Route 53 Flashcards
1
Q
DNS 101
A
What is DNS? - Think of a phonebook. Converts a humna friendly url to an IP address (IPv4, IPv6)
- IPv4 (running out)
- 32 bit field that has 4 billion different addresses
- IPv6
- 128 bit - sand and the sun
Top Level / second level Domains
- .com , .edu (top)
- .uk.com(2nd)
SOA (Start of Authority) Record
