Man pages for gdns
Tools to Work with Google's 'DNS-over-HTTPS' ('DoH') 'API'

bulk_queryVectorized query, returning only answers in a data frame
gdnsTools to Work with Google DNS Over HTTPS API
has_spfTest for whether a DNS TXT record is an SPF record
is_soft_failSPF "all" type test
queryPerform DNS over HTTPS queries using Google
resource_record_tblAn overview of resource records (RRs) permissible in zone...
spf_ipv4sSPF field extraction functions
split_spfSplit out all SPF records in a domain's TXT record
gdns documentation built on Sept. 21, 2018, 6:15 p.m.