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In July 2011, GoDaddy introduced a policy of blocking DNS queries from some outside DNS servers, in order to prevent other DNS queries from being too slow. Among other things, this prevents some bots from visiting websites, forcing some search engines to exclude domains hosted with GoDaddy.
On December 22, Go Daddy, one of the world's largest domain name registrars, stated that it supported SOPA. [107] Go Daddy then rescinded its support, its CEO saying, "Fighting online piracy is of the utmost importance, which is why Go Daddy has been working to help craft revisions to this legislation—but we can clearly do better.
Domain Name System blocking, or DNS blocking / filtering, is a strategy for making it difficult for users to locate specific domains or websites on the Internet. It was first introduced in 1997 as a means to block spam email from known malicious IP addresses .
DNS hijacking, DNS poisoning, or DNS redirection is the practice of subverting the resolution of Domain Name System (DNS) queries. [1] 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.
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]
The DNS protocol specifies that when a client queries for a specific record type (e.g., TXT) for a certain domain name (e.g., example.com), all records of that type must be returned in the same DNS message. That may lead to large transactions with lots of "unnecessary" information being transferred and/or uncertainty about which TXT record to use.
The DS record is placed in the parent zone along with the delegating NS records. NSEC (next secure record) Contains a link to the next record name in the zone and lists the record types that exist for the record's name. DNS resolvers use NSEC records to verify the non-existence of a record name and type as part of DNSSEC validation.
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.