[External] strange queries incrementing letter by letter

[Ondřej Surý]

aka browsers

--
Ondřej Surý — ISC (He/Him)

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> On 7. 5. 2021, at 21:11, Mark Andrews <marka at isc.org> wrote:
> 
> Some piece of software trying to speed up resolution by resolving names as you type.
> 
> -- 
> Mark Andrews
> 
>>> On 8 May 2021, at 04:21, Kevin A. McGrail <kmcgrail at pccc.com> wrote:
>>> 
>> 
>> Weird.
>> 
>> Thoughts are:
>> 
>> Bad software?  What we call ratware.  
>> 
>> UDP/TCP Firewall issues?
>> 
>> Regards,
>> 
>> KAM
>> 
>>> On 5/7/2021 1:32 PM, Kevin Kretz wrote:
>>> I see occasional series of queries like this, from within my network and among disparate types of host (linux, windows):
>>> 
>>> If there's a host called 
>>> 
>>> hostname.mynet.com
>>> 
>>> I'll see a sequence of queries like
>>> 
>>> hostname.m
>>> hostname.my
>>> hostname.myn
>>> hostname.myne
>>> hostname.mynet
>>> hostname.mynet.c
>>> hostname.mynet.co
>>> hostname.mynet.com
>>> 
>>> Can anyone tell me what this is?
>>> 
>>> 
>>> thanks
>>> 
>>> Kevin
>>> 
>>> 
>>> 
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>> -- 
>> <PCCC-Logo-Vertical-Blue-75x75.png>
>> 
>> <raptor-logo-vertical-blue-75x75.png>
>>  
>> 
>> Kevin A. McGrail
>> CEO Emeritus
>> Peregrine Computer Consultants Corporation
>>  
>> <phone_sig_icon_orange.png>
>> +1.703.798.0171	
>> <email_sig_icon_orange.png>
>> kmcgrail at pccc.com
>> <web_sig_icon_orange.png>
>>  https://pccc.com/	
>> <web_sig_icon_orange.png>
>> https://raptoremailsecurity.com
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>> 10311 Cascade Lane, Fairfax, Virginia 22032-2357 USA
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> 
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