sponsor.com has no AAAA records.
Apex domains cannot have CNAME records.
Google
Domain verification
google-site-verification=EQ5EvyfnZtCncsH-6ho78mka2pCaTglS5ooTf7KX5cM
JetBrains
Domain verification
jetbrains-domain-verification=f030ksaf0bcdo86zh4nf3ep1e
Microsoft
Domain verification
MS=ms52355979
Pardot
Domain verification
pardot705203=604a98defcabeb47884c4f42481f3f0795cb5a6ddd70f9706be5696ff0747259
ns0.dnsmadeeasy.com
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ns1.dnsmadeeasy.com
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ns2.dnsmadeeasy.com
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ns3.dnsmadeeasy.com
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ns4.dnsmadeeasy.com
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Zone apex
Start of authority
Email
Serial
2008041114
Refresh
12h
Retry
2h
Expire
14d
Negative cache TTL
1h