bt-exp.com - robtex.com
bt-exp.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 47.105.59.147🇨🇳 Alibaba-Cloud47.105.0.0/16 | ||||||
| NS | dns7.hichina.com ⭐ | ||||||
| A | 2408:4009:501::15🇨🇳 Alibaba-Cloud2408:4009:501::/48 | ||||||
| A | 39.96.153.43🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 39.96.153.63🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 47.118.199.203🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 47.118.199.213🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 120.76.107.43🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 120.76.107.63🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 139.224.142.113🇨🇳 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 | 139.224.142.123🇨🇳 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 | dns8.hichina.com | ||||||
| A | 2408:4009:501::16🇨🇳 Alibaba-Cloud2408:4009:501::/48 | ||||||
| A | 39.96.153.44🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 39.96.153.54🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 47.118.199.204🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 47.118.199.214🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 120.76.107.44🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 120.76.107.54🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 139.224.142.114🇨🇳 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 | 139.224.142.124🇨🇳 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 | dns7.hichina.comhostmaster@hichina.com 2026-01-09 #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=1778459851 | ||||||
Subdomains
www.bt-exp.com |
DNS History
5 records (5 active, 0 former)
●NSdns7.hichina.com2016-12-18 → 2026-05-11 · 2 obs
● 2026-05-11 00:55:46
●NSdns8.hichina.com2016-12-18 → 2026-05-11 · 2 obs
● 2026-05-11 00:55:46
●A47.105.59.1472026-05-11 → 2026-05-11 · 2 obs
● 2026-05-11 00:55:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| bt-exp.com | dns7.hichina.com, dns8.hichina.com | 18 records |
✅ Authoritative Response
Server:120.76.107.43
NS records: dns7.hichina.com, dns8.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for bt-exp.com (unsigned zone)
⏱️ Timing
Total: 499ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 47.105.59.147 |
| NS | 2 | dns7.hichina.com, dns8.hichina.com |
| MX | 2 | mxbiz2.qq.com (pri: 10), mxbiz1.qq.com (pri: 5) |
| SOA | 1 | dns7.hichina.com hostmaster.hichina.com |
📌 Glue Records Collected
Total: 18
Out-of-bailiwick: 18 (dns7.hichina.com, dns7.hichina.com, dns7.hichina.com...)
Analysis
Hierarchy
The parent of www.bt-exp.com is bt-exp.com.
IP Addresses
bt-exp.com points to a single IP address: 47.105.59.147.
Other host names, for instance www.bt-exp.com, share IP numbers with bt-exp.com.
Name Servers
Two name servers dns7.hichina.com and dns8.hichina.com handle the delegation for bt-exp.com.
bt-exp.com shares the same name server setup as other domains, for example eqlky.com, threats.cn, xingyunxcx.com, bnnet.net and ekepe.com.
bt-exp.com at least partially shares name servers with other domains, for example mdwu.cn, lusai.com, natbrasil.com, 7fzk.com and wenpack.com.
These name servers are commonly used with expirens3.hichina.com and expirens4.hichina.com and ns1.alidns.com.
Host names with nine IP numbers: dns7.hichina.com points to: 2408:4009:501::15, 39.96.153.43, 39.96.153.63, 47.118.199.203, 47.118.199.213, 120.76.107.43, 120.76.107.63, 139.224.142.113 and 139.224.142.123; dns8.hichina.com points to: 2408:4009:501::16, 39.96.153.44, 39.96.153.54, 47.118.199.204, 47.118.199.214, 120.76.107.44, 120.76.107.54, 139.224.142.114 and 139.224.142.124.
Mail Servers
Two mail servers handle bt-exp.com: mxbiz1.qq.com and mxbiz2.qq.com.
bt-exp.com shares the same mail server setup as other domains, including xingyikeji.com.cn, cedars.us, ksmele.com, gpyh.com and fpdisplay.cn.
bt-exp.com shares at least partially some mail servers with other domains, for instance egirl.gg, ceewa.info, joyoucnc.com, zyxqdc.com and ssof.cn.