Managing DNS

Transcript

1. DNS Management 1
2. The Domain Name System 2 ¨  The Domain Name System is a hierarchical distributed naming system ¤  for computers, services, or any resource ¤  connected to the Internet or a private network http://en.wikipedia.org/wiki/Domain_Name_System
4. Address book for the Internet ¨  google.com ¨  www.apple.com ¨  nilesh.londhe.com ¨  74.125.53.99 ¨  96.16.53.15 ¨  50.16.215.20 4 Name Number
5. DNS protocol helps map a name to a specific machine 5 ¨  Instead of reading DNS protocol specifications and RFC docs from the IETF, lets get our hands dirty and try out a practical example with one of our own domains. ¨  Lets try out a FREE DNS management service from www.zerigo.com or www.zoneedit.com
6. Most common types of DNS records 6 ¨  A (address) record ¨  CNAME (alias) record ¨  MX (mail) record ¨  and there are a lot more different types n  http://en.wikipedia.org/wiki/List_of_DNS_record_types
7. A record 7 ¨  londhe.com ¨  www.londhe.com
8. A record (for a sub domain) 8 ¨  vt.londhe.com
9. CNAME records 9 ¨  mail.londhe.com alias ghs.google.com ¨  calendar.londhe.com alias ghs.google.com ¨  sites.londhe.com alias ghs.google.com ¨  docs.londhe.com alias ghs.google.com ¨  nilesh.londhe.com alias nilesh.heroku.com
10. MX record 10 ¨  londhe.com MX 10 15 minutes aspmx.l.google.com ¨  londhe.com MX 20 15 minutes alt1.aspmx.l.google.com ¨  londhe.com MX 20 15 minutes alt2.aspmx.l.google.com ¨  londhe.com MX 30 15 minutes aspmx2.googlemail.com ¨  londhe.com MX 30 15 minutes aspmx3.googlemail.com ¨  londhe.com MX 30 15 minutes aspmx4.googlemail.com ¨  londhe.com MX 30 15 minutes aspmx5.googlemail.com