MACROMEDIA COLDFUSION 4.5-ADMINISTRING COLDFUSION SERVER Manual page 287

Chapter 6: Creating Scalable and Highly Available Web Sites
btcfgchk DNS error reporting (Continued)
Error
<IP address 1> reverse
maps to <hostname>
which then forward
maps to <IP address
2>
Error looking up
<hostname> by name
Host name a round-
robin name, or does
not map to configured
IP address
Host name not found
in any reverse
mapping
Probable forward
mapping
misconfiguration for
<hostname>
Probable round robin
configuration for
<hostname>
hostinfo utility
The hostinfo utility is a network management tool that displays information about a
specified domain name. Use it to analyze and troubleshoot problems you are having
with DNS mappings to a particular domain.
To run the hostinfo utility, enter the following command-line syntax:
Explanation
btcfgchk did a lookup on <IP address 1> and found a host
name to which it is mapped. It then attempted to verify that
this host name maps back to the IP address specified, and the
verification failed.
There is likely an issue with your DNS configuration. Use the
ClusterCATS hostinfo utility to gather more information on
how the names and IP address are configured.
hostinfo <IP address 1>
hostinfo <hostname returned from initial hostinfo>
ClusterCATS could not resolve the given host name to an IP
address. Use nslookup to look up the host name in DNS.
The host name maps to more than one IP address (round-robin
DNS) or maps to an IP address not found on this machine. Use
the ClusterCATS hostinfo utility to check the host name DNS
configuration:
hostinfo <hostname>
If you see more than one IP address listed, then round-robin
DNS is being used. If you see one IP address, check to see if
that address is configured on this machine. You can use the
ipconfig/all command to view all IP addresses on this
machine.
For each IP address found on the system, an attempt was
made to find the corresponding host name. None of the IP
addresses on the system reverse mapped to the system's main
fully qualified host name. The problem is either:
The host name maps to the wrong IP address.
The IP address that the host name maps to does not
have an entry in the DNS table for the reverse map.
Consequently, nslookup does not return the hostname.
The host name does not map to a single IP address. Use the
hostinfo tool to determine to which IP address it maps.
265