Peculiar DNS queries

[Reindl Harald]

Am 22.12.19 um 18:28 schrieb Paul Kosinski via bind-users:
> Every so often, we get a run of peculiar queries to our (BIND / named)
> DNS server. Note the apparently random mix of lower case and upper case
> letters in the domain names.
> 
> Does anybody have any idea why somebody would be doing this? (It's
> legal, I guess, but quite non-standard.)
> 
> Dec 22 12:05:43 iment0 named[10333]: client 134.0.217.68#20012 (Www.IMent.coM): query: Www.IMent.coM IN AAAA -E (216.55.100.246)
> 
> Dec 22 12:05:44 iment0 named[10333]: client 134.0.217.54#53150 (Www.iMent.Com): query: Www.iMent.Com IN AAAA -E (216.55.100.246)
> 
> Dec 22 12:05:44 iment0 named[10333]: client 134.0.217.53#27016 (WWw.imENT.cOm): query: WWw.imENT.cOm IN A -E (216.55.100.245)
> 
> Dec 22 12:05:44 iment0 named[10333]: client 134.0.217.69#23417 (WWw.IMeNt.cOM): query: WWw.IMeNt.cOM IN A -E (216.55.100.245)

because it#s some idiotic bot, typical network noise

[harry at srv-rhsoft:~]$ whois 216.55.100.246
NetRange:       216.55.96.0 - 216.55.111.255
CIDR:           216.55.96.0/20
NetName:        SMSV-BLK-1
NetHandle:      NET-216-55-96-0-1
Parent:         NET216 (NET-216-0-0-0-0)
NetType:        Direct Allocation
OriginAS:
Organization:   Smart Servers (SMSV)