Lookup domain:

  IPv4 IPv6
Web services (record for www.<domain>)
www.cernet2.edu.cn
yes yes
Alternative record for web over IPv6
Round Trip Fime (RTT) ? failed
Delta Round Trip Fime (RTTv6 – RTTv4)
DNS services (NS record) yes
Support for DNSSEC (DS record) no
Inserted into database 2011-12-07 11:46:10+00
Last update 2016-06-12 15:32:36+00

 

History for cernet2.edu.cn

web altweb mx spf ns dnssec
first check dual dual
2012-07-24 dual dual
2016-06-12 dual v6only

 

History of delta RTT (DRTT) for cernet2.edu.cn

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