[HECnet] All gone silent

[Johnny Billquist]

On 2021-08-17 21:05, Mark wrote:
> Crazy as it sounds that could be the reason. Have you a static IP and 
> have you had it a long time?

Yes and yes. I've had a static (same) address for over 20 years.

   Johnny

> 
> 
> Sent from ProtonMail for iOS
> 
> 
> On Tue, Aug 17, 2021 at 19:19, Thomas DeBellis 
> <tommytimesharing at gmail.com <mailto:tommytimesharing at gmail.com>> wrote:
>> The only thing that comes to mind immediately would be some kind of
>> misguided attempt to mitigate possible DOS attacks via white listing.
>>
>> On 8/16/21 9:04 PM, Paul Koning wrote:
>> >
>> >> On Aug 16, 2021, at 6:36 PM, Mark <mwjr at protonmail.com> wrote:
>> >>
>> >> Mystery solved (or at least the mystery of no response) - I used to 
>> have some issues when I ran authoratitive DNS and mail directly from 
>> our school's IP addresses rather than an 'established' (big tech co) 
>> source
>> > Why would that explain the failure to answer DNS queries? DNS 
>> servers are supposed to answer queries from everyone. I've never heard 
>> of failing to do so. FWIW, I just tried asking ns1.protonmail.ch about 
>> mail.protonmail.ch, and it was happy to answer me (to my random 
>> Comcast client addresses, IPv4 and IPv6 both work).
>> >
>> > paul
>> >
>> >
> 
> 

-- 
Johnny Billquist                  || "I'm on a bus
                                   ||  on a psychedelic trip
email: bqt at softjar.se             ||  Reading murder books
pdp is alive!                     ||  tryin' to stay hip" - B. Idol