0
votes
2answers
30 views

How does Cloudflare know about my Subdomains?

I just signed up Cloudfare and they showed me a list of my subdomains by scanning my domain. How do they do this? What technology is used to scan all subdomains related to a root domain?
0
votes
0answers
35 views

Website Times Out In The UK

My site is unavailable intermittently. Unfortunately the server suffered a melt down and my host had to restore me to another server from an antiquated backup. They sorted out the DNS to point to the ...
1
vote
2answers
73 views

MX lookup failed

This is a part of my dns-zone file: ;; MX Records mx.domain.de. 300 IN MX 1 direct.domain.de. ;; CNAME Records www.domain.de. 300 IN CNAME domain.de. mail.domain.de. 300 IN CNAME ...
1
vote
2answers
106 views

Why do DNS services propagate so much faster? [closed]

Say I want to point my domain blah.example.com from a server located at IP addres 1.2.3.4, to a different server located at IP address 5.6.7.8. This requires a DNS change. Why is it that when I log ...
0
votes
1answer
167 views

How to point subdomain to another subdomain using afraid.org and CloudFlare

So I have one subdomain from afraid.org (let's call it sub.afraid.org) and one domain registered somewhere (sub.domain.com) using CloudFlare DNS with it. What I want to do is point sub.afraid.org to ...
1
vote
1answer
605 views

CloudFlare CDN and static site with root on Amazon S3

I've set up an S3 bucket to host my static site. Now I am trying to wrap CloudFlare around this, but I get the following warning when adding a CNAME entry for the root domain in CloudFlare's DNS ...
1
vote
1answer
743 views

Cloudflare, reverse DNS and php mail ending up in spam folder

I've been using Cloudflare to host my DNS, and PHPMailer to send e-mail through ZOHOs SMTP servers with great success, but have found that all my e-mails are hitting Gmail, Zoho and Hotmails spam ...
0
votes
1answer
113 views

SSH to a server with multiple reverse DNS entries [duplicate]

While SSHing into my server with an RSA key, I get this message: Address 255.100.236.105 1 maps to a1.example.com, but this does not map back to the address - POSSIBLE BREAK-IN ATTEMPT! Even ...
0
votes
1answer
194 views

Sendmail Modifies Recipient Address from DNS Lookup

CentOS 5.8 box (Unitrends Appliance) with stock Sendmail sendmail-8.13.8-8.1.el5_7. If we email to normal addresses from the box (we have two boxes both doing the same thing) everything is fine. If ...
0
votes
1answer
1k views

Resolving CloudFlare DNS related mail delivery problems

I recently started using CloudFlare and am having a few teething problems. Our domain is netlanguages.com and while we have a lot of sub-domains listen, we are currently only trialling a few of the ...
-5
votes
1answer
211 views

Protect dedicated server with cloudflare [closed]

I have an Ubuntu 10.04 based dedicated server with LAMP installed. I host several websites, but for now all websites are on same IP, configured using Apache Virtual Hosts. Everyone can attack my ...
2
votes
4answers
900 views

Statically mirroring a heavy trafficked site, CloudFlare as DNS

I run a fairly heavy trafficked website and due to some unfortunate incidents the machines that are in my cloud at Linode went down. And I have only a single Load Balancer machine exposed to the ...
-1
votes
3answers
405 views

Two DNS service providers

Is there a way to have two DNS service providers? I have DNS Made Easy account and Cloudflare but I want to use both. My domain registrar has nameservers pointing to DNS Made Easy How would this ...
1
vote
1answer
331 views

DNS subdomain catch-all linking to my external address

First of all, I'm not that into DNS, so maybe the answer to this question is very obvious, sorry in either way. What I want is this: A DNS record which catches all non-existing subdomains on my site ...
0
votes
1answer
222 views

DNS nameserver with cloudflare

I originally bought a domain from namecheap.com then I bought hosting at inmotionhosting, where I pointed the DNS from namecheap to inmotionhosting... now I signed up with cloudflare and pointed DNS ...
1
vote
1answer
2k views

Setting an SPF/DKIM record with CloudFlare

What is the correct way to setup an SPF record? Use TXT and add the following? v=spf1 a mx include:mydomain.tld ~all UPDATED: After using the following: v=spf1 a mx ~all I get this: ...
2
votes
2answers
1k views

CloudFlare offers DNS root CNAMEs. Any resolution gotchas to be aware of?

I'm not that familiar with the inner workings of DNS, preferring to just add my CNAMEs and A records as appropriate, and leave the behind the scenes to other services. I host a few sites on Amazon S3, ...
0
votes
2answers
311 views

Files will not update after setting up Cloudflare

I setup cloud flare for and tried it out, it messed up my entire site by caching pages and sending the same page over and over (I use ajax and call the page over and over). I took it off and switched ...
3
votes
2answers
1k views

How does CloudFlare protect a web site?

I am a little confused about the protection CloudFlare offers. I am directing the www subdomain through CloudFlare with an Orange Cloud, and another subdomain (let's say direct) with a Grey Cloud. But ...
0
votes
1answer
828 views

DNS takes forever - Using Pingdom

So I am using the new CloudFlare.. I have a GoDaddy shared hosting account, which i know isn't the fastest in the world, but DNS seems very slow. I have a Wordpress blog configured as the following: ...
0
votes
1answer
120 views

Usefulness of CloudFlare for clients of Argentina [closed]

We are currently hosting an important site in the US with a CloudFlare pro subscription. Since most of the people that visit the site are from Argentina, we are considering migrating the server to ...
0
votes
1answer
194 views

Free Web Forwarding without Nameservers

I have a site running Google App Engine and using CloudFlare (a free CDN proxy, using its own nameserver). This leaves me with no options for the root domain. App Engine does not support naked ...