool for querying the Domain Name System (DNS). dig is useful for network troubleshooting and for educational purposes. [2] It can operate based on command line option and flag arguments, or in batch mode by reading requests from an operating system file.

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