Dyn / Oracle (sender)

gateway 🇺🇸 US

Dyn (now Oracle) DNS/email infrastructure SPF.

872SPF-authorising domains

0.14%of all SPF domains in Tranco top-1M

60distinct TLDs

2026-04-28snapshot date

TLD Distribution (top 30 of 60)

com — 320 (36.7%)

org — 158 (18.1%)

edu — 97 (11.1%)

gov — 44 (5.0%)

de — 36 (4.1%)

ca — 31 (3.6%)

cz — 23 (2.6%)

net — 17 (1.9%)

org.uk — 13 (1.5%)

co.uk — 12 (1.4%)

fi — 11 (1.3%)

com.au — 10 (1.1%)

nl — 7 (0.8%)

com.br — 7 (0.8%)

se — 7 (0.8%)

dk — 5 (0.6%)

at — 5 (0.6%)

org.au — 4 (0.5%)

sk — 4 (0.5%)

us — 4 (0.5%)

eu — 4 (0.5%)

fr — 3 (0.3%)

edu.au — 3 (0.3%)

ac.uk — 3 (0.3%)

gov.au — 3 (0.3%)

travel — 2 (0.2%)

pl — 2 (0.2%)

io — 2 (0.2%)

xxx — 2 (0.2%)

to — 2 (0.2%)

Showing 100 of 872 domains. Sample sorted by length (shortest first).