<Ul> <Li> IP <Ul> <Li> IPv4 </Li> <Li> IPv6 </Li> </Ul> </Li> <Li> ICMP </Li> <Li> ICMPv6 </Li> <Li> ECN </Li> <Li> IGMP </Li> <Li> IPsec </Li> <Li> more...</Li> </Ul> <Li> IP <Ul> <Li> IPv4 </Li> <Li> IPv6 </Li> </Ul> </Li> <Ul> <Li> IPv4 </Li> <Li> IPv6 </Li> </Ul> <Tr> <Th> Link layer </Th> </Tr>

Where does dkim store its public certificate keys