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Chitubox

chitubox.com
🏆Rank #53,626 🏷 SaaS 🇨🇳China

Chitubox uses Mailchimp for marketing email and Amazon SES for transactional/notifications. They rank #53,626 in the Tranco list of most-popular domains. Email goes out from 2 different subdomains. Their email authentication setup is incomplete (score 50/100). Missing: DMARC, one-click unsubscribe.

Marketing ESPMailchimp
Transactional ESPAmazon SES
Total observations2
Active days2
Avg per active day1.0
Last activity📬 Active · yesterday
Cadence~every 30 months
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Email setup 50/100

Authentication signals observed in this brand's emails. SPF, DKIM and DMARC are the standard sender-authentication stack — see the DMARC policy below for whether spoofing is actually blocked or just monitored. One-click unsubscribe meets Google & Yahoo's bulk-sender requirements.

Setup has gaps
Some authentication is missing or weak — receivers may give less benefit of the doubt.
50/100
SPF
pass
DKIM
pass
DMARC
n/a (reject)
BIMI
none
Unsubscribe
missing
SPF lookups 4/10

SPF / DKIM / DMARC above reflect the last 1 email we've observed. DMARC policy is read live from DNS.

Authentication

DMARC reports sent to chitubox.com. Policy p=reject means receivers actively block or quarantine spoofed mail.

SPF alignment: all 1 observed email use a return-path aligned with chitubox.com (account.service.chitubox.com). SPF authenticates the visible From — supports DMARC directly.

DKIM alignment: all 1 observed email sign with a domain aligned with chitubox.com (service.chitubox.com). DKIM authenticates the visible From — supports DMARC directly.

Transport & deliverability

Delivery: fast — 100% of emails in the last 7 days arrive in under 10 seconds (across 2 sends).

Other ESPs detected

Brands often use multiple ESPs (e.g. one for marketing, another for transactional/notifications).

None — only the primary ESP(s) shown above

Confirmed senders

ESPs we've seen sending email for this brand. Green = confirmed by SPF, sender IP rDNS, or known infra pairing (label shows the source). Grey = observed but not yet confirmed by SPF or PTR.

Amazon SES ✓ confirmed

Other SPF authorizations

No additional ESPs authorized in the brand's SPF beyond the confirmed senders above.

Probed: chitubox.com, account.service.chitubox.com, service.chitubox.com

Where emails landed (Gmail)

Folder distribution across all emails from this brand observed in Gmail inboxes. High inbox % = good deliverability; spam appearances are the headline signal.

No folder data yet. The next observations will populate this.

Where emails landed (Outlook)

Placement observed in Outlook / Microsoft 365 mailboxes. Focused Inbox splits mail into two tabs, "Focused" (inbox) and "Other", plus Junk. 50% reached the Focused inbox across 2 observed emails.

Focused 50% (1) Other 50% (1) Junk 0% (0)

ESP activity over time

Jul 1, 2021 – Jun 1, 2026 · 2 months with sends

Monthly observations per ESP. Brands often run multiple ESPs concurrently — marketing on one, transactional on another — so this chart shows usage rather than switches.

1 0 Amazon SES: 1 (2021-07)1Mailchimp: 1 (2026-06)1Jul '21Jan '22Jul '22Jan '23Jul '23Jan '24Jul '24Jan '25Jul '25Jan '26Jun '26
Amazon SES Mailchimp

Similar brands using Mailchimp

Sending IPs

IP addresses chitubox.com has been observed sending from, and where their mail landed in Gmail.

IPHostnameObsReputation
54.240.27.50 unknown 1 Check →

Per-IP inbox / promotions / spam is being collected and will appear here as new emails are observed.

Sending domains

DomainESPs detectedDelivery (7d)
service.chitubox.comAmazon SES 1
chitubox.comMailchimp 1