bd-cert.com - robtex.com
bd-cert.com
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=1778424886 | ||||||
Same first word
bd-cert.com |
DNS History
5 records (5 active, 0 former)
●NSdns7.hichina.com2017-08-10 → 2026-05-10 · 2 obs
● 2026-05-10 15:17:12
●NSdns8.hichina.com2017-08-10 → 2026-05-10 · 2 obs
● 2026-05-10 15:17:12
●MXmxn.mxhichina.com2017-08-10 → 2026-05-10 · 2 obs
● 2026-05-10 15:17:12
●MXmxw.mxhichina.com2017-08-10 → 2026-05-10 · 2 obs
● 2026-05-10 15:17:12
●A121.43.53.2182026-03-28 → 2026-05-10 · 2 obs
● 2026-05-10 15:17:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| bd-cert.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 bd-cert.com (unsigned zone)
⏱️ Timing
Total: 3588ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 121.43.53.218 |
| NS | 2 | dns8.hichina.com, dns7.hichina.com |
| MX | 2 | mxw.mxhichina.com (pri: 10), mxn.mxhichina.com (pri: 5) |
| TXT | 1 | v=spf1 include:spf.qiye.aliyun.com -all |
| 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
IP Addresses
bd-cert.com resolves to a single IP address: 121.43.53.218.
Name Servers
bd-cert.com's delegation uses two name servers, dns7.hichina.com and dns8.hichina.com.
bd-cert.com shares the same name server setup as other domains, for example wfbls.com, cicai.com, yashili.net, typicalchn.com and zckj.name.
bd-cert.com at least partially shares name servers with other domains, for example crchip.com, neumap.com and vvnic.com.
These name servers are commonly used with ns1.alidns.com and ns2.alidns.com.
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
bd-cert.com is handled by two mail servers: mxn.mxhichina.com and mxw.mxhichina.com.
bd-cert.com shares its mail server setup with other domains, including mail.zhihuishu.com, jwgb.net, acetissue.com, lingyingfoil.com and huir.com.
The mail servers for bd-cert.com are shared with other domains, for instance scfreeman.com, nbjinmao.com, szbatis.com, wjdl.cn and impactad.com.
These mail servers are commonly used alongside mxbiz1.qq.com and mxbiz2.qq.com.
Hosts with two IPs:
mxn.mxhichina.com points to 47.246.136.231 and 47.246.137.47.
Hosts with one IP:
mxw.mxhichina.com points to 47.246.99.195.