All Questions
Tagged with domain-name-system nameserver
634
questions
-1
votes
0
answers
76
views
How to create zones and zone files for existing public zones on an internal BIND server? [closed]
We have two BIND DNS servers in our infrastructure and all of the servers and clients DNS servers are set to these two BIND servers.
We want to create some records for DNS resolution and since our ...
- 170
0
votes
1
answer
48
views
Two nameserver domains that refer to each other causing issues
I have a VPS which hosts multiple domains including (modified for privacy):
mydomain.co.uk
mydomain.uk
I have registered name server GLUE (verified) for the following - all use the same IP address:
...
- 101
0
votes
0
answers
48
views
DNS resolution failure when resolv.conf has nameserver value as 127.0.0.1
We have an application hosted in 2 ec-2 instances. In an AWS Route 53 record of A type, the domain is mapped with the IP addresses of those 2 servers. From one of the local VM in our office network, ...
1
vote
1
answer
7k
views
How can I configure my DNS settings on Debian 12?
I'm trying to change my DNS settings on my Debian 12 VPS, and by this I mean, I want to use a public resolver like 1.1.1.1 instead of my VPS host's resolver.
I remember in Debian 11 I could just edit ...
- 131
0
votes
1
answer
87
views
Name server propagation for sub sub domain
I face a problem for adding a DNS record to a sub sub domain ("x.y.example.com").
To explain the architecture further :
"example.com" is my commercial website. NS records are set ...
- 3
-2
votes
2
answers
60
views
Multiple servers on only 3 nameservers
I've been googling for days now and I can't seem to find the answer.
I've seen multiple hosting providers with just 3 nameservers (ns1.example.com, ns2.example.com, ns3.example.com) and they have ...
0
votes
1
answer
162
views
What happens to a user's browser cache when the website's IP address changes?
When a website's nameserver is set to point to a new IP address, do the cached html pages and images in the user's browser invalidate and get re-fetched?
Consider this case:
The nameserver's A record'...
0
votes
2
answers
68
views
point CNAME Record to multiple wildcard A Records
I am trying to point my cname to my wildcard FQDN which has multiple A-Records.
Dig Output:
;; QUESTION SECTION:
;access.domain.intra. IN A
;; ANSWER SECTION:
access.domain.intra. 3600 IN ...
- 3
0
votes
1
answer
118
views
Why can't I activate DNSSEC for Domains with a gg ccTLD, despite the fact that there are many domains, which have a valid signature?
This is my first question and hope that I'm in the right community. I bought a gg Domain a while ago and wanted, later needed, DNSSEC. After the purchase I encountered the problem, that I can not ...
- 1
0
votes
1
answer
89
views
Nameserver Setup For Subdomain
I have a domain, flossnet.co.za which is pointing to a VPS at Contabo with nameservers ns1.flossnet.co.za and ns2.flossnet.co.za
I have created a subdomain, courses.flossnet.co.za which points to a ...
0
votes
1
answer
380
views
Separate nameservers and DNS records
I have a domain set up where the domain is registered with one provider and the DNS records (I believed) were managed with a different provider. The nameservers on the registrar point to the different ...
- 353
0
votes
1
answer
73
views
Querying the nameserver for NS record of a domain results in a non-authoritative answer
I was wondering why name server record need to be in the zone file, because the delegation is already done by the parent zone. I came across this answer. That answer makes sense, I suppose. Then I ...
- 111
-1
votes
2
answers
389
views
DNS lookup fails if provided domain name ends with a slash
We have successfully run an office network with various Linux servers (Ubuntu) and Windows+Linux clients for several years now. One server acts as and internal DNS server using the DNSmasq light-...
- 11
0
votes
0
answers
400
views
Bind9 unable to resolve external nameserver
I have set up a DNS Server within my company's LAN.
Local nameservers works correctly, however those outside such as google.com are not resolved...
By running dig google.it I get this result:
; <&...
- 1
0
votes
0
answers
554
views
Do I need to change SOA on OVH to use AWS? If so, how?
I bought a domain name on OVH, it's dnapc.ovh.
But, I want to store the DNS configuration on AWS. (I find this simpler to manage, and it's clearer this way what belongs to the AWS config and what ...
- 103
0
votes
2
answers
59
views
Change host & nameservers at the same time
I am about to move hosts for my website. I need to change the nameserver (Siteground -> Cloudflare) as well as edit the A-record so that it points to the new host (SG -> Cloudways).
Since I have ...
