'''Stichting Internet Domeinregistratie Nederland - SIDN''' provides registry services in Netherlands for [[.nl]] domains. It is [[ICANN]] accredited and is responsible for issuing all Dutch domain names. It has around 1900 registrars and ISPs operating under it. [[.nl]] is considered world's fourth largest and safest [[ccTLD]] with over 4 million domain names.<ref>[https://www.centr.org/main/about/members/1809-CTR.html centr]</ref> SIDN is having some issues regarding implementation of IPv6.<ref>[http://webwereld.nl/nieuws/107432/sidn-nl-faalt-met-ipv6-en-dnssec---update5.html webwereld]</ref> [[ICANN]] signed Accountability Framework for [[.nl]] [[TLD]] with SIDN in 2007.<ref>[http://www.web-hosting-top.com/news/19-icann-formalizes-relationship-with-cctld-manager-for-netherlands web-hosting-top]</ref>
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In English SIDN means Netherlands Domain Registration foundation.<ref>[http://www.f5.com/pdf/case-studies/sidn-cs.pdf f5]</ref>
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==Domain Names==
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Individuals can register second-level [[.nl]] domains since 2003 and third-level domains since 2000. SIDN discontinued the registration of personal domain names in 2007.<ref>[http://www.nominate.com/tldinformation/co.nl.shtml nominate]</ref>