DNS & network news

Monthly Archive: August 2017

Host Record To Redirect WAMP root to site in sub-folder

I believe what I am wanting to do is not possible with DNS. I migrated our old intranet site to a new web server running WAMP. It was in the www root on the old server, but there are multiple sites on the new server so I placed it in its own folder for organization. We had a Host record set up in DNS to point intranet/ to the web server. I need to point it to a specific path on the new webserver. I don’t believe this is possible with a Host record, but I wanted to check if there was another option?

Thanks

submitted by /u/myworkaccount765
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ADA.gov unreachable by many. Routing problem? Or IPv6 site incompatibility?

I noticed on 8/18 that I couldn’t reach ada.gov. Had another friend in San Diego, also using Cox test. No dice for him either. If I run my VPN, I can reach it. Since then, I’ve found somebody using another ISP, elsewhere in CA who can’t reach the site. After several calls/chats, Cox said it was a routing issue (w/ AT&T). Then I fussed more publicly on Twitter, and now they’re saying it’s b/c ada.gov is “not ready for IPv6”. Both answers are plausible. But I wonder if anybody not associated w/ an ISP (w/ more geek-cred than I possess) can confirm.

As I said, I can reach the site by VPNing, so it’s a non-issue for me; I consider this a volunteer effort to get more people able to access the important ADA website. (Americans with Disabilities Act)

So, if you’ve any thoughts as to how to troubleshoot, fix, or communicate with the stakeholders, I’d love to reddit-fix this problem. (or figure out that there’s nothing I can do, and let it rest.)

Thanks!

submitted by /u/uncoolcentral
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DomainKey TXT record problem

Can i have the same host for two records with different data?

Example:

m1._domainkey.domain.com -> k=rsa; t=s; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCxvdvLZXbCuLGPa7sckTeJp49zTWfSEj/FSboL+eASwli5QoEloH64vKZmjUmpnvaAws2w1+Y8p0In0f+8CcNRGDUTpbt4dVtYo0JXHJX43ezhYqlj3SYyefSIjwOEpv+g7xyGQaeSpFwZFUDjTvg9hHNGY+QiSNKfUqitF+JccwIDAQAB

and

m1._domainkey@domain.pt -> k=rsa; t=s; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCfMYhHO16+RBGXmDSEQRc/okh6uz3034DwcH8X59ilLO9AC/NN8AKTWwQsYhvn/WHzHhCherU7tNioFW2lTMKknIbnos3PHCvGFUpWjAjieP53c2izNz1VJvLehYdpn89C4zEgYMfB2p70lnwBv6T5HoWUeljRhOP13l69UD2HUwIDAQAB

submitted by /u/sonya_7
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PowerDNS Weird Resolution Problem

I am troubleshooting a very strange DNS resolution issue, I’m running a DNS server using PowerDNS (pdns.x86_64 3.4.11-1.el7), and when querying domains hosted on the server through the OpenDNS public resolver (208.67.222.222), I get a SERVFAIL sometimes. This does not seem to happen with other resolvers.

Here is how you can reproduce the issue:

watch --interval=0.5 "dig @208.67.222.222 epecweb.net IN A" 

^ Returns SERVFAIL frequently, bouncing back and forth between this and the proper result.

watch --interval=0.5 "dig @8.8.8.8 epecweb.net IN A" 

^ Returns the proper result every single time.

watch --interval=0.5 "dig @4.2.2.1 epecweb.net IN A" 

^ Returns the proper result every single time.

It doesn’t seem to be OpenDNS’s fault, because I can do the same test with google.com on both recursors and it works fine.

Anybody have any idea what’s going on here and how I can resolve this?

submitted by /u/RedditTechDude
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Trace a record back to it’s zone.

Given a record or records, how do I tell what is the parent zone but isn’t a TLD, gTLD or second level domain?

E.g.:

I am trying to write code for this and I’m not sure how to it normally using DNS / Whois. I’ve seen some code which naïvely assumed a single level TLD and doesn’t take into account second level domains like .co.xx, etc….

submitted by /u/schrodyn
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Website not accessible through virgin DNS

I recently moved a website to a new host and updated the nameservers, but found I couldn’t access the site. After a fair amount of troubleshooting it turns out our ISPs DNS (Virgin) won’t resolve the name servers – I realised this after changing to the open DNS on my computer which resolved the problem my end. I did a reverse IP lookup and am able to access other websites on the server, so it seems to just be mine… My question is a) does this mean it is likely to be inaccessible to anyone who used virgin and b) if so does anyone have any idea how I might go about fixing it (I’ve tried talking to virgin and they have so far been singularly unhelpful)?

Any help would be appreciated.

submitted by /u/jday2
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