0
votes
1
answer
448
views
Bind9: TTL 604800 exceeds configured max-zone-ttl 86400
I'm running bind 9.16.33 nameserver on debian. It's been working fine, but all of a sudden several domains stopped working. The named logs show:
dns_master_load: ki9.us.db:3: TTL 604800 exceeds ...
- 1,273
0
votes
1
answer
183
views
How to create a custom nameservers for my domain and my clients can use it to point their domain
I know this is a general question but I tried a lot of solutions without any success.
What I want to do is to create a custom nameserver like ns1.example.com/ns2.example.com
I tried bind9 but I always ...
- 31
0
votes
2
answers
90
views
Name server change, impact analysis and down time - worst case
The company I am working for is changing the name servers our registrar points to and wants a complete impact analysis in worst case scenario to impacted systems.
I know if we update the TTL's and ...
- 91
-1
votes
1
answer
57
views
Canceling domain name effects in nameserver [closed]
I have 5 domain in cpanel, one of the domain name is (just say) abc.com , nameserver name is ns1.abc.com and ns2.abc.com for all 5 domains, Here I have to delete account and don't want to renew abc....
- 99
0
votes
1
answer
340
views
When an authoritative server is found in the NS record, is the A record checked for the ip address or not?
I am trying to understand what NS records are, how glue records form part of it and what happens afterwards? As far as I understand the NS record contains the hostname/s of the authoritative ...
- 33
-1
votes
1
answer
485
views
Wildcard *.domain.com for NS records
I have a linux server, and i want to turn it into a nameserver, with only one task of answering NS queries for some wildcard domains. For example:
*.domain.com. NS 3600 dns1.p09.nsone.net.
*....
- 1
0
votes
1
answer
115
views
If I want to use dig/nslookup to query about machines in a VLAN, how can I find which name server to use?
If I want to use dig/nslookup to query about machines in e.g., 38.102.145.0/24, how can I find the name server to use that could resolve machines in that VLAN?
- 949
0
votes
0
answers
24
views
DNS Newbie and my site is not resolving. It was working properly yesterday. (I think it may be nameserver issue but not sure)
My first post here and thank you in advance for taking a look. My website (bestwaytodothat.com) is currently not loading. A little bit of background:
I xferred the domain from Name.com to AWS Route 53 ...
-1
votes
1
answer
736
views
How can I get a list of domain names managed by a DNS server?
For example, how can I get a list of domains whose name server is ns1.example.com? If it is not possible to get the complete list, can I get part of the list?
- 113
0
votes
1
answer
501
views
Bind9 resolve based on server's (own) IP address requested
I have a bind9 DNS server with two (2) IP addresses assigned on it. Let's call them IP#1 and IP#2. I need a way to know which IP address the clients are using and respond with different results in ...
- 111
2
votes
2
answers
1k
views
Self-hosted vs outsourced domain name for NS record
my-manageable-zone.com
Let's say you have a DNS server with public IP address of 205.251.197.174 and you planned it to be an authoritative zone for my-manageable-zone.com. Basically, you have two ...
-1
votes
2
answers
100
views
Second-level domain as a primary NS server for itself
Is there anything in RFCs forbidding me from specifying NS records for mydom.example that go like this:
mydom.example 192.0.2.4
secondaryns.example
as compared to
ns.mydom.example 192.0.2.4
...
- 142
0
votes
1
answer
43
views
Working domain with no NS records, how is it possible?
I was checking a domain on cloudflare.
webroot.bitappii.com
There is no NS records for this domain on whois. Only SOA and A records. How this is possible that a working domain has no NS records.
...
3
votes
1
answer
397
views
Understanding NS Record and Authorative Server Better
I'm trying to understand how DNS works. Even after a quiet amount of searching it's still not clear to me how NS record works. Now I've following two facts.
Fact 1 (based on this article, the first ...
- 175
-2
votes
1
answer
82
views
DNS server query by the registry of my domain name is fine. But browser cannot fetch my website by its address [closed]
When I query my DNS server by the website of the the registry of .com** top-level domains, I can see that my DNS server is found:
Query
Domain: example**.com**
Answer:
Following name-servers have been ...
- 241
-2
votes
1
answer
213
views
Connecting subdomain to a server as hostname
I have my website (mydomain.com) connected with a vps server and now I want to setup another server and use subdomain from main domain for hostname as well the nameservers (e.g. srv1.mydomain.com ...
- 97
-1
votes
1
answer
293
views
How to implement Anycast DNS
Our website hosting provider uses Anycast DNS and has a zone file with a set of nameservers as shown the this screenshot for the zone www.example.com
However the nameservers for the domain are ...
