Re: Removing an NS server

2018-08-07 Thread John Miller
Hal, we've done this before - it's not particularly hard, just takes a
bit for everyone to pick up the new set of NS records.  You just make
the change upstream and also remove the NS records that reference the
system.  It's kind of weird: during the interim, you'll have a running
nameserver that doesn't return itself in its NS records.  If the same
set of servers also serves your reverse zones, don't forget to update
ARIN as well as Educause.

Educause sets their upstream TTLs to two days (ARIN's 1 day), but
people shouldn't be caching the referral, only your actual NS records.
If you're at all concerned, you can always set a low TTL ahead of time
on your NS records, so everyone will pull the updated records
relatively quickly once you make your changes.

John

On Tue, Aug 7, 2018 at 4:46 PM, King, Harold Clyde (Hal)  wrote:
> I don't think I made my point. I need to pull/remove a DNS nameserver from my 
> set of nameservers.
> My plan was to put the reference to it from our domain name provider. Then 
> pull it from the list of NS records. I am not changing my SOA record. Just 
> the nameserver. Did I make a mistake? Did you mean pull the NS reord for that 
> server, then pull it from the name provider. I'll still have 4 servers 
> running the SOA, and I don't plan to stop the old nameserver until well after 
> a week of running.
>
>
> --
> Hal King  - h...@utk.edu
> Systems Administrator
> Office of Information Technology
> Shared Systems Services
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Removing an NS server

2018-08-07 Thread King, Harold Clyde (Hal)
I don't think I made my point. I need to pull/remove a DNS nameserver from my 
set of nameservers. 
My plan was to put the reference to it from our domain name provider. Then pull 
it from the list of NS records. I am not changing my SOA record. Just the 
nameserver. Did I make a mistake? Did you mean pull the NS reord for that 
server, then pull it from the name provider. I'll still have 4 servers running 
the SOA, and I don't plan to stop the old nameserver until well after a week of 
running.


-- 
Hal King  - h...@utk.edu
Systems Administrator
Office of Information Technology
Shared Systems Services

The University of Tennessee
103C5 Kingston Pike Building
2309 Kingston Pk. Knoxville, TN 37996
Phone : 974-1599
Helpdesk 24/7 : 974-9900

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Re: Reverse DNS record for my webhost

2018-08-07 Thread Matus UHLAR - fantomas

On 06.08.18 19:29, A wrote:
I have a VPS and requested my webhost to fix reverse DNS for my domain 
& IP.  They responded by telling me to provide them with the records I 
want.


if you want to fix something, then it must be broken.
However, they have asked you, what should the reverse be.
so you just to have to tell them, what reverse DNS you want.

for example,  if your server is named "publicface.example.com", and the
publicface.example.com DNS record points to your IP, just tell your ISP that
you want it to be "publicface.example.com".  they will apparently set it.


I found the following response to someone's question on the *Net*:


are you sure you need to search for answers on the net, instead of asking
your ISP?

--
Matus UHLAR - fantomas, uh...@fantomas.sk ; http://www.fantomas.sk/
Warning: I wish NOT to receive e-mail advertising to this address.
Varovanie: na tuto adresu chcem NEDOSTAVAT akukolvek reklamnu postu.
Nothing is fool-proof to a talented fool. 
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