How does reverse DNS work?

Related questions

1. How do I transfer my domain to 000webhost?
2. How does DNS TXT record work?
3. Why is the DNS server not responding?
4. Can you have multiple TXT records DNS?
5. What is DNS SRV lookup?
6. How do I view DNS records?
7. What should my PTR record be?
8. What is DNS AAAA record?
9. What is a PTR record in DNS?
10. How long do DNS TXT records take to propagate?

Tags

1. #record
2. #owner
3. #whoever
4. #special
5. #other
6. #address
7. #reverse
8. #block
9. #around
10. #addresses
11. #stored
12. #usually
13. #works
14. #contact
15. #called
16. #adminstrated