Nickbrooksbird uses SparkPost as their primary email service provider. Email goes out from 2 different subdomains. Their email authentication setup is good (score 73/100). Missing: DMARC enforcement.
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.
SPF / DKIM / DMARC above reflect the last 6 emails we've observed. DMARC policy is read live from DNS.
DMARC published as p=none with no rua= reporting — monitor-only, and the sender isn't collecting reports either.
SPF alignment: 97% of observed emails use an aligned return-path (send.dev.nickbrooksbird.com, bounce.nickbrooksbird.com); the rest use third-party paths (sparkpostmail1.com) where DMARC has to rely on DKIM alignment.
DKIM alignment: all 38 observed emails sign with a domain aligned with nickbrooksbird.com (dev.nickbrooksbird.com, nickbrooksbird.com). DKIM authenticates the visible From — supports DMARC directly.
TLS: 0% TLS 1.3, 100% TLS 1.2 (across 36 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: nickbrooksbird.com, sparkpostmail1.com, bounce.nickbrooksbird.com, send.dev.nickbrooksbird.com, dev.nickbrooksbird.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 | 8 | 66.7% |
| spam | 4 | 33.3% |
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 % |
|---|---|---|---|---|---|
| SparkPost | 12 | 66.7% | 0.0% | 33.3% |
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 nickbrooksbird.com has been observed sending from, and where their mail landed in Gmail.
| IP | Hostname | Obs | Placement | Reputation |
|---|---|---|---|---|
| 147.253.211.5 | mta-253-211-5.smtp-out.sparkpostmail.com |
6 | 1 | Check → |
| 192.174.87.148 | mta-174-87-148.smtp-out.sparkpostmail.com |
5 | 1 | Check → |
| 192.174.87.136 | mta-174-87-136.smtp-out.sparkpostmail.com |
4 | — | Check → |
| 192.174.87.141 | mta-174-87-141.smtp-out.sparkpostmail.com |
4 | — | Check → |
| 147.253.215.179 | mta-253-215-179.smtp-out.sparkpostmail.com |
4 | — | Check → |
| 192.174.87.138 | mta-174-87-138.smtp-out.sparkpostmail.com |
3 | — | Check → |
| 147.253.214.77 | mta-253-214-77.smtp-out.sparkpostmail.com |
3 | — | Check → |
| 192.174.87.66 | mta-174-87-66.smtp-out.sparkpostmail.com |
2 | — | Check → |
| 192.174.87.105 | mta-174-87-105.smtp-out.sparkpostmail.com |
2 | 1 | Check → |
| 192.174.87.62 | mta-174-87-62.smtp-out.sparkpostmail.com |
2 | 2 | Check → |
| 147.253.215.159 | mta-253-215-159.smtp-out.sparkpostmail.com |
1 | — | Check → |
| 147.253.211.76 | mta-253-211-76.smtp-out.sparkpostmail.com |
1 | — | Check → |
| 147.253.212.0 | mta-253-212-0.smtp-out.sparkpostmail.com |
1 | — | Check → |