Re: Google DNS Oddity

2019-09-09 Thread Warren Kumari
Yes, this is no longer occurring / is resolved. Apologies, W On Mon, Sep 9, 2019 at 1:37 PM Florian Brandstetter via NANOG < nanog@nanog.org> wrote: > Unable to replicate this in London: > > ``` > ; <<>> DiG 9.11.5-P1-1ubuntu2.5-Ubuntu <<>> @ns1.google.com. > www.google.com. > ; (2 servers

Re: Google DNS Oddity

2019-09-09 Thread Florian Brandstetter via NANOG
Where are you based? I can check if this can be replicated in our backbone, in case we have a PoP close. On Sep. 6 2019, at 11:17 pm, Nick Hilliard wrote: > Nick Hilliard wrote on 06/09/2019 21:19: > > Chip Marshall via NANOG wrote on 06/09/2019 20:11: > > > Hello, I'm seeing an oddity when

Re: Google DNS Oddity

2019-09-09 Thread Florian Brandstetter via NANOG
Unable to replicate this in London: ``` ; <<>> DiG 9.11.5-P1-1ubuntu2.5-Ubuntu <<>> @ns1.google.com. www.google.com. ; (2 servers found) ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 61970 ;; flags: qr aa rd; QUERY: 1, ANSWER: 1, AUTHORITY: 0,

Re: Google DNS Oddity

2019-09-06 Thread Nick Hilliard
Nick Hilliard wrote on 06/09/2019 21:19: Chip Marshall via NANOG wrote on 06/09/2019 20:11: Hello, I'm seeing an oddity when doing DNS lookups for www.google.com from our London datacenter, and I'm curious if other people are seeing the same behavior. I saw a bunch of monitoring systems

Re: Google DNS Oddity

2019-09-06 Thread Chip Marshall via NANOG
On 2019-09-06, Stephen Stuart sent: > Do you see the same behavior when you execute your dig query without > the trailing dot? Yes. dig adds on the trailing dot to make it an FQDN anyway, so the on-wire qname is the same either way. -- Chip Marshall

Re: Google DNS Oddity

2019-09-06 Thread Chip Marshall via NANOG
On 2019-09-06, Jared Mauch sent: > You may want to post on dns-operations instead. Will do. > Can you do a dig +trace www.google.com instead, that would be more > instructive about what’s happening at each layer of the delegation. # dig +trace www.google.com. ; <<>> DiG 9.10.3-P4-Ubuntu

Re: Google DNS Oddity

2019-09-06 Thread Nick Hilliard
Chip Marshall via NANOG wrote on 06/09/2019 20:11: Hello, I'm seeing an oddity when doing DNS lookups for www.google.com from our London datacenter, and I'm curious if other people are seeing the same behavior. I saw a bunch of monitoring systems queries for www.google.com/A return back with

Re: Google DNS Oddity

2019-09-06 Thread Stephen Stuart
Do you see the same behavior when you execute your dig query without the trailing dot? Thanks, Stephen > > On Sep 6, 2019, at 3:11 PM, Chip Marshall via NANOG wrote: > > > > Hello, I'm seeing an oddity when doing DNS lookups for www.google.com from > > our > > London datacenter, and I'm

Re: Google DNS Oddity

2019-09-06 Thread Jared Mauch
> On Sep 6, 2019, at 3:11 PM, Chip Marshall via NANOG wrote: > > Hello, I'm seeing an oddity when doing DNS lookups for www.google.com from our > London datacenter, and I'm curious if other people are seeing the same > behavior. > > It appears that when we ask for www.google.com. we