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Bestofcryptocurrency

bestofcryptocurrency.com
🏆Rank N/A 🏷 Media

Bestofcryptocurrency uses SparkPost as their primary email service provider. Their email authentication setup is good (score 80/100).

Transactional ESPSparkPost
Total observations2
Active days2
Avg per active day1.0
Last activity💤 Dormant · 5 months ago
Cadence~every 2 days
Compare Bestofcryptocurrency with another brand:

Email setup 80/100

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.

Solid setup, room to improve
Most authentication signals are present. A couple of pieces would tighten things up.
80/100
SPF
pass
DKIM
pass
DMARC
pass (quarantine)
BIMI
none
Unsubscribe
one-click
SPF lookups 2/10

SPF / DKIM / DMARC above reflect the last 2 emails we've observed. DMARC policy is read live from DNS.

Authentication

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

SPF alignment: all 2 observed emails use a return-path aligned with bestofcryptocurrency.com (b.bestofcryptocurrency.com). SPF authenticates the visible From — supports DMARC directly.

DKIM alignment: all 2 observed emails sign with a domain aligned with bestofcryptocurrency.com (bestofcryptocurrency.com). DKIM authenticates the visible From — supports DMARC directly.

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.

SparkPost ✓ confirmed

Other SPF authorizations

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

Probed: bestofcryptocurrency.com, b.bestofcryptocurrency.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.

ESP activity over time

Jan 17 – Jan 20, 2026 · 2 days 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 SparkPost: 1 (2026-01-17)1SparkPost: 1 (2026-01-20)101/1701/1801/1901/20
SparkPost

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Sending IPs

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

IPHostnameObsReputation
156.70.12.127 unknown 1 Check →
156.70.52.135 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)
bestofcryptocurrency.comSparkPost 2