SV: GET all top domain entries
Johnny Damtoft
JOD at sonofon.dk
Mon Sep 25 10:27:43 UTC 2000
hi Jim
I think that i saw a zone file for .COM or .NET somewhere (on an FTP) witch
was owned by the root-servers.
What about downloading this one, and there you go??? Or do we have to query
the DNS for every domain ?
/ Johnny
> -----Oprindelig meddelelse-----
> Fra: Jim Reid [SMTP:jim at rfc1035.com]
> Sendt: 25. september 2000 12:19
> Til: Sin Hang Kin
> Cc: comp-protocols-dns-bind at uunet.uu.net
> Emne: Re: GET all top domain entries
>
> >>>>> "Sin" == Sin Hang Kin <kentsin at poboxes.com> writes:
>
> Sin> Dear, The domain name registration info is very useful : I
> Sin> want to build a regional directory for all internet
> Sin> sites. However, I found looking on the search engines were
> Sin> difficult task. Can I get the domain names from DNS or other
> Sin> sites?
>
> In theory yes, in practice no. Most top-level domains refuse zone
> transfers, expect from the TLD's name servers. There are two reasons
> for this. The first is the load of servicing zone transfers. Some
> zones - like .com - are huge and will take forever to transfer. So it
> makes sense to restrict transfers to the servers that have a valid
> reason to do so. The second reason is spam prevention. By denying the
> public access to the whole zone, it makes life harder for spammers to
> harvest domain names and bombard the world with junk.
>
> Sin> Moreover, can somebody tell the morality of using these data?
> Sin> Is it immoral to use it for building a regional directory?
>
> No. In fact, regional directories already exist at places like RIPE,
> ARIN and APNIC which handle address allocation and maintain things
> like whois databases. Some TLDs do this too.
>
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