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Quironsalud

quironsalud.es
🏆Rank #217,160 🏷 Health 🇪🇸Spain

Quironsalud uses Retarus as their primary email service provider. They rank #217,160 in the Tranco list of most-popular domains. Their email authentication setup is good (score 73/100). Missing: DMARC enforcement, one-click unsubscribe.

Transactional ESPRetarus
Total observations2
Active days2
Avg per active day1.0
Last activity💤 Dormant · 5 weeks ago
Cadence~every 3 days
Compare Quironsalud with another brand:

Email setup 73/100

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.
73/100
SPF
pass
DKIM
pass
DMARC
pass (none)
BIMI
none
Unsubscribe
missing
SPF lookups 8/10
Authentication

DMARC reports sent to quironsalud.es. Policy p=none is monitor-only — receivers won't act on spoofing yet.

DKIM alignment: all 2 observed emails sign with a domain aligned with quironsalud.es (quironsalud.es). 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.

Retarus ✓ confirmed

Other SPF authorizations

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.

ActiveCampaign Microsoft 365

Probed: quironsalud.es

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.

FolderCountShare
inbox 2 100.0%

Placement by ESP

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 %
Retarus 2
100.0% 0.0% 0.0%

ESP activity over time

May 25 – May 29, 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 Retarus: 1 (2026-05-25)1Retarus: 1 (2026-05-29)105/2505/2605/2705/2805/29
Retarus

Similar brands using Retarus

Sending IPs

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

IPHostnameObsReputation
185.215.218.32 mailwsout-c1731.transactional-mail-d.com 2 Check →

Per-IP inbox / promotions / spam is being collected and will appear here as new emails are observed.

Sending domains

DomainESPs detectedDelivery (7d)
quironsalud.esRetarus 2