sdcit.edu.cn - robtex.com
sdcit.edu.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 42.247.44.66🇨🇳 ERX-CERNET-BKB42.247.44.0/24 | ||||||
| NS | dns1.sd.edu.cn ⭐ | ||||||
| A | 2001:da8:7002:f801:202:197:97:150🇨🇳 ERX-CERNET-BKB2001:da8:7002::/48 | ||||||
| A | 202.194.97.150🇨🇳 ERX-CERNET-BKB202.194.96.0/22 | ||||||
| NS | dns2.sd.edu.cn | ||||||
| A | 2001:da8:7002:f801:202:197:97:151🇨🇳 ERX-CERNET-BKB2001:da8:7002::/48 | ||||||
| A | 202.194.97.151🇨🇳 ERX-CERNET-BKB202.194.96.0/22 | ||||||
| MX | mail.ksomail.com ⭐ | ||||||
| SOA | dns1.sd.edu.cnadmin@admin.com serial=1784540841 | ||||||
edu.cn
| DNSSEC | ⚠️ Not signed | ||||||
| NS | dns2.edu.cn ⭐ | ||||||
| NS | dns.edu.cn | ||||||
| NS | dns3.edu.cn | ||||||
| NS | ns2.cernet.net ⚠️ Not in parent delegation | ||||||
| NS | ns4.cernet.net ⚠️ Not in parent delegation | ||||||
| NS | ns5.cernet.net ⚠️ Not in parent delegation | ||||||
| SOA | dns.edu.cnhostmaster@net.edu.cn 2026-07-20 #15 | ||||||
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●MXmail.ksomail.com2026-04-27 → 2026-07-20 · 2 obs
● 2026-07-20 23:40:48
●A42.247.44.662026-04-27 → 2026-07-20 · 2 obs
● 2026-07-20 23:40:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | c.dns.cn, a.dns.cn, b.dns.cn, e.dns.cn... | - |
| edu.cn | dns.edu.cn, ns2.cernet.net, ns4.cernet.net, ns5.cernet.net... | 6 records |
| sdcit.edu.cn | dns2.sd.edu.cn, dns1.sd.edu.cn | 4 records |
✅ Authoritative Response
Server:202.194.97.151
NS records: dns2.sd.edu.cn, dns1.sd.edu.cn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sdcit.edu.cn (unsigned zone)
⏱️ Timing
Total: 4398ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 42.247.44.66 |
| NS | 2 | dns2.sd.edu.cn, dns1.sd.edu.cn |
| MX | 1 | mail.ksomail.com (pri: 5) |
| SOA | 1 | dns1.sd.edu.cn admin.admin.com |
📌 Glue Records Collected
Total: 10
In-bailiwick: 6 (dns.edu.cn, dns.edu.cn, dns2.edu.cn...)
Out-of-bailiwick: 4 (dns2.sd.edu.cn, dns1.sd.edu.cn, dns2.sd.edu.cn...)
Analysis
IP Addresses
sdcit.edu.cn points to a single IP number: 42.247.44.66.
Name Servers
Two name servers handle the delegation for sdcit.edu.cn: dns1.sd.edu.cn and dns2.sd.edu.cn.
sdcit.edu.cn shares its name server setup with other domains, including sdcivc.edu.cn, jnzyjsxy.edu.cn, tskjxy.edu.cn and two others.
There is at least partial name server overlap between sdcit.edu.cn and other domains — sdxd.edu.cn, tsu.edu.cn, sd.edu.cn and two more among them.
These name servers are routinely deployed together with the name servers dns.sd.edu.cn.
dns1.sd.edu.cn and dns2.sd.edu.cn both carry two IP addresses. The A records for dns1.sd.edu.cn are 202.194.97.150 and 2001:da8:7002:f801:202:197:97:150; the A records for dns2.sd.edu.cn are 202.194.97.151 and 2001:da8:7002:f801:202:197:97:151.
Mail Servers
sdcit.edu.cn has one mail server: mail.ksomail.com.
sdcit.edu.cn shares the same mail server setup as other domains, including bamstc.com, lszyxy.edu.cn, cnpurity.cn and two others.
sdcit.edu.cn shares mail servers — at least in part — with other domains, including ccndt.cn, wsu.edu.cn, ctce.com.cn and two others.
These mail servers are frequently seen alongside the mail servers mxbiz1.qq.com.