DNSSEC is enabled on the domain @zacharywilkerson
$ whois [redacted] | grep DNSSEC
DNSSEC: signedDelegation
DNSSEC DS Data: 44255 8 2 5D1ABC32EF2603824892A8B3F10629A227D738D49313542DD6EA1554F3C90013
DNSSEC: signedDelegation
As noted in this documentation Netlify DNS doesn’t support DNSSEC.
If you would like to use DNSSEC (I believe it is a good thing that Netlify should support) see this thread and this feature request. However…
Edit: This post and the first post in thread edited by @elden to redact the domain however the domain is still visible by clicking the orange pencil at the top of this post.