otech.cn - robtex.com
otech.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.24.230.93🇨🇳 CHINA169-Backbone103.24.228.0/22 CMI (Customer Route) | ||||||
| NS | ns1.dnsip.com ⭐ | ||||||
| A | 240e:97d:10:1402:0:1:0:1008🇨🇳 CHINANET-Guangdong-DongGuan-IDC240e:97d::/36 DongGuan IDC Network | ||||||
| A | 1.193.216.199🇨🇳 CHINANET-Henan-Luoyang-IDC1.193.216.0/24 Chinatelecom HeNan Province Network | ||||||
| A | 218.98.111.202🇩🇪 HKCICL-AS-AP218.98.111.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| A | 218.98.111.206🇩🇪 HKCICL-AS-AP218.98.111.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| NS | ns2.dnsip.com | ||||||
| A | 240e:97d:10:1402:0:1:0:1008🇨🇳 CHINANET-Guangdong-DongGuan-IDC240e:97d::/36 DongGuan IDC Network | ||||||
| A | 61.158.128.1🇨🇳 CHINA169-Backbone61.158.128.0/17 CNC Group CHINA169 Henan Province Network | ||||||
| PTR | 1.128.158.61.ha.cnc | ||||||
| A | 183.253.57.193🇨🇳 CHINAMOBILE-CN183.253.0.0/16 CMI (Customer Route) | ||||||
| A | 211.99.99.29🇨🇳 DONGGUAN-1211.99.99.0/24 | ||||||
| A | 211.99.99.33🇨🇳 DONGGUAN-1211.99.99.0/24 | ||||||
| MX | web20.ckuai.com ⭐ | ||||||
| A | 103.24.230.93🇨🇳 CHINA169-Backbone103.24.228.0/22 CMI (Customer Route) | ||||||
| SOA | ns1.dnsip.comdnsadmin@dnsip.com serial=1768457193 | ||||||
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 2035-10-31 #9 | ||||||
Subdomains
www.otech.cn |
Same first word
Similar names
DNS History
11 records (4 active, 7 former)
○NSns.cnkuai.cn2015-06-17 → 2017-04-27 · 6 obs
● 2016-04-14 01:38:30
○ 2016-11-19 23:44:44
● 2017-04-27 14:05:28
○ 2026-06-22 03:36:42
○ 2026-07-28 22:56:40
○NSns.cnkuai.com2015-06-17 → 2017-04-27 · 6 obs
○ 2015-11-05 02:45:22
○ 2016-11-19 23:44:44
● 2017-04-27 14:05:28
○ 2026-06-22 03:36:42
○ 2026-07-28 22:56:40
●NSns1.dnsip.com2026-06-22 → 2026-07-28 · 3 obs
● 2026-06-22 03:36:42
● 2026-07-28 22:56:40
○NSns2.cnkuai.cn2016-11-19 → 2016-11-19 · 4 obs
● 2016-11-19 23:44:44
○ 2017-04-27 14:05:28
○ 2026-07-28 22:56:40
●NSns2.dnsip.com2026-06-22 → 2026-07-28 · 3 obs
● 2026-06-22 03:36:42
● 2026-07-28 22:56:40
○NSns3.cnkuai.cn2015-06-17 → 2016-11-19 · 5 obs
○ 2015-11-05 02:45:22
● 2016-11-19 23:44:44
○ 2017-04-27 14:05:28
○ 2026-07-28 22:56:40
○NSns3.cnkuai.com2015-06-17 → 2015-06-17 · 3 obs
○ 2015-11-05 02:45:22
○ 2026-07-28 22:56:40
●A103.24.230.932026-06-22 → 2026-07-28 · 3 obs
● 2026-06-22 03:36:42
● 2026-07-28 22:56:40
○A210.209.71.882016-11-19 → 2017-04-27 · 5 obs
● 2016-11-19 23:44:44
● 2017-04-27 14:05:28
○ 2026-06-22 03:36:42
○ 2026-07-28 22:56:40
○A58.64.171.2102015-06-17 → 2016-04-14 · 4 obs
● 2016-04-14 01:38:30
○ 2016-11-19 23:44:44
○ 2026-07-28 22:56:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| otech.cn | ns1.dnsip.com, ns2.dnsip.com | - |
✅ Authoritative Response
Server:218.98.111.206
NS records: ns1.dnsip.com, ns2.dnsip.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for otech.cn (unsigned zone)
⏱️ Timing
Total: 1530ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.24.230.93 |
| NS | 2 | ns1.dnsip.com, ns2.dnsip.com |
| MX | 1 | web20.ckuai.com (pri: 10) |
| SOA | 1 | ns1.dnsip.com dnsadmin.dnsip.com |
Analysis
Hierarchy
otech.cn is the parent zone for www.otech.cn.
IP Addresses
otech.cn resolves to just one IP address, 103.24.230.93.
Two other host names, along with tjjaguar.com, lsygm.com and hbshichang.com, also share IP numbers with otech.cn.
Name Servers
otech.cn uses two name servers for its delegation: ns1.dnsip.com and ns2.dnsip.com.
otech.cn shares its NS records with other domains, for example 23404455.com, brsq.cn, ckenet.com and two others.
At least some of otech.cn's name servers are also used by other domains, among them hsvision.com.
Host names directing to five IP addresses:
ns2.dnsip.com has four IP addresses — 61.158.128.1, 183.253.57.193, 211.99.99.29 and two others.
Host names that resolve to four IP numbers:
ns1.dnsip.com maps to the following IP addresses: 1.193.216.199, 218.98.111.202, 218.98.111.206 and 240e:97d:10:1402:0:1:0:1008.
Both ns2.dnsip.com and ns1.dnsip.com resolve to 240e:97d:10:1402:0:1:0:1008 IP addresses each.
Mail Servers
The sole mail server for otech.cn is web20.ckuai.com.
web20.ckuai.com directs to just one IP number, 103.24.230.93.