koreatech.cn - robtex.com
koreatech.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 223.7.70.206🇨🇳 Alibaba-Cloud223.6.0.0/15 | ||||||
| NS | dns27.hichina.com ⭐ | ||||||
| A | 2408:4009:501::35🇨🇳 Alibaba-Cloud2408:4009:501::/48 | ||||||
| A | 39.96.153.39🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 39.96.153.59🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 47.118.199.199🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 47.118.199.219🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 120.76.107.39🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 120.76.107.59🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 139.224.142.99🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District, | ||||||
| A | 139.224.142.109🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District, | ||||||
| NS | dns28.hichina.com | ||||||
| A | 2408:4009:501::36🇨🇳 Alibaba-Cloud2408:4009:501::/48 | ||||||
| A | 39.96.153.37🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 39.96.153.62🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 47.118.199.197🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 47.118.199.221🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 120.76.107.37🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 120.76.107.62🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 139.224.142.102🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District, | ||||||
| A | 139.224.142.107🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District, | ||||||
| SOA | dns27.hichina.comhostmaster@hichina.com 2026-01-12 #9 | ||||||
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=2034590561 | ||||||
Same first word
Similar names
techkorea.net |
techkorea.com |
theecoark.com |
arkeotech.com |
aerotekch.com |
koaretech.com |
oaktreehc.co.uk |
teacherok.com |
okteacher.com |
DNS History
3 records (3 active, 0 former)
●NSdns27.hichina.com2015-06-05 → 2026-03-26 · 2 obs
● 2026-03-26 20:43:40
●NSdns28.hichina.com2015-06-05 → 2026-03-26 · 2 obs
● 2026-03-26 20:43:40
●A223.7.70.2062015-06-05 → 2026-03-26 · 2 obs
● 2026-03-26 20:43:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| koreatech.cn | dns27.hichina.com, dns28.hichina.com | - |
✅ Authoritative Response
Server:47.118.199.219
NS records: dns27.hichina.com, dns28.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for koreatech.cn (unsigned zone)
⏱️ Timing
Total: 1839ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 223.7.70.206 |
| NS | 2 | dns28.hichina.com, dns27.hichina.com |
| SOA | 1 | dns27.hichina.com hostmaster.hichina.com |
Analysis
IP Addresses
koreatech.cn points to a single IP address: 223.7.70.206.
Other host names, such as robotec.cn and ygzb.net, share IP numbers with koreatech.cn.
Name Servers
Two name servers dns27.hichina.com and dns28.hichina.com handle the delegation for koreatech.cn.
koreatech.cn shares the same name server setup as other domains, for example lyliannong.com, gegdon.com, hydc.cn, yuo.cn and rdwn.cn.
koreatech.cn at least partially shares name servers with other domains, for example 17192.com, xn--jvryl58ncmtticcviz2za107cnr3dfnb.wang, ewiner.com, 2qn.com and dy-fz.com.
These name servers are often used together with ns1.alidns.com and ns2.alidns.com.
Host names with nine IP numbers: dns27.hichina.com points to: 2408:4009:501::35, 39.96.153.39, 39.96.153.59, 47.118.199.199, 47.118.199.219, 120.76.107.39, 120.76.107.59, 139.224.142.99 and 139.224.142.109; dns28.hichina.com points to: 2408:4009:501::36, 39.96.153.37, 39.96.153.62, 47.118.199.197, 47.118.199.221, 120.76.107.37, 120.76.107.62, 139.224.142.102 and 139.224.142.107.