coresite.com has no AAAA records.
Apex domains cannot have CNAME records.
Apple
Domain verification
apple-domain-verification=YU2MNCMKIX9cimQs
Atlassian
Domain verification
atlassian-domain-verification=WxyHSBXiK3NayvdW1SrU71zVY8KQU9MMh3l8MP/m8d1h7NYzH4b2z37N3en+rSty
DocuSign
Domain verification
docusign=34f8ab80-9771-44d3-9caf-06eb5b6c960f
Google
Domain verification
google-site-verification=ELlN1UyGCZS-qRS296ytMe5ox59IP4UnMfcy8z5w97o
OpenAI
Domain verification
openai-domain-verification=dv-0oqQBVCxYQ0USOJ7LKN8uNDV
59cf2006ad9e2d672eae81ae60be3104c1b9bfc02f58941981eefb461f8547a2
bw=jmZWUm0vc8gBmhealnVPRKLvUdvi2AYvOvTMfb5DlOHi
GOOGLE-SITE-VERIFICATION=WIU51SYPP3QVXS0LOKAYEKAUDAHSV-NNV_DWT7RUT4A
YyHMjLAOi3Q/jASglNTHT1bp+0Xd/SC2RlNZXLMfpwOdhZFqu0Lnh6EEUR3tpgV9A5U0T6WNebeXuQgeZFb2aQ==
ns-1194.awsdns-21.org
Amazon Web Services
Route 53
ns-1952.awsdns-52.co.uk
Amazon Web Services
Route 53
ns-437.awsdns-54.com
Amazon Web Services
Route 53
ns-874.awsdns-45.net
Amazon Web Services
Route 53
Zone apex
Start of authority
Email
Serial
1
Refresh
2h
Retry
15m
Expire
14d
Negative cache TTL
1d