slack.com has no AAAA records.
Apex domains cannot have CNAME records.
Google
Domain verification
google-site-verification=2PK67oVPNyEtS1avSlr3PhH5nSiFuticbQv_bT4pM2k
Google
Domain verification
google-site-verification=efuXt5-oMr2CdNmVi6A9IO29KMKifpseD1qokxjWwcE
Google
Domain verification
google-site-verification=kB1KvgpSk9YkHsFmsj1VPI5YmDvfKctPxnplhGjyqtE
Google
Domain verification
google-site-verification=KqX3Ngw0XEjz_0GVx_xwFFlCoO-bskhqU_lxv0Q77mk
Google
Domain verification
google-site-verification=o2grd1TLmZZ8GrqbhVIFtzO2MRLTtSUpBBIBYfhQVCQ
Google
Domain verification
google-site-verification=QvelFPjIOe3Vavw0q-aAVYaAPKmWCRjmmVVEAjgfjQc
Google
Domain verification
google-site-verification=v-LLB__IhraaI7ZzuE3jvRFIm2vERPLzWoepAEZJtKQ
HubSpot
Single sign-on
hubspot-developer-verification=OTE4NzYxYTgtMDUwZi00MzgzLTk2YTUtZDAwNjBlODg1MWM0
SpyCloud
Domain verification
spycloud-domain-verification=02e4c0be-cf43-44e4-beaf-4f99702ca632
_0vidyxobp6x350odqhb4fo7fdxhmtq3
OSSRH-54733
ns-1493.awsdns-58.org
Amazon Web Services
Route 53
ns-166.awsdns-20.com
Amazon Web Services
Route 53
ns-1901.awsdns-45.co.uk
Amazon Web Services
Route 53
ns-606.awsdns-11.net
Amazon Web Services
Route 53
Zone apex
Start of authority
Email
Serial
1
Refresh
2h
Retry
15m
Expire
14d
Negative cache TTL
5m