teachbrigh.com - robtex.com
teachbrigh.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 104.18.3.157Cloudflare104.18.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | dns25.hichina.com ⭐ | ||||||
| A | 2408:4009:501::33🇨🇳 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 | dns26.hichina.com | ||||||
| A | 2408:4009:501::34🇨🇳 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, | ||||||
| MX | mail.teachbrigh.com ⭐ | ||||||
| A | 47.254.92.90🇺🇸 Alibaba-Cloud47.254.64.0/18 Proxy-registered route object | ||||||
| PTR | ninisilk.com | ||||||
| PTR | new.showcloud.top | ||||||
| TXT | v=spf1 ip4:47.254.92.90~all | ||||||
| SOA | dns25.hichina.comhostmaster@hichina.com 2026-06-04 #13 | ||||||
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=1786343404 | ||||||
Subdomains
Same first word
teachbrigh.com |
DNS History
4 records (4 active, 0 former)
●NSdns25.hichina.com2026-05-25 → 2026-08-10 · 2 obs
● 2026-08-10 06:52:00
●NSdns26.hichina.com2026-05-25 → 2026-08-10 · 2 obs
● 2026-08-10 06:52:00
●MXmail.teachbrigh.com2026-05-25 → 2026-08-10 · 2 obs
● 2026-08-10 06:52:00
●A104.18.3.1572026-05-25 → 2026-08-10 · 2 obs
● 2026-08-10 06:52:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| teachbrigh.com | dns25.hichina.com, dns26.hichina.com | 18 records |
✅ Authoritative Response
Server:120.76.107.39
NS records: dns25.hichina.com, dns26.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for teachbrigh.com (unsigned zone)
⏱️ Timing
Total: 3549ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 104.18.3.157 |
| NS | 2 | dns25.hichina.com, dns26.hichina.com |
| MX | 1 | mail.teachbrigh.com (pri: 1) |
| TXT | 1 | v=spf1 ip4:47.254.92.90~all |
| SOA | 1 | dns25.hichina.com hostmaster.hichina.com |
📌 Glue Records Collected
Total: 18
Out-of-bailiwick: 18 (dns25.hichina.com, dns25.hichina.com, dns25.hichina.com...)
Analysis
Hierarchy
teachbrigh.com is the parent domain of www.teachbrigh.com and mail.teachbrigh.com.
IP Addresses
teachbrigh.com points to a single IP number: 104.18.3.157.
Additional host names — reproccial.com, www.prevalentw.com, www.potsdampal.de and two others — share IP numbers with teachbrigh.com.
Name Servers
teachbrigh.com uses two name servers for its delegation: dns25.hichina.com and dns26.hichina.com.
teachbrigh.com shares its name server setup with other domains, including jybyjd.com, dpdlocoev.shop, shouquan.com and two others.
At least some of teachbrigh.com's name servers are shared with other domains, for example zhaozhubao.com, news365.cn, bq19.cn and two more.
These name servers tend to be deployed in combination with the name servers expirens3.hichina.com and expirens4.hichina.com.
Host names with 9 IP numbers:
Hostname dns25.hichina.com directs to 39.96.153.39, 39.96.153.59 and 47.118.199.199 along with 6 other IP addresses.
Hostname dns26.hichina.com directs to 39.96.153.37, 39.96.153.62 and 47.118.199.197 along with 6 other IP addresses.
Mail Servers
teachbrigh.com has one mail server: mail.teachbrigh.com.
mail.teachbrigh.com directs to just one IP number, 47.254.92.90.