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Questions tagged [reverse-dns]

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.

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How do I setup a reverse DNS entry in Plesk 9.2.2 frontent?

I need to get a reverse DNS entry into my zones file for one of my domains hosted under Plesk 9.2.2. Does anybody have ANY idea how this done? If all else fails I will have to update the zones file myself, but I am not sure how that will affect the…
Johan
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Get Related URLs using DNS

I am working on a PHP program that needs to determine related url's sharing an IP address. For example, I have the hostname, say, www.example.com and I want to determine what other urls share that IP. I'm not sure whether or not to use…
mlewis54
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PHP email header for reverse DNS

Context: I've recently had my host set up reverse DNS (and PTR) to prevent my PHP generated emails from being interpreted as spam. My questions: Is there a specific PHP mail header that I should be using for the reverse DNS to take effect? Is…
Dominor Novus
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how can set reverse zone in free dns providers as in bind9 etc.?

because of some complicated issue, I decide use freedns.centos-webpanel.com to manage my dns. as I know and used bind9, you can create in-addr.arpa files to handle reverse zone and avoid spam for mail server. but in freedns of cwp there is no item…
Hamid Shariati
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How to identify a small Company's Public IP

I want to identify the Public IP address of a local company. More specific, i need the IP address where the offices are located. Because it's a small company, i assume they only have 1 public IP. The only thing i had, was the domain name. But i…
snorkel
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domain and rDNS data not matching

When I search something on google.com, I see interaction with the following IP address: 172.217.7.132 But when I attempt to reverse lookup the ip address, I get iad30s08-in-f132.1e100.net. and iad30s08-in-f4.1e100.net., not google.com. What do I…
Lelouch Lamperouge
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macOS terminal run Reverse DNS on LAN devices to get hostnames

I made some research and can't find a solution, I'm starting to think this is not possible. I'm running arp -a in my terminal and I'd like to get the hostnames of the LAN devices. host x.x.x.x returns: Host x.x.x.x.in-addr.arpa. not found:…
Marie Dm
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How to get a reverse DNS?

all my mails to GMX and WEB come back with the response of spam potential. I'm searching in google and I found, that I need a reverse DNS. My DNS configuration: $TTL 86400 @ IN SOA ns1.first-ns.de. postmaster.robot.first-ns.de. ( 2016110200 …
SilverBlue
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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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How to cache "SERVFAIL" with bind?

I've searched on google in the last hour and couldn't find anything relevant to my issue, I have bind installed and running flawlessly which I'm using for multiple domains and local reverse lookups, still ... some remote nameservers are offline and…
user3405598
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Dynamic dns update

We have created 3 DNS servers in our local machine with primary server(10.42.0.80) , secondary(10.42.0.70) and cache(10.42.0.83). We are able to ping it perfectly but while doing Dynamic Dns update we are getting connection refused in header. We…
sachin khera
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What is difference from Reverse DNS Lookup - Reverse IP Lookup

When using websites that retrieve all| domain names associated to an IP address, What is the difference between Reverse DNS Lookup and Reverse IP Lookup? These two procedures show different outputs. The reverse dns lookup is based from PTR records…
Stackuser
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How should a PTR DNS record look like when using default Azure server for reverse DNS?

I'm trying to add a PTR record (reverse DNS) in Azure, but I'm not sure what should be the value in the PTR DNS record, My azure settings are: DNS NAME people-dns.cloudapp.net HOST NAME people-dns PUBLIC VIRTUAL IP (VIP) ADDRESS…
Yovav
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Reverse lookup not showing all

In CYGWIN when using dig www.serveralias.com +short I receive the following answer: www.servername.com 10.10.10.10 So far, so good. Now I am running dig 10.10.10.10 +short and receive nothing. When running dig 10.10.10.10 without +short I only…
Joey
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Bind reverse DNS server configuration issue

I have a reverse DNS server setup with Bind. This is what my zone file looks like, [root@PCPDNS01 named]# cat 127.195.203.arpa @ IN SOA ns1.premier.com.au. root.bpoint.com.au. ( 20140530 ;serial …
Achintha Gunasekara
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