Here are some examples from my logs:
10.1.4.0 is a Samsung Galaxy S5 (Android)
2015:09:17-10:34:14 ravenna named[4568]: rpz: client 10.1.4.0#10063 (subscription.al.com): view default: rpz QNAME NXDOMAIN rewrite adi.wc-host.com via adi.wc-host.com.rpz
2015:08:26-07:00:04 ravenna named[4523]: rpz: client 10.1.1.6#63982 (heattreatmentchina.ru): view default: rpz IP NXDOMAIN rewrite heattreatmentchina.ru via 32.37.26.70.109.rpz-ip.rpz
2015:08:26-07:00:04 ravenna named[4523]: rpz: client 10.1.1.6#63982 (expirepages-kiae-2.nic.ru): view default: rpz IP NXDOMAIN rewrite expirepages-kiae-2.nic.ru via 32.76.61.85.194.rpz-ip.rpz
2015:08:26-07:00:04 ravenna named[4523]: rpz: client 10.1.1.6#63982 (expirepages-kiae-1.nic.ru): view default: rpz IP NXDOMAIN rewrite expirepages-kiae-1.nic.ru via 32.37.26.70.109.rpz-ip.rpz
10.1.1.6 is a linux mail server.
I have all traffic to Russia blocked which may help the latter 3, but the first is curious.
Info on the source ip
Address lookup
canonical name adi.wc-host.com. aliases subscription.al.com
addresses 66.194.102.170
Network Whois record
Queried rwhois.twtelecom.net with "66.194.102.170"...
%rwhois V-1.5:003AB6:00 rwhois.twtelecom.net (rwhois_ngd v0.9.0 by James Sella) network:Class-Name:network
network:ID:09bf12b0-6fb7-11e2-9aba-005056b11241 network:Auth-Area:66.194.0.0/16
network:Network-Name:Mansell-Group-66-194-102-128
network:IP-Network:66.194.102.128/25
network[:$]rganization;I:c1e26f7a-381e-11e2-aa1c-005056b11241
network[:$]rg-Name:Mansell Group network:Street-Address:2775 NORTHWOODS PKWY network:City:NORCROSS
network:State:GA network[[:P]]ostal-Code:30071
network:Country-Code:us
network[[:P]]hone:none network:Admin-Contact;I:none
network:Tech-Contact;I:none
network:Abuse-Contact;I:abuse@twtelecom.net
network:Updated:20131214121201000 %ok Queried whois.arin.net with "n 66.194.102.170"...
NetRange: 66.192.0.0 - 66.195.255.255
CIDR: 66.192.0.0/14
NetName: TWTC-NETBLK-4
NetHandle: NET-66-192-0-0-1
Parent: NET66 (NET-66-0-0-0-0)
NetType: Direct Allocation OriginAS:
Organization: tw telecom holdings, inc. (TWTC)
RegDate: 2001-10-25
Updated: 2012-02-24
Comment: ADDRESSES WITHIN THIS BLOCK ARE NON-PORTABLE
Ref: http://whois.arin.net/rest/net/NET-66-192-0-0-1
OrgName: tw telecom holdings, inc.
OrgId: TWTC
Address: 10475 Park Meadows Drive
City: Littleton
StateProv: CO
PostalCode: 80124
Country: US
RegDate: 1999-03-17
Updated: 2008-10-04 Ref: http://whois.arin.net/rest/org/TWTC
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