On Monday 05 June 2017 08:24:00 erdosain9 wrote:
> mmm... and what you think about this
>
> dig -x google.com
Firstly, I think "what is this supposed to mean?"
dig -x is for reverse lookups - you give it an address and it tells you what
name has been assigned in a PTR record (as opposed to a forward lookup, which
takes a name and tells you what address/s have been assigned in A or AAAA
records).
Therefore "dig -x" with a name makes no sense to me.
> ;; AUTHORITY SECTION:
> in-addr.arpa. 900 IN SOA b.in-addr-servers.arpa.
> nstld.iana.org.
2017042647
> 1800 900 604800 3600
> We have, little time? about 15', this is a problem, dont you think?
That's the TTL for lookups on a *root* name server - in fact I'm slightly
surprised it's even as long as 15 minutes.
A large TTL on root name servers would prevent the rest of the Internet from
finding out about new name/address assignments in a timely manner.
> Or im using bad dig??
Yes, I think that's the problem.
> what would be a good value???
What would be a good value for what?
What are you trying to achieve / find out?
Antony.
--
I lay awake all night wondering where the sun went, and then it dawned on me.
Please reply to the list;
please *don't* CC me.
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