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Subject: Re: Cygwin.com address down
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From: Jon Turney <jon.turney@dronecode.org.uk>
Message-ID: <23a1a4a7-24fc-a7d3-66c8-d3dfc5743264@dronecode.org.uk>
Date: Tue, 5 Jan 2021 14:10:48 +0000
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On 02/01/2021 19:44, Hamish McIntyre-Bhatty via Cygwin wrote:
> On 02/01/2021 18:00, Peter Rice via Cygwin wrote:
>> Hi,
>>
>> I tried installing cygwin on a new Windows 10 system yesterday and it
>> failed to find any mirror sites.
>>
>> I can see www.cygwin.com to start the download, but then everything
>> points to cygwin.com and all those links fail (but work when I add
>> 'www.' to the URL)
>>
>> For example: The "mirrors" left menu link to
>> https://cygwin.com/mirrors.html fails but
>> https://www.cygwin.com/mirrors.html works
>>
>> I will keep trying to see if it is back - or maybe everything should
>> just be pointing to the www.cygwin.com address.
>>
>> regards
>>
>> Peter Rice
> 
> Hi, I have the same problem - cygwin.org works for me, but cygwin.com
> doesn't, although tester sites suggest cygwin.com is indeed up.
> 

This looks like perhaps a problem with a nameserver operated by BT, if 
you are a customer of theirs.

> dig @81.139.56.100 cygwin.com
> 
> ; <<>> DiG 9.11.3-1ubuntu1.13-Ubuntu <<>> @81.139.56.100 cygwin.com
> ; (1 server found)
> ;; global options: +cmd
> ;; Got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 31712
> ;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1
> 
> ;; OPT PSEUDOSECTION:
> ; EDNS: version: 0, flags:; udp: 512
> ;; QUESTION SECTION:
> ;cygwin.com.                    IN      A
> 
> ;; Query time: 27 msec
> ;; SERVER: 81.139.56.100#53(81.139.56.100)
> ;; WHEN: Tue Jan 05 14:06:19 GMT 2021
> ;; MSG SIZE  rcvd: 39
> 
> $ dig @81.139.56.100 www.cygwin.com
> 
> ; <<>> DiG 9.11.3-1ubuntu1.13-Ubuntu <<>> @81.139.56.100 www.cygwin.com
> ; (1 server found)
> ;; global options: +cmd
> ;; Got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1597
> ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1
> 
> ;; OPT PSEUDOSECTION:
> ; EDNS: version: 0, flags:; udp: 512
> ;; QUESTION SECTION:
> ;www.cygwin.com.                        IN      A
> 
> ;; ANSWER SECTION:
> www.cygwin.com.         300     IN      A       8.43.85.97
> 
> ;; Query time: 184 msec
> ;; SERVER: 81.139.56.100#53(81.139.56.100)
> ;; WHEN: Tue Jan 05 14:06:23 GMT 2021
> ;; MSG SIZE  rcvd: 59

compare with:

>  dig @8.8.8.8 cygwin.com
> 
> ; <<>> DiG 9.11.3-1ubuntu1.13-Ubuntu <<>> @8.8.8.8 cygwin.com
> ; (1 server found)
> ;; global options: +cmd
> ;; Got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 23102
> ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1
> 
> ;; OPT PSEUDOSECTION:
> ; EDNS: version: 0, flags:; udp: 512
> ;; QUESTION SECTION:
> ;cygwin.com.                    IN      A
> 
> ;; ANSWER SECTION:
> cygwin.com.             299     IN      A       8.43.85.97
> 
> ;; Query time: 39 msec
> ;; SERVER: 8.8.8.8#53(8.8.8.8)
> ;; WHEN: Tue Jan 05 14:06:44 GMT 2021
> ;; MSG SIZE  rcvd: 55
--
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