MailerSend

esp 🇺🇸 US

Transactional email API by MailerLite team.

7,773SPF-authorising domains

1.248%of all SPF domains in Tranco top-1M

326distinct TLDs

2026-04-28snapshot date

Historical Share

com — 3,429 (44.1%)

pl — 468 (6.0%)

org — 342 (4.4%)

net — 208 (2.7%)

lt — 179 (2.3%)

io — 166 (2.1%)

co.uk — 137 (1.8%)

nl — 134 (1.7%)

com.br — 130 (1.7%)

hu — 114 (1.5%)

de — 113 (1.5%)

gr — 88 (1.1%)

eu — 78 (1.0%)

cz — 78 (1.0%)

co — 76 (1.0%)

ai — 64 (0.8%)

it — 62 (0.8%)

ro — 53 (0.7%)

com.au — 52 (0.7%)

fr — 50 (0.6%)

lv — 50 (0.6%)

si — 49 (0.6%)

be — 47 (0.6%)

sk — 46 (0.6%)

es — 45 (0.6%)

ca — 44 (0.6%)

edu — 42 (0.5%)

cl — 41 (0.5%)

fi — 38 (0.5%)

app — 38 (0.5%)

Showing 100 of 7,773 domains. Sample sorted by length (shortest first).