Free Things It Can Do

CU Tech Talk
Free Things IT Can Do to Improve Efficiency and Member Satisfaction
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Topics
Recursive DNS
SPF Records
Authoritative DNS
Website Analytics
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Recursive DNS
Recursive DNS translates ncua.gov to 207.15.63.93
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Example DNS Query
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Recursive DNS Providers
DynDNS
OpenDNS
DNSAdvantage
(UltraDNS)
Google DNS
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Benefits of a DNS Provider
Most are free or very low cost
High availability systems
DNS Poisoning & DNSSEC
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SPF Records
an e-mail validation system designed to prevent e-mail spam by addressing a common vulnerability, source address spoofing.
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An SPF Query
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SPF Flowchart
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SPF Example
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Resources
http://s.cuinnovators.com/spf-check
http://s.cuinnovators.com/exchange-spf-howto
http://s.cuinnovators.com/complete-dns-check
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Authoritative DNS
The Domain Name System distributes the responsibility of assigning domain names and mapping those names to IP addresses by designating authoritative name servers for each domain. Authoritative name servers are assigned to be responsible for their particular domains, and in turn can assign other authoritative name servers for their sub-domains.
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Authoritative DNS Providers
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Benefits
High availability systems
Latency
Redundancy
Load Management
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Website Analytics
“Knowing is half the battle.”
-Public Service Announcements, GI Joe
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Providers
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Data
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Robbie Wright

Free Things It Can Do

by Robbie Wright on Apr 02, 2010

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Free Things It Can Do — Presentation Transcript