In this video, Chaim Krause introduces the MX resource record. Learn why the MX resource record is the one that insures you can send and receive email at you domain.
- [Teacher] The MX Resource Record…is used to designate the servers…that handle email for a zone or domain.…MX comes from the legacy term, mail exchanger.…The syntax is similar to an NS resource record,…but differs in that it has an extra parameter,…the preference value.…The preference value is used when…more than one MX record is provided for a zone.…In this case, the MX with the lowest…preference value is chosen and used.…
If that MX is not available,…then the MX with the next highest…preference value is used,…and so on down the line.…In our example zone file,…we have two mail exchangers.…IN MX 10 mail.example.com.…And IN MX 20 mail2.example.com.…Since there is nothing specified…at the beginning of these lines,…the zone or domain is taken from the…last dated name.…
The default TTL is used because it's…not being overridden on this line.…And with the priority of ten,…mail.example.com will be used for mail service…unless it's unreachable,…in which case, mail2.example.com. will be used.…If two or more mail servers have…
- Working with different types of name servers
- Working with zone files
- Setting up a basic name server
- Creating, verifying, loading, and testing the zone file
- Allowing queries from localnets
- Configuring an advanced name server
- Serving a website or email
- Adding security
Skill Level Intermediate
Linux: Multitasking at the Command Linewith Scott Simpson39m 1s Intermediate
1. Installing BIND
Installing BIND1m 4s
2. Types of Name Servers
3. Zone Configuration File
4. Basic Name Server Setup
5. Advanced Name Server Setup
6. Security Concerns
- Mark as unwatched
- Mark all as unwatched
Are you sure you want to mark all the videos in this course as unwatched?
This will not affect your course history, your reports, or your certificates of completion for this course.Cancel
Take notes with your new membership!
Type in the entry box, then click Enter to save your note.
1:30Press on any video thumbnail to jump immediately to the timecode shown.
Notes are saved with you account but can also be exported as plain text, MS Word, PDF, Google Doc, or Evernote.