IP Anycast 

Announcing the same IP information from multiple locations within a network, allowing data to be routed to the nearest or most efficient topological destination.

BGP (Border Gateway Protocol)

The Internet’s core routing protocol that contains a database of IP information for determining network availability.

BIND (Berkeley Internet Name Domain)

The most commonly used software for resolving DNS queries. It was developed in the early 80’s by 4 college students at the University of California, Berkeley where Paul Vixie of the ISC took over the responsibility of maintaining it. Due to issues with auditing the code and supporting DNSSEC, a newer version, BIND 9, was written. Some enhancements included supporting TSIG, IPv6, DNS Notify, nsupdate, and rndc flush.

Reverse DNS

DNS is the process of mapping an IP address to a hostname, whereas, reverse dns is the exact opposite. The purpose of reverse dns is to validate an originating IP address, most commonly for email spam purposes. If a hostname falls into a specified IP range, its valid.

URL Forwarding

The process of redirecting one URL to another. A common example is if a URL or website address changes, you can automatically have the old name redirected to the new name to ensure your audience reaches the correct site.

Email Forwarding

The same philosophy as URL Forwarding. An example would be if your email address changed, any email that is sent to the old address will automatically be sent to the new one.


DNS uses a UDP data packet which only sends data one way, thus not being able to verify the source of the query.  DNSSEC solves this problem. It authenticates the origin of DNS data, data integrity, and denial of existence. DNSSEC has not been implemented yet due to a variety of reasons, one being the amount of data that would need to be stored.


A networking protocol designed to authenticate any updates to Dynamic DNS, between servers, or for regular dns queries. It uses secret keys that are shared between endpoints to verify the source and destination of the request.

Dynamic DNS

The abilityfor a network device using an Internet protocol to notify a DNS server to change in real time, the DNS configuration of it’s hostnames, addresses, or other information held on the server.


The successor of the Internet address space IPv4. IPv6 uses a 128 bit address space verses 32 bits.


Time To Live.  A setting for a DNS record that designates how long the IP information will be store in cache at the recursive server.

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