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Questions tagged [dns-zone]

"A DNS zone is a portion of a domain name space using the Domain Name System (DNS) for which administrative responsibility has been delegated." (From Wikipedia, the free encyclopedia)

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How to add CAA records, in PowerAdmin(PowerDNS) for ssl certificates in letsencrypt?

I am trying to add ssl certificates for a secure connection https for the domain and subdomains, but the problem I get is the following: DNS problem: SERVFAIL looking up CAA for DOMAIN DNS problem: ...
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0answers
31 views

how do I write the zone file for this domain [closed]

I'm new to dns I need to understand this more The happy.org domain has one subdomain, research.happy.org, and each domain has its own subnet (172.16.30 .0 & 172.16.31 .0) and is its own zone. ...
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17 views

DNS System - need some clarification about TLD owners and their authority [closed]

Could you please clarify a few things to me? I already know that when you become a registrar for a given tld such as .com, you have the authority to register new domains for that tld such as blabla....
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1answer
84 views

Website not working if www is in URL [duplicate]

I am forcing my webserver to rewrite a none www URL to www, e.g. https://example.com to https://www.example.com, via .htaccess. RewriteCond %{HTTP_HOST} !^$ RewriteCond %{HTTP_HOST} !^www\. [NC] ...
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0answers
26 views

how to use SSL on DNS type A record [closed]

I have domain and subdomain http://example.com (not secure) and http://reception.example.com example.com point to NS records with own shared hosting and reption.example.com point to AWS ec2 public ...
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0answers
23 views

(BIND9) Domains within certain Zone stop resolving randomly / intermittently

I've been stuck for a while with an error related to bind9 and particular domains within a zone. Sometimes the resolution of one or more random domains within the zone ("errorzone", let's say) stops ...
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2answers
36 views

Bind - Resolve two domains with a single server

I need a bit of help with BIND (Centos 7.5) Bit of a back story: We are running two domains on the network. One called company.domain.com and one called comp.domain.com company.domain.com has ...
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0answers
29 views

DNS dynamic updates stopped working

Recently I noticed dynamic DNS updates weren't working on newly joined workstations. Not sure when it stopped. If I run IPCONFIG /REGISTERDNS on a workstation, I get one of the two errors below ...
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2answers
45 views

Specifying lower priority backup IP for a nameserver

Let's assume that I use EasyDNS as a DNS service provider. There I have an A-record entry for ns-at-premises.example.com pointing to the IP address 123.123.123.123, where a DNS server is located, at ...
1
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1answer
80 views

linux web server, send mail using external (hosting provider) dns

I set Ubuntu 16.04 LTS server as web server (apache-php-mysql and sendmail) with valid public ip-address. Also, I use a hosting provider to redirect www.mydomain.com to my Ubuntu web server. Web ...
0
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1answer
42 views

Redirect cnamed domain?

My client is owning a domain that has this DNS configuration : domain.com @ xxx.xxx.xxx.xxx www CNAME domain.com static CNAME domain.com I am managing the server at xxx.xxx.xxx.xxx. This server has ...
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0answers
41 views

Setup DNS Forward Server to forward only specific domains

I want to setup DNS Forwarding Server to forward DNS resolution requests for only specific zones. I am using the following config. acl "trusted" { localhost; 10.x.x.x/24; }; options ...
1
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1answer
54 views

Bind, common zone on views possibilities

Hi I've created 3 bind server for public resolution (authoritative). i got 3 view : World (with an Any acl) East-Asia (with a GeoIP acl) Internal (for internal IP) i would like to share some ...
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0answers
24 views

What happens when a server in a load balancing DNS delegation comes back online after downtime?

I've recently read about using a DNS delegation for load balancing purposes. The original wikipedia article is here; https://en.m.wikipedia.org/wiki/Load_balancing_%28computing%29?wprov=sfla1 Within ...
2
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1answer
27 views

Checking the validity of Resource Records in DNS Zones

I am using perl to do some DNS manipulation tasks. I am using NSD as my DNS server. I want to figure out what the best way is to check whether the names of all Resource Records in a DNS zone file ...
1
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0answers
45 views

Unbound config to forward unknow local subdomain name

I am currently on a local aera network where no loop-back is allowed meaning that I cannot reach my public IP address from the local network. Several services need to be migrated in my local area ...
11
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2answers
944 views

Why send authoritative nameserver in DNS?

