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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.
The IP address returned by the DNS lookup is tied to the client's location. [2] For example, a website might have 2 servers, one located in France and one in the US. With GeoDNS it's possible to create a DNS record for which clients from Europe would get the IP address of the French server and clients from the US would get the American one.
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 .
In addition, different answers may be provided to DNS clients based on the clients' geographic location, as determined by their IP address . The most practical way to manage such critical Internet infrastructure has been to rely on databases and complex DNS management software to ensure homogeneity and avoid single points of deployment errors.
These services generally also offer Dynamic DNS. Free DNS typically includes facilities to manage A, MX, CNAME, TXT and NS records of the domain zone. [2] In many cases the free services can be upgraded with various premium services. Free DNS service providers can also make money through sponsorship.
In 1999, a group of employees at Jomax Technologies were brainstorming a new company name, with "Big Daddy" being a popular suggestion. However, finding this domain name already taken, "Go Daddy" was purchased instead. [9] Parsons believed this to be a simple and memorable name. [9] Jomax Technologies rebranded to GoDaddy in February 2006. [10]
Registration of a domain name establishes a set of Start of Authority (SOA) records in the DNS servers of the parent domain, indicating the IP address (or domain name) of DNS servers that are authoritative for the domain. This provides merely a reference for how to find the domain data – not the actual domain data.
The contents of the root zone file is a list of names and numeric IP addresses of the root domain authoritative DNS servers for all top-level domains (TLDs) such as com, org, edu, and the country code top-level domains (it also includes that info for root domain, the dot). On 12 December 2004, 773 different authoritative servers for the TLDs ...