I have been learning and understanding the principles of DNS, including the related RFC files, and watching the RFC files related to DNS, Mom, there are more than 86. How much is it? First, the principle of DNS is thoroughly studied. I want to have a half-level meal when I look at the RFC file :)
What is ICANN? And some of his related information?
ICANN is called: Internet Corporation for Assigned Names and Numbers (Internet Name and Digital Address Assignment), is a non-profit international organization, responsible for spatial allocation of Internet Protocol (IP) addresses, assignment of protocol markers, general top level Domain Name (GTLD) and the management of the top domain name (CCTLD) system in the country, and the management of root server systems. The official website is: http://www.icann.org/. In addition to several top-level domains that are familiar with: .com (business company) .NET (network provider) .edu (educational institution) .org (non-profit organization). Gov (government agency) .int (international organization). Mil (Military institution). Outside of the status of the number of IP addresses). ICANN also launched 7 new general top-level fields in 2000: .aero, .biz, .coop, .info, .museum, .name, .pro.
ICANN's role: is responsible for coordinating the management of DNS technology elements to ensure universal resolver, so that all Internet users can find a valid address. It is this by monitoring the allocation of the unique technical marker in the Internet operation and the authorization of the top-level domain name.
2. Can you register a domain name such as com.com?
This is prohibited in the past, including all top-level domains, but now it is already, you can use WHOIS to view the results:
Domain Name: com.com Registrar Name: Alldomains.com Registrar Whois: whois.alldomains.com Registrar Homepage: http://www.alldomains.com Administrative Contact: Host Master (NIC-1500677) CNET Networks, Inc 235 Second Street San Francisco CA 94105 US hostmaster@cnet.com 1.4153442000 Fax- 1.4153442000 Technical Contact, Zone Contact: Host Master (NIC-1500677) CNET Networks, Inc 235 Second Street San Francisco 94105 US hostmaster@cnet.com 1.4153442000 Fax- CA 1.4153442000 created on ..............: 1995-APR-13. Expires on ............: 2013-APR-14. Record last updated ..: 2003-SEP-22 00:11:40. Domain Servers in listed Order: ns.cnet.com 216.239.126.10 ns2.cnet.com 206.16.0.71 From the information and IP address can be drawn, this is a US California Organization (individual) registered this domain name. Admire! This is also robbed by your boy. I remember to have such a case: Colorado has a guy to take all the domain names of all ski resorts and then sell them to the ski resort and earn a big sum! ! ! I didn't think of such a good way at the time: (3. How to register a secondary domain name? Access http://www.apnic.net/ (Super Slow Website) -> then fill in the domain name registration form -> Determine one Bit technology contact, one management contact and at least two hosts as a domain name server -> Select a domain name that has not been used. 4. Introduction to BIND: Berkeley Internet Name Domain (Berkeley Internet Name System). Official Website: http://www.isc.org/. It mainly has 3 versions: Bind 4, Bind 8, Bind9. Very strange, he doesn't have 5, 6, 7 these versions, and you jump to 8 This is very similar to Sendmail. One statement is because Bind8 is released with 4.4BSD, so all version numbers rose to 8. There is a fun saying because: bind8 author thinks it is a significant significance Update the version so that you don't have to be 2 times the old number too sorry it :) It is indeed a number of techniques for improving efficiency, stability, and security in Bind8.
BIND9 adds some advanced philosophy: IPv6 support, public key encryption, multiprocessor support, thread security operation, incremental area transmission, etc. Bind9 is all redesigned and implemented (worship). However, the configuration is basically the same (great). 5. Composition of Bind? Named daemon - to answer the results of the query result to contact the DNS distributed database to resolve some important commands for the library routine DNS of the host: nslookup, DIG and Host