Out of curiosity, I'm checking the Wireshark DNS packets. I can see that there's a DNS query from the host, and then DNS response from the DNS server. Everything is just as expected. However, if you ...
0
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1answer
27 views

Resolve specific Domain query using View in BIND9 (Forward)

I am trying to setup a whitelisted domain forwarder in my bind9 but it wasn't successfully accomplish maybe due to the configuration that I applied. A couple months ago, I did setup the same ...
0
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0answers
36 views

CLOUDFLARE - Point A record to another IP keeping mail on server?

I have a website hosted on a server with a few subdomains and mail server on same server. I would like to have the room domain point to another server i have but only the root the domain. All the ...
4
votes
1answer
150 views

PTR not showing in dig request

I am trying to set up a PTR for reverse DNS so that mail that gets sent from me scripts doesn't get blocked due to reverse DNS failure. I beleive my zone is set up correctly, however me "thinking" it'...
0
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1answer
29 views

Can I have multiple mx records for a domain [duplicate]

I have a domain and I want that if one mx record fails then 2nd mx should takeover for sending and receiving mails.
0
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1answer
38 views

BIND9 - How to change ZONE-Info on secondary NS if primary is down?

I have a primary (master) and a secondary (slave) BIND9 DNS on DEBIAN9. See full config here: old Post root@server1:/etc/bind# named -v BIND 9.10.3-P4-Debian <id:ebd72b3> On my secondary NS (...
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1answer
41 views

DKIM public key & DKIM from DNS are the same but don't match because of spacing

Please take a look at this picture of mail-tester.com saying that Your DKIM signature is not valid. As you can see, the DKIM signature and public key are identical in term of text (characters) but ...
1
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2answers
58 views

External DNS to manage Domain // Ways to test the own external DNS server

i have several domains at Strato. I want set up my own external DNS to manage my domains. To do this at Strato I used the option "Domainverwaltung: NS-Records ändern". I had to provide 2 Nameservers ...
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0answers
21 views

Why does my Bind RPZ config work for one host, but not the other (SERVFAIL)

I have some hosts in a DMZ which need to use LDAP resources on the LAN. We don't forward DNS into the LAN, so instead of adding entries in individual /etc/hosts, I decided to try a Bind RPZ zone to ...
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1answer
56 views

NS or SOA causing issues intermittently?

My site always seems to be loading fine for me but I started receiving reports of some people not being able to connect to the site. It seems to be a DNS issue, but I can't isolate the problem. Some ...
0
votes
1answer
44 views

subdomain causing lame server

i'm playing around with a DNS on localhost and i'm trying to add a subdomain but syslog reports it as a lame server. i've defined my subdomain in my .db file while as follows domain. IN SOA ns1....
5
votes
1answer
115 views

Large AXFR through dnsmasq causes dig to hang with partial results

I'm attempting to set up dnsmasq as a local cache for consul. While this seems to work fine for normal digs, dnsmasq seems to only allow partial zone transfers. My resolv.conf: search x.domain.com y....
1
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1answer
126 views

Error: SPF record must be in the correct format

I need some help with set up the SPF record. When I created the SPF record just like this: v=spf1 a mx include:_spf.google.com include:getresponse.com ~all When I run this for a test: https://...
7
votes
4answers
956 views

Moving many sites to new server - whats the quickest way to update their DNS records?

I'm planning on migrating a large-ish amount of websites (approx 100) to a new server and I'm in the migration planning process. A typical DNS zone for each website has two A records pointing to the ...
0
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1answer
69 views

Is it Okay for an MX Record to Differ from Incoming/Outgoing Mail Server Address?

I'm sure this is a beginner question, but I could use some help. I run a VPS and am familiarizing myself with DNS settings and my mailing set up. I began when one email address consistently ended up ...
1
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1answer
63 views

Different dns on sites of the same windows domain

We have a windows 2012 domain with 2 different sites connected via vpn. Site 1 has a dc with dns, Site 2 has two dc with dns Most dns zones are integrated into AD, so a change is reflected on all 3 ...
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2answers
110 views

not allowed to send mail from my own account?! DNS lookup / SPF

I give training and therefor i have a gmail account (linked to my weebly website www.serenewarrior.nl) Sometimes I get a Delivery Status notification (below) saying I am not allowed to sent mail and ...
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0answers
57 views

