Re: [External] strange queries incrementing letter by letter

2021-05-07 Thread Kevin A. McGrail
/bind-users -- *Kevin A. McGrail* /CEO Emeritus/ *Peregrine Computer Consultants Corporation* +1.703.798.0171 kmcgr...@pccc.com  https://pccc.com/ https://raptoremailsecurity.com 10311 Cascade Lane, Fairfax, Virginia 22032-2357

Re: [External] Re: Per server instance vs central / shared / redundant instances of BIND

2021-04-27 Thread Kevin A. McGrail
anti-spam processing will likely save more resources. On 4/27/2021 12:46 PM, Grant Taylor via bind-users wrote: E.g. if you had 29 mail servers, would you run BIND on each of their lo's?  Or would you use a small number of central / shared / redundant servers? -- *Kevin A. McG

Re: [External] OT: How to Easily Set Up a Full-Featured Linux Mail Server on Ubuntu 18.04.5 LTS with iRedMail 1.4.0

2021-04-27 Thread Kevin A. McGrail
use something like quad-8. Regards, KAM -- *Kevin A. McGrail* /CEO Emeritus/ *Peregrine Computer Consultants Corporation* +1.703.798.0171 kmcgr...@pccc.com  https://pccc.com/ https://raptoremailsecurity.com 10311 Cascade

Re: [External] [UPDATE 1] How to Easily Set Up a Full-Featured Linux Mail Server on Ubuntu 18.04.5 LTS with iRedMail 1.4.0

2021-04-27 Thread Kevin A. McGrail
@lists.isc.org https://lists.isc.org/mailman/listinfo/bind-users -- *Kevin A. McGrail* /CEO Emeritus/ *Peregrine Computer Consultants Corporation* +1.703.798.0171 kmcgr...@pccc.com  https://pccc.com/ https://raptoremailsecurity.com

Re: [External] Re: How can I launch a private Internet DNS server?

2020-11-07 Thread Kevin A. McGrail
On 11/7/2020 10:15 AM, Reindl Harald wrote: > > https://tools.ietf.org/html/rfc1537 > Common DNS Data File Configuration Errors > > 6. Missing secondary servers > > > It is required that there be a least 2 nameservers > > for a domain. > > - > > that above is common

Re: [External] Re: How can I launch a private Internet DNS server?

2020-11-07 Thread Kevin A. McGrail
On 11/7/2020 9:04 AM, Reindl Harald wrote: > first: there *is* a requirement of a secondary nameserver > https://www.iana.org/help/nameserver-requirements Does that requirement apply to the use-case? Based on the first sentence, "These are the technicals tests we perform for delegation changes in

Re: How can I launch a private Internet DNS server?

2020-11-07 Thread Kevin A. McGrail
> Do a web search for "secondary dns provider" and "backup dns provider" > I just wanted to comment that there is no "requirement" to run a secondary DNS server.  It's certainly best practice and should be considered.  However, the goal of having two DNS servers is to promote redundancy if DNS

Re: [External] Re: How can I launch a private Internet DNS server?

2020-10-15 Thread Kevin A. McGrail
On 10/15/2020 2:50 PM, Jason Long via bind-users wrote: > Yes. > In the panel of domain name registrar I can enter something like > "NS1.example.net" and an IP address. > I want to host the host t DNS server myself. Oh yes, you will also need a domain name register that let's you register the

Re: [External] Re: How can I launch a private Internet DNS server?

2020-10-15 Thread Kevin A. McGrail
On 10/15/2020 1:00 PM, Stephane Bortzmeyer wrote: > He said that the DNS server has a public IP address so port forwarding > is probably not necessary. Firewalls are cheap and the level of effort to run a bastion host are significant. I'd recommend port forwarding as a necessary task.

Re: [External] Re: How can I launch a private Internet DNS server?

2020-10-15 Thread Kevin A. McGrail
On 10/15/2020 12:57 PM, Jason Long via bind-users wrote: > Yes, I have two static IP addresses. One is for DNS server and one is > for my website. > Excuse me, I just have one server for DNS and that tutorial is about > secondary DNS server too. Can you show me another tutorial with one > server

Re: [External] How can I launch a private Internet DNS server?

2020-10-15 Thread Kevin A. McGrail
On 10/15/2020 12:36 PM, Jason Long via bind-users wrote: > I have a question about launching a DNS server with CentOS for hosting > a web server. Excuse me, if my question is so basic and funny. I need > expert advice about it. > I registered a domain name for my web site and in the panel of it,

Re: [External] Block-domain

2020-09-28 Thread Kevin A. McGrail
Mohammed, I think you might be unaware that .link is a TLD itself. Some thoughts: You can just create dummy unresolvable domains for these domains if you have centralized DNS.  If you don't you'll have to block at a proxy.  If you don't have that, perhaps you have a firewall with blocking

Re: [External] AW: Debian/Ubuntu: Why was the service renamed from bind9 to named?

2020-04-15 Thread Kevin A. McGrail
On 4/15/2020 3:09 AM, Klaus Darilion wrote: > I do not complain about the version number, but of the name. > > And in my opinion it is not sane to call a service/package httpd if the name > of the software is Apache. For me, adding the version number can make sense if there is an intention to

IPv6 Nameserver Question with dig +trace

2012-01-23 Thread Kevin A. McGrail
Hi All, On an older Bind server such as 9.3.6-p1, I can run dig +trace www.pccc.com. However, when I'm using 9.8.1-p1 and seeing a problem that stops the trace when it reaches our IPv6 nameserver, ns3.pccc.com. Examples follow. Am I doing something wrong with the newer dig? Regards, KAM

Re: IPv6 Nameserver Question with dig +trace

2012-01-23 Thread Kevin A. McGrail
On 1/23/2012 11:54 PM, Noel Butler wrote: Likely because ns3 has only ipv6 address and no ipv4 address and the server you are checking from has no ipv6 capability. You are asking for big problems using this method. You should give all NS records an IPv4 address, and then add in IPv6 on the

Re: IPv6 Nameserver Question with dig +trace

2012-01-23 Thread Kevin A. McGrail
On 1/24/2012 12:12 AM, Mark Andrews wrote: It's a known bug. Thanks for the update. If you need a tester for a patch, just let me know. Best, KAM ___ Please visit https://lists.isc.org/mailman/listinfo/bind-users to unsubscribe from this list