Moz Q&A is closed.
After more than 13 years, and tens of thousands of questions, Moz Q&A closed on 12th December 2024. Whilst we’re not completely removing the content - many posts will still be possible to view - we have locked both new posts and new replies. More details here.
Preventing CNAME Site Duplications
-
Hello fellow mozzers!
Let me see if I can explain this properly.
First, our server admin is out of contact at the moment,
so we are having to take this project on somewhat blind. (forgive the ignorance of terms).We have a client that needs a cname record setup, as they need a sales.DOMAIN.com to go to a different
provider of data. They have a "store" platform that is hosted elsewhere and they require a cname to be
sent to a custom subdomain they set up on their end.My question is, how do we prevent the cname from being indexed along with the main domain? If we
process a redirect for the subdomain, then the site will not be able to go out and grab the other providers
info and display it. Currently, if you type in the sales.DOMAIN.com it shows the main site's homepage.
That cannot be allow to take place as we all know, having more than one domain with
exact same content = very bad for seo. I'd rather not rely on Google to figure it out.Should we just have the cname host (where its pointing at) add a robots rule and have it set to not index
the cname? The store does not need to be indexed, as the items are changed almost daily.Lastly, is an A record required for this type of situation in any way?
Forgive my ignorance of subdomains, cname records and related terms. Our server admin being
unavailable is not helping this project move along any. Any advice on the best way to handle
this would be very helpful! -
It is pointing to the other server now. We have it blocked from indexing on that end, just wanted to make sure that was enough.
-
No,
it is because you are pointing sales to a different sever, it seems to me that you don't have your dns set up correctly. you don't want sales pointing to your main website. -
So does this work better because Google will not show an IP address in search results?
-
You need to point your cname to the ip of the server that hosts your sales.domain.com
don't
Do
sales.domain.com > 123.123.123.123
where 123.123.123.123 is the ip of the hosting webserver.
-
Hello David,
I think with the robots rule (there are many examples out there) should be more than enough in your case! take a look at this helpful article: http://moz.com/community/q/block-an-entire-subdomain-with-robots-txt
I hope that was helpful! Sorry about my English... I'm Spanish
Luis
Got a burning SEO question?
Subscribe to Moz Pro to gain full access to Q&A, answer questions, and ask your own.
Browse Questions
Explore more categories
-
Moz Tools
Chat with the community about the Moz tools.
-
SEO Tactics
Discuss the SEO process with fellow marketers
-
Community
Discuss industry events, jobs, and news!
-
Digital Marketing
Chat about tactics outside of SEO
-
Research & Trends
Dive into research and trends in the search industry.
-
Support
Connect on product support and feature requests.
Related Questions
-
What is the best strategy to SEO Discontinued Products on Ecommerce Sites?
RebelsMarket.com is a marketplace for alternative fashion. We have hundreds of sellers who have listed thousands of products. Over 90% of the items do not generate any sales; and about 40% of the products have been on the website for over 3+ years. We want to cleanup the catalog and remove all the old listings that older than 2years that do not generate any sales. What is the best practice for removing thousands of listings an Ecommerce site? do we 404 these products and show similar items? Your help and thoughts is much appreciated.
White Hat / Black Hat SEO | | JimJ3 -
Why is this site ranked #1 in Google with such a low DA (is DA not important anymore?)
Hi Guys, Would you mind helping me with the below please? I would like to get your view on it and why Google ranks a really new domain name #1 with super low domain authority? Or is Domain Authority useless now in Google? It seems like from the last update that John Mueller said that they do not use Domain Authority so is Moz Domain Authority tool not to take seriously or am I missing something? There is a new rehab in Thailand called https://thebeachrehab.com/ (Domain authority 13)It's ranked #1 in Google.co.th for these phrases: drug rehab thailand but also for addiction rehab thailand. So when checking the backlink profile it got merely 21 backlinks from really low DA sites (and some of those are really spammy or not related). Now there are lots of sites in this industry here which have a lot higher domain authority and have been around for years. The beach rehab is maybe only like 6 months old. Here are three domains which have been around for many years and have much higher DA and also more relevant content. These are just 3 samples of many others... <cite class="iUh30">https://www.thecabinchiangmai.com (Domain Authority 52)</cite>https://www.hope-rehab-center-thailand.com/ (Domain Authority 40)https://www.dararehab.com (Domain Authority 32) These three sites got lots of high DA backlinks (DA 90++) from strong media links like time.com, theguardian.com, telegraph.co.uk etc. (especially thecabinchiangmai.com) but the other 2 got lots of solid backlinks from really high DA sites. So when looking at the content, thebeachrehab.com has less content as well. Can anyone have a look and let me know your thoughts why Google picks a brand new site, with DA 13 and little content in the top compared to competition? I do not see the logic in this? Cheers
White Hat / Black Hat SEO | | igniterman75
John0 -
Is this campaign of spammy links to non-existent pages damaging my site?
