[AusNOG] 365 DNS issues

Fri Oct 11 15:45:38 AEDT 2024

Hi,
     We just started working...we changed nothing at our end.   I just tested DNS and it is working again.  Azure connectivity back too.

Regards,


> On 11 Oct 2024, at 2:29 PM, Nathan Brookfield <Nathan.Brookfield at iperium.com.au> wrote:
> 
> After doing more testing outside of 1.1.1.1….
>  
> simadmin at rad01:~$ nslookup
> > set q=mx
> > iperium-com-au.mail.protection.outlook.com <http://iperium-com-au.mail.protection.outlook.com/>
> Server:         223.25.112.27
> Address:        223.25.112.27#53
>  
> Non-authoritative answer:
> *** Can't find iperium-com-au.mail.protection.outlook.com <http://iperium-com-au.mail.protection.outlook.com/>: No answer
>  
> Authoritative answers can be found from:
> mail.protection.outlook.com <http://mail.protection.outlook.com/>
>         origin = ns1-proddns.glbdns.o365filtering.com <http://ns1-proddns.glbdns.o365filtering.com/>
>         mail addr = hostmaster.o365filtering.com <http://hostmaster.o365filtering.com/>
>         serial = 2013010801
>         refresh = 3600
>         retry = 600
>         expire = 86400
>         minimum = 3600
> 
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> From: AusNOG <ausnog-bounces at lists.ausnog.net> on behalf of Joe Saxton <Joe.Saxton at steadfasttech.com.au>
> Date: Friday, 11 October 2024 at 14:24
> To: David Walsh <davow at onthenet.com.au>, shane at 2000cn.com.au <shane at 2000cn.com.au>
> Cc: ausnog at lists.ausnog.net <ausnog at lists.ausnog.net>
> Subject: Re: [AusNOG] 365 DNS issues
> 
> Shane, we've been seeing issues as well which MS have confirmed. Nothing published on their service status board as of yet.
> 
> -
> Regards,
> Joe Saxton
> Infrastructure Lead
> 
> Level 4, 99 Bathurst Street, Sydney NSW 2000
> M
>  
> +61 456 456 358
> joe.saxton at steadfasttech.com.au <mailto:joe.saxton at steadfasttech.com.au>
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> ----Original Message----- 
> From: AusNOG <ausnog-bounces at lists.ausnog.net> On Behalf Of David Walsh 
> Sent: Friday, October 11, 2024 2:45 PM 
> To: shane at 2000cn.com.au 
> Cc: ausnog at lists.ausnog.net 
> Subject: Re: [AusNOG] 365 DNS issues 
> 
> Caution: This email originated from outside the organisation. Do not click links or open attachments unless you recognise the sender and know the content is safe.
> 
> 
> Hi, 
> Yes, we are at Vonex, yet if I forward our DNS requests via 1.1.1.1, no problems.
> I did open a ticket with MS365 support but no response. 
> 
> However, we are also seeing issues getting responses back from Azure VMs so we are thinking it may be our uplink path as testing via my Telstra 5G works.
> Still investigating. 
> 
> As far and DNS, I tested manually with a mix of dig and ngrep on my DNS server and got no further than two levels of authoritative NS servers in the Microsoft landscape. The IPs that did not respond were hosted in Azure and is probably related to the issue we are having above. 
> 
> Regards, 
> David 
> 
> 
> > On 11 Oct 2024, at 1:34 PM, Shane Chrisp <shane at 2000cn.com.au> wrote:
> > 
> > Just wondering if others are still seeing issues with DNS resolution of 365 domains?
> > 
> > Im seeing communication errors when trying to resolve anything in the *..mail.protection.outlook.com for the last 12 hours or so.
> > 
> > -- 
> > Regards 
> > 
> > Shane Chrisp 
> > 2000 Computers & Networks Pty Ltd 
> > Mob 0412 409 856 
> > Email shane at 2000cn.com.au 
> > Web https://au01.l.antigena.com/l/zQW5R8KVfZAJgoUePQsHM4Wc9xEnPQxlH8ZuaLLUvkiiYy5-9WXfyP4i2zbNol3MXY7vGY_s_M-9QJQVUc4NsLFXXck-mp4wTpx33CVaGeRQ4hC3oP1k8oypZ6-WhGHrC8EPlQaqd_kSIHqs_dp
> > 
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