colegiorussel.edu.do has no AAAA records.
Apex domains cannot have CNAME records.
Google
Domain verification
google-site-verification=AyhemvOS1wWdXZzgyWKk9mZwFC8Qtkj2xGCC336PrBE
ns1.siteground.net
SiteGround
ns2.siteground.net
SiteGround
Zone apex
Start of authority
Email
Serial
100153
Refresh
1d
Retry
2h
Expire
41d 16h
Negative cache TTL
1d