How long does an a record take to update?

Related questions

1. How do I view DNS records?
2. How long do NS records take to update?
3. What is the difference between forward resolution and reverse resolution?
4. What's a PTR record?
5. What is a PTR record in DNS?
6. What is Autodiscover SRV record?
7. What is the best TTL value?
8. How long do DNS TXT records take to propagate?
9. Can you have multiple TXT records DNS?
10. What is weight in SRV record?

Tags

1. #around
2. #complete
3. #worldwide
4. #general
5. #hours
6. #however
7. #record
8. #since
9. #update
10. #takes
11. #depending
12. #cases
13. #other
14. #world
15. #instant
16. #servers
17. #information
18. #propagation