sendersrv.com has no AAAA records.
Apex domains cannot have CNAME records.
Google
Domain verification
google-site-verification=PSUfAksZ3kotFduKEpglzD03eM2l_pEnhptIYCAhWz4
Yahoo
Domain verification
yahoo-verification-key=M580CVSdzlhvlRXRNzUJOaqQZIhAwj1KTFRJL7nO7xM=
edna.ns.cloudflare.com
Cloudflare
james.ns.cloudflare.com
Cloudflare
Zone apex
Start of authority
Email
Serial
2397302263
Refresh
2h 46m 40s
Retry
40m
Expire
7d
Negative cache TTL
30m