teachcg.com - robtex.com
teachcg.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 114.80.210.239🇨🇳 SHANGHAITELECOM114.80.208.0/22 SHIDC | ||||||
| NS | dns9.hichina.com ⭐ | ||||||
| A | 2408:4009:501::17🇨🇳 Alibaba-Cloud2408:4009:501::/48 | ||||||
| A | 39.96.153.42🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 39.96.153.52🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 47.118.199.202🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 47.118.199.212🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 120.76.107.42🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 120.76.107.52🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 139.224.142.112🇨🇳 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 | 139.224.142.122🇨🇳 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 | dns10.hichina.com | ||||||
| A | 2408:4009:501::18🇨🇳 Alibaba-Cloud2408:4009:501::/48 | ||||||
| A | 39.96.153.41🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 39.96.153.51🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 47.118.199.201🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 47.118.199.211🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 120.76.107.41🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 120.76.107.51🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 139.224.142.111🇨🇳 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 | 139.224.142.121🇨🇳 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, | ||||||
| MX | mxbiz1.qq.com ⭐ | ||||||
| MX | mxbiz2.qq.com(10) | ||||||
| SOA | dns9.hichina.comhostmaster@hichina.com 2026-01-12 #9 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1783466376 | ||||||
Same first word
teachcg.com |
Similar names
DNS History
5 records (5 active, 0 former)
●NSdns10.hichina.com2015-08-13 → 2026-07-07 · 2 obs
● 2026-07-07 23:34:48
●NSdns9.hichina.com2015-08-13 → 2026-07-07 · 2 obs
● 2026-07-07 23:34:48
●A114.80.210.2392015-08-13 → 2026-07-07 · 5 obs
● 2026-05-05 09:45:30
○ 2026-06-02 15:39:30
● 2026-07-07 23:34:44
● 2026-07-07 23:34:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| teachcg.com | dns9.hichina.com, dns10.hichina.com | 18 records |
✅ Authoritative Response
Server:120.76.107.42
NS records: dns9.hichina.com, dns10.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for teachcg.com (unsigned zone)
⏱️ Timing
Total: 749ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 114.80.210.239 |
| NS | 2 | dns10.hichina.com, dns9.hichina.com |
| MX | 2 | mxbiz2.qq.com (pri: 10), mxbiz1.qq.com (pri: 5) |
| SOA | 1 | dns9.hichina.com hostmaster.hichina.com |
📌 Glue Records Collected
Total: 18
Out-of-bailiwick: 18 (dns9.hichina.com, dns9.hichina.com, dns9.hichina.com...)
Analysis
IP Addresses
teachcg.com resolves to just one IP address, 114.80.210.239.
Name Servers
Two name servers handle the delegation for teachcg.com: dns10.hichina.com and dns9.hichina.com.
teachcg.com shares its NS records with other domains, for example zjyfnet.com, yoonop.com, outejn.cn and two others.
teachcg.com has at least partial name server overlap with other domains, such as johncor.com, ojbk.cn, mypeccn.com and two others.
These name servers tend to appear together with the name servers expirens3.hichina.com, expirens4.hichina.com and ns1.alidns.com.
DNS names with 9 IP addresses:
dns10.hichina.com resolves to 39.96.153.41, 39.96.153.51 and 47.118.199.201 among others, with 6 other IP addresses in total.
dns9.hichina.com resolves to 39.96.153.42, 39.96.153.52 and 47.118.199.202 among others, with 6 other IP addresses in total.
Mail Servers
teachcg.com is served by two mail servers, mxbiz1.qq.com and mxbiz2.qq.com.
Among the domains sharing a mail server setup with teachcg.com are hzmmys.com, qqcy.com, hncsut.cn and two others.
At least some of teachcg.com's mail servers are shared with other domains, among them weareplus.net, aiketour.com, mcyjd.com and 51h.net.