Miro uses Braze for marketing email and SparkPost for transactional/notifications. They rank #2,196 in the Tranco list of most-popular domains. We've also observed sends via EcoSend. Email goes out from 5 different subdomains. Their email authentication setup is solid (score 95/100). 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 miro.com. Policy
p=quarantine means receivers actively block or quarantine spoofed mail.
SPF alignment: all 6 observed emails use a return-path aligned with miro.com (gsemail.miro.com). SPF authenticates the visible From — supports DMARC directly.
DKIM alignment: 98% of observed emails sign with an aligned DKIM key (product.miro.com, mail.miro.com, updates.miro.com); the rest sign with third-party keys (zendesk.com) where DMARC has to rely on SPF alignment.
VMC issued by: digicert.
TLS: 0% TLS 1.3, 100% TLS 1.2 (across 45 sends).
Delivery: fast — 96% 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).
EcoSend 4 Zendesk 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: miro.com, gsemail.miro.com, mail.miro.com, updates.miro.com, notification.miro.com, product.miro.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 | 121 | 98.4% |
| promotions | 2 | 1.6% |
Placement observed in Outlook / Microsoft 365 mailboxes. Focused Inbox splits mail into two tabs, "Focused" (inbox) and "Other", plus Junk. 100% reached the Focused inbox across 3 observed emails.
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 % |
|---|---|---|---|---|---|
| Braze | 15 | 86.7% | 13.3% | 0.0% | |
| SparkPost | 92 | 100.0% | 0.0% | 0.0% | |
| EcoSend | 4 | 100.0% | 0.0% | 0.0% | |
| Zendesk | 2 | 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 miro.com has been observed sending from, and where their mail landed in Gmail.
| IP | Hostname | Obs | Placement | Reputation |
|---|---|---|---|---|
| 137.22.240.244 | dj9rrpxi.product.miro.com |
45 | 8 | Check → |
| 137.22.240.227 | pgqiz4xq.notification.miro.com |
25 | 5 | Check → |
| 137.22.241.8 | iaopdcpu.mail.miro.com |
18 | 3 | Check → |
| 137.22.240.64 | dx0ujclz.mail.miro.com |
14 | 3 | Check → |
| 137.22.241.129 | io0qdn7s.notification.miro.com |
14 | 3 | Check → |
| 137.22.241.90 | ep3sd9mc.notification.miro.com |
11 | 2 | Check → |
| 188.172.138.9 | mta-out9.pod18.euc1.zdsys.com |
2 | — | Check → |
