Hush Uk uses Klaviyo as their primary email service provider. They rank #296,287 in the Tranco list of most-popular domains. We've also observed sends via Emarsys. Email goes out from 2 different subdomains. Their email authentication setup is solid (score 85/100).
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.
SPF / DKIM / DMARC above reflect the last 2 emails we've observed. DMARC policy is read live from DNS.
DMARC reports sent to hush-uk.com. Policy
p=reject means receivers actively block or quarantine spoofed mail.
DKIM alignment: all 4 observed emails sign with a domain aligned with hush-uk.com (hush-uk.com). DKIM authenticates the visible From — supports DMARC directly.
Delivery: fast — 100% of emails in the last 7 days arrive in under 10 seconds (across 2 sends).
Brands often use multiple ESPs (e.g. one for marketing, another for transactional/notifications).
Emarsys 2ESPs 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: hush-uk.com, info.hush-uk.com, email.hush-uk.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 | 2 | 28.6% |
| promotions | 5 | 71.4% |
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 % |
|---|---|---|---|---|---|
| Klaviyo | 5 | 40.0% | 60.0% | 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 hush-uk.com has been observed sending from, and where their mail landed in Gmail.
| IP | Hostname | Obs | Placement | Reputation |
|---|---|---|---|---|
| 170.203.20.21 | kl-203-20-21.kmta.shared.klaviyomail.com |
2 | — | Check → |
| 170.203.24.5 | kl-203-24-5.kmta.shared.klaviyomail.com |
2 | 2 | Check → |
| 45.86.117.79 | mta-2d56754f.ip4.emsmtp.us |
1 | — | Check → |
| 45.86.117.74 | mta-2d56754a.ip4.emsmtp.us |
1 | — | Check → |
| 170.203.16.6 | kl-203-16-6.kmta.shared.klaviyomail.com |
1 | — | Check → |