Best guess: University of Pennsylvania. The label exactly matches the school name, and a priority-window .PAY registration would fit a trademarked institution name used for tuition, donations, or other payment portals.
.PAY domain
bookon.pay
Checking availability…
Frequently asked questions about bookon.pay
When does the .PAY LRP1 period begin for a bank or credit union?
ICANN currently lists .PAY Limited Registration Period 1 from July 20, 2026 to February 1, 2027. LRP1 has payment-transaction eligibility and use restrictions. Check your domain path through domain.pay: https://domain.pay/register.
Should a small business bother with TMCH before registering bookon.pay?
If your small business owns the bookon trademark and wants the strongest claim on bookon.pay, recording it in the TMCH is worthwhile because the SMD grants priority over the public. Without it, you rely on a standard pre-order that a rights holder can outrank. Weigh the priority path against pre-order at https://domain.pay/pricing.
Should a checkout product manager protect its exact brand in .PAY for in-app purchases?
If your brand accepts payments, registering the exact .PAY label can be a practical defensive step. Use domain.pay to check and start the priority or pre-order path: https://domain.pay/register. Also keep trademark monitoring and security controls in place.
Does bookon.pay have any naming restrictions I should know about?
The .PAY registry, run by Amazon Registry Services, may reserve or restrict certain strings, and the domain.pay flow flags any such status for bookon when you search. If bookon.pay is unrestricted, you can proceed with a pre-order. Check bookon.pay status at https://domain.pay/register.
As an event ticketing business, when should an event ticketing business pre-order a .PAY domain?
Current ICANN dates: .PAY Sunrise is April 13–July 20, 2026; LRP1 is July 20, 2026–February 1, 2027; Trademark Claims is February 1–May 2, 2027. For registration or pre-order action, use domain.pay: https://domain.pay/register.
Availability is checked live and re-verified before payment. Pre-orders are first-day registration attempts — registration is not guaranteed; 100% credit toward another domain (or 80% cash refund) if unsuccessful.