• State Not Answered
  • Locked Locked
  • Replies 3 replies
  • Subscribers 24 subscribers
  • Views 1204 views
  • Users 0 members are here
Options
Related
This discussion has been locked. The information referenced herein may be inaccurate due to age, software updates, or external references.
You can no longer post new replies to this discussion. If you have a similar question you can start a new discussion in this forum.

IPAM not resolving hostnames

usuee

I can't figure this out.  I have IPAM 4.0.0 installed and it is scanning quite a few different domains.  It seems that the domain that the Solarwinds server is located all the IP addresses resolve to hostnames.  Every other domain this is not the case.  If I do an NSLOOKUP on the server, the IP addresses do resolve and I have a DNS server defined in Solarwinds.  Any clues on what I have not configured?

  • 0

    Hi,

    does ping -a command work?

    In IPAM DNS name is being resolved to the HostName field, but when you have SNMP scanning enabled for the subnet, and you have SNMP credentials for the devices on it, the System Name is being filled from the device SNMP system name.

  • 0 in reply to michal.hrncirik

    ping -a works.  I try an nslookup with the IP address and it does not resolve, but if I use the hostname of the server, it does resolve. 

  • 0 in reply to usuee

    DNS servers have 2 lookup zones - "forward lookup zone" and "reverse lookup zone". When you do a
    nslookup hostname.yourdomain.com the DNS server looks into forward lookup zone to get the IP address of the specified hostname. When you do
    nslookup x.x.x.x  (IP address) DNS server looks into "reverse lookup zone" to give you the host name associated with the IP address.

    Contact your system/server/DNS administrators and ask them to check and make sure the reverse lookup zone is created and configured for the IP scopes you are trying to scan. Also if the hosts IP addresses exist in the reverse lookup zones.

SolarWinds solutions are rooted in our deep connection to our user base in the THWACK® online community. More than 195,000 members are here to solve problems, share technology and best practices, and directly contribute to our product development process.

SolarWinds Customer Success Center Certification Media Vault Link Accounts
About THWACK Blogs For Government Edit Settings Free Tools & Trials
Legal Documents Terms of Use Privacy California Privacy Rights Security Information
©2024 SolarWinds Worldwide, LLC. All Rights Reserved.