IDNs with active name servers

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To be capable of supporting any language content, a domain name must have active services. Overall, the percentage of IDNs with active services (nameservers or email) per TLD in our analysis is 49%. The rate of active nameservers for IDNs at the second level (61%) is higher than that of IDNs at the top level (31%).  

Results vary widely depending on the level of the IDN, script and individual TLDs.

IDNs at the second level

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On average, the rate of active nameservers for IDNs at the second level is 61%.  Looking at the 20 largest second level IDNs spaces, .com (the largest) has an active rate of 65%, and .eu 75%. The highest rate of active nameservers was seen in .berlin (94%) and the lowest .sport (0%).

IDNs at the top level

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On average, the rate of active nameservers for IDNs at the top level is 31%.  The 20 largest top level IDN spaces show a wide range of active rates, from 93% in קום to 21% in .ею.

The purpose of this analysis is not to pass any judgement on the usage rates within a particular TLD, but to eliminate from further analysis those domains categorized as inactive.