Search results
Results from the WOW.Com Content Network
In computer networks, a reverse DNS lookup or reverse DNS resolution (rDNS) is the querying technique of the Domain Name System (DNS) to determine the domain name associated with an IP address – the reverse of the usual "forward" DNS lookup of an IP address from a domain name. [1]
Free Yes GPL: Simple DNS Plus: JH Software $79 – $379 No Clickwrap license: NSD: NLnet Labs Free Yes BSD variant Knot DNS: CZ.NIC: Free Yes GPL: Knot Resolver: CZ.NIC: Free Yes GPL: PowerDNS: PowerDNS.COM BV / Bert Hubert Free Yes GPL: MaraDNS: Sam Trenholme Free Yes BSD variant pdnsd: Thomas Moestl and Paul Rombouts Free Yes GPL: Posadis ...
nslookup operates in interactive or non-interactive mode. When used interactively by invoking it without arguments or when the first argument is - (minus sign) and the second argument is a hostname or Internet address of a name server, the user issues parameter configurations or requests when presented with the nslookup prompt (>).
Unbound is a validating, recursive, and caching DNS resolver product from NLnet Labs. It is distributed free of charge in open-source form under the BSD license . Features
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]
A basic one is provided free to use as long as the user refreshes their access from time to time, thus keeping it active. Upgrades to the DDNS comes from purchases. Dynamic IP addresses are common on residential cable or DSL broadband accounts, and the typical users of DDNS would be the users of these types of internet connections.
A public recursive name server (also called public DNS resolver) is a name server service that networked computers may use to query the Domain Name System (DNS), the decentralized Internet naming system, in place of (or in addition to) name servers operated by the local Internet service provider (ISP) to which the devices are connected. Reasons ...
OpenDNS is an American company providing Domain Name System (DNS) resolution services—with features such as phishing protection, optional content filtering, and DNS lookup in its DNS servers—and a cloud computing security product suite, Umbrella, designed to protect enterprise customers from malware, botnets, phishing, and targeted online attacks.