coftech.cn - robtex.com
coftech.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 38.177.135.134🇺🇸 AS39847838.177.128.0/18 PEG TECH INC PT-82 | ||||||
| NS | ns1.nowcndns.com ⭐ | ||||||
| A | 1.193.216.204🇨🇳 CHINANET-Henan-Luoyang-IDC1.193.216.0/24 Chinatelecom HeNan Province Network | ||||||
| A | 218.98.111.129🇩🇪 HKCICL-AS-AP218.98.111.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| A | 218.98.111.138🇩🇪 HKCICL-AS-AP218.98.111.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| NS | ns2.nowcndns.com | ||||||
| A | 61.158.128.11🇨🇳 CHINA169-Backbone61.158.128.0/17 CNC Group CHINA169 Henan Province Network | ||||||
| PTR | 11.128.158.61.ha.cnc | ||||||
| A | 183.253.57.202🇨🇳 CHINAMOBILE-CN183.253.0.0/16 CMI (Customer Route) | ||||||
| A | 211.99.99.38🇨🇳 DONGGUAN-1211.99.99.0/24 Proxy-registered route object | ||||||
| SOA | ns1.nowcndns.comadmin@nowcndns.com serial=1773481056 | ||||||
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=2034586808 | ||||||
Subdomains
mail.coftech.cn |
Same first word
Similar names
cfotech.ca |
echoctf.net |
cfotech.news |
cfotech.in |
cfotech.co.nz |
echoctf.com |
echoctf.red |
cfotech.ie |
fcotech.com |
techfoc.com |
cfotech.co.uk |
cfotech.com.au |
thefcco.com |
techcfo.com |
techcof.fr |
DNS History
8 records (3 active, 5 former)
○NScustomer1.name-server.de2015-09-01 → 2016-09-20 · 4 obs
● 2016-09-20 01:25:34
○ 2017-05-14 10:05:04
○ 2026-03-25 21:35:26
○NSns1.name-server.de2015-09-01 → 2017-05-14 · 4 obs
● 2017-05-14 10:05:04
○ 2026-03-21 13:05:00
○ 2026-03-25 21:35:26
●NSns1.nowcndns.com2026-03-21 → 2026-03-25 · 3 obs
● 2026-03-21 13:05:00
● 2026-03-25 21:35:26
○NSns2.name-server.de2015-09-01 → 2017-05-14 · 4 obs
● 2017-05-14 10:05:04
○ 2026-03-21 13:05:00
○ 2026-03-25 21:35:26
●NSns2.nowcndns.com2026-03-21 → 2026-03-25 · 3 obs
● 2026-03-21 13:05:00
● 2026-03-25 21:35:26
○MXmail.coftech.cn2015-09-01 → 2017-05-14 · 4 obs
● 2017-05-14 10:05:04
○ 2026-03-21 13:05:00
○ 2026-03-25 21:35:26
●A38.177.135.1342026-03-21 → 2026-03-25 · 3 obs
● 2026-03-21 13:05:00
● 2026-03-25 21:35:26
○A62.112.137.1052015-09-01 → 2017-05-14 · 4 obs
● 2017-05-14 10:05:04
○ 2026-03-21 13:05:00
○ 2026-03-25 21:35:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | e.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn... | - |
| coftech.cn | ns1.nowcndns.com, ns2.nowcndns.com | - |
✅ Authoritative Response
Server:218.98.111.138
NS records: ns1.nowcndns.com, ns2.nowcndns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for coftech.cn (unsigned zone)
⏱️ Timing
Total: 1800ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 38.177.135.134 |
| NS | 2 | ns1.nowcndns.com, ns2.nowcndns.com |
| SOA | 1 | ns1.nowcndns.com admin.nowcndns.com |
Analysis
Hierarchy
The parent of mail.coftech.cn is coftech.cn.
IP Addresses
coftech.cn points to a single IP number: 38.177.135.134.
Other host names, for instance d6828.cn, b16486.cn, www951n.cn, bjfulaier.cn and mail.coftech.cn share IP numbers with coftech.cn.
Name Servers
coftech.cn is delegated to two name servers: ns1.nowcndns.com and ns2.nowcndns.com.
coftech.cn uses the same name server setup as other domains, for instance gingi.cn, shqnn.com.cn, lveqia.cn, foodks.cn and znxx.net.cn.
Host names with three IP numbers: ns1.nowcndns.com points to 1.193.216.204, 218.98.111.129 and 218.98.111.138; ns2.nowcndns.com points to 61.158.128.11, 183.253.57.202 and 211.99.99.38.