cppu.edu.cn - dns.ninja
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 ⭐ | ||||||
| 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 2026-06-26 #20 | ||||||
rank #13943 in the tld
WOT: SAFE (85/100)
Subdomains
dns.cppu.edu.cn |
Same first word
Similar names
DNS History
2 records (2 active, 0 former)
●NSdns.cppu.edu.cn2026-03-19 → 2026-06-27 · 2 obs
● 2026-06-27 18:41:14
●MXxchzmx01.mxmail.netease.com2026-03-19 → 2026-06-27 · 2 obs
● 2026-06-27 18:41:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | d.dns.cn, b.dns.cn, a.dns.cn, c.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: 4750ms | 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
Hierarchy
cppu.edu.cn is a parent domain of dns.cppu.edu.cn.
Name Servers
cppu.edu.cn is delegated to a single name server: dns.cppu.edu.cn.
dns.cppu.edu.cn points to two IP addresses: 202.206.176.53 and 2001:250:82c:53::6666.
Mail Servers
cppu.edu.cn has one mail server: xchzmx01.mxmail.netease.com.
cppu.edu.cn shares the same mail server setup as other domains, including liugong.cn, tccu.edu.cn, smhc.org.cn and two others.
cppu.edu.cn shares mail servers — at least in part — with other domains, including suibe.edu.cn, sues.edu.cn, nb.ccic.com and two others.
These mail servers are frequently seen alongside the mail servers hzmx01.mxmail.netease.com.