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23 Cards in this Set
- Front
- Back
- 3rd side (hint)
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A (Host address)
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32-bit IP address
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AAAA (Host address)
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IP V6
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CNAME (Canonical name)
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Canonical Domain Name for an alias
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HINFO (CPU & OS)
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Name of CPU and Operating System
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MX (Mail Exchanger)
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16-bit preference and name of host that acts as mail exchanger for the domain
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MINFO (Mailbox info)
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Information about a mailbox or mail list
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NS (Name Server)
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Name of authoritative server for domain
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PTR (Pointer)
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Pointer from IP address to domain name
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SOA (Start of Authority)
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Multiple fields that specify which parts of the naming hierarchy a server implements
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TXT (Arbitrary Text)
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Uninterrupted string of ASCII text
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DNS
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client-server hierarchical distributed database
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Parts of the DNS
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1) Resolver
2) DNS Server |
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ipconfig /flushdns
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clears local DNS cache
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ipconfig /displaydns
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shows local DNS resolutions in cache
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ipconfig /registerdns
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Forces adapters to re-register their hostname and IP address(es) with their name server.
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Port 80
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HTTP (web server)
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Port 23
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Telnet
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Port 25
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SMTP (email server)
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Port 22
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SSH
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Port 20, 21
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FTP
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Port 69
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TFTP
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Port 67
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Boot P Client (DHCP)
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Port 53
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DNS
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