3
votes
1answer
41 views

Using dig axfr to perform a zone transfer from a Windows Server 2012 DNS server

I'm working on setting up host auto-discovery for Nagios using DNS records. When I try to use dig axfr to do a zone transfer (dig axfr local.domain.com), however, I get the following output: ...
1
vote
2answers
58 views

Why are additional DNS records only returned when the query isn't cached?

I'm trying to track down an issue we're having sending mail to a particular domain. We noticed that we're not getting consistent results from nslookup/dig when querying their MX records, and I'm not ...
0
votes
1answer
42 views

Check all domains served by a DNS server [duplicate]

Is there any way to query a dns server to find out all the domains it is the authoritative server? [all domains it has configured?] (I can use dig or any other tool)
0
votes
1answer
22 views

DNS resolution failure when querying through server IP

I have a DNS zone file with the following config : $TTL 86400 $ORIGIN example.com. @ IN SOA ns1.example.com. dns.example.com. ( 2014022604 ; Serial ...
0
votes
1answer
29 views

Is it needed to use local DNS cacher in EC2 / VPC?

Seems like AWS internal DNS is already a very low latency one, e.g. On ec2 dig google.com | grep "Query time" ;; Query time: 0 msec So do we really need to use another DNS cacher?
0
votes
1answer
67 views

Why does dig succeed if I add an SOA query and fail when I do not?

When I do this dig I get no answer... red@localhost:~$ dig +noall +answer name-one.name-two.com @mydns-server.name-one.com ... but when add name-two.com soa I get an answer for ...
0
votes
1answer
65 views

digging an IP gives me an unregistered domain name, why? [closed]

I get spam all the time (what a surprise!) and once in a while I check the IP address to see where it comes from (i.e. .cn, .cz, .pl, etc.) Today I was surprised as I found the output of dig to be: ...
0
votes
1answer
309 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 ...
2
votes
2answers
92 views

linux: shorter 'host' command output

I'm using dns to manage my virtual hosts. In order to do so I query my nameserver with the host command for for certain values is need. For example: > host -t txt mycl1.vz mycl1.vz.myserver.de ...
0
votes
0answers
48 views

How to get all website under authoritative nameserver with dig command or other solution?

What is the dig command to show all website under authoritative nameserver? Is it actually possible? If it's not, what is the other solution? Thanks in advance.
0
votes
1answer
129 views

PowerDNS does not resolve TXT records

My PowerDNS DNS server 3.3 does not resolve TXT records. Database looks like this: PowerDNS database When I try to dig my server for TXT entry they are not being shown: [root@nowosci powerdns]# ...
-2
votes
1answer
113 views

Cached response times from Google Public DNS slow

I noticed very strange but consistent performance behavior from Google Public DNS 8.8.8.8. Even-though a DNS record was cached, the response time was in the range of 20-30ms, which seems high. When I ...
5
votes
2answers
104 views

How to determine which DNS server has the authority to set rDNS (PTR records)?

or to re-phrase... How to determine to whom authority has been delegated to set rDNS? Background In a multi-tier environment, where a block of IP's is assigned, then further split and assigned ...
3
votes
1answer
205 views

Sendmail MX Lookup fails, dig doesnt

Anyone able to explain this problem? I can do a dig or nslookup on a host and get the MX servers, but when I check through sendmail it fails? RHEL 5.6 Sendmail: (root)> sendmail -bt ADDRESS TEST ...
17
votes
2answers
647 views

DNS Server Responses and Timeouts

We're experiencing a frustrating problem on our LAN. Periodically, DNS queries to our ISP nameservers timeout forcing a 5 second delay. Even if I bypass /etc/resolv.conf by using a direct dig to one ...
0
votes
1answer
137 views

Dkim DNS Setup: dig +trace finds the key, dig notrace doesn't

i'm setting up DKIM for my domain to sign outgoing mails. I've got some issues on DNS configuration, because DNS configuration is mixed between external DNS (hosting) and a cloud server, which sends ...
0
votes
2answers
222 views

