cppu.edu.cn - robtex.com
cppu.edu.cn
| DNSSEC | ⚠️ Not signed | ||||||
| NS | dns.cppu.edu.cn ⭐ | ||||||
| A | 2001:250:82c:53::6666🇨🇳 CNGI-SJZ-IX-AS-AP2001:250:82c::/48 | ||||||
| A | 202.206.176.53🇨🇳 ERX-CERNET-BKB202.200.0.0/13 | ||||||
| MX | xchzmx01.mxmail.netease.com ⭐ | ||||||
| A | 47.251.52.173🇺🇸 Alibaba-Cloud47.251.0.0/17 Proxy-registered route object | ||||||
| A | 47.254.122.172🇺🇸 Alibaba-Cloud47.254.64.0/18 Proxy-registered route object | ||||||
| TXT | v=spf1include:spf.163.com-all | ||||||
| SOA | dns.cppu.edu.cnroot@dns.cppu.edu.cn serial=20091525 | ||||||
edu.cn
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | dns2.edu.cn ⭐ | ||||||
| NS | dns.edu.cn | ||||||
| NS | dns3.edu.cn | ||||||
| NS | ns2.cernet.net | ||||||
| NS | ns4.cernet.net | ||||||
| NS | ns5.cernet.net | ||||||
| SOA | dns.edu.cnhostmaster@net.edu.cn 2026-03-24 #12 | ||||||
Same first word
Similar names
DNS History
2 records (2 active, 0 former)
●NSdns.cppu.edu.cn2026-03-19 → 2026-03-24 · 2 obs
● 2026-03-24 05:59:30
●MXxchzmx01.mxmail.netease.com2026-03-19 → 2026-03-24 · 2 obs
● 2026-03-24 05:59:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| edu.cn | dns.edu.cn, ns2.cernet.net, ns4.cernet.net, ns5.cernet.net... | 6 records |
| cppu.edu.cn | dns.cppu.edu.cn | 1 record |
✅ Authoritative Response
Server:202.206.176.53
NS records: dns.cppu.edu.cn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cppu.edu.cn (unsigned zone)
⏱️ Timing
Total: 2116ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 1 | dns.cppu.edu.cn |
| MX | 1 | xchzmx01.mxmail.netease.com (pri: 5) |
| TXT | 1 | v=spf1include:spf.163.com-all |
| SOA | 1 | dns.cppu.edu.cn root.dns.cppu.edu.cn |
📌 Glue Records Collected
Total: 7
In-bailiwick: 7 (dns.edu.cn, dns.edu.cn, dns2.edu.cn...)
Analysis
Name Servers
cppu.edu.cn is delegated to a single name server, dns.cppu.edu.cn.
Host name dns.cppu.edu.cn points to IPs 2001:250:82c:53::6666 and 202.206.176.53.
Mail Servers
cppu.edu.cn is handled by a single mail server, xchzmx01.mxmail.netease.com.
cppu.edu.cn shares the same mail server setup as other domains, including liugong.cn, smhc.org.cn, synu.edu.cn, chinaaie.com.cn and bfa.edu.cn.
cppu.edu.cn shares mail servers with other domains at least in part, for instance cdbsfund.com, suibe.edu.cn, sdju.edu.cn, csscfc.cn and sus.edu.cn.
these mail servers are commonly used alongside the mail servers hzmx01.mxmail.netease.com.
Host name xchzmx01.mxmail.netease.com points to IPs 47.251.52.173 and 47.254.122.172.