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<font size="-1">Hi Mike,<br>
<br>
Those two IPs have a reverse for me, do they work for you now
since opening your ticket with MS?<br>
<br>
</font>
<pre><font size="-1" color="#0c5bb8">% dig -x 40.92.63.85
; <<>> DiG 9.10.6 <<>> -x 40.92.63.85
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 25838
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 1460</font></pre>
<pre><font size="-1" color="#0c5bb8">;; QUESTION SECTION:
;85.63.92.40.in-addr.arpa. IN PTR</font></pre>
<pre><font size="-1" color="#0c5bb8">;; AUTHORITY SECTION:
92.40.in-addr.arpa. 300 IN SOA ns1-07.azure-dns.com. azuredns-hostmaster.microsoft.com. 1 3600 300 2419200 300</font></pre>
<pre><font size="-1" color="#0c5bb8">% dig -x 40.92.62.31
; <<>> DiG 9.10.6 <<>> -x 40.92.62.31
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 53408
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1</font></pre>
<pre><font size="-1" color="#0c5bb8">;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 1460</font></pre>
<pre><font size="-1" color="#0c5bb8">;; QUESTION SECTION:
;31.62.92.40.in-addr.arpa. IN PTR
;; AUTHORITY SECTION:
92.40.in-addr.arpa. 300 IN SOA ns1-07.azure-dns.com. azuredns-hostmaster.microsoft.com. 1 3600 300 2419200 300</font></pre>
<font size="-1"><br>
Thanks<br>
Josh<br>
<br>
<br>
</font>
<div class="moz-signature"><b><font color="#3333ff">Joshua Stark</font></b><br>
Email: <a class="moz-txt-link-abbreviated" href="mailto:starkjs@gmail.com">starkjs@gmail.com</a><br>
<br>
</div>
<div class="moz-cite-prefix">On 11/6/21 09:17, Mike Manning wrote:<br>
</div>
<blockquote type="cite"
cite="mid:5D207EB4DB92C34A86B2CA50AC286F4338C5CAB3@Exchange.matilda.net.au">
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<p class="MsoNormal">Hi all,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Anyone else here experiencing missing RDNS
for a swath of IP’s from Microsoft on a few different subnets?
I’ve opened a ticket with Microsoft netops for it and I’ve
done an rDNS bypass on our local antispam filter however we’re
now seeing o365 clients with the same issue when trying to
receive emails from anyone with an @outlook.com or @msn.com
email address.. where do you draw the line in adding bypass
after bypass?
<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">host 40.92.63.85<o:p></o:p></p>
<p class="MsoNormal">Host 85.63.92.40.in-addr.arpa. not found:
3(NXDOMAIN)<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">host 40.92.62.31<o:p></o:p></p>
<p class="MsoNormal">Host 31.62.92.40.in-addr.arpa. not found:
3(NXDOMAIN)<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><b><span
style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#00629F;mso-fareast-language:EN-AU">Mike
Manning</span></b><span
style="font-size:13.5pt;font-family:"Arial",sans-serif;color:black;mso-fareast-language:EN-AU"><br>
</span><b><span
style="font-size:7.5pt;font-family:"Arial",sans-serif;color:gray;mso-fareast-language:EN-AU">Network
Engineer</span></b><span
style="font-size:13.5pt;color:black;mso-fareast-language:EN-AU"><br>
<br>
</span><b><span
style="font-size:7.5pt;font-family:"Arial",sans-serif;color:#00629F;mso-fareast-language:EN-AU">Matilda
Internet</span></b><span
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</span><span
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<br>
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