Please help me with rDNS - GoFuckYourself.com

EN1GMA · 06-25-2013, 12:11 PM

Hi guys,

Maybe someone can help me with a little issue that I have.

I have a server on OVH and in same server I have about 20 websites that uses same IP.

Now I want to launch a new website but with a different IP, so I buy with OVH an IP FailOver to use in that website.
Everything is working great, the new website already have the new IP.

But after I use some sites to see if my new IP is blacklisted anywhere, I found the same error in many sitesl, saying:

Quote:

IP.v4BL.org v4BL.org (D. D. N. S. B. L.)

Quote:

94-23-78-68.ovh.net looks like dynamic IP address or PTR record looks like generic.

Quote:

D.D.N.S.B.L (v4bl.org)

Etc...

I have contacted platinumservermanagement.com that made the management of my server and they said:

Quote:

D.D.N.S.B.L is the ISP filters to avoid spamming on the server. Currently your IP address 94.23.78.68 do not have any reverse DNS i.e. rDNS set that is the reason it is blocked.
I recommend you to set the rDNS for the IP address 94.23.78.68 to point to thebestpaysites.com. You can contact your server provider to set this for you.
Once it is set you can contact D.D.N.S.B.L and request them to remove your IP address from their blacklist.

I have contacted OVH and Im still waiting for an answer.

Meanwhile I have contacted the namecheap.com where the domain is, but they also said that must be with the host provider too.

I also find a strange thing, in my domain name server setup, I have this:
http://i.imgur.com/IwoEiWo.png

Currently is using "Use Namecheap Hosting DNS Servers" option. I think that is not good. But my website is working fine..

I was checking the options inside the OVH account panel and find this:
http://i.imgur.com/TtM2Xt0.png
Should I change anything here?

Also find this tutorial:
http://help.ovh.com/IpFailover

I know that the message is a little confuse, but can someone please help me fixing this issue?

Thanks,
Tim

Babaganoosh · 06-25-2013, 01:35 PM

Just set the reverse to the same as the server hostname (assuming you're not still using the default hostname).

e.g. set server.yourdomain.com as the hostname and then set the reverse on the primary IP on the server to server.yourdomain.com. That'll be enough to satisfy every dnsbl and mail server requiring rdns.

EN1GMA · 06-25-2013, 02:09 PM

Hi buddy, thank you for your reply and for trying to help me.

But how can I do that? Im a very very newbie on this hehe

Should i contact OVH or the platinumservermanagement guys?

I know that I already have a server.domain.com
But can I have a second in the same server like server.domain2.com?

Can you give me the exact steps or is too much to ask it?

Babaganoosh · 06-25-2013, 03:35 PM

To change the hostname on your server, just follow http://www.rackspace.com/knowledge_c...ostname-change

Are you using a control panel like cpanel or plesk? Both of those have provisions built in for changing the hostname.

The reverse dns will need to be set with your host. It looks like your hosts account portal has the ability to set the rdns for your IP. This is where you would do that: http://i.imgur.com/TtM2Xt0.png

According to the blacklist entry, your hostname is set as 94-23-78-68.ovh.net. Just set it to a fully qualified domain name, then set the reverse DNS for that IP to match the hostname. There's no need to pay a server admin for this at all.

EN1GMA · 06-25-2013, 03:39 PM

Thank you for your explanation my friend.

I already have a hostname set in my server.
Can I create a second one and work with the two together!?

Babaganoosh · 06-25-2013, 03:58 PM

As far as I know, there is no way to set more than one hostname. Regardless, there is no reason to do that.

EN1GMA · 06-25-2013, 04:07 PM

Than what alternatives do I have?
I have two IPs, but only want to use one of them in one website.
I did that and is working fine, but I have the issue that I said above.

Do I need to buy a new host for this single website to have a different IP?

cs_student · 06-25-2013, 05:15 PM

Hey, the reverse ip is really going to affect your mail. You can find more info on rdns at wikipedia. When you go to your domain it resolves to an ip. rdns is just a means of matching the ip to a domain.

Code:

~ >#check the ip associated with thebestpaysites.com
~ > dig thebestpaysites.com +short
94.23.78.68
~># Now check the domain that is associated with that ip!
~>dig -x 94.23.78.68 +short
94-23-78-68.ovh.net.

You should be able to do this through ovh. Simply look for the rdns or 'reverse ip' manager. Find the corresponding ip, and set its rdns record to be thebestpaysites.com

You can also most certainly have multiple websites on the same server. You will simply need to configure the apache virtualhosts (or nginx, tomcat, etc. ) to route the corresponding domains to the correct document root.

Babaganoosh · 06-25-2013, 05:56 PM

The hostname and reverse dns have nothing to do with how apache handles vhosts. You can run any number of sites you'd like on one or more IPs. As I said above, set the hostname for the server and then set the rdns to match and you're done. No need to over-complicate this.

cs_student · 06-25-2013, 06:00 PM

Yes, babaganooshexplained it much simpler. I thought you were referring to having multiple websites on the same server. I misread your post.

