What should my PTR record be?

Related questions

1. Why PTR record is created in DNS?
2. What type of record is used for DNS reverse lookup?
3. How long is DNS cache stored?
4. What is weight in SRV record?
5. What are TXT records commonly used for?
6. Does DNS flush on reboot?
7. What is the difference between forward resolution and reverse resolution?
8. What is DNS SRV lookup?
9. How long can a TXT record be?
10. How long does an a record take to update?

Tags

1. #usage
2. #should
3. #records
4. #address
5. #solution
6. #system
7. #exist
8. #every
9. #reverse
10. #using
11. #setup
12. #lookup
13. #associated
14. #domain
15. #hostname
16. #record
17. #server