Google Webmaster Tool - Site Errors - DNS Issue

[Gorgwatcher]

Recently we observed a strange thing in Google Webmaster Central Tool.

In Site Error tab, Google is showing DNS Issue for unreachable url

We haven't done anything related to DNS in previous weeks and its the least thing we can expect after huge traffic decline due to recent Google Madness.

Anyone else noticing these errors?

[tedster]

I watch webmaster tools for a good number of sites and I'm not running into this. It can't hurt to use one of the online DNS checkers just to see what gets reported by a third party. While we don't discuss specific tools here, I will say that I prefer the thoroughness I get from one of the paid services. However, many of the free services can certain spot a gross problem.

[airbag41]

yes I am seeing a ton of DNS issues reported on April 28th with no DNS problems for me that day I am aware of.

[dstiles]

This is probably the wrong way around, but over the past couple of weeks I've had long delays in resolving Arin DNS, particularly whois, both from my desktop (England) and through robtex (Ireland). In many cases I've had to go direct to the Arin site to resolve them at all. Not sure if this could be reverse-applied in this case.

[Gorgwatcher]

@ Tedster
The funny thing is this is like in our routine checklist to check such kind of issues daily.
Apparently there was no such error observed or indicated by us for the site but google is persistent about those dns issues :)

[venunath]

I am getting network unreachable in GWT. Is this effect SERP and Indexing the website.

Can you suggest me to solve this issue.

[g1smd]

I have "network unreachable" shown as an error in Google WebmasterTools for a number of sites in recent days.

This is the first time, ever (as far as I can remember), that I have had this error reported for any site.

There's plenty of visits and sales at a similar time. There's potentially a good explanation. The blockage was local to Google rather than local to the server.

[AnkitMaheshwari]

Our WMT had listed a lot of DNS/time-outs error last week.

[venunath]

We are getting "network unreachable" from last one month. How to solve this issue.

I have observed decreased in indexing pages, traffic, back links and i loose my sitelinks.

Can any one suggest me how to solve this issue.

[sklosed]

We had a handful of DNS errors show up in WMT last week also.

[venunath]

any suggestions plz

[meelosh]

am also getting "network unreachable" detail "no response" and there is no evidence in the logs of server issues....

[tedster]

Nothing that you can do about that unless you also cannot see your site in a browser, I'd say it's an internal Google problem.

[venunath]

Still having same "network unreachable" & DNS Issue. I found sudden drop in back links count, internal linking structure count, loss my site links and not indexing on regular bases.

Is any one observe the same thing? any suggestion what going on?

[HenryUK]

I've seen the same thing in relation to reported "DNS issues". I'm used to seeing the odd network unreachable error, but the DNS stuff is new to me. We have an amazingly robust, high-end DNS setup here, and the extensive records that we have show no problems nor anything out of the ordinary on the days on which GWT reports errors - which run into thousands of URLs.

In a way I'm happy to hear that others are experiencing the same problem - it makes me think that it must be a Google/GWT issue.

[Ronyeli]

We too have DNS issues on crawl errors, i did a DNS check and got this:
"Master DNS defined by SOA (#*$!.com) was not found among NS records."
and this:
"Domain #*$!.com has only one mail-server"

Does anyone knows what it implies?

[tedster]

The first error can indicate that the records at your registrar and at your webhosting give conflicting reports.

Google Search does not depend on MX servers (mailservers) so I wouldn't be concerned with #2 as far as Webmaster Tools goes.

[anallawalla]

I have seen DNS and Network Unreachable errors for many months at different sites. The latter could be anywhere between the Google crawler site and your web host. As long as your own server uptime can be confirmed by your monitoring service, there isn't much you can do.

[Ronyeli]

so do i need to be concerned with #1 in terms of Google ranking? i am asking you because i notice a drop in ranking in the past year.

[Bewenched]

I saw that our WMT had listed a lot of DNS/time-outs error last week as well.
We had a 100% uptime rate last week, no DNS changes and no errors in our logs that might indicate an issue.

[tedster]

do i need to be concerned with #1 in terms of Google ranking?

If Google can't retrieve a page for an extended period due to DNS errors, then yes, that certainly can affect ranking - or even toos the page oput of the index. Check your server logs and see if googlebot has requested the problematic URL recently and received a 200 OK response from your server. If you see that happening, then the error is in Google's report, not your site.

But, since a third party report also highlighted a DNS problem for you, I certainly encourage you to fix it.