DNS Lookup

fudan.edu.cn

fudan.edu.cn 663 ms

A Records (IPv4)

175.186.248.54

AAAA Records (IPv6)

240c:c701:1:3513::54

MX Records (Mail)

1 mx-fudan-edu-cn.icoremail.net

10 mailrelay2.fudan.edu.cn

10 mailrelay1.fudan.edu.cn

NS Records (Nameservers)

ns4.fudan.edu.cn

ns3.fudan.edu.cn

ns2.fudan.edu.cn

ns1.fudan.edu.cn

TXT Records

v=spf1 ip4:202.120.224.0/24 ip4:61.129.42.0/24 ip4:202.120.241.1/29 ip4:202.120.242.1/29 ip4:202.120.243.1/29 ip4:202.120.244.1/29 ip4:202.120.246.1/29 ip6:2001:da8:8001::/48 include:spf.icoremail.net ~all

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Other reports for fudan.edu.cn

Security Headers

CSP, HSTS, X-Frame-Options grade for this site

SSL Certificate Checker

Inspect certificate validity, expiry, cipher suite, and chain — supports SNI.

Redirect Checker

Trace the full HTTP redirect chain, flag loops, and surface mixed-content downgrades.

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