Email security for altospam.com

SPF

Pass

Authorizes which servers may send mail for the domain

SPF is published and within limits.

Policy: -all
DNS lookups: 5 / 10

Ends in -all (hardfail): unauthorized senders are rejected.
Uses 5 of 10 allowed DNS lookups.

v=spf1 a ip4:188.165.209.188 ip4:163.172.19.133 ip4:149.202.174.124 ip4:46.105.40.207 ip4:141.94.88.194 ip4:141.94.79.190 ip6:2001:41d0:118:800::8d5e:58c2 include:_spf.oktey.com include:spf.hornetsecurity.com include:mail.zendesk.com -all

DKIM

Not set

Cryptographically signs outgoing mail (best-effort selector probe)

Only revoked DKIM keys (empty p=) are published.

A DKIM record with an empty p= value signals a revoked key, i.e. the domain publishes no active signing key (often a deliberate "sends no mail" marker).

DMARC

Warning

Tells receivers what to do with mail that fails SPF and DKIM

DMARC is published but not fully enforcing.

Policy: p=none
Coverage: 100%

Policy p=none: DMARC is in monitoring mode only and does not block spoofed mail.
No rua address: you receive no aggregate reports to monitor abuse.

v=DMARC1

MTA-STS

Pass

Enforces TLS for inbound mail and prevents downgrade attacks

MTA-STS is enforcing TLS.

Mode: enforce
Max age: 2592000s

Policy mode is enforce: TLS is required for inbound mail.

v=STSv1

TLS-RPT

Pass

Receives reports about TLS delivery failures

TLS reporting is configured.

TLS delivery failure reports are being collected.

v=TLSRPTv1

BIMI

Warning

Displays your verified brand logo in supporting inboxes

BIMI is published with caveats.

BIMI record has no l= logo URL.
BIMI requires an enforcing DMARC policy (quarantine or reject) to be honored.

v=BIMI1