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  2. DNS sinkhole - Wikipedia

    en.wikipedia.org/wiki/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]

  3. Blackhole server - Wikipedia

    en.wikipedia.org/wiki/Blackhole_server

    Reverse DNS queries are used to map IP addresses to domain names. They are PTR queries for subdomains of in-addr.arpa (for IPv4 addresses) [ 3 ] and ip6.arpa (for IPv6 addresses). [ 4 ] For example, to find the domain name associated with the IP address 203.0.113.22, one would send a PTR query for 22.133.0.203.in-addr.arpa .

  4. DNS blocking - Wikipedia

    en.wikipedia.org/wiki/DNS_blocking

    The latter case where the user is redirected to another destination would be considered DNS Spoofing, otherwise known as "DNS Poisoning". [3] DNS blocking can be applied to individual servers/IP address, or entire blocks of IP addresses for multiple reasons. Some public DNS Resolvers, like Quad9 and CleanBrowsing, offer filters as part of their ...

  5. List of managed DNS providers - Wikipedia

    en.wikipedia.org/wiki/List_of_managed_DNS_providers

    This is a list of notable managed DNS providers in a comparison table. A managed DNS provider offers either a web-based control panel or downloadable software that allows users to manage their DNS traffic via specified protocols such as: DNS failover, dynamic IP addresses, SMTP authentication, and GeoDNS.

  6. Domain Name System - Wikipedia

    en.wikipedia.org/wiki/Domain_Name_System

    A reverse DNS lookup is a query of the DNS for domain names when the IP address is known. Multiple domain names may be associated with an IP address. The DNS stores IP addresses in the form of domain names as specially formatted names in pointer (PTR) records within the infrastructure top-level domain arpa. For IPv4, the domain is in-addr.arpa.

  7. Comparison of DNS server software - Wikipedia

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

    A major category of DNS server functionality, see above. Recursive A major category of DNS server functionality, see above. Recursion Access Control Servers with this feature provide control over which hosts are permitted DNS recursive lookups. This is useful for load balancing and service protection. Secondary Mode (or Slave Mode)

  8. Windstream Holdings - Wikipedia

    en.wikipedia.org/wiki/Windstream_Holdings

    Windstream Holdings, Inc., also doing business as Windstream Communications is a provider of voice and data network communications (broadband, VoIP, MPLS), and managed services (virtual servers, managed firewall, data storage, cloud-based voice, etc.), to businesses in the United States. [4]

  9. Internet Assigned Numbers Authority - Wikipedia

    en.wikipedia.org/wiki/Internet_Assigned_Numbers...

    The Internet Assigned Numbers Authority (IANA) is a standards organization that oversees global IP address allocation, autonomous system number allocation, root zone management in the Domain Name System (DNS), media types, and other Internet Protocol–related symbols and Internet numbers.