Sommerhus.dk was sold through the Sedo domain name marketplace for 87,500 EUR ( $115,000).Sommerhus means Summer in danish and .DK is the ccTLD for Denmark. Another notable domain name sale is Hot.net,which was sold for  56,750 EUR.According to whois records the seller seems to be Digital Dataflow and the new owner is Patrick Draki.

Another notable domain name sales include :


everydayhealth.de    5,000 USD
workreference.com    2,999 USD
gold7.com    1,500 USD
organicmagic.com    3,899 USD
skillcloud.com    1,900 USD
weve.com    10,000 GBP
havinga.com    2,250 EUR
labeldating.com    4,500 USD
arinna.com    2,000 USD
gigolo.de    2,500 EUR
visitnewyork.co.uk    2,750 USD
nupogodi.com    1,031 USD
gofurther.com    10,000 USD
lenti.info    2,000 EUR
puccini.com    10,000 USD
weve.com    10,000 GBP
job1.de    1,500 EUR
freefitness.com    2,500 USD
facetours.com    7,520 USD
voltus.com    5,000 EUR

Source from http://www.domainnews.com

Now the .asia domain only cost 6.9 USD for the first year
other domain name you may need.
.com  only  USD  9.77/year
.net   only  USD  9.77/year
.hk    only  USD  22.63/year

To register your own domain name, check out :
http://www.eranet.com
http://partner.eranet.com