cntextech.org.cn - robtex.com
cntextech.org.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 211.147.7.106🇨🇳 DXTNET211.147.4.0/22 | ||||||
| NS | ns2.cntextech.org.cn ⭐ | ||||||
| NS | ns1.ctei.cn | ||||||
| A | 211.147.7.102🇨🇳 DXTNET211.147.4.0/22 | ||||||
| NS | ns2.ctei.cn | ||||||
| MX | mxbiz1.qq.com ⭐ | ||||||
| MX | mxbiz2.qq.com(10) | ||||||
| TXT | v=spf1include:spf.mail.qq.com~all | ||||||
| SOA | ns2.cntextech.org.cnadmin@ctei.cn 2013-01-07 #27 | ||||||
org.cn
| DNSSEC | ⚠️ Not signed | ||||||
| NS | a.dns.cn ⭐ ⚠️ Not in parent delegation | ||||||
| NS | b.dns.cn ⚠️ Not in parent delegation | ||||||
| NS | c.dns.cn ⚠️ Not in parent delegation | ||||||
| NS | cns.cernet.net ⚠️ Not in parent delegation | ||||||
| NS | d.dns.cn ⚠️ Not in parent delegation | ||||||
| NS | e.dns.cn ⚠️ Not in parent delegation | ||||||
| SOA | a.dns.cnroot@cnnic.cn serial=2027885067 | ||||||
Subdomains
ns2.cntextech.org.cn |
Same first word
cntextech.org.cn |
Similar names
DNS History
8 records (6 active, 2 former)
●NSns2.cntextech.org.cn2015-07-23 → 2026-08-01 · 2 obs
● 2026-08-01 13:59:18
○MXmail.cntextech.org.cn2015-07-23 → 2017-05-17 · 4 obs
● 2017-05-17 12:45:56
○ 2026-07-27 21:08:32
○ 2026-08-01 13:59:18
●MXmxbiz1.qq.com2026-07-27 → 2026-08-01 · 3 obs
● 2026-07-27 21:08:32
● 2026-08-01 13:59:18
●MXmxbiz2.qq.com2026-07-27 → 2026-08-01 · 3 obs
● 2026-07-27 21:08:32
● 2026-08-01 13:59:18
●A211.147.7.1062026-07-27 → 2026-08-01 · 3 obs
● 2026-07-27 21:08:32
● 2026-08-01 13:59:18
○A211.147.7.962015-07-23 → 2017-05-17 · 4 obs
● 2017-05-17 12:45:56
○ 2026-07-27 21:08:32
○ 2026-08-01 13:59:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | e.dns.cn, a.dns.cn, b.dns.cn, c.dns.cn... | - |
| cntextech.org.cn | ns1.ctei.cn, ns2.ctei.cn | - |
✅ Authoritative Response
Server:211.147.7.102
NS records: ns1.ctei.cn, ns2.ctei.cn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cntextech.org.cn (unsigned zone)
⏱️ Timing
Total: 4029ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 211.147.7.106 |
| NS | 2 | ns2.ctei.cn, ns1.ctei.cn |
| MX | 2 | mxbiz1.qq.com (pri: 5), mxbiz2.qq.com (pri: 10) |
| TXT | 1 | v=spf1include:spf.mail.qq.com~all |
| SOA | 1 | ns2.cntextech.org.cn admin.ctei.cn |
Analysis
Hierarchy
cntextech.org.cn is the parent zone for ns2.cntextech.org.cn.
IP Addresses
cntextech.org.cn has exactly one IP address — 211.147.7.106.
www.cnita.org.cn, zgjfindex.com, ctes.cn plus two other host names have IP numbers in common with cntextech.org.cn.
Name Servers
cntextech.org.cn carries NS records delegating to ns1.ctei.cn, ns2.ctei.cn and ns2.cntextech.org.cn.
cntextech.org.cn partially shares its NS delegation with several other domains, including ctei.cn, ctea-ctea.org.cn, cteda.org.cn and two others.
These name servers regularly co-occur with the name servers ns2.textilephoto.cn, ns2.texbook.cn and ns2.ttmtex.cn.
Host names resolving to a single IP address:
The hostname ns1.ctei.cn resolves to 211.147.7.102.
Mail Servers
cntextech.org.cn uses two mail servers, mxbiz1.qq.com and mxbiz2.qq.com.
The mail server setup of cntextech.org.cn matches that of other domains such as hmtgo.com, marseau.com, gansculture.com and two others.
cntextech.org.cn uses mail servers that are also used by other domains, including dmoinmachinery.com, 1918.net.cn and huijiame.com.