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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

Jun 30 – Jun 30, 2026 · 1 day with sends

Daily 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 Mailchimp: 1 (2026-06-30)106/30
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