Domain Registration policy to read before you buy a domain. This are the list in 1and1 which help you the overview which domain you want to buy online. When you transfer a domain in 1and1 the process time is between 5-7 days depending on the verification you have proven.
Top-level domain
Applicable terms and conditions:
.de
.com
.net
.org
.info
.biz
.eu
.us
.name
.mobi
.co.uk
.org.uk
.me.uk
.tv
.cc
.ag
.ws
.as
.dk
.nu
.ph
.lt
.lv
.to
.vu
.mx
Source:https://registrar.1and1.info/domains_raa/registration?