Re: [dns-operations] DNSviz and G-root: EDNS issue?

2021-10-15 Thread Casey Deccio
> On Oct 13, 2021, at 1:07 AM, Stephane Bortzmeyer wrote: > > On Tue, Oct 12, 2021 at 01:01:08PM -0400, > Matthew Pounsett wrote > a message of 11 lines which said: > >>> This might be a known intermittent IPv6 routing issue with DNSviz, do >>> you see this problem for v4 and/or v6 ? >> >>

Re: [dns-operations] DNSviz and G-root: EDNS issue?

2021-10-13 Thread Stephane Bortzmeyer
On Tue, Oct 12, 2021 at 01:01:08PM -0400, Matthew Pounsett wrote a message of 11 lines which said: > > This might be a known intermittent IPv6 routing issue with DNSviz, do > > you see this problem for v4 and/or v6 ? > > That would show up as a non-answer over IPv6, rather than an apparent >

Re: [dns-operations] DNSviz and G-root: EDNS issue?

2021-10-12 Thread Matthew Pounsett
On Tue, 12 Oct 2021 at 11:24, Keith Mitchell wrote: > > This might be a known intermittent IPv6 routing issue with DNSviz, do > you see this problem for v4 and/or v6 ? That would show up as a non-answer over IPv6, rather than an apparent PMTU/EDNS problem.

Re: [dns-operations] DNSviz and G-root: EDNS issue?

2021-10-12 Thread Stephane Bortzmeyer
On Tue, Oct 12, 2021 at 11:21:44AM -0400, Keith Mitchell wrote a message of 22 lines which said: > > (192.112.36.4, UDP_-_EDNS0_4096_D_KN)". > > > > Testing G-root/192.112.36.4 > This might be a known intermittent IPv6 routing issue with DNSviz, do you > see this problem for v4 and/or v6 ?

Re: [dns-operations] DNSviz and G-root: EDNS issue?

2021-10-12 Thread Keith Mitchell
On 10/12/21 11:14 AM, Stephane Bortzmeyer wrote: DNSviz currently always flags the root with a warning "./DNSKEY (alg 8, id 14748): No response was received until the UDP payload size was decreased, indicating that the server might be attempting to send a payload that exceeds the path maximum

[dns-operations] DNSviz and G-root: EDNS issue?

2021-10-12 Thread Stephane Bortzmeyer
DNSviz currently always flags the root with a warning "./DNSKEY (alg 8, id 14748): No response was received until the UDP payload size was decreased, indicating that the server might be attempting to send a payload that exceeds the path maximum transmission unit (PMTU) size. (192.112.36.4,