csrd.edu.cn - robtex.com
csrd.edu.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 58.205.211.61🇨🇳 ERX-CERNET-BKB58.200.0.0/13 CERNET | ||||||
| NS | ns.csrd.edu.cn ⭐ | ||||||
| NS | dns1.cutech.edu.cn | ||||||
| A | 58.205.208.7🇨🇳 ERX-CERNET-BKB58.200.0.0/13 CERNET | ||||||
| NS | dns2.cutech.edu.cn | ||||||
| A | 58.205.208.7🇨🇳 ERX-CERNET-BKB58.200.0.0/13 CERNET | ||||||
| MX | hzmx01.mxmail.netease.com ⭐ | ||||||
| A | 47.251.71.119🇺🇸 Alibaba-Cloud47.251.0.0/17 Proxy-registered route object | ||||||
| A | 47.251.84.126🇺🇸 Alibaba-Cloud47.251.0.0/17 Proxy-registered route object | ||||||
| MX | hzmx02.mxmail.netease.com(10) | ||||||
| A | 47.251.71.119🇺🇸 Alibaba-Cloud47.251.0.0/17 Proxy-registered route object | ||||||
| A | 47.251.84.126🇺🇸 Alibaba-Cloud47.251.0.0/17 Proxy-registered route object | ||||||
| TXT | v=spf1 include:spf.163.com -all | ||||||
| SOA | ns.csrd.edu.cnpostmaster@csrd.edu.cn 2026-07-21 #3 | ||||||
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 2026-07-24 #69 | ||||||
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●NSdns1.cutech.edu.cn2026-06-24 → 2026-07-26 · 2 obs
● 2026-07-26 21:48:26
●NSdns2.cutech.edu.cn2026-06-24 → 2026-07-26 · 2 obs
● 2026-07-26 21:48:26
●NSns.csrd.edu.cn2026-06-24 → 2026-07-26 · 2 obs
● 2026-07-26 21:48:26
●MXhzmx01.mxmail.netease.com2026-06-24 → 2026-07-26 · 2 obs
● 2026-07-26 21:48:26
●MXhzmx02.mxmail.netease.com2026-06-24 → 2026-07-26 · 2 obs
● 2026-07-26 21:48:26
●A58.205.211.612026-06-24 → 2026-07-26 · 2 obs
● 2026-07-26 21:48:26
🔍 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 |
| csrd.edu.cn | dns2.cutech.edu.cn, dns1.cutech.edu.cn | 2 records |
✅ Authoritative Response
Server:58.205.208.7
NS records: dns2.cutech.edu.cn, dns1.cutech.edu.cn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for csrd.edu.cn (unsigned zone)
⏱️ Timing
Total: 1990ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 58.205.211.61 |
| NS | 2 | dns1.cutech.edu.cn, dns2.cutech.edu.cn |
| MX | 2 | hzmx02.mxmail.netease.com (pri: 10), hzmx01.mxmail.netease.com (pri: 5) |
| TXT | 1 | v=spf1 include:spf.163.com -all |
| SOA | 1 | ns.csrd.edu.cn postmaster.csrd.edu.cn |
📌 Glue Records Collected
Total: 8
In-bailiwick: 6 (dns.edu.cn, dns.edu.cn, dns2.edu.cn...)
Out-of-bailiwick: 2 (dns2.cutech.edu.cn, dns1.cutech.edu.cn)
Analysis
IP Addresses
csrd.edu.cn directs to one IP number, which is 58.205.211.61.
Name Servers
csrd.edu.cn is delegated to three name servers: ns.csrd.edu.cn, dns1.cutech.edu.cn and dns2.cutech.edu.cn.
csrd.edu.cn has name servers in common with a number of other domains — tol.edu.cn, kjh.edu.cn, meeting.edu.cn and paper.edu.cn among them.
These name servers are routinely co-deployed with the name servers kjfz1.eedu.edu.cn, ns.tol.edu.cn, ns.kjh.edu.cn and two others.
dns1.cutech.edu.cn and dns2.cutech.edu.cn both resolve to the same single IP address: 58.205.208.7.
dns1.cutech.edu.cn and dns2.cutech.edu.cn are host names that each point to 58.205.208.7 IP addresses.
Mail Servers
The MX records for csrd.edu.cn point to two mail servers: hzmx01.mxmail.netease.com and hzmx02.mxmail.netease.com.
csrd.edu.cn has the same mail server arrangement as a number of other domains, for example globeral.com, hzbmhq.com, tomorrowprint.com and two more.
csrd.edu.cn shares mail servers with at least some other domains, such as peopledaily.com.cn, sotond.com and shibo.net.
hzmx01.mxmail.netease.com and hzmx02.mxmail.netease.com each resolve to two IP addresses: 47.251.71.119 and 47.251.84.126.
hzmx01.mxmail.netease.com and hzmx02.mxmail.netease.com are host names that each point to 47.251.71.119 IP addresses.
hzmx01.mxmail.netease.com and hzmx02.mxmail.netease.com are host names that each point to 47.251.84.126 IP addresses.