smtpeter.com has no AAAA records.
Apex domains cannot have CNAME records.
Google
Domain verification
google-site-verification=EisP4vLl0gev0MN8Jgx5DjqzejYT1OmhdkqhyOSPcRU
Google
Domain verification
google-site-verification=EzduR_SV6kF0SwJlnW3LV58YjR2TauKdQyG2m8XNO9s
Google
Domain verification
google-site-verification=liphxHhElw9n2Sa68GmHAziCiCSM5lA_DX43XTEGAk4
Google
Domain verification
google-site-verification=PrtHibg0XGgGbZNbr5uNJhxa8pOk8J7p1SNxTdS62ks
Google
Domain verification
google-site-verification=UXLC1hj0u62uYEyau-vq75FbMwGGFz_4_7-LxEHZDgc
Mail.ru
Domain verification
mailru-verification: 649d9d528b29d0e7
Yahoo
Domain verification
yahoo-verification-key=yVPIOLUNE/UVTtUm9/GDeBHh6EbeG8PouXM7wSKTsjg=
Zone apex
Start of authority
Email
Serial
1771944745
Refresh
4h
Retry
30m
Expire
1d
Negative cache TTL
1m