zkstem.cn - robtex.com
zkstem.cn
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.sfn.cn ⭐ | ||||||
| A | 111.63.77.29🇨🇳 CMNET-V4HEBEI-AS-AP111.63.64.0/20 CMI (Customer Route) | ||||||
| NS | ns2.sfn.cn | ||||||
| A | 101.37.119.99🇨🇳 Alibaba-Cloud101.37.0.0/17 | ||||||
| A | 111.63.77.30🇨🇳 CMNET-V4HEBEI-AS-AP111.63.64.0/20 CMI (Customer Route) | ||||||
| MX | mxdomain.qq.com ⭐ | ||||||
| SOA | ns1.sfn.cnroot@ns1.sfn.cn 2026-05-10 #22 | ||||||
cn
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.dns.cn ⭐ | ||||||
| NS | b.dns.cn | ||||||
| NS | c.dns.cn | ||||||
| NS | d.dns.cn | ||||||
| NS | e.dns.cn | ||||||
| NS | ns.cernet.net ⚠️ Not in parent delegation | ||||||
| SOA | a.dns.cnroot@cnnic.cn serial=2034775952 | ||||||
Same first word
Similar names
DNS History
3 records (3 active, 0 former)
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | d.dns.cn, e.dns.cn, a.dns.cn, c.dns.cn... | - |
| zkstem.cn | ns1.sfn.cn, ns2.sfn.cn | 3 records |
✅ Authoritative Response
Server:101.37.119.99
NS records: ns1.sfn.cn, ns2.sfn.cn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for zkstem.cn (unsigned zone)
⏱️ Timing
Total: 1028ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns1.sfn.cn, ns2.sfn.cn |
| MX | 1 | mxdomain.qq.com (pri: 10) |
| SOA | 1 | ns1.sfn.cn root.ns1.sfn.cn |
📌 Glue Records Collected
Total: 3
Out-of-bailiwick: 3 (ns1.sfn.cn, ns2.sfn.cn, ns2.sfn.cn)
Analysis
Name Servers
zkstem.cn is delegated to two name servers: ns1.sfn.cn and ns2.sfn.cn.
zkstem.cn shares the same name server setup as other domains, for example cnita.org.cn, cng.com.cn, okrj.com.cn, cqicpa.org.cn and qgzb.gov.cn.
zkstem.cn at least partially shares its name servers with other domains, for instance sanhestar.com.cn.
Host names with two IP numbers: ns2.sfn.cn points to 101.37.119.99 and 111.63.77.30.
Host names with one IP number: ns1.sfn.cn points to 111.63.77.29.
Mail Servers
zkstem.cn is handled by a single mail server, mxdomain.qq.com.
zkstem.cn shares the same mail server setup as other domains, for instance epopos.com, 28ec.com, joez.me, i.com.do and bh5.com.
zkstem.cn shares some mail servers with other domains, at least partially, for instance kemppisteel.com and batthr.com.