coinbase.com
Live email deliverability and anti-spoofing audit. Every value below was read from public DNS at the moment this page was generated.
96/100 — This domain is configured correctly for both sending and receiving. Accepts mail · Protected against spoofing · Hosted by Google Workspace
Findings
-
mta sts
No MTA-STS policy, so inbound mail can be downgraded to an unencrypted connection.
Fix: Publish _mta-sts.coinbase.com and host a policy at https://mta-sts.coinbase.com/.well-known/mta-sts.txt.
-
mx
Mail is handled by Google Workspace.
1 aspmx.l.google.com, 5 alt1.aspmx.l.google.com, 5 alt2.aspmx.l.google.com, 10 alt3.aspmx.l.google.com, 10 alt4.aspmx.l.google.com
-
spf
SPF is published and enforcing.
v=spf1 include:amazonses.com include:_spf.google.com -all
-
dmarc
DMARC is enforcing with p=reject.
v=DMARC1; p=reject; adkim=s; aspf=s; fo=1; rua=mailto:jpohmdhp@ag.dmarcian.com; ruf=mailto:jpohmdhp@fr.dmarcian.com;
-
dkim
DKIM keys found for 2 selectors.
google._domainkey, mandrill._domainkey
Records
| MX | 1 aspmx.l.google.com5 alt1.aspmx.l.google.com5 alt2.aspmx.l.google.com10 alt3.aspmx.l.google.com10 alt4.aspmx.l.google.com |
|---|---|
| SPF | v=spf1 include:amazonses.com include:_spf.google.com -all |
| DMARC | v=DMARC1; p=reject; adkim=s; aspf=s; fo=1; rua=mailto:jpohmdhp@ag.dmarcian.com; ruf=mailto:jpohmdhp@fr.dmarcian.com; |
| DKIM selectors | google, mandrill |
| MTA-STS | not published |
| TLS-RPT | not published |
| BIMI | not published |
| DNSSEC | not validating |
Same data, as JSON, in one request. No SMTP probing, no stored recipient data, 250 free calls a month.
curl "https://mailgrade.dev/v1/domain?domain=coinbase.com"
Also available: /v1/verify?email=… for individual addresses, and
/v1/verify/batch for lists.