EN1GMA · 06-26-2013, 02:56 AM

Thank you for your replies buddies.

In fact, I have multiple websites on the same server using the same IP. But I like to use a different IP in this new website.

I did what cs_student said and seems to work, but I'm not 100% sure because I need to wait 24 hours for propagation I think.

Using this option:
http://i.imgur.com/LhclOFr.png
And write this:
http://i.imgur.com/bsBCXee.png

Hope this helps...

06-25-2013, 01:35 PM	#2
Babaganoosh ♥♥♥ Likes Hugs ♥♥♥ Industry Role: Join Date: Nov 2001 Location: /home Posts: 15,841	Just set the reverse to the same as the server hostname (assuming you're not still using the default hostname). e.g. set server.yourdomain.com as the hostname and then set the reverse on the primary IP on the server to server.yourdomain.com. That'll be enough to satisfy every dnsbl and mail server requiring rdns. __________________ I like pie.

06-25-2013, 03:35 PM	#4
Babaganoosh ♥♥♥ Likes Hugs ♥♥♥ Industry Role: Join Date: Nov 2001 Location: /home Posts: 15,841	To change the hostname on your server, just follow http://www.rackspace.com/knowledge_c...ostname-change Are you using a control panel like cpanel or plesk? Both of those have provisions built in for changing the hostname. The reverse dns will need to be set with your host. It looks like your hosts account portal has the ability to set the rdns for your IP. This is where you would do that: http://i.imgur.com/TtM2Xt0.png According to the blacklist entry, your hostname is set as 94-23-78-68.ovh.net. Just set it to a fully qualified domain name, then set the reverse DNS for that IP to match the hostname. There's no need to pay a server admin for this at all. __________________ I like pie.

06-25-2013, 03:58 PM	#6
Babaganoosh ♥♥♥ Likes Hugs ♥♥♥ Industry Role: Join Date: Nov 2001 Location: /home Posts: 15,841	As far as I know, there is no way to set more than one hostname. Regardless, there is no reason to do that. __________________ I like pie.

06-25-2013, 05:15 PM	#8
cs_student Registered User Industry Role: Join Date: Jun 2013 Posts: 3	Hey, the reverse ip is really going to affect your mail. You can find more info on rdns at wikipedia. When you go to your domain it resolves to an ip. rdns is just a means of matching the ip to a domain. Code: ~ >#check the ip associated with thebestpaysites.com ~ > dig thebestpaysites.com +short 94.23.78.68 ~># Now check the domain that is associated with that ip! ~>dig -x 94.23.78.68 +short 94-23-78-68.ovh.net. You should be able to do this through ovh. Simply look for the rdns or 'reverse ip' manager. Find the corresponding ip, and set its rdns record to be thebestpaysites.com You can also most certainly have multiple websites on the same server. You will simply need to configure the apache virtualhosts (or nginx, tomcat, etc. ) to route the corresponding domains to the correct document root.

06-25-2013, 05:56 PM	#9
Babaganoosh ♥♥♥ Likes Hugs ♥♥♥ Industry Role: Join Date: Nov 2001 Location: /home Posts: 15,841	The hostname and reverse dns have nothing to do with how apache handles vhosts. You can run any number of sites you'd like on one or more IPs. As I said above, set the hostname for the server and then set the rdns to match and you're done. No need to over-complicate this. __________________ I like pie.

06-25-2013, 02:09 PM	#3
EN1GMA Confirmed User Industry Role: Join Date: Nov 2005 Posts: 1,251	Hi buddy, thank you for your reply and for trying to help me. But how can I do that? Im a very very newbie on this hehe Should i contact OVH or the platinumservermanagement guys? I know that I already have a server.domain.com But can I have a second in the same server like server.domain2.com? Can you give me the exact steps or is too much to ask it?

06-25-2013, 03:39 PM	#5
EN1GMA Confirmed User Industry Role: Join Date: Nov 2005 Posts: 1,251	Thank you for your explanation my friend. I already have a hostname set in my server. Can I create a second one and work with the two together!?

06-25-2013, 04:07 PM	#7
EN1GMA Confirmed User Industry Role: Join Date: Nov 2005 Posts: 1,251	Than what alternatives do I have? I have two IPs, but only want to use one of them in one website. I did that and is working fine, but I have the issue that I said above. Do I need to buy a new host for this single website to have a different IP?

06-25-2013, 06:00 PM	#10
cs_student Registered User Industry Role: Join Date: Jun 2013 Posts: 3	Yes, babaganooshexplained it much simpler. I thought you were referring to having multiple websites on the same server. I misread your post.

06-26-2013, 02:56 AM	#11
EN1GMA Confirmed User Industry Role: Join Date: Nov 2005 Posts: 1,251	Thank you for your replies buddies. In fact, I have multiple websites on the same server using the same IP. But I like to use a different IP in this new website. I did what cs_student said and seems to work, but I'm not 100% sure because I need to wait 24 hours for propagation I think. Using this option: http://i.imgur.com/LhclOFr.png And write this: http://i.imgur.com/bsBCXee.png Hope this helps...