Part of the the Domain Name System (DNS), a hierarchical naming system for discovering IP Addresses in relation to domain names. The Reverse DNS system takes an IP address and returns its configured domain name.
Questions tagged [reverse-dns]
159 questions
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Fetching TLD from ptr record?
Possible Duplicate:
Extraction of TLD from urls and sorting domains and subdomains for each TLD file
For example: fetching yahoo.com from the PTR record
45.36.190.206.in-addr.arpa domain name pointer ir1.fp.vip.gq1.yahoo.com.
I am using…
ks_1010
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Client host rejected: cannot find your reverse hostname
Can send but not receive from a Gmail. Postfix is on 3.6.2, OS is Ubuntu 18.04.
I am trying to get chroot setup on my Postfix server. I have used the LINUX2 script from examples\chroot-setup. This article mentions my exact problem, but the…
Tyler Montney
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2 answers
.in-addr.arpa. not found: 3(NXDOMAIN)
I have been struggling with this for about 3 days now. I will continue to work on it as I wait for anyone to help but I'm having the following problem. I will use examples in this post to mask the domains and IPs somewhat. This is not to make more…
Gareth Bredenkamp
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1 answer
Dns reversezone not working
dig PTR 192.168.1.41 is not working for me
But I am getting the answer for the forward zone I checked the configuration files .there are no errors.
Devan T
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how to Identify Authoritative name servers from a list of IP addresses
say i have a list of IP addresses,what's the best way to identify if these servers are the authoritative name servers?i'm currently using python
Elliot
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2 answers
Redirect domain dns to different server by country ip
I have one domian with this name "example.com"
but i want any time user come to my domain redirect to different server by user country ip
user ip = 192.168.1.1 : USA Go To "example.com" with ip => 127.0.0.1 in USA
user ip = 192.168.1.2 : Canada Go…
shahin ataei
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Nameserver Change Not Working
HELP!
I'm new to the whole VPS world! I changed from a shared server to a VPS! I think I set up my server properly! Along with migrating previous content! However, I'm not sure I created my Hostname and Nameserver right. This is because, I…
DevLexicon
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Sendmail and reverse ipv6
I have a big problem with sending e-mails to gmail.
( echo Subject: test ; echo ; echo test ) | /usr/sbin/sendmail -Am -i -t -v user@gmail.com
Gives me error:
[2001:41d0:602:890::] The IP address sending this message does not have a PTR record…
MasTasZ
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How to add (Reverse) DNS entries in Cisco IOS?
I've got a customer where the router needs to be replaced with a Cisco router.
The current router is a linux machine with webmin installed on it.
There's a BIND DNS server with multiple zones.
There's a zone called companyname.be with entries…
RobbeM
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