(7) dns operation - SOI-Asia

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Major resource records (1/2) SOA (Start of Authority) RR mandatory RR for every zone provides several configuration parameters A (Address) RR provides hostname to IPv4 address mapping AAAA (IPv6 Address) RR provides hostname to IPv6 address mapping NS (name server) RR specifies the name of nameserver defines zone delegation both parent and child maintain NS RRsets parent’s set must be a subset of (or equal to) child’s set (cause "lame delegation" otherwise)
Major resource records (2/2) PTR (Pointer) RR provides IP address to hostname mapping for both IPv4 and IPv6 MX (Mail Exchange) RR provides the name of a mail server for a domain CNAME (Canonical Name) RR provides an alias of a hostname
Page 1 and 2: Internet Operation (7) DNS Operatio
Page 3 and 4: Overview of this lecture Prerequisi
Page 5 and 6: A brief review of DNS (1/2) DNS (Do
Page 7 and 8: A brief review of DNS (2/2) Server-
Page 9: Resource Records (RRs) Entity of DN
Page 13 and 14: Important SOA Parameters (1/2) e.g
Page 15 and 16: Notes on CNAME (1/2) Another major
Page 17 and 18: Sample of complete zone file "jinme
Page 19 and 20: IPv6 transport for DNS Use IPv6 to
Page 21 and 22: Introduction to DNS operation with
Page 23 and 24: Useful tools for DNS operation with
Page 25 and 26: Output example of dig ; DiG 9.4.0a
Page 27 and 28: DNS operational considerations Lame
Page 29 and 30: Detect lame delegation with dig 1.
Page 31 and 32: Number/location of nameservers How
Page 33 and 34: BIND configurations for separation
Page 35 and 36: Advanced topics Load-balanced opera
Page 37 and 38: Assignment 1: check on your ccTLD C
Page 39: Assignment 3 Provide feedback on to

(7) dns operation - SOI-Asia

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