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Dirk-jan’s personal blog, mostly containing research on topics I find interesting, such as (Azure) Active Directory internals, protocols and vulnerabilities.

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Free online network tools, including traceroute, nslookup, dig, whois, ping, and our own Domain Dossier and Email Dossier. Works with IPv6.

IP归属地查询是一个iP地址查询网站,通过IP查询出具体的归属地、运营商、网络类型等数据，IP属地查询支持ipV4和ipV6各类ip地址查询。

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