Managing only partial domain records

Setting SOA records using `subDomains` is broken

`subDomains` working as not expected from docs

Long record values need to be splitted

Upstreaming as an octodns module

DNSSEC support

The `baseDomains`/`subDomains` separation is a bit confusing

Allow creating wildcard domains in `baseDomains`

Terraform integration

rDNS/PTR support