DNS-RPZ use for nonexistent addresses

I'm trying to find a scheme where I can use a generic UI app to automatically access some local IoT devices I'm making, no matter the domain in which they are installed. Yes, I know IoT is just an ...
1
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1answer
20 views

Error when running bind9 resolution file

I seem to be having trouble resolving my web domain with bind9, I'll use the domain name example.com, I can connect to any other website that's not configured in my bind9 zone file, i know this should ...
0
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0answers
25 views

Split horizon with automatic forwarding

any a idea how i can setup an Split Horizon Bind DNS with automatic forwarding to the external View? my current setup is this: /etc/named.conf file include "/etc/myrndc.key"; controls { ...
0
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0answers
51 views

BIND9 DNS Subdomain

I've searched around and thought I had my bind9 DNS zone file set up correctly, but apparently I have an error that eludes me. Can anybody point out where I've gone wrong in this zone file? It ...
0
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3answers
72 views

Secondary Nameserver DNSSEC

I have this hidden master DNS nameserver notifying and updating the two public slave DNS servers: my own VPS running Debian/Bind9 DNS 3rd-party secondary nameserver provider (afraid.org) I finally ...
0
votes
3answers
38 views

IP to domain DNS error

I have bought the domain name example.eu and have set it up from my domain registrar to use ns1.example.eu and ns2.example.eu with the server's IP 12.34.567.890. However it is not working. According ...
0
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0answers
64 views

Having trouble with NS record resolution in PowerDNS

So currently, I have PowerDNS setup with a MySQL backend, and the Recursor server in the backend to pass DNS requests that aren't in the PowerDNS zones to another DNS server. I'm having issues with ...
0
votes
1answer
62 views

MX record format without mail.domain.com

Let us say I have a domain example.com that points to IP 192.0.2.4, hence in the DNS I would see: example.com A 192.0.2.4 www.example.com CNAME example.com Now, most MX records appear to be set ...
0
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2answers
54 views

Bind9 Zone File for Single Machine?

Setup is two Active Directory servers with DNS replication across two sites. For 'legacy' purposes, I need to redirect queries for the previously lone file server to each site's respective copy. Eg, '...
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vote
2answers
53 views

Setup DKIM record without server signing

I'm using on one of my domains as hosting provider 101domain. I know that they don't have a good reputation, but since I have two sites to manage and one of them has multiple ccTLDS domains I wanted ...
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votes
2answers
41 views

Will a resolver know about our second nameserver if we don't have two NS entries?

We had one of our nameservers go down yesterday and everyone in the office was scratching their heads wondering why our other DNS didn't pick up the load in a timely manner (if at all). The two ...
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votes
1answer
128 views

Pointing sub-domain on Google domains to Wordpress running on Digital Ocean?

I want a sub-domain on my google domains to point to blog.mydomain.example. Currently, it points to DNS at the root domain to Github pages. I want that to remain the same, but the blog subdomain to ...
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0answers
39 views

Strange double answer cname in dig

I want to host a web site with github.io, using www.nv-gr.fr I have put an A on @ and another on www My zone is : @ 10800 IN SOA ns1.gandi.net. hostmaster.gandi.net. 1531775542 10800 3600 604800 ...
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1answer
76 views

DNS/Name server: Configure Bind as an Authoritative-Only DNS Server

I'm new to the DNS world. I followed this tutorial to config an Authoritative-Only DNS Server. However, the tutorial is only about one domain name and I'm confused on how to add the second domain name....
0
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0answers
113 views

DKIM Errors with gmail - dkim=neutral (no key) and other issues

I'm trying to upgrade my PHP DKIM from Sha1 to Sha256 and getting errors. I tried many things (as follows), basically gmail fails to authenticate my signature with all sorts of errors (as follows). My ...
0
votes
1answer
106 views

Some DNS servers in the world giving wrong IP address for my domain

My domain is resolving incorrectly to the IP 91.195.240.117 instead of 216.194.170.145 this only happens in my network. I've already deleted the cache and flushed the DNS but it doesn't seem to have ...
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votes
1answer
24 views

Migrating server with separate registrar - update dns in registar or hosting/cpanel account?

I am moving a website to a new server, the domain is registered with a separate registrar Another guy owns the registrar account and has added the new nameservers for me, I have updated DNS settings ...