Two hidden masters - sending notifications to public slaves.

2014-07-07 Thread Maren S. Leizaola
Hello, We are setting up to do zone generations of two separate hidden masters which will take turns on the zone generation. Public/visible DNS servers "should" get notifies from both servers and select the one with the with the highest serial number. I am planning to run bind on one server

Fwd: Re: What do you do when the Root records are wrong?

2014-04-03 Thread Maren S. Leizaola
NS records of udrtld.net and then adding them to fix it, it has not helped but they are escalating it. Seems like a propagation problem as Chris says. There is little I can do. Thanks. On 4/3/2014 7:19 PM, Maren S. Leizaola wrote: It seems that UDRTLD.NET is not equal across all DNS server o

What do you do when the Root records are wrong?

2014-04-03 Thread Maren S. Leizaola
It seems that UDRTLD.NET is not equal across all DNS server on the Root zone and it is affecting all the hosts that we are hosting. https://www.whatsmydns.net/#A/ns1.hk.org https://www.whatsmydns.net/#NS/udrtld.net some DNS servers are responding with this: ns2432.ztomy.com ns1432.ztomy.co

Re: Re: Audit the consistency of zone files on DNS servers

2014-03-17 Thread Maren S. Leizaola
Thanks for your reply. Maybe I am a skeptic, but I am not skeptic of just bind, skeptic about myself and any script that is generating zones, all I know that things go wrong... including things caused by my own mistakes. 1. I now run a Bind and other DNS servers. I am not sure if inter oper

Re: Re: Audit the consistency of zone files on DNS servers

2014-03-15 Thread Maren S. Leizaola
On 3/15/2014 1:53 AM, Kevin Darcy wrote: On 3/14/2014 8:28 AM, Maren S. Leizaola wrote: Hello, What do you guys recommend to audit every resource record in a zone file against all the records in all the DNS servers that host the zone file. I want something that I feed the

Re: Re: Audit the consistency of zone files on DNS servers

2014-03-14 Thread Maren S. Leizaola
On 3/14/2014 9:20 PM, Stephane Bortzmeyer wrote: On Fri, Mar 14, 2014 at 12:33:47PM +, Phil Mayers wrote a message of 25 lines which said: dig @server zone axfr >file diff file file.real If you're really paranoid, it may not be sufficient since a server may reply differently to "norma

Audit the consistency of zone files on DNS servers

2014-03-14 Thread Maren S. Leizaola
Hello, What do you guys recommend to audit every resource record in a zone file against all the records in all the DNS servers that host the zone file. I want something that I feed the master zone file and then goes to each NS server and ensures that each of the records are

Re: DNS Racing -Multi ISP load balancing with failover using DNS.

2011-06-01 Thread Maren S. Leizaola
On 5/31/2011 7:39 AM, Mark Andrews wrote: It is still a bad idea. Fixing the clients so they work well with multi-homed servers not only works today with mostly IPv4 servers but also works well with dual stack server and IPv6 only servers. You don't have to have artifially low TTLs on the DNS r

Re: Re: DNS Racing -Multi ISP load balancing with failover using DNS.

2011-05-30 Thread Maren S. Leizaola
; protocol="application/pgp-signature"; boundary="enig46D823F06B8505CC93187062" This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --enig46D823F06B8505CC93187062 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encodi

DNS Racing -Multi ISP load balancing with failover using DNS.

2011-05-29 Thread Maren S. Leizaola
DNS-Racing is a method of load balancing access to servers which are multi homed and provides lowest latency access to users and network resilience to ISP/routing failure. * **What does it do?* It permits a server which is connected to two ISPs to use the optimal ISP when transferring data to