ccmc.edu.cn - robtex.com
ccmc.edu.cn
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.service.edu.cn ⭐ | ||||||
| A | 2001:da8:257:2222::8888🇨🇳 ERX-CERNET-BKB2001:da8:257::/48 | ||||||
| A | 202.112.5.49🇨🇳 ERX-CERNET-BKB202.112.0.0/16 | ||||||
| PTR | ns1.service.edu.cn | ||||||
| NS | ns2.service.edu.cn | ||||||
| A | 2001:da8:257:1111::8888🇨🇳 ERX-CERNET-BKB2001:da8:257::/48 | ||||||
| A | 202.112.4.49🇨🇳 CNGI-BJ-IX2-AS-AP202.112.4.0/24 CMI (Customer Route) | ||||||
| PTR | ns2.service.edu.cn | ||||||
| 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=spf1 include:spf.163.com -all | ||||||
| SOA | ns1.service.edu.cnserv@cernet.com serial=2794292755 | ||||||
edu.cn
| DNSSEC | ⚠️ Not signed | ||||||
| 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 2026-04-24 #17 | ||||||
Same first word
Similar names
DNS History
3 records (3 active, 0 former)
●NSns1.service.edu.cn2026-04-06 → 2026-04-24 · 2 obs
● 2026-04-24 12:15:50
●NSns2.service.edu.cn2026-04-06 → 2026-04-24 · 2 obs
● 2026-04-24 12:15:50
●MXxchzmx01.mxmail.netease.com2026-04-06 → 2026-04-24 · 2 obs
● 2026-04-24 12:15:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | b.dns.cn, a.dns.cn, e.dns.cn, c.dns.cn... | - |
| edu.cn | dns.edu.cn, ns2.cernet.net, ns4.cernet.net, ns5.cernet.net... | 6 records |
| ccmc.edu.cn | ns1.service.edu.cn, ns2.service.edu.cn | 4 records |
✅ Authoritative Response
Server:202.112.4.49
NS records: ns1.service.edu.cn, ns2.service.edu.cn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ccmc.edu.cn (unsigned zone)
⏱️ Timing
Total: 3540ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns1.service.edu.cn, ns2.service.edu.cn |
| MX | 1 | xchzmx01.mxmail.netease.com (pri: 5) |
| TXT | 1 | v=spf1 include:spf.163.com -all |
| SOA | 1 | ns1.service.edu.cn serv.cernet.com |
📌 Glue Records Collected
Total: 10
In-bailiwick: 6 (dns.edu.cn, dns.edu.cn, dns2.edu.cn...)
Out-of-bailiwick: 4 (ns2.service.edu.cn, ns1.service.edu.cn, ns2.service.edu.cn...)
Analysis
Name Servers
Two name servers ns1.service.edu.cn and ns2.service.edu.cn handle the delegation for ccmc.edu.cn.
ccmc.edu.cn shares the same name server setup as other domains, for example bszy.edu.cn, ncct.edu.cn, nue.edu.cn, ncwu.edu.cn and sxvuct.edu.cn.
ccmc.edu.cn at least partially shares name servers with other domains, for example hbafa.edu.cn, jvcit.edu.cn and syuct.edu.cn.
Host names with two IP numbers:
ns1.service.edu.cn points to 2001:da8:257:2222::8888 and 202.112.5.49.
ns2.service.edu.cn points to 2001:da8:257:1111::8888 and 202.112.4.49.
Mail Servers
The xchzmx01.mxmail.netease.com mail server handles ccmc.edu.cn.
ccmc.edu.cn shares the same mail server setup as other domains, including cicc.org.cn, topwinfr.com.cn, ccmusic.edu.cn, cjgz.edu.cn and ebasset.com.
ccmc.edu.cn shares at least partially some mail servers with other domains, for instance nbrcg.com, nit.zju.edu.cn, zjnu.cn, juhua.com and cct.edu.cn.
these mail servers are commonly used with hzmx01.mxmail.netease.com.
xchzmx01.mxmail.netease.com points to two IP numbers: 47.251.52.173 and 47.254.122.172.