Stack Overflow
Stack Overflow

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.

159 questions
1
vote
1 answer

Reverse DNS and SMTP

I'm in the middle of implementing Forward Confirmed Reverse DNS for my SMTP server. After reading around a bit, I found that it is best to do the lookup on the IP found at the other end of the SMTP connection (not in the mail header, because that IP…
Ben
  • 7,692
  • 15
  • 49
  • 64
1
vote
0 answers

Bulk reverse Lookup

I am trying to do a reverse lookup for all the internal IP addresses, to validate the inventory that I have. I am looking to do this via Python. I am thinking of generating a csv file with all the internal IP addresses using the following…
Steve_Greenwood
  • 546
  • 8
  • 20
1
vote
0 answers

Docker Reverse Proxy Ingress on Swarm

We operate a docker cluster with several workers and a manager. Our current problem: We have the Jwilery Nginx proxy running on all nodes which does not cause any problems. What causes us problems is, if we operate a service e.g. grav. This is only…
Dream
  • 11
  • 4
1
vote
1 answer

How to restrict our domain so that no one can do CNAME of our domain?

I want to restrict my domain so that no one can do CNAME of my domain. Suppose, I have my domain(example.com) and someone has another domain(xyz.com). There is a game application running on example.com. Nothing is running on xyz.com. Someone has…
Jithin Justice
  • 231
  • 1
  • 5
  • 15
1
vote
0 answers

I need to configure my webserver that can be used like shopiy.com

I need to configure my webserver that can be used like shopiy.com. I will create sub domains dynamically with php while creating user accounts. The users should be able to point the account with their own domain name. I am using AWS for my hosting…
Ajith Kumar A R
  • 11
  • 1
1
vote
1 answer

Python running DNS lookups on a list of IP addresses from .txt file

I am having a hard time figuring out how to get python to do a DNS lookup for every IP address in my text file. I am getting a TypeError: getaddrinfo() argument 1 must be string or None. Can anyone lend a hand with this? import socket ip_list =…
Yepram Yeransian
  • 321
  • 1
  • 14
1
vote
1 answer

How to create reverse dns lookup zone for Premium HDInsight?

I have created a DNS zone in the azure. For example, for the IP range 192.0.2.128/26,I have created 128-26.2.0.192.in-addr.arpa. Now how should I create PTR records for Hdinsight vm's to be created ?
Vineesha.C
  • 333
  • 3
  • 13
1
vote
0 answers

Java: Hostname lookup not working with InetAddress & org.xbill.DNS

I have been trying to write code in Java to do a DNS reverse lookup (look up hostname from given IP). I have tried the following ways to do it. InetAddress addr1 = InetAddress.getByName("11.121.5.67"); String host = addr1.getHostName(); byte[]…
Deepak Selvakumar
  • 643
  • 7
  • 24
1
vote
1 answer

Set up authoritative DNS server

I am trying to set up a hosting company. The hosting company is going to have a client with the domain widgets.de The name of my company is hostingcompany.de. The name servers I am setting up are called ns1.hostingcompany.de and…
zkilnbqi
  • 1,141
  • 11
  • 23
1
vote
1 answer

Hosting DNS to allow reverse lookup

I've only recently begun scratching the surface of hosting my own DNS, but I'm looking to do so in the hopes that I can facilitate my own reverse lookups. My idea being that if I can manage my own DNS, I can give it tables I've complied about IP /…
Louis Gillette
  • 19
  • 2
1
vote
1 answer

InetAddress IPv4 reverse dns lookup

I've come at this problem every way I could think of, but no luck. I need to perform a reverse DNS lookup using an IPv4 address with the InetAddress class in java. I know there are better libraries for this but I have to use InetAddress because it…
BobFromBilling
  • 85
  • 1
  • 9
1
vote
0 answers

Not able to connect kafka set up in different data center of azure

We have 2 data centers- --tpmg.cloudapp.net(23.97.52.45) --gns3.cloudapp.net(40.83.12.34) tmpg has 2 kafka servers kafka1 (172.16.31.142:51134) kafka (172.16.31.143:51135) kafka server with port 9093 is binded with public azure port 51137 and 2181…
Nilotpal
  • 3,237
  • 4
  • 34
  • 56
1
vote
0 answers

Transfer DNS Settings from Godaddy to Arvixe

We have our on Godaddy and website (developed on php) and emails are running. We developed new website with asp.net, umbraco, sql 2012 which we want to host on arvixe but with same domain name. I am actaully not an IT Admin so I am not sure about…
Raja
  • 131
  • 2
  • 16
1
vote
1 answer

Azure PowerShell Set-AzureService/Get-AzureService -error: the hosted service does not exist

I've just installed the latest Azure PowerShell 1.1 and I am following this blog entry to add reverse DNS to an existing Linux VM that I am running: https://azure.microsoft.com/en-us/blog/announcing-reverse-dns-for-azure-cloud-services/ When I try…
jon_s_lim
  • 503
  • 1
  • 4
  • 5
1
vote
1 answer

SSH Port Forwarding Error

I am using SSH Port Forwarding command, ssh -L 12776:localhost:12776 root@suvhost.com debug1: identity file /root/.ssh/id_dsa type -1 debug1: identity file /root/.ssh/id_dsa-cert type -1 debug1: Remote protocol version 2.0, remote…
user3003848
  • 69
  • 1
  • 5
1 2 3
…
10 11