dns

Alternate host/IP for python script

I want my Python script to access a URL through an IP specified in the script instead of through the default DNS for the domain. Basically I want the equivalent of adding an entry to my /etc/hosts file, but I want the change to apply only to my script instead of globally on the whole server. Any ideas? ...

SMTP server requirements

Could someone help answer a few questions regarding the networking / DNS requirements for an SMTP server? Assume the server is setup already. Is a MX record required for SMTP? TCP port 25 open to the server? Any other DNS records? ...

How to disable Java's SSL Reverse DNS Lookup

Hi, I have a server in development and a few developers connecting to it. This server uses Java's TLS implementation with SSLEngine. We saw that, at first, every new connection would have a long delay (30-40 seconds). We narrowed it down to reverse DNS lookups timing out. We solved that by putting all our IPs in the HOSTS file. Now, t...

where do domain names come from?

Hi I want to develop my own hosting site but i do not know how should i get hosting names ?? How these hosting companies get these domain names ???? ...

How to lookup each and every domain that ends with .JOBS TLD?

Hello Friends, I want to find domains from the internet that ends with .JOBS. Should I use Brute Force? If yes so how? Or some other database is available already to query from? I need your help friends. Umair ...

My domain is returning a 500 error, where can I find an error log, or how can I resolve the problem?

Hi, I'm currently getting a 500 error (apparently) on ballpointhosting.com, even though I'm sure I've configured it correctly. Where can I find my error log on Linux? Willing to provide more details if you need... ...

git: basic question, how to punch through firewalls, NAT boxes, etc

Sorry, if this is a FAQ, but I can't find the answer. I'm intrigued by git. I've used nearly all of the usual players over the past decades. Currently on SVN and not really happy. I think I understand the basics, but I don't understand one key concept: how does a user in his/her house talk to/from my computer (separate houses, ISP, etc....

Multiple dns lookups

I just ran a load time analysis for a website. The results can be seen here: http://gtmetrix.com/reports/www.parship.co.uk/VfLleffe When you check the timeline you will see that some images have a dns lookup time and some do not. Even when the images are on the same subdomain some require a dns lookup and some do not. Is this totally ...

configure linux box to have a static ip

hi, I need to make a machine on my home network use a static ip address. It's a linux box. My question is can I make just my linux box use a static ip address where the rest of my network (which is comprised of all windows machines linked up to a router) uses dynampic ip's? It not so much the info on configuring the linux box to use a...

How to allow customer subdomain sites to use their own domain

I have a rails app where customers sign up and get a custom subdomain site/url like this: customer1.myapp.com customer2.myapp.com customer3.myapp.com What are the steps I need to take to allow a customer to use their own registered domain name such that their domain points to my app? So, in the example above, if "customer1" owns "cu...

How do I reach my local development server (127.0.0.1) with a domain name (e.g. www.mydomain.example)

Hi, web newbie here, I need to do some testing so I need to reach my development server (127.0.0.1 on Mac OS X) with a 'real' domian name (e.g. www.mydomain.example). any ideas? ...

DNS Problem. www.mysite not working, but mysite.com does?

Hi, I have an issue. When I got to www.mysite.com I get a "problem loading page error". When I type in mysite.com it works fine. Any idea how to correct this? Thanks ...

Wildcard CNAME records along with normal CNAME records

Consider the following setup: a.domain.com A IP_A b.domain.com A IP_B *.domain.com CNAME a.domain.com Another.domain.com CNAME b.domain.com With this setup, any WHATEVERRRR.domain will resolve to a.domain.com Another.domain.com will also resolve to a.domain.com [ THIS IS THE PROBLEM ] Is there a wa...

SPF record for a shared web-hosted domain

From the definition of SPF, SPF only authorizes IP address. For one of our domain name, we have created an SPF record to allow only A and MX IPs as genuine sender. This domain is hosted in a shared-hosting environment along with many other customers. In such setup, owners of other domains on same host can spoof my emails easily. Is the...

Asp.net mvc app on a shared host move to Windows Azure during peak load possible?

I have an ASP.NET MVC web application that is hosted on a shared hosting account. The site has no issues during regular usage. However the nature of the business is such that for one week out of the month we have very very high traffic. During these high traffic peak load times, my application has several "Service Unavailable". One of ...

Access data from one system to antother system

Hi, i'm accessing a file from one system to another system using IP address bcoz those systems are in local network. I used this way "http://192.168.0.155:8080/files/index.jsp".but i want access the following way "http://nets:8080/files" like this way. how to possible to access the data this way? ...

problem disabling mod_authz_host to avoid dns lookups

hello, i'm using Debian 4.3.2-1 and Apache 2 in my production server. Watching the logs I noticed apache is resolving client's hostnames with 'HostnameLookups Off' in apache2.conf. I want to avoid these lookups so i'm guessing apache is making this dns queries because i have mod_authz_host enabled. When i try to unlink this module i get...

How do I allow trailing dot in host headers in IIS

I am running an IIS 7.5 site that serves up content for http://www.foo.com/ I've been asked to properly route http://www.foo.com./ (note the trailing dot). If you hit that page now, you'll get an IIS error: Bad Request - Invalid Hostname HTTP Error 400. The request hostname is invalid. This happens even for http://www.micro...

My dns works when I do a "dig @mynameserver hostname" but not when I do a "dig hostname".

My nameserver isn't working properly, and I can't figure out why. When I do a 'whois cfconsulting.ca', it shows the correct nameservers, with ns1.signupsystems.com being the primary. If you do a "dig @ns1.signupsystems.com cfconsulting.ca" you get the right IP. But if you just do an 'nslookup cfconsulting.ca' it fails. I'm baffled. ...

TXT records in dnsPython

I have implemented a simple DNS server. It simply responds with a TXT record. I am hosting the script as the NS server for example.com. The NS server is x.y.z.k. It works fine when I issue something like: dig demo.example.com @x.y.z.k ; <<>> DiG 9.3.6-P1-RedHat-9.3.6-4.P1.el5_4.1 <<>> demo.example.com @x.y.z.k ;; global options: pr...