Name Server IP and a Dead ServerName Server IP and a Dead Server
About 24 hours ago I rebooted the system that runs the secondary DNS for my zone and a few other zones. I’d upgraded a few things and the system had[...]
Tag: dns
Dynamic DNSDynamic DNS
The Problem My SE Linux Play Machine has been down for a couple of weeks. I’ve changed to a cheaper Internet access plan which also allows me to download a[...]
DNS Secondaries and Web SecurityDNS Secondaries and Web Security
At the moment there are ongoing security issues related to web based services and DNS hijacking. the Daily Ack has a good summary of the session hijacking issue [1]. For[...]
The New DNS MessThe New DNS Mess
The Age has an interesting article about proposed DNS changes [1]. Apparently ICANN is going to sell top level DNS names and a prediction has been made that they will[...]
BIND StatsBIND Stats
In Debian the BIND server will by default append statistics to the file /var/cache/bind/named.stats when the command rndc stats (which seems to be undocumented) is run. The default for RHEL4[...]
Multiple DNS NamesMultiple DNS Names
There are many situations where multiple DNS names for a single IP address that runs a single service are useful. One common example is with business web servers that have[...]
MX vs A recordMX vs A record
One issue that has been the topic of some pointless discussion is whether a mail server should have an A record or an MX record. Mail can be delivered to[...]