Thanks to everyone who responded to my cablemodem/DSL question
yesterday. I wasn't sure if RR simply disallowed servers, or if they
had firewalls or some other evil means of blocking ports below 1024.
My next question involves hosting my various domain names on my
box. As previously stated, I run Zope locally for a few of the sites
which I'm working on, so using a remote host is impossible (unless
they too use Zope, and since I'm probably the only one insane enough
to use Zope for a personal website, I'd be paying quite a bit :). So I
was exploring the possibility of hosting domain names on my
RR-connected box, and omitting the various dynamic IP providers.
I'm sure RR changes your IP often. Is this done via DHCP, or something
else? Has anyone been able to determine how often the IP changes?
Since I'm hosting the domain name on just one box, and since I
wouldn't be traumatized if it wasn't available for a time, I'm
thinking of hosting my own DNS servers, since I've had some issues
with granitecanyon about a year ago. I've heard that it's possible to
host both the primary and secondary DNS servers on the same box; is
this true? I'm using DJBDNS, so a better way to phrase that question
may be "is it possible to attach more than one IP to a single NIC?"
since I can easily attach additional DJBDNS instances to other
IPs. I'm used to only using one IP per NIC, so this is new to me (if
it's even possible.)
Since I'm operating under the assumption that RR will probably change
my IP often, I'll need a way to ensure that the IP to which the domain
points is current. I'm thinking of setting the domains' TTLs low or to
0, are there any issues involved with this? I definitely couldn't use
granitecanyon if I did this since they request reasonable TTLs, and I
doubt any of my domains will be extremely popular, so I don't think
the additional DNS traffic would pose an issue. My only concerns are
the primary and secondary nameservers. If I'm purchasing mydomain.com,
and using ns[1-2].mydomain.com as nameservers, this seems like it'd
pose problems (I'm extremely new to nameservers in case you haven't
noticed :) since mydomain.com would need to be queried to locate where
the nameservers responsible for locating it reside. Are these
nameservers stored as IPs and displayed using reverse lookup? Or is
there something else which I'm not aware of?
And, perhaps the question which I should have asked first . . . is
this impossible? Granted I could use dyndns.org and friends, but I'd
like to host my own domains as a learning experience.
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