socketlabs.com has no AAAA records.
Apex domains cannot have CNAME records.
Google
Domain verification
google-site-verification=eCW4tuA4k9PGP2eEXWplj8Z7vVK_xGO632QVZ9SlWl0
Google
Domain verification
google-site-verification=ugfnI151jr_CWDQz36HkeeqQXZlpOl4UOvqzW8XQf_E
HubSpot
Single sign-on
hubspot-developer-verification=YmU5ODI0NWMtNDcyZi00ZWQxLTkzNTUtNmNjN2U5MjUzMDI2
Postman
Domain verification
postman-domain-verification=201076d0d0ce229303b0f676e57f0c814ff7e44cbaa70a23447a9bb12a1afa1b7d7305f955e88383d71e9017f068a09e1dd1218ad35ac0ae6a2ea19a68c25f51
ns-1372.awsdns-43.org
Amazon Web Services
Route 53
ns-1718.awsdns-22.co.uk
Amazon Web Services
Route 53
ns-88.awsdns-11.com
Amazon Web Services
Route 53
ns-929.awsdns-52.net
Amazon Web Services
Route 53
Zone apex
Start of authority
Email
Serial
2017110200
Refresh
2h
Retry
15m
Expire
14d
Negative cache TTL
1d