Reverse DNS
Outline
Addresses in the DNS
Mapping of addresses to reverse
Mapping the IPv4 address into the DNS: address allocation
Classless inter domain routing (CIDR)
Mapping the IPv4 address into the DNS: address blocks
IPv4 address format
Mapping the IPv4 address into the DNS
Mapping addresses to names
The reverse tree
Outline
Mapping address to names: mapping problems
Setting your reverse zones
A reverse zone example
Getting a reverse delegation
Whois domain object
Allocations smaller than /24
RFC2317 explained (1)
RFC2317 explained (2)
RFC2317 explained(3)
Parent zone
RFC2317 explained(4)
ChildrenŐs zone
RFC2317 explained(5)
Outline
IPv6 addresses
IPv6 address Notation
IPv6 addresses
Globally routable unicast addresses
Outline
IPv6 address representation in the DNS
AAAA RR
A6 RR
A6 chaining (1)
A6 chaining (1)
A6 chaining (2)
Outline
Reverse DNS
The reverse tree
Setting up reverse for SUB TLA
More granularity in the reverse tree
DNAME RR
delegation name
BITSTRINGS (1)
BITSTRING (2)
DNAME and bitstrings
Combined magic (1)
DNAME and bitstrings
Combined magic (2)
DNAME and bitstrings
Combined magic (3)
DNAME exercise
DNS data and the transport layer
Questions