dnb.com has no AAAA records.
Apex domains cannot have CNAME records.
Atlassian
Domain verification
atlassian-domain-verification=owQCWYzgP3scaCY15u2L4MqN2a/Lda353UApAv4cEJPKscnJmVDwKlOkdpSAKnXa
Google
Domain verification
google-site-verification=ZVX3kiXRYyT5I8hIXfdxiVrgjftqr5S-waWjRxNXL0c
IBM
Domain verification
ibmid=a9def6cf-843c-4d36-8eca-2c307149bd63
Jamf
Domain verification
jamf-site-verification=XQrh0aSdNcFbATnbldtvFw
_bvsecjccauqilzo2plgsj9vbrqpp1yw
_hc2sn83etkc85jlw447nruu9dhbpdy5
_hp7c20ah0ikfywn17wamfjh8p6786ox
_t087nr0s8p25d17ouy1ln8ppt98veob
a1-67.akam.net
Akamai
a10-67.akam.net
Akamai
a12-66.akam.net
Akamai
a13-66.akam.net
Akamai
a6-66.akam.net
Akamai
a7-66.akam.net
Akamai
Zone apex
Start of authority
Email
Serial
2021084937
Refresh
20m
Retry
10m
Expire
14d
Negative cache TTL
1h