bjtbt.com - robtex.com
bjtbt.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 120.48.131.187🇨🇳 Baidu120.48.128.0/19 | ||||||
| NS | ns1.bdydns.cn ⭐ | ||||||
| A | 240e:940:603:3:0:ff:b05b:137e🇨🇳 CHINANET-BACKBONE240e:940::/32 China Telecom (Hebei) Limited | ||||||
| A | 180.97.36.63🇨🇳 ChinaNet-NANJING-JISHAN-IDC180.97.36.0/24 JS-CT NJ-JS-IDC | ||||||
| A | 183.232.231.249🇨🇳 CMNET-GuangDong-AP183.232.231.0/24 CMI (Customer Route) | ||||||
| NS | ns2.bdydns.cn | ||||||
| A | 240e:940:603:5:0:ff:b0cf:479b🇨🇳 CHINANET-BACKBONE240e:940::/32 China Telecom (Hebei) Limited | ||||||
| A | 14.215.177.154🇨🇳 CHINANET-BACKBONE14.208.0.0/12 China Telecom Network | ||||||
| A | 112.80.248.202🇨🇳 CHINA169-Backbone112.80.0.0/13 China Unicom CHINA169 Jiangsu Province Network | ||||||
| A | 119.75.222.53🇨🇳 Baidu119.75.222.0/24 | ||||||
| A | 124.237.208.58🇨🇳 CHINANET-BACKBONE124.236.0.0/14 CMI (Customer Route) | ||||||
| MX | hzmx01.mxmail.netease.com ⭐ | ||||||
| A | 47.251.71.119🇺🇸 Alibaba-Cloud47.251.0.0/17 Proxy-registered route object | ||||||
| A | 47.251.84.126🇺🇸 Alibaba-Cloud47.251.0.0/17 Proxy-registered route object | ||||||
| MX | hzmx02.mxmail.netease.com(10) | ||||||
| TXT | v=spf1 include:spf.163.com -all | ||||||
| SOA | ns1.bdydns.cnsa@dudns.com 2018-08-01 #17 | ||||||
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=1785523417 | ||||||
Subdomains
www.bjtbt.com |
Same first word
bjtbt.com |
Similar names
DNS History
9 records (5 active, 4 former)
○NSns.dns.net.cn2015-07-24 → 2016-06-19 · 4 obs
● 2016-06-19 20:53:14
○ 2026-04-03 19:02:14
○ 2026-07-31 18:56:34
●NSns1.bdydns.cn2026-04-03 → 2026-07-31 · 3 obs
● 2026-04-03 19:02:14
● 2026-07-31 18:56:34
●NSns2.bdydns.cn2026-04-03 → 2026-07-31 · 3 obs
● 2026-04-03 19:02:14
● 2026-07-31 18:56:34
○NSns7.dns.net.cn2015-07-24 → 2016-06-19 · 5 obs
○ 2015-11-17 15:17:02
● 2016-06-19 20:53:14
○ 2026-04-03 19:02:14
○ 2026-07-31 18:56:34
●MXhzmx01.mxmail.netease.com2026-04-03 → 2026-07-31 · 3 obs
● 2026-04-03 19:02:14
● 2026-07-31 18:56:34
●MXhzmx02.mxmail.netease.com2026-04-03 → 2026-07-31 · 3 obs
● 2026-04-03 19:02:14
● 2026-07-31 18:56:34
○MXmx.cnc.jia.net2015-07-24 → 2016-06-19 · 4 obs
● 2016-06-19 20:53:14
○ 2026-04-03 19:02:14
○ 2026-07-31 18:56:34
●A120.48.131.1872026-04-03 → 2026-07-31 · 3 obs
● 2026-04-03 19:02:14
● 2026-07-31 18:56:34
○A61.135.129.962015-07-24 → 2016-06-19 · 4 obs
● 2016-06-19 20:53:14
○ 2026-04-03 19:02:14
○ 2026-07-31 18:56:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | f.gtld-servers.net, k.gtld-servers.net, a.gtld-servers.net, m.gtld-servers.net... | - |
| bjtbt.com | ns1.bdydns.cn, ns2.bdydns.cn | - |
✅ Authoritative Response
Server:14.215.177.154
NS records: ns1.bdydns.cn, ns2.bdydns.cn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for bjtbt.com (unsigned zone)
⏱️ Timing
Total: 1337ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 120.48.131.187 |
| NS | 2 | ns1.bdydns.cn, ns2.bdydns.cn |
| MX | 2 | hzmx02.mxmail.netease.com (pri: 10), hzmx01.mxmail.netease.com (pri: 5) |
| TXT | 1 | v=spf1 include:spf.163.com -all |
| SOA | 1 | ns1.bdydns.cn sa.dudns.com |
Analysis
Hierarchy
bjtbt.com is the parent zone for www.bjtbt.com.
IP Addresses
bjtbt.com points to a single IP number: 120.48.131.187.
Other host names share IP numbers with bjtbt.com; www.bjtbt.com is one such example.
Name Servers
bjtbt.com is served by two delegated name servers, ns1.bdydns.cn and ns2.bdydns.cn.
bjtbt.com shares its name server setup with other domains, including energyyk.com, wch123.cn, openaiweb.cn and two others.
Host names that resolve to five IP addresses:
ns2.bdydns.cn points to 14.215.177.154, 112.80.248.202, 119.75.222.53 and two other IP addresses.
Host names with three IP numbers:
ns1.bdydns.cn resolves to three addresses: 180.97.36.63, 183.232.231.249 and 240e:940:603:3:0:ff:b05b:137e.
Mail Servers
bjtbt.com has two mail servers: hzmx01.mxmail.netease.com and hzmx02.mxmail.netease.com.
bjtbt.com shares the same mail server setup as other domains, including jiameihardware.com, hexmeet.net, cqnews.net and two others.
bjtbt.com shares mail servers — at least in part — with other domains, including 888ppt.com, allesin.com, tzc.edu.cn and two others.
Host names with two IP numbers:
hzmx01.mxmail.netease.com maps to two IP addresses — 47.251.71.119 and 47.251.84.126.