sparkpost.com has no AAAA records.
Apex domains cannot have CNAME records.
Adobe identity provider
Domain verification
adobe-idp-site-verification=0237e519a7d451f5627648f5ff4fb20e5f4bd462bd20bf044126dbfceeced2bc
Apple
Domain verification
apple-domain-verification=a9LQsLZN91jT31Ub
Atlassian
Domain verification
atlassian-domain-verification=zPK0F79fyW2UAbvQVGSaW44sVRAFGOOmspQO3AEXqDMVwd37/8/5Is6DhyzLOGCB
Google
Domain verification
google-site-verification=_K7CLMoX1aFWHTkIF7zUElVRhDEhyiQZVr0PEkVkT2g
Google
Domain verification
google-site-verification=jc5QlfgOEJjmMzzdRy0x4_tOAuZGahkFAzh8QMgSINc
Google
Domain verification
google-site-verification=Vp0KXO66Dma1Po1wMNifhAWOCWEu911WrtysEVHScO0
Statuspage
Domain verification
status-page-domain-verification=0y9qf7hln9fv
201809121408304bi74pabicea7qngxjd2cje4th3lf0aqkdv3h6xm7vs2s0wrl2
49r9v6zl6m1kq4tmzdd9sfvghlxh2832
s368cyx7421v67hz261shy5dv0srq8fh
ns-1518.awsdns-61.org
Amazon Web Services
Route 53
ns-1923.awsdns-48.co.uk
Amazon Web Services
Route 53
ns-470.awsdns-58.com
Amazon Web Services
Route 53
ns-520.awsdns-01.net
Amazon Web Services
Route 53
Zone apex
Start of authority
Email
Serial
1
Refresh
2h
Retry
15m
Expire
14d
Negative cache TTL
1d