Fyxer uses Customer.io for marketing email and SendGrid for transactional/notifications. They rank #189,852 in the Tranco list of most-popular domains. We've also observed sends via 2 other providers: HubSpot, Bloomreach. Their email authentication setup is good (score 80/100). We've recorded 4 ESP changes since first observing this brand.
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 10 emails we've observed. DMARC policy is read live from DNS.
DMARC reports sent to fyxer.com. Policy
p=quarantine means receivers actively block or quarantine spoofed mail.
SPF alignment: 85% of observed emails use an aligned return-path (em1962.fyxer.com, cioeu122134.fyxer.com); the rest use third-party paths (transactional.eu1.hubspotemail.net, bf10.eu1.hubspotemail.net) where DMARC has to rely on DKIM alignment.
DKIM alignment: all 46 observed emails sign with a domain aligned with fyxer.com (fyxer.com, cioeu122134.fyxer.com). DKIM authenticates the visible From — supports DMARC directly.
TLS: 44% TLS 1.3, 56% TLS 1.2 (across 41 sends).
Delivery: fast — 100% of emails in the last 7 days arrive in under 10 seconds (across 24 sends).
Brands often use multiple ESPs (e.g. one for marketing, another for transactional/notifications).
HubSpot 7 Bloomreach 4ESPs 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.
ESPs this brand has authorized in their SPF record. We confirm them with a green ✓ only after seeing recurring use (3+ emails across 2+ days). Until then they stay here — either we haven't observed any email yet, or we've seen a handful but not enough to call them a regular sender for the brand.
Probed: fyxer.com, cioeu122134.fyxer.com, em1962.fyxer.com, transactional.eu1.hubspotemail.net, bf10.eu1.hubspotemail.net
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 | 36 | 87.8% |
| promotions | 5 | 12.2% |
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 % |
|---|---|---|---|---|---|
| Bloomreach | 3 | 100.0% | 0.0% | 0.0% | |
| Customer.io | 24 | 87.5% | 12.5% | 0.0% | |
| HubSpot | 5 | 60.0% | 40.0% | 0.0% | |
| SendGrid | 9 | 100.0% | 0.0% | 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 fyxer.com has been observed sending from, and where their mail landed in Gmail.
| IP | Hostname | Obs | Placement | Reputation |
|---|---|---|---|---|
| 167.89.92.145 | xtrwrcwk.outbound-mail.sendgrid.net |
23 | 10 | Check → |
| 198.244.60.100 | a100.a5d06dfa.euw1.send.eu.mailgun.net |
11 | 8 | Check → |
| 143.55.239.140 | v5140.v5a39be5d.euw1.send.eu.mailgun.net |
6 | 4 | Check → |
| 143.244.83.5 | bd77ezb.transactional.eu1.hubspotemail.net |
2 | — | Check → |
| 143.244.81.84 | bd77ena.bf10.eu1.hubspotemail.net |
2 | — | Check → |
| 143.244.86.0 | bd77fki.transactional.eu1.hubspotemail.net |
2 | — | Check → |
| 143.244.86.2 | bd77fkk.transactional.eu1.hubspotemail.net |
1 | — | Check → |
| Domain | ESPs detected | Delivery (7d) |
|---|---|---|
fyxer.com | Customer.io 27 SendGrid 9 HubSpot 7 Bloomreach 4 |