| Introduced | 1997 |
|---|---|
| TLD type | Country code top-level domain |
| Status | Active |
| Registry | Christmas Island Internet Administration (CIIA) |
| Sponsor | Christmas Island Internet Administration (CIIA) |
| Intended use | Entities connected with  Christmas
Island |
| Actual use | Used for a wide assortment of sites, mostly not in Christmas Island |
| Registration restrictions | None |
| Structure | Registrations can be made directly at second level; some third-level names exist for Christmas Island sites such as governmental sites in .gov.cx |
| Documents | Registration agreement |
| Dispute policies | Dispute policy; CoCCA dispute policy |
| Website | nic.cx |
.cx is the country code top-level domain (TLD) for Christmas Island. It is administered by CIIA (Christmas Island Internet Administration), a community-owned non-profit company which also provides Internet service to the island's residents.
The TLD was formerly administered by Planet Three Limited, a company with offices in the United Kingdom and Australia, which went bankrupt and ceased operations, voluntarily transferring management to CIIA (called Dot CX Limited at the time). The local (shire) government of Christmas Island endorsed the transfer, but the Commonwealth of Australia (which has international authority over Christmas Island as an external territory) did not immediately approve it. Australia has since published a Memorandum of Understanding which recognizes CIIA as the legitimate manager of .cx. The domain achieved a certain degree of notoriety when it was used for the shock site goatse.cx.
. + ISO 3166-1 country code for Christmas Island, cx.
.cx
| Country code top-level domains | ||
| Active: .ac .ad .ae .af .ag .ai .al .am .an .ao .aq .ar .as .at .au .aw .ax .az .ba .bb .bd .be .bf .bg .bh .bi .bj .bm .bn .bo .br .bs .bt .bw .by .bz .ca .cc .cd .cf .cg .ch .ci .ck .cl .cm .cn .co .cr .cu .cv .cx .cy .cz .de .dj .dk .dm .do .dz .ec .ee .eg .er .es .et .eu .fi .fj .fk .fm .fo .fr .ga .gd .ge .gf .gg .gh .gi .gl .gm .gn .gp .gq .gr .gs .gt .gu .gw .gy .hk .hm .hn .hr .ht .hu .id .ie .il .im .in .io .iq .ir .is .it .je .jm .jo .jp .ke .kg .kh .ki .km .kn .kp .kr .kw .ky .kz .la .lb .lc .li .lk .lr .ls .lt .lu .lv .ly .ma .mc .md .me .mg .mh .mk .ml .mm .mn .mo .mp .mq .mr .ms .mt .mu .mv .mw .mx .my .mz .na .nc .ne .nf .ng .ni .nl .no .np .nr .nu .nz .om .pa .pe .pf .pg .ph .pk .pl .pn .pr .ps .pt .pw .py .qa .re .ro .rs .ru .rw .sa .sb .sc .sd .se .sg .sh .si .sk .sl .sm .sn .sr .st .su .sv .sy .sz .tc .td .tf .tg .th .tj .tk .tl .tm .tn .to .tr .tt .tv .tw .tz .ua .ug .uk .us .uy .uz .va .vc .ve .vg .vi .vn .vu .wf .ws .ye .za .zm .zw | ||
|
Reserved/unassigned: .um .bl .eh .mf Allocated/unused: .bv .gb .pm .sj .so .yt Phaseout: .tp .yu Deleted/retired: .bu .cs .dd .zr |
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See also: Generic top-level domains |
||
   | IANA .cx whois information - IANA — .cx — Domain Delegation Data |
| | CIIA - Christmas Island Internet Administration Limited |
| | COCCA - Council of Country Code Administrators - Council of Country Code Administrators Incorporated |
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