CF1759794251711-tsm20251005211530

WWW.ROBTEX.COM - class.cn

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class.cn checked at 2025-10-06T23:44:11.682Z 3816ms 95/95/95 100% R:21

class.cn

MXmail.class.cn
A202.205.109.207🇨🇳 CERNET-CN
PTRipaddr207.cernet.cn
NSdns1.resource.edu.cn
A2001:da8:20d:22::8🇨🇳 China Next Generation Internet CERNET2
A202.205.109.1🇨🇳 CERNET-CN
PTRdns1.cernet.cn
PTRipaddr001.cernet.cn
PTRdns1.cer.net
PTRdns1.resource.edu.cn
PTRdns1.source.edu.cn
NSdns2.resource.edu.cn
A202.205.11.70🇨🇳 CERNET-CN
A202.205.109.10🇨🇳 CERNET-CN
PTRipaddr010.cernet.cn
A202.205.109.69🇨🇳 CERNET-CN
PTRmailgate.eol.cn

cn

NSa.dns.cn
NSb.dns.cn
NSc.dns.cn
NSd.dns.cn
NSe.dns.cn
NSns.cernet.net
rank #667075 globally
rank #9886 in the tld

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Starts with same word

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AI analysis

class.cn is a parent of cache.class.cn and mail.class.cn.

class.cn points to IP number 202.205.109.69.

class.cn is delegated to two name servers: dns1.resource.edu.cn and dns2.resource.edu.cn.

class.cn uses the same name server setup as other domains such as cahe.edu.cn, book.cn, resource.edu.cn, eol.edu.cn and www.edu.cn.

Host names with two IP numbers:

dns1.resource.edu.cn points to 2001:da8:20d:22::8 and 202.205.109.1; dns2.resource.edu.cn points to 202.205.11.70 and 202.205.109.10.

class.cn is handled by a single mail server, mail.class.cn.

mail.class.cn points to a single IP: 202.205.109.207.

Perform reverse DNS lookup as well as normal forward DNS. Check Autonomous System Numbers (ASNs) and BGP connections between Internet Service Providers.
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ZStSwKX CF johedugfp 2025-10-06