- DNS Info
- IP Info
- Whois
- RDAP
Start of Authority
mname: ns2.buct.edu.cn
rname: root.buct.edu.cn
serial: 2000004404
refresh: 3600 retry: 300
expire: 86400 minimum: 3600
serial: 2000004404
refresh: 3600 retry: 300
expire: 86400 minimum: 3600
Nameservers
Mail Exchangers
TXT Records
v=spf1 include:spf.163.com -all
A Records
222.199.255.27 >
222.199.224.0/19 >
AS4538 >
China Education and Research Network Center
222.199.255.27 > 222.199.0.0/16 > AS4538 > China Education and Research Network Center
222.199.255.27 > 222.192.0.0/12 > AS4538 > China Education and Research Network Center
222.199.255.27 > 222.199.0.0/16 > AS4538 > China Education and Research Network Center
222.199.255.27 > 222.192.0.0/12 > AS4538 > China Education and Research Network Center
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