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Questions tagged [nameserver]

A name server is a computer server that hosts a network service for providing responses to queries against a directory service.

A name server is a computer server that hosts a network service for providing responses to queries against a directory service. It maps a human-recognizable identifier to a system-internal, often numeric, identification or addressing component. This service is performed by the server according to a network service protocol.

Examples of name servers is the Domain Name System (DNS), one of the two principal name spaces of the Internet. The most important function of these DNS servers is the translation (resolution) of human-memorable domain names and hostnames into the corresponding numeric Internet Protocol (IP) addresses, the second principal Internet name space which is used to identify and locate computer systems and resources on the Internet.

Source: Wikipedia.

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Why can I resolve this hostname but not a cname to this hostname?

If I run dig against a hostname, I get the according cname, however I get an NXDOMAIN error (non existent domain). if I run dig against the cname I got, I can resolve it to an IP address successfully. It is reproduceable. On the system I am…
The Shurrican
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Null MX records

The IETF appears to have had a draft to specify a null mx record whereby a domain would not handle mail and mail delivery systems would fail and return a undeliverable system immediately by directing a domain's only MX record to '.' (c/f…
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Can I use a CNAME to point to a 3rd Parties NS Servers?

Possible Duplicate: In DNS can an IN NS point to a CNAME? I am in the process of migrating hosting providers. Currently I have significant number of domains pointed at my current NS servers. My new provider has their own NS server that I will…
Luke McCallum
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slow DNS resolution

I have a DNS server that resolves all queries for an internal group of servers. It is a bind on CentOS 5.5 (same as RHEL5) and I have set it up to allow recursion and resolve direction without any forwarders. The problem I am facing is that it takes…
Ehsan
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Root nameserver vs. top-level domain server

What's the difference between a root nameserver and a TLD (top level domain) server?
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Adding DS record to parent in DNS

I am trying to set up DNSSEC for my domains. Everything seems to work but I get the following error: DNSKEY found at child, but no DS was found at parent. Check for DS records in parent zone We found that none of your DNSKEY records are published…
Saif Bechan
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How to I make a domain resolve to different IP's when resolved from internal network and external network?

So I looked through BIND and Dnsmasq and unable to figure this out. I have a few of servers on DigitalOcean, and they are on the same datacenter. I want to be able to use internal IPs to get better intra network pings and (obviously, free private…
Arnav Gupta
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How are the NS records resolved?

Note: I'm aware of glue records and that DNS servers use them only in case the ns server domain is the same as the domain for which you sent the query. Now my question was: Say you have example.com which has ns1.example.org (a different domain than…
daremkd
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Why am I seeing IPv6 resolve errors despite having disabled IPv6 in bind?

I see lines such as Feb 13 21:45:48 srv named[2355]: address not available resolving 'secure.gravatar.com/A/IN': 2a04:fa87:ffff::c6b5:7405#53 Feb 13 21:42:29 srv named[2355]: address not available resolving 'la1.akamaiedge.net/AAAA/IN':…
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Domain will not propagate (Over 96+ Hours)

I'm stumped. I have dozens of domains, but this is my first "ngo" domain. On tuesday (march 15th, 2016), I set the same servers for my domain "sai.ngo"…
Andrew Wei
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Does SOA record need to be updated to alter nameservers

My domain registrar has a top level SOA record for my domain which is unchangeable and two NS records pointing to the default nameservers for the registrar. If I want to update my nameservers do I just need to update the NS records or does the SOA…
Rob
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what does this mean Superfluous name server listed at parent: ns52.domaincontrol.com?

I get this message from pingdom Superfluous name server listed at parent: ns52.domaincontrol.com A name server listed at the parent, but not at the child, was found. This is most likely an administrative error. You should update the parent to match…
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Lowering TTL on nameserver, not registrar, then changing nameservers?

A client website has their domain name registered at GoDaddy. This domain points to Wix.com's nameservers. I've lowered the TTL in wix to 1 hour. However, when we go live we'll be switching the nameservers themselves (with Godaddy). When a zone…
Radley Sustaire
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Caching DNS server returns invalid ip address for external lookups

I'm trying to resolve a DNS issue and am running short of ideas. Google doesn't seem to be helping, either. When I use my local caching name server to resolve external host names, it always returns 192.168.1.251. There are some examples below. Where…
otto schreibke
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Nameserver: Slave can't transfer zones from master

My slave can't transfer the zones from the master. My configuration: Master server: Ubuntu 12.04 with Plesk 11.5. Plesk uses Bind 9 as nameserver. Slave server: Ubuntu 12.04, Bind 9. To tell the slave server which zones he needs to transfer I use…
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