| Domain Extension | Country | sa | Saudi Arabia | sb | Solomon Islands | sc | Seychelles | sd | Sudan | se | Sweden | sg | Singapore | sh | Saint Helena | si | Slovenia | sj | Svalbard and Jan Mayen Islands | sk | Slovak Republic | sl | Sierra Leone | sm | San Marino | sn | Senegal | so | Somalia | sr | Suriname | st | Sao Tome and Principe | su | USSR (former) | sv | El Salvador | sy | Syria | sz | Swaziland | tc | Turks and Caicos Islands | td | Chad | tf | French Southern Territories | tg | Togo | th | Thailand | tj | Tajikistan | tk | Tokelau | tm | Turkmenistan | tn | Tunisia | to | Tonga | tp | East Timor | tr | Turkey | tt | Trinidad and Tobago | tv | Tuvalu | tw | Taiwan | tz | Tanzania | ua | Ukraine | ug | Uganda | uk | United Kingdom | um | US Minor Outlying Islands | us | United States | uy | Uruguay | uz | Uzbekistan | va | Vatican City State | vc | Saint Vincent and the Grenadines | ve | Venezuela | vg | Virgin Islands (British) | vi | Virgin Islands (US) | vn | Viet Nam | vu | Vanuatu | wf | Wallis and Futuna Islands | ws | Samoa | ye | Yemen | yt | Mayotte | yu | Yugoslavia | za | South Africa | zm | Zambia | zr | Zaire | zw | Zimbabwe |
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