techgen.com.cn - robtex.com
techgen.com.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 | mxbiz1.qq.com ⭐ | ||||||
| MX | mxbiz2.qq.com(10) | ||||||
| TXT | v=spf1 include:spf.mail.qq.com ~all | ||||||
| TXT | google-site-verification=fkiAo1umExBmtB98cCthROZoIV2x2furhKfXGWe-9Mk | ||||||
| SOA | ns1.sfn.cnroot@ns1.sfn.cn 2026-07-28 #21 | ||||||
com.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=2030712921 | ||||||
Same first word
Similar names
DNS History
9 records (4 active, 5 former)
●NSns1.sfn.cn2015-10-24 → 2026-07-28 · 3 obs
● 2015-10-24 00:46:58
● 2026-07-28 18:26:58
●NSns2.sfn.cn2015-10-24 → 2026-07-28 · 3 obs
● 2015-10-24 00:46:58
● 2026-07-28 18:26:58
○NSns3.sanfront.com.cn2015-08-20 → 2015-09-12 · 4 obs
● 2015-09-12 12:49:04
○ 2015-10-24 00:46:58
○ 2026-07-28 18:26:58
○NSns5.sanfront.com.cn2015-08-20 → 2015-09-12 · 4 obs
● 2015-09-12 12:49:04
○ 2015-10-24 00:46:58
○ 2026-07-28 18:26:58
○MXmx.c1.icoremail.net2015-08-20 → 2017-10-29 · 4 obs
● 2017-10-29 17:18:04
○ 2026-06-09 06:39:06
○ 2026-07-28 18:26:58
●MXmxbiz1.qq.com2026-06-09 → 2026-07-28 · 7 obs
● 2026-06-09 06:39:06
○ 2026-07-16 08:14:00
● 2026-07-22 06:48:36
○ 2026-07-28 10:36:32
● 2026-07-28 18:26:56
● 2026-07-28 18:26:58
●MXmxbiz2.qq.com2026-06-09 → 2026-07-28 · 7 obs
● 2026-06-09 06:39:06
○ 2026-07-16 08:14:00
● 2026-07-22 06:48:36
○ 2026-07-28 10:36:32
● 2026-07-28 18:26:56
● 2026-07-28 18:26:58
○A103.15.217.832016-01-23 → 2017-10-29 · 5 obs
● 2016-01-23 03:39:08
● 2017-10-29 17:18:04
○ 2026-06-09 06:39:06
○ 2026-07-28 18:26:58
○A119.10.36.632015-08-20 → 2015-11-19 · 4 obs
● 2015-11-19 04:31:18
○ 2016-01-23 03:39:08
○ 2026-07-28 18:26:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| techgen.com.cn | ns1.sfn.cn, ns2.sfn.cn | - |
✅ Authoritative Response
Server:111.63.77.30
NS records: ns1.sfn.cn, ns2.sfn.cn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for techgen.com.cn (unsigned zone)
⏱️ Timing
Total: 2057ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns2.sfn.cn, ns1.sfn.cn |
| MX | 2 | mxbiz2.qq.com (pri: 10), mxbiz1.qq.com (pri: 5) |
| TXT | 2 | google-site-verification=fkiAo1umExBmtB9, v=spf1 include:spf.mail.qq.com ~all |
| SOA | 1 | ns1.sfn.cn root.ns1.sfn.cn |
Analysis
Name Servers
DNS delegation for techgen.com.cn points to two name servers: ns1.sfn.cn and ns2.sfn.cn.
techgen.com.cn shares its name server setup with other domains, including zedata.cn, cscec46.com.cn, wllib.cn and two others.
techgen.com.cn shares at least some of its name servers with other domains, for example penavico.sh.cn, hncapital.com.cn, jl-sme.com and shanfei.com.
These name servers are often deployed together with the name servers cl1.sfndns.cn, cl2.sfndns.cn, cl1.sfndns.com and cl2.sfndns.com.
Host names with two IP numbers:
ns2.sfn.cn has two IP addresses: 101.37.119.99 and 111.63.77.30.
Host names pointing to a single IP address:
ns1.sfn.cn directs to 111.63.77.29.
Mail Servers
techgen.com.cn has two mail servers: mxbiz1.qq.com and mxbiz2.qq.com.
techgen.com.cn shares the same mail server setup as other domains, including zxtop.net, hengshutech.com, alfa.net.cn and two others.
techgen.com.cn has mail servers in common with other domains — for example zrwhou-tw.asia, yldm.cn and syxidao.com.