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I have set up my DynDNS Custom DNS service so that my Apple Time Capsule router can register Wide Area Bonjour services on my domain. Everything seems to be working fine so far; my laptop can find and access the device's services over the Internet. However, in the DNS settings for my domain, I see that dozens (hundreds?) of PTR records have been created, of the form "_airport._sub._adisk._tcp.mydomain.com". I tried deleting these records but they just keep replicating. There are a few other records that were also created by the TC, but they aren't ballooning like this one. My question is, is this a problem? How can I stop it from happening? Thanks in advance for any advice. |
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Do the PTR records have the same record data? Are you running the latest Airport utility and if so are you using the latest firmware? The data is the same for all of them. The host field is of the form described above, the TTL is 4500, the type is PTR, and the data is of the form "timeCapsuleHostname._adisk._tcp.mydomain.com". I am using the latest versions of both the AirPort Utility and the AirPort firmware.
Jul 29 at 03:54 PM
Dylan Vassallo
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(Adding another answer as my comment was truncated) You may need to contact DynDNS's support to get a resolution to this as this behaviour doesn't quite make sense (at least to me). Part of a DNS update message includes prerequisites for record existence and non-existence which should prevent the record being added if it already exists. Further when a DNS update message includes a request to add a record, a comparison is done to see if there is an existing record that matches the record to be added. This comparison is done using the record's name (insensitive of case), class, type and data (TTL excluded) so these records shouldn't be created even if the requisite checks fail. The only thing I can think of that might lead to this behaviour (and even then it's a stretch) is if non-ASCII characters are in the devices hostname — is that the case? Okay, I will contact them. There is a hyphen in the router's hostname, but afaik that's still ASCII. Maybe I'll rename it to alphabetic letters only just to be sure. Thanks so much for your help, I guess this just comes with the "beta" tag on DynDNS's Wide Area Bonjour support.
Jul 30 at 06:39 AM
Dylan Vassallo
P.S. If there's any type of beta for http://dnsndns.com, I'd love to be part of it ;)
Jul 30 at 06:40 AM
Dylan Vassallo
P.P.S. Thanks for adding me to the beta list, haha :) FWIW I'll relay DynDNS's response to this question page for anyone else who runs into this problem.
Jul 30 at 03:32 PM
Dylan Vassallo
So Dyn says it's Apple's fault. I guess I'm just gonna have to live with it... :p
Aug 02 at 05:52 AM
Dylan Vassallo
I have exactly the same problem. Many PTR records that are duplicates are being created I am using OSX Lion directly from my AppleMac.
Apr 13 at 09:24 PM
oldspicegirl
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