Audible uses Amazon SES as their primary email service provider. They rank #2,520 in the Tranco list of most-popular domains. Email goes out from 2 different subdomains. Their email authentication setup is solid (score 95/100).
Amazon SESAuthentication 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.
SPF / DKIM / DMARC above reflect the last 5 emails we've observed. DMARC policy is read live from DNS.
DMARC reports sent to 
p=quarantine means receivers actively block or quarantine spoofed mail.
SPF alignment: all 16 observed emails use a return-path aligned with audible.com (bounces.audible.com, bounces.mail.audible.com). SPF authenticates the visible From — supports DMARC directly.
DKIM alignment: all 15 observed emails sign with a domain aligned with audible.com (audible.com, mail.audible.com). DKIM authenticates the visible From — supports DMARC directly.
TLS: modern — 100% TLS 1.3 (across 9 sends).
Delivery: fast — 100% of emails in the last 7 days arrive in under 10 seconds (across 5 sends).
Brands often use multiple ESPs (e.g. one for marketing, another for transactional/notifications).
None — only the primary ESP(s) shown aboveESPs 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.
No additional ESPs authorized in the brand's SPF beyond the confirmed senders above.
Probed: audible.com, bounces.audible.com, bounces.mail.audible.com, mail.audible.com
Folder distribution across all emails from this brand observed in Gmail inboxes. High inbox % = good deliverability; spam appearances are the headline signal.
| Folder | Count | Share |
|---|---|---|
| inbox | 15 | 88.2% |
| promotions | 2 | 11.8% |
Which ESP's emails are landing where. Sorted by spam % so problem senders surface first. Brands using one ESP for marketing and another for transactional often see very different placement profiles per ESP. Per-ESP folder data only started being captured recently — counts here may be smaller than the total above until backfill catches up.
| ESP | Emails | Placement | Inbox % | Tabs % | Spam % |
|---|---|---|---|---|---|
| Amazon SES | 17 | 88.2% | 11.8% | 0.0% |
Daily observations per ESP. Brands often run multiple ESPs concurrently — marketing on one, transactional on another — so this chart shows usage rather than switches.
IP addresses audible.com has been observed sending from, and where their mail landed in Gmail.
| IP | Hostname | Obs | Placement | Reputation |
|---|---|---|---|---|
| 23.251.252.5 | e252-5.smtp-out.amazonses.com |
1 | — | Check → |
| 23.251.252.49 | e252-49.smtp-out.amazonses.com |
1 | — | Check → |
| 23.251.252.96 | e252-96.smtp-out.amazonses.com |
1 | — | Check → |
| 54.240.13.180 | a13-180.smtp-out.amazonses.com |
1 | — | Check → |
| 54.240.15.224 | a15-224.smtp-out.amazonses.com |
1 | — | Check → |
| 24.110.88.74 | i88-74.smtp-out.amazonses.com |
1 | — | Check → |
| 24.110.88.73 | i88-73.smtp-out.amazonses.com |
1 | — | Check → |
| 54.240.13.3 | a13-3.smtp-out.amazonses.com |
1 | — | Check → |
| 23.251.252.87 | e252-87.smtp-out.amazonses.com |
1 | — | Check → |
| 54.240.13.30 | a13-30.smtp-out.amazonses.com |
1 | — | Check → |
| 54.240.13.143 | a13-143.smtp-out.amazonses.com |
1 | — | Check → |
| 54.240.15.63 | a15-63.smtp-out.amazonses.com |
1 | — | Check → |
| 54.240.15.105 | a15-105.smtp-out.amazonses.com |
1 | 1 | Check → |
| 24.110.88.79 | i88-79.smtp-out.amazonses.com |
1 | 1 | Check → |
| 54.240.15.84 | a15-84.smtp-out.amazonses.com |
1 | 1 | Check → |
| 23.251.252.93 | e252-93.smtp-out.amazonses.com |
1 | 1 | Check → |
| 23.251.252.72 | e252-72.smtp-out.amazonses.com |
1 | 1 | Check → |
| Domain | ESPs detected | Delivery (7d) |
|---|---|---|
audible.com | Amazon SES 14 | |
mail.audible.com | Amazon SES 3 |