- 99
-1
votes
1
answer
101
views
Different nameserver and glue record
I have a domain called domain.com (already working and in production) and that domain is already using ns1.example.com and ns2.example.com as nameservers.
Now I have created new Authoritative DNS ...
- 949
0
votes
1
answer
254
views
What happens if you make a mistake when you change the authoritative nameservers for a domain?
Say for example during a DNS migration to cloudflare, rather than transfering to "fred.ns.cloudflare.com" you typo'd "ferd.ns.cloudflare.com" or something similar for NS1, and the ...
- 3
2
votes
1
answer
166
views
Nameserver invalid warning from an intoDNS.com test
I made my own nameserver configuration, but as you can see in the picture and the intodns.com link, I am getting a (hostname) warning.
WARNING: At least one of your NS name does not seem a valid host ...
- 23
2
votes
2
answers
2k
views
Load Balancing DNS with Google Cloud Platform [closed]
I plan to achieve load balancing by using Google to balance NS/DNS between each of three servers.
I am setting up three servers with cluster DNS, records are replicated between each server.
I plan to ...
google-cloud-platform
0
votes
1
answer
446
views
Are NS records for a .com domain stored by the registrar or the .com registry?
Let's say I own example.com, that I bought by ExampleRegistrar.
Let's say that, by default, this registrar uses their own nameservers ns1.exampleregistrar.com, ns2.exampleregistrar.com.
Thus, when a ...
- 719
0
votes
1
answer
21
views
custom domain resolves through google but not company servers
I just set up a domain and when asking for the A records using the @8.8.8.8 server I get the correct record in no time. When I run +trace I see the company servers along the pathway, but when I run ...
- 131
0
votes
1
answer
1k
views
Dig from a specific domain shows no answer but normal dig works
I am having an issue with a WHM installation that was done over a week ago. It seems all is good on the WHM side of things but I am having issues with my nameservers I have set up
Whenever I try to ...
1
vote
0
answers
776
views
Unable to resolve IP address of our nameserver
Today, we suddenly started having intermittent problems checking our email, then getting to our web site. After some checking, we discovered it was a DNS problem. We were suddenly not able to ...
1
vote
1
answer
385
views
How to configure bind to not to do internal recursion?
While quering my authoritative-name-server (implemented with bind locally in VM) for "A" record of "host1.cool.com", it internally resolves the query using recursion (maybe) and ...
- 111
-1
votes
1
answer
1k
views
DNS TXT records failing to propogate
Got a strange problem, where I can get the TXT records for a domain when I query the domains name servers directly, but otherwise I get a not found: 2(SERVFAIL).
if I do
dig example.com TXT @ns1.david....
- 488
0
votes
2
answers
64
views
Site not resolving uniformly
My site www.acurent.com is not resolving to its IP address 23.20.46.124 uniformly
Check on: https://www.whatsmydns.net/#A/acurent.com, it shows that its resolving for certain networks only. If you ...
- 1
-3
votes
2
answers
160
views
Which DNS record type points at the directory where the website resides?
A server can host multiple websites.
For example let the server'S IP be 111.222.333.444
Then one website could reside at 11.222.333.444/example1 and another at 11.222.333.444/example2 directory
If you ...
- 147
0
votes
3
answers
102
views
Can a non-authorative dns server containing a domain zone ever return a record from non authorative zone?
I've almost got my head wrapped around NS delegation records.
I have this question though:
Can a non-authorative dns server containing a domain zone ever return a record from that zone instead of ...
- 115
1
vote
1
answer
48
views
Can I write server IP instead of DNS when changing nameservers
My website is currently using CloudFlare reverse proxy. In my nameservers I have defined DNS provided by CloudFlare. I am having some issue with CloudFlare so want to test it by removing reverse proxy....
- 763
0
votes
3
answers
10k
views
DNS server for fake domain, for internal testing usage only (on Linux)
Let's say that I have several machines (or VMs) on an internal (10.0 or 192.168 class) LAN, that need to communicate with each other, but instead of configuring a somewhat dynamic, tedious to keep ...
- 163
0
votes
1
answer
998
views
Getting ERR_CONNECTION_REFUSED after changing nameserver for a domain [duplicate]
Hello everyone I have a website which was hosted in digital ocean server and now i changed it to AWS. After changing the nameserver, when i access the domain i get error saying www.mydomain.com ...
- 87
-2
votes
1
answer
317
views
DNS query sends NS response for NAPTR query instead of going for SRV and A query [closed]
I am trying to send dns query with NAPTR+SRV+A query but after NAPTR query it dns send NAPTR response with NS response and with additional records that is SRV and A but I want to send SRV and A query ...
- 1