HubSpot

esp 🇺🇸 US

HubSpot CRM/Marketing Hub email — popular SMB inbound marketing platform.

19,647SPF-authorising domains

3.154%of all SPF domains in Tranco top-1M

320distinct TLDs

2026-04-28snapshot date

Historical Share

com — 12,830 (65.3%)

org — 894 (4.6%)

io — 783 (4.0%)

de — 470 (2.4%)

ai — 445 (2.3%)

net — 322 (1.6%)

co.uk — 314 (1.6%)

co — 272 (1.4%)

com.br — 253 (1.3%)

com.au — 207 (1.1%)

fr — 155 (0.8%)

nl — 148 (0.8%)

edu — 128 (0.7%)

co.jp — 115 (0.6%)

it — 103 (0.5%)

ca — 101 (0.5%)

eu — 99 (0.5%)

jp — 96 (0.5%)

es — 75 (0.4%)

ch — 71 (0.4%)

app — 70 (0.4%)

se — 65 (0.3%)

be — 63 (0.3%)

fi — 57 (0.3%)

no — 51 (0.3%)

me — 48 (0.2%)

tech — 46 (0.2%)

cl — 46 (0.2%)

us — 46 (0.2%)

dk — 44 (0.2%)

Showing 100 of 19,647 domains. Sample sorted by length (shortest first).