[dns-operations] What's a "suffix"?

Stephane Bortzmeyer bortzmeyer at nic.fr
Mon Jan 21 08:25:03 UTC 2013

On Sun, Jan 20, 2013 at 11:17:16PM -0800,
 SM <sm at resistor.net> wrote 
 a message of 17 lines which said:

> See RFC 6265.

Its section 5.3 defines a "public suffix" and it is a sensible and
useful definition. A "suffix" is any string ending a domain name. 

So, in www.cam.ac.uk, uk is a TLD, ac.uk a public suffix, but both of
them (and cam.ac.uk too) are suffixes. In www.tour-eiffel.fr, fr is
both a TLD and a public suffix, fr and tour-eiffel.fr are suffixes.

The terminology nazi

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