Another command I like to use for this sort of thing is dig. I understand it it is supposed to be a replacement for nslookup. Anyway, I'm glad it is available on the Mac.
On Jun 25, 2013, at 11:13 AM, Chris Blouch <cblo...@aol.com> wrote: > You can inspect some stuff while you're waiting to make sure things are set > up right using terminal. Start by doing > > nslookup > > and hit return. Normally this lets you put in an address, like > www.caraquinn.com and it will tell you the IP address of your DNS server and > the IP address of the server your computer connects to to retrieve a page > after the line 'Non-authoritative answer'. It's non-authoritative because you > are asking your DNS who asked the DNS of caraquinn.com what the answer was > and then cached it. So you're one step removed from the source and it might > be old information. To get closer to the source we can find out who does DNS > for caraquinn.com. The way I do it is to look up the mx record for a domain > which will include the DNS server that is authoritative for that domain. So > type > > set type=mx > > and hit return. Now when you put in a domain like caraquinn.com it will tell > you who has all the authoritative DNS info for that domain in the lines after > "Authoritative answers can be found from". Most sites will have more than one > DNS for reliability and ideally the best one is listed first. In the case of > caraquinn.com that would be ns58.1and1.com. So now I can tell nslookup to > talk to ns58.1and1.com instead of the DNS from my local ISP. To do that I > would type > > server sn58.1and1.com > > and hit return. Then any queries I make will be asking the caraquinn.com > authoritative DNS server instead of my local ISP's DNS server. So now I wand > to switch back to getting name server address records so I type > > set type=a > > and hit return. Now I can type in > > www.caraquinn.com > > it spits back 74.208.159.32, which should be the IP address of the server > responding to requests sent to www.caraquinn.com. So if you do all this I > would check that your authoritative DNS has the right IP to www.whatever.com > mapping since that's where all the other DNS machines are going for answers. > If that is correct but your local DNS has it wrong then it's just a > cache/propagation problem. My experience is changes don't take more than an > hour and often float around in a matter of minutes. Note that this stuff can > get complicated fast with content delivery networks, multiple servers > answering to the same web address, cnames (like aliases that map to the same > server) and more. Hope this helps nail down the issue. > > CB > > On 6/24/13 9:16 PM, Mike wrote: >> Hi everyone, >> I need help with fixing a broken website. >> My domain name is registered through Wordpress.com but self hosted at dream >> host. >> Well apparently my automatic renewal of the domain name wasn't set up after >> all and it expired last night. >> I've since renewed it but when the url is visited it takes me back to the >> old Wordpress blog I was using originally not the self hosted site. >> I am guessing that the dns settings pointing the domain name to dream host >> broke when the domain expired and now I don't know how to fix it. >> I refreshed the domain on dream host but it hasn't helped. >> Can anyone give me some other things to try here? I am lost now. >> Feel free to email me off list. >> Skype or facetime are options too it they're needed. >> Thanks for any help. >> >> >> >> >> >> Mike >> > > -- > ¯\_(ツ)_/¯ > > -- > You received this message because you are subscribed to the Google Groups > "MacVisionaries" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to macvisionaries+unsubscr...@googlegroups.com. > To post to this group, send email to macvisionaries@googlegroups.com. > Visit this group at http://groups.google.com/group/macvisionaries. > For more options, visit https://groups.google.com/groups/opt_out. > > -- You received this message because you are subscribed to the Google Groups "MacVisionaries" group. To unsubscribe from this group and stop receiving emails from it, send an email to macvisionaries+unsubscr...@googlegroups.com. To post to this group, send email to macvisionaries@googlegroups.com. Visit this group at http://groups.google.com/group/macvisionaries. For more options, visit https://groups.google.com/groups/opt_out.
