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3answers
399 views

NSLOOKUP and NBLOOKUP give one IP address; PING finds another

In a Windows Server 2008 domain the on-site domain controller serves as both DNS and WINS server. It is also a DHCP server. One workstation is used as a platform for all admin of the various servers ...
0
votes
1answer
72 views

nslookup requests time out regardless of server - ping is fine

I've been having intermittent internet connection issues for a week or so now. I now suspect that these are just DNS issues rather than connection issues. At the moment I can ping google.co.uk no ...
0
votes
1answer
492 views

dig succeeds, nslookup fails (with dnsmasq as the server)

I installed dnsmasq on a machine of mine (It's a Kubuntu 12.04 LTS), backed only by /etc/hosts (no connection to the Internet until later). Now, if I dig mymachine, I get 192.168.0.1, but if I try to ...
0
votes
1answer
98 views

Subdomains on Windows Server - nslookup works, ping only with FQDN

I have a Windows Server machine with DNS set up in the following way: Zone: home.local Domain: apache A (same as parent) 192.168.2.4 A xml 192.168.2.4 I want to be able ...
0
votes
1answer
455 views

Cannot Ping or Resolve DNS Internally; Externally works fine

I have an issue where I cannot seem to access a subdomain from within the same server: I can ping, nslookup, etc subdomian.domain.com externally, but from within the server where subdomain.domain.com ...
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1answer
85 views

nslookup Returning Domain that is a Subdomain of some Default

I'm the owner of a hypothetical domain name, XYZ.com. I have an LXC container setup that exhibits an undesired behavior: $ nslookup non-existent-domain-12345.com Name: ...
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votes
1answer
127 views

nslookup ambiguous results ok after change dns records?

I've never changed public dns records before, I'm not really sure if this is normal because of DNS cache or if It's a real problem so I need your help. 8 hours after I changed the A record of the ...
0
votes
1answer
93 views

Concise set of rules for discarding DNS responses, or portion therein

Problem statement It is possible for any name server on the internet to become "Authoritative" for legitimate, and illegitimate zones. For example, I can add microsoft.com to my internal name ...
0
votes
1answer
154 views

semicolon in DNS name when nslookup resolving CNAME

I am running two Win2k3 and one Win2k8 DNS servers (and AD) in the same domain, country1.company.com. The DNS servers all have a secondary DNS zone for the AD domain country2.company.com. The two AD ...
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votes
1answer
530 views

Windows 2008 R2 DNS cant resolve own SOA

We have two Domain Controllers for our network. They both run DHCP, DNS, and ADS. They are both VM's sitting on MS Hyper V Server 2008 on separate physical hosts. We had our primary DC go down a week ...
2
votes
0answers
2k views

server can't find XXX.in-addr.arpa: NXDOMAIN

I am facing problem while configuring BIND DNS sowing server can't find XXX.in-addr.arpa: NXDOMAIN while reverse dns check! everything works on forward DNS lookup but reverse DNS lookup fails. Here ...
1
vote
0answers
31 views

Some people can access and nslookup my website but some others cant?

I am having a very weird problem with my server. Most people and myself can access normally without problem but some others report they cant and the only way they can access is through proxies and so. ...
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0answers
53 views

DNS Server Failure

I think I have an odd DNS situation on my hands. We have two Windows Server 2008R2 DNS servers that all of our campus machines use. We are unable to get to the site cdbaby.com in any web browser. We ...
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votes
0answers
36 views

How to diagnose flaky nslookup/bind9?

BACKGROUND I have a long running DNS (bind9) server running on Ubuntu that works most of the time (from Ubuntu, Win8 or OSX): $ nslookup gitserver Server: 127.0.1.1 Address: ...
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votes
0answers
295 views

pinging an unknown hosts from centos resolves

I am seeing very strange behavior with servers running CentOS 6.4 x64. If I run a ping on a host which clearly doesn't exist: ➜ ~ ping sdafsadfdsadfsasdfasdoi.com PING ...
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votes
0answers
235 views

name not resolve in vmware client PC

I have configured DNS server and DHCP sever on centos 6.2 vmware virtual machine. I have a windows xp vmware client machine. nslookup command is work in server terminal But it won't work in windows ...
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votes
0answers
197 views

Odd DNS behavior on multiple Ubuntu 12.04 VMs. NSlookup and Dig resolves hostname but ping cannot

In attempting to set up a VoIP server, I came across some interesting behavior from Ubuntu. My VoIP account was assigned a unique hostname that I am to connect to, however, Ubuntu is unable to ...
0
votes
0answers
163 views

dns reverse lookups failing after secondary dns added to domain

I recently added a failover dns to our domain and ever since i have done this I am no longer able to do reverse lookups inside the domain. It seems that I am no longer creating PTR records but if I ...