teachub.net - robtex.com
teachub.net
| DNSSEC | ⚠️ Not signed | ||||||
| NS | dns11.hichina.com ⭐ | ||||||
| A | 2408:4009:501::19🇨🇳 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 | dns12.hichina.com | ||||||
| A | 2408:4009:501::20🇨🇳 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, | ||||||
| SOA | dns11.hichina.comhostmaster@hichina.com 2026-05-28 #9 | ||||||
net
| 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=1786269379 | ||||||
Same first word
Similar names
DNS History
10 records (2 active, 8 former)
●NSdns11.hichina.com2026-07-03 → 2026-08-09 · 3 obs
○ 2017-12-27 13:18:58
● 2026-07-03 21:44:18
● 2026-08-09 10:31:10
● 2026-07-03 21:44:18
● 2026-08-09 10:31:10
●NSdns12.hichina.com2026-07-03 → 2026-08-09 · 3 obs
○ 2017-12-27 13:18:58
● 2026-07-03 21:44:18
● 2026-08-09 10:31:10
● 2026-07-03 21:44:18
● 2026-08-09 10:31:10
○NSns1.markmonitor.com2015-06-21 → 2017-12-27 · 4 obs
● 2015-06-21 21:34:42
● 2017-12-27 13:18:58
○ 2026-07-03 21:44:18
○ 2026-08-09 10:31:10
● 2017-12-27 13:18:58
○ 2026-07-03 21:44:18
○ 2026-08-09 10:31:10
○NSns2.markmonitor.com2015-06-21 → 2017-12-27 · 4 obs
● 2015-06-21 21:34:42
● 2017-12-27 13:18:58
○ 2026-07-03 21:44:18
○ 2026-08-09 10:31:10
● 2017-12-27 13:18:58
○ 2026-07-03 21:44:18
○ 2026-08-09 10:31:10
○NSns3.markmonitor.com2015-06-21 → 2017-12-27 · 4 obs
● 2015-06-21 21:34:42
● 2017-12-27 13:18:58
○ 2026-07-03 21:44:18
○ 2026-08-09 10:31:10
● 2017-12-27 13:18:58
○ 2026-07-03 21:44:18
○ 2026-08-09 10:31:10
○NSns4.markmonitor.com2015-06-21 → 2017-12-27 · 4 obs
● 2015-06-21 21:34:42
● 2017-12-27 13:18:58
○ 2026-07-03 21:44:18
○ 2026-08-09 10:31:10
● 2017-12-27 13:18:58
○ 2026-07-03 21:44:18
○ 2026-08-09 10:31:10
○NSns5.markmonitor.com2015-06-21 → 2017-12-27 · 4 obs
● 2015-06-21 21:34:42
● 2017-12-27 13:18:58
○ 2026-07-03 21:44:18
○ 2026-08-09 10:31:10
● 2017-12-27 13:18:58
○ 2026-07-03 21:44:18
○ 2026-08-09 10:31:10
○NSns6.markmonitor.com2015-06-21 → 2017-12-27 · 4 obs
● 2015-06-21 21:34:42
● 2017-12-27 13:18:58
○ 2026-07-03 21:44:18
○ 2026-08-09 10:31:10
● 2017-12-27 13:18:58
○ 2026-07-03 21:44:18
○ 2026-08-09 10:31:10
○NSns7.markmonitor.com2015-06-21 → 2017-12-27 · 4 obs
● 2015-06-21 21:34:42
● 2017-12-27 13:18:58
○ 2026-07-03 21:44:18
○ 2026-08-09 10:31:10
● 2017-12-27 13:18:58
○ 2026-07-03 21:44:18
○ 2026-08-09 10:31:10
○A72.52.10.142015-06-21 → 2017-12-27 · 4 obs
● 2015-06-21 21:34:42
● 2017-12-27 13:18:58
○ 2026-07-03 21:44:18
○ 2026-08-09 10:31:10
● 2017-12-27 13:18:58
○ 2026-07-03 21:44:18
○ 2026-08-09 10:31:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| teachub.net | dns11.hichina.com, dns12.hichina.com | - |
✅ Authoritative Response
Server:120.76.107.42
NS records: dns11.hichina.com, dns12.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for teachub.net (unsigned zone)
⏱️ Timing
Total: 4136ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | dns11.hichina.com, dns12.hichina.com |
| SOA | 1 | dns11.hichina.com hostmaster.hichina.com |
Analysis
Name Servers
teachub.net uses two name servers for its delegation: dns11.hichina.com and dns12.hichina.com.
The name server configuration of teachub.net is shared with other domains, for instance 6438nb.cn, plis.cn, hzxxpay.com and two others.
teachub.net shares at least some of its name servers with domains including yinshuji.com, zutus.com and alfie.cn
These name servers are frequently paired with the name servers expirens3.hichina.com and expirens4.hichina.com.
Hosts with 9 IP addresses each:
Hostname dns11.hichina.com directs to 39.96.153.42, 39.96.153.52 and 47.118.199.202 along with 6 other IP addresses.
Hostname dns12.hichina.com directs to 39.96.153.41, 39.96.153.51 and 47.118.199.201 along with 6 other IP addresses.