My site is built in Wordpress. Somebody has built spammy pharma links to hundreds of non-existent pages. I don't know whether this was inspired by malice or an attempt to inject spammy content. Many of the non-existent pages have the suffix .pptx. These now all return 403s. Example: https://www.101holidays.co.uk/tazalis-10mg.pptx A smaller number of spammy links point to regular non-existent URLs (not ending in .pptx). These are given 302s by Wordpress to my homepage. I've disavowed all domains linking to these URLs. I have not had a manual action or seen a dramatic fall in Google rankings or traffic. The campaign of spammy links appears to be historical and not ongoing. Questions: 1. Do you think these links could be damaging search performance? If so, what can be done? Disavowing each linking domain would be a huge task. 2. Is 403 the best response? Would 404 be better? 3. Any other thoughts or suggestions? Thank you for taking the time to read and consider this question. Mark
White Hat / Black Hat SEO | | MarkHodson0 -
Do I lose link juice if I have a https site and someone links to me using http instead?
We have recently launched a https site which is getting some organic links some of which are using https and some are using http. Am I losing link juice on the ones linked using http even though I am redirecting or does Google view them the same way? As most people still use http naturally will it look strange to google if I contact anyone who has given us a link and ask them to change to https?
White Hat / Black Hat SEO | | Lisa-Devins0 -
A site is using their competitors names in their Meta Keywords and Descriptions
I can't imagine this is a White Hat SEO technique, but they don't seem to be punished for it by Google - yet. How does Google treat the use of your competitors names in your meta keywords/descriptions? Is it a good idea?
White Hat / Black Hat SEO | | PeterConnor0 -
Rel author and duplicate content
I have a question if a page who a im the only author, my web will duplicate content with the blog posts and the author post as they are the same. ¿what is your suggestion in that case? thanks
White Hat / Black Hat SEO | | maestrosonrisas0 -
Site dropped suddenly. Is it due to htaccess?
I had a new site that was ranking on the first page for 5 keywords. My site was hacked recently and I went through a lot of trouble to restore it. Last night, I discovered that my site was nowhere to be found but when i searched site: mysite.com, it was still ranking which means it was not penalized. I discovered the issue to be a .htaccess and it have been resolved. My question is now that the .htaccess issue is resolved , will my site be restored back to the first page? Is there additional things that i should do? I have notified google by submitting my site
White Hat / Black Hat SEO | | semoney0 -
Merging four sites into one... Best way to combine content?
First of all, thank you in advance for taking the time to look at this. The law firm I work for once took a "more is better" approach and had multiple websites, with keyword rich domains. We are a family law firm, but we have a specific site for "Arizona Child Custody" as one example. We have four sites. All four of our sites rank well, although I don't know why. Only one site is in my control, the other three are managed by FindLaw. I have no idea why the FindLaw sites do well, other than being in the FindLaw directory. They have terrible spammy page titles, and using Copyscape, I realize that most of the content that FindLaw provides for it's attorneys are "spun articles." So I have a major task and I don't know how to begin. First of all, since all four sites rank well for all of the desired phrases-- will combining all of that power into one site rocket us to stardom? The sites all rank very well now, even though they are all technically terrible. Literally. I would hope that if I redirect the child custody site (as one example) to the child custody overview page on the final merged site, we would still maintain our current SERP for "arizona child custody lawyer." I have strongly encouraged my boss to merge our sites for many reasons. One of those being that it's playing havoc with our local places. On the other hand, if I take down the child custody site, redirect it, and we lose that ranking, I might be out of a job. Finally, that brings me down to my last question. As I mentioned, the child custody site is "done" very poorly. Should I actually keep the spun content and redirect each and every page to a duplicate on our "final" domain, or should I redirect each page to a better article? This is the part that I fear the most. I am considering subdomains. Like, redirecting the child custody site to childcustody.ourdomain.com-- I know, for a fact, that will work flawlessly. I've done that many times for other clients that have multiple domains. However, we have seven areas of practice and we don't have 7 nice sites. So child custody would be the only legal practice area that has it's own subdomain. Also, I wouldn't really be doing anything then, would I? We all know 301 redirects work. What I want is to harness all of this individual power to one mega-site. Between the four sites, I have 800 pages of content. I need to formulate a plan of action now, and then begin acting on it. I don't want to make the decision alone. Anybody care to chime in? Thank you in advance for your help. I really appreciate the time it took you to read this.
White Hat / Black Hat SEO | | SDSLaw0