b50021.com - robtex.com
b50021.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=1771291435 | ||||||
DNS History
6 records (3 active, 3 former)
●NSn1.xundns.com2026-03-17 → 2026-03-17 · 3 obs
● 2026-03-17 20:29:22
● 2026-03-17 20:29:28
●NSn2.xundns.com2026-03-17 → 2026-03-17 · 3 obs
● 2026-03-17 20:29:22
● 2026-03-17 20:29:28
○NSns1.dns.com2019-04-01 → 2019-04-01 · 3 obs
○ 2026-03-17 20:29:22
○ 2026-03-17 20:29:28
○NSns2.dns.com2019-04-01 → 2019-04-01 · 3 obs
○ 2026-03-17 20:29:22
○ 2026-03-17 20:29:28
○MXcn.sslok.com2019-04-01 → 2019-04-01 · 3 obs
○ 2026-03-17 20:29:22
○ 2026-03-17 20:29:28
●A23.235.185.42026-03-17 → 2026-03-17 · 2 obs
● 2026-03-17 20:29:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| b50021.com | n1.xundns.com, n2.xundns.com | 11 records |
✅ Authoritative Response
Server: 122.114.37.19
NS records: n1.xundns.com, n2.xundns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for b50021.com (unsigned zone)
⏱️ Timing
Total: 533ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 23.235.185.4 |
| NS | 2 | n1.xundns.com, n2.xundns.com |
| SOA | 1 | n1.xundns.com nsadmin.xundns.com |
📌 Glue Records Collected
Total: 11
Out-of-bailiwick: 11 (n1.xundns.com, n1.xundns.com, n1.xundns.com...)
Analysis
IP Addresses
b50021.com resolves to a single IP: 23.235.185.4.
Other host names, for instance www.37676b.com, www.jj1812.com, bf175.com, hbet98.com and kxcp111.com share IP numbers with b50021.com.
Name Servers
b50021.com has two name servers: n1.xundns.com and n2.xundns.com.
b50021.com shares the same name server setup as other domains, for example safe-sports.com, scblyl.com, 157a48991687afdc.com, 995771a.com and zhihuochangde.com.
b50021.com at least partially shares name servers with other domains; for example 448ee77.vip and 00899.com; libidonet.com and 8194bea0fe926137.com.
These name servers are commonly used together with v1s1.xundns.com and v1s2.xundns.com.
Host names with six IP numbers: n2.xundns.com points to 2408:8621:0:42:e401:402:0:a, 2408:8722:1801:10:4:611:6303:181, 2604:86c0:6001:8::a9c5:8e51, 61.163.30.181, 122.114.37.19 and 169.197.142.81. Host names with five IP numbers: n1.xundns.com points to 2409:8c44:1b00:601:1:1110:609:6027, 2604:86c0:5001:11::2659:466b, 38.89.70.107, 111.6.96.27 and 119.91.0.164.