Email Security for anthropic.com
SPF configured · DMARC p=reject · MX 5 records.
++
~/email-security · anthropic.comstrong
$ dig +short TXT anthropic.com
[resolve] ok
[audit] posture: strong · MX records: 5
mx
1aspmx.l.google.com5alt1.aspmx.l.google.com5alt2.aspmx.l.google.com10alt3.aspmx.l.google.com10alt4.aspmx.l.google.com
warn
SPFfound
Authorizes senders that may use this domain in MAIL FROM.
lookups1 / 10
all~all
- · Uses '~all' (softfail) — consider '-all' for stronger enforcement.
ok
DMARCfound
Tells receivers what to do when SPF or DKIM fail.
policyreject
subdomainreject
ruamailto:f0cef134490d4d43b9c134fc3c2a3481@dmarc-reports.cloudflare.net, mailto:dmarc-reports@anthropic.com
n/a
DKIMnot configured
Public key at default._domainkey — only the 'default' selector was checked.
- · No DKIM record at 'default._domainkey' — actual selector may differ (e.g., 'google._domainkey').
n/a
MTA-STSnot configured
Announces SMTP TLS enforcement policy.
- · No MTA-STS announce TXT — modern TLS enforcement not advertised.
n/a
TLS-RPTnot configured
Telemetry destination for SMTP TLS failures.
- · No TLS-RPT record — no telemetry on SMTP TLS failures.
n/a
BIMInot configured
Logo announcement at default._bimi — only the 'default' selector was checked.
- · No BIMI record at 'default._bimi'.
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