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<p class="MsoNormal"><span style="font-size:11.0pt">To Whom It May Concern:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">I'm from PNC Bank in the US. We swapped a CNAME in our DNS on 2018-06-27 to move clients to new DataCenters for our Mobile Banking App.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">I am seeing a small number of customer client IPs hitting our old Datacenter -- All are IPs registered to AfriNic.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">I believe there is a bad cache within your DNS systems. The TTL should have expired in 300s.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">The following are the affected names.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><u><span style="font-size:11.0pt">PROPER RESOLUTION:<o:p></o:p></span></u></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">servicelink1.pnc.com canonical name = servicelink.glbo.pnc.com.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">servicelink2.pnc.com canonical name = servicelink.glbo.pnc.com.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><u><span style="font-size:11.0pt">PREVIOUS RESOLUTION:<o:p></o:p></span></u></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">servicelink1.pnc.com canonical name = servicelink1.glbo.pnc.com.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">servicelink2.pnc.com canonical name = servicelink2.glbo.pnc.com.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><u><span style="font-size:11.0pt">AfriNic Client IPs:<o:p></o:p></span></u></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">197.177.160.3<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">105.165.192.13</span><span style="font-size:11.0pt"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Please let me know what can be done about this and let me know if you require additional information!!!
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Thanks!<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Steve<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-family:"Tms Rmn",serif"><o:p> </o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:10.0pt;font-family:"Helv",sans-serif;color:black">Steven V. Filisko<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:gray">Lead Security Engineer / DataPower ATL | PS&A<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:gray">Product Security & Assurance | Cyber Security<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:gray">PNC Financial Services Group | Cleveland<br>
steven.filisko@pnc.com<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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