Dig -x equivalent for AWS Route 53

I have an IP number associated with an AWS Elastic IP (EIP). I'd like to know, what DNS records in my Route 53 domain are associated with that A record's IP. In a traditional DNS service, I would ...
3
votes
1answer
468 views

Google Public DNS is returning a SERVFAIL for my domain

Hope some one will help me in resolving the issue. My Domain name is "prohosterz.com" Google Public DNS is returning a SERVFAIL for my domain: $ dig prohosterz.com @8.8.8.8 ; > DiG 9.9.2 > ...
1
vote
1answer
93 views

Dig Connection Error on SRV Records

Using Bind9 running on localhost. I have two records in my DNS zone file: _kerberos._udp.GROUP-42.SNOOPY.ISP IN SRV 0 0 88 kirby.group-42.snoopy.isp. kirby.group-42.snoopy.isp. IN A ...
1
vote
1answer
781 views

What's the difference between `dig` and `host` when querying a specific name-server?

I was using this command to verify if I'd set things up correctly with a DNS provider: host hostname.example.com ns1.example-nameserver.com As far as I can tell, this asks ...
0
votes
1answer
72 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: ...
1
vote
1answer
157 views

Bind DNS configuration, dig command don't resolve name

I am using Fedora 17 with bind 9. I tried to manually configure a DNS for a network, editing /etc/named.conf: options { listen-on port 53 { localhost; }; listen-on-v6 port 53 { ::1; }; directory ...
0
votes
3answers
1k views

DNS searching with wildcards?

Anything like nslookup or dig offer the ability to search based on something contained in the name ... like a wildcard search or something? I'm trying to make a little script with a GUI wrapper for ...
13
votes
1answer
2k views

Is dig +trace always accurate?

When the accuracy of a DNS cache is in question, dig +trace tends to be the recommended way of determining the authoritative answer for an internet facing DNS record. This seems to be particularly ...
0
votes
1answer
204 views

Is there a drawback to both A and AAAA records in the ADDITIONAL section?

I'm just asking for a possibility of having both ipv4 and ipv6 configurations in one domain. If I do dig <domain>, inside the ADDITIONAL SECTIONS will display the A and AAAA records. Are there ...
1
vote
1answer
251 views

“dig … any” shows A record but “dig … a” does not

When using "dig host.name.here.com A" I get SERVFAIL and no answer. But when I do a "dig host.name.here.com ANY" I get NOERROR and it returns an A record. Any idea as to what may be wrong with the ...
0
votes
2answers
66 views

dig returns ip addresses in differing order?

Pretty basic question here - when I run the command dig mx1.hotmail.com +short to get the ip addresses of one of hotmail's mail servers, they return the same list with a different order every time. I ...
2
votes
2answers
728 views

Why is nslookup and dig giving me a “Warning: ID mismatch … got 0” error?

I'm trying to troubleshoot some persistent connectivity issues and I'm frequently getting the following error message when using dig or nslookup. bash$ nslookup > www.google.com ;; Warning: ID ...
0
votes
2answers
87 views

Testing new nameservers using dig

I have a domain, example.co.uk, and it has its nameservers registered with the registrar as current-nameserver.co.uk. It has a TXT record with value ORIGINAL. I decide to change DNS providers to ...
1
vote
2answers
2k views

BIND9 as a cache-only nameserver doesn't work

I installed BIND9 via apt-get on a newly installed and completely updated UBUNTU 12.04, virtualized on VirtualBox. I want to use it as a cache-only nameserver. named.conf contains only the following ...
-3
votes
2answers
96 views

What is the difference of dig results between domain and www.domain

I found a domain name which gives different results for following dig commands. Lets assume the domain name is domain.com. Commands: dig domain.com dig www.domain.com Is anyone know what are the ...
0
votes
0answers
183 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 ...
1
vote
2answers
1k views

Why don't DNS root servers answer?

