Pantheon SaaS sender

According to Live Direct Marketing's daily Tranco top-1M scan (September 24, 2026), Pantheon is the SaaS sender for 83 domains — 0.01% of 637,420 SPF-publishing domains. Detection method: include: mechanisms in the SPF record.

Key facts

Why Pantheon appears in this category

Pantheon — managed WordPress and Drupal hosting platform whose local MTA can send site email.

We classify it as a SaaS sender from include: mechanisms in the SPF record matching a maintained provider rule. This is infrastructure attribution from public DNS, not evidence of a direct contract or exclusive use.

What the data shows

78.3% of its domains sit outside the top 100,000 — a long-tail footprint spread across smaller sites. It spans 10 TLDs, led by .org (38.6%) — a broad, internationally distributed base. The service most often seen alongside it is Google Workspace (mailbox provider), on 38.6% of its domains.

Where Pantheon sits in the Tranco ranking

Tranco rank bandDomainsShare of its base
Top 1,00000.0%
Top 10,00000.0%
Top 100,0001821.7%
Top 1,000,0006578.3%
Unranked00.0%

Top-level domain split

TLDDomainsShare
.org3238.6%
.com2833.7%
.edu1113.3%
.gov33.6%
.de22.4%
.ac.uk22.4%
.ca22.4%
.org.uk11.2%
.coop11.2%
.info11.2%

What Pantheon users also use

Cross-tabulated from the same daily snapshot — the other email services seen on the same 83 domains.

TypeServiceDomainsShare of Pantheon users
MailboxGoogle Workspace3238.6%
MailboxMicrosoft 3653137.3%
MailboxBarracuda44.8%
MailboxProofpoint Essentials44.8%
MailboxMimecast33.6%
MailboxProofpoint22.4%

See the full Pantheon data page (KPI cards, trend, sample domains) →

Are your emails landing in spam?
Run a free inbox-placement test across Gmail, Outlook, Yahoo and more — see exactly where your mail lands and why.
Test inbox placement →

Frequently asked questions

How many domains use Pantheon?

83 domains in the Tranco top-1M use Pantheon as their SaaS sender as of September 24, 2026 (0.01% of SPF-publishing domains), according to Live Direct Marketing's daily DNS scan.

Is Pantheon common enough to affect email deliverability testing?

Pantheon accounts for 0.01% of SPF-publishing domains in the top 1M. Whether you should seed a test mailbox there depends on how much of your audience it represents — the co-usage table above shows the services it appears alongside most.

Which countries or TLDs use Pantheon most?

Pantheon's largest TLD is .org (38.6% of its domains); it appears across 10 TLDs in total.

Other SaaS senders

Shopify (0.84%)Pardot (Salesforce) (0.75%)CodeTwo Email Signatures 365 (0.71%)KnowBe4 (0.54%)Statuspage (Atlassian) (0.33%)Trustpilot (0.30%)Firebase (Google) (0.29%)Atlassian (Jira/Confluence) (0.28%)BigCommerce (0.27%)Lark / Feishu (0.20%)