porcupine-mail.com has no AAAA records.
Apex domains cannot have CNAME records.
AbuseIPDB
Domain verification
abuseipdb-verification=e297UbPR
ns-1420.awsdns-49.org
Amazon Web Services
Route 53
ns-1725.awsdns-23.co.uk
Amazon Web Services
Route 53
ns-4.awsdns-00.com
Amazon Web Services
Route 53
ns-824.awsdns-39.net
Amazon Web Services
Route 53
Zone apex
Start of authority
Email
Serial
2015082411
Refresh
2h
Retry
15m
Expire
14d
Negative cache TTL
1d