If I try to query a root server with dig, I never receive an answer. For example the output for dig @b.root-servers.net www.ubuntu.com is ; <<>> DiG 9.8.1-P1 <<>> @b.root-servers.net ...
1
vote
2answers
208 views

CentOS 5.8 dig is not resolving ip-address [closed]

I'm running centos 5.8 on a local machine at home. Today I was trying to analyze the DNS-Lookup via dig. $ dig +trace -t A www.heise.de. This is giving me something like this as a response de. ...
-1
votes
2answers
202 views

Simple dig output?

In a script I want to be able to write an IP address to somewhere easily, so I thought using dig (or a similar command) with back-ticks. However the simplest output I've been able to come up to wrt ...
1
vote
0answers
98 views

DNS lookup failure while configuration is okay

I have configured my DNS using OpenPanel and it didn't report any errors. It just adds a DNS config file which is included /etc/bind/named.conf. When I do named-checkconf /etc/bind/named.conf ...
4
votes
2answers
1k views

Why can host and nslookup resolve a name but dig cannot?

Can anyone tell me why this is happening? I can resolve a hostname using host and/or nslookup but forward lookups do not work with dig; reverse lookups do: musashixxx@box:~$ host someserver ...
-2
votes
1answer
262 views

dig @8.8.8.8 not working

I was wondering what could be the reason that dig @8.8.8.8 stackoverflow.com fails with a ;; connection timed out; no servers could be reached error. A tracert -p 53 8.8.8.8 worked fine, I ...
1
vote
1answer
2k views

sed replace all tabs and spaces with a single space

I got a string like the following: test.de. 1547 IN SOA ns1.test.de. dnsmaster.test.de. 2012090701 900 1000 6000 600 now I want to replace all the tabs/spaces inbetween the ...
1
vote
1answer
1k views

Recursive forward a zone in BIND

I have a VPS with BIND set up. It works well for several months. Recently I want to set up another DNS program to manage foo.example.org subdomain on this VPS. I've setup these in dns.he.net: ...
1
vote
1answer
866 views

DNS resolve timeout on RHEL 6.3 behind firewall

I have a server running Red Hat 6.3 Enterprise inside a VMWare virtual machine. There's a Juniper SSG 5 firewall sitting between the server and the Internet. I'm trying to diagnose what it looks like ...
10
votes
1answer
5k views

Force dig to resolve without using cache

I'm wondering if there is a way to query a DNS server and bypass caching (with dig). Often I change a zone on the DNS server and I want to check if it resolves correctly from my workstation. But since ...
0
votes
1answer
481 views

DNS setup with BIND

I've recently made a server (it's a VPS hosted on a2hosting) by following these instructions: http://www.howtoforge.com/perfect-server-centos-6.0-x86_64-ispconfig-3 All is working well, except for ...
0
votes
1answer
91 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
3answers
98 views

BIND result validity

I setup a local name server (BIND on OS-X) and was pleased that 'dig' response times were very short (2nd query onwards). However, if I wait a short period (5s) the response time goes up again - the ...
2
votes
3answers
417 views

dig @my-server-ip mydomain.com works from inside, not from outside?

My server has 2 ips: x.x.x.73 and x.x.x.248. I can access my site via these ips, using Web browser. {Now, from a CentOS machine (not my server), using terminal} If I: dig @x.x.x.73 mydomain.com ...
3
votes
2answers
4k views

resolv.conf options not being honored

Was hoping to implement the "options rotate" directive within resolv.conf to have DNS lookups rotate through the nameservers listed in that file. As I understand it that is the point of this ...
1
vote
1answer
84 views

OpenSource NetworkTools Application

Are there any opensource web-application tools like http://network-tools.com/ ? I want to perform DIG, traceroute, ping, telnet, whois etc.
2
votes
1answer
105 views

host dns lookup curiosity

Can anyone help me understand this :-- %)-- host brahma.mksh.net Host brahma.mksh.net not found: 3(NXDOMAIN) now when I run dig with trace.. I get the A record for brahma.mksh.net that I've ...
0
votes
3answers
870 views

DIG connection times out DNS [closed]

I'm at home (COMCAST is the ISP). I can run nslookup and resolve IPs fine. When I run dig I receive "connection timed out: no servers could be reached" I'm going to fireup a network trace but ...