Re: issue of adding additional name server in us domain to an edu domain

2018-01-12 Thread Mitchell Kuch
Hi, Schilling - NS records need to be updated in both the parent and authoritative zones. The edu. parent is operated by Educause (and Verisign). The cps.edu hostmaster can request the nameserver addition here: https://net.educause.edu/ It is best practice for both listings of nameservers to matc

Re: switching entire DNS system to new servers and IP addresses

2017-02-23 Thread Mitchell Kuch
practice, we have encountered caching resolvers that provide non-decrementing TTL values to downstream resolvers and clients. Even if a misbehaving resolver expires its cache at the two-day mark, some of its clients are likely to retain the old records for an additional two days. Mitchell Kuch

Re: localhoast A record?

2014-03-21 Thread Mitchell Kuch
The only remotely valid use case that I have found was the default DNS monitoring rule for OpenNMS and other monitoring applications. Such a shame. On Fri, Mar 21, 2014 at 12:09 PM, Marco Davids (SIDN) wrote: > To me, an NXDOMAIN-reply seems better On Fri, Mar 21, 2014 at 8:50 AM, Mitchell K

localhoast A record?

2014-03-21 Thread Mitchell Kuch
Hello - I've adopted a number of zones and most of them contain "localhost in a 127.0.0.1" records. I'm curious what current RFC standards state and what the community considers best practice. RFC1537 states that zones should contain a localhost record, but it seems that practice was obsoleted by