OMaximus - Blog

The search engine giant now offers also its own, open and free DNS server. Compared to other public DNS servers, Google intends to be faster, safer and more reliable.

Google wants to keep its server-performance by updating the DNS records, before their validity (time to live, TTL) has expired. This keeps the records up to date and in stock and may need to be updated not only time consuming when a user accesses it.
Against known attacks such as DNS cache poisoning and denial-of-service Google wants to have its servers by clever algorithms and validity queries protected.
In addition, use Google's DNS server is not the default port 53, but select each query by additional entropy of a random port, which should be more safeguards be in place.
It is natural to assume that the DNS server as all the Google servers usually very well connected to the network and are virtually fail-safe. High reliability should be in addition to safety and performance that is also given.

The DNS server from Google are available under the relatively simple IP addresses 8.8.8.8 and 8.8.4.4. Whoever wants to leave his future domains for free on Google instead of his previous DNS server resolve the provider in IPs, IPs must be referred to enter in the appropriate primary and secondary DNS server field of the router or the TCP / IP configuration.

About the usual privacy and security issues surrounding the Google Group can of course argue here again. If that does not matter, however, which is a new, reliable and secure DNS server from Google nothing in the way ...