zhengda-tool.com - robtex.com
zhengda-tool.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=1775953622 | ||||||
Subdomains
mail.zhengda-tool.com |
Same first word
zhengda-tool.com |
DNS History
4 records (4 active, 0 former)
●NSns19.xincache.com2015-05-19 → 2026-04-12 · 2 obs
● 2026-04-12 00:34:18
●NSns20.xincache.com2015-05-19 → 2026-04-12 · 2 obs
● 2026-04-12 00:34:18
●MXmail.zhengda-tool.com2015-05-19 → 2026-04-12 · 2 obs
● 2026-04-12 00:34:18
●A205.209.141.1532015-05-19 → 2026-04-12 · 2 obs
● 2026-04-12 00:34:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| zhengda-tool.com | ns19.xincache.com, ns20.xincache.com | 12 records |
✅ Authoritative Response
Server:1.12.0.1
NS records: ns19.xincache.com, ns20.xincache.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for zhengda-tool.com (unsigned zone)
⏱️ Timing
Total: 83ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 205.209.141.153 |
| NS | 2 | ns19.xincache.com, ns20.xincache.com |
| MX | 1 | mail.zhengda-tool.com (pri: 10) |
| SOA | 1 | ns19.xincache.com enterprise1dnsadmin.dn |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (ns19.xincache.com, ns19.xincache.com, ns19.xincache.com...)
Analysis
Hierarchy
The parent of mail.zhengda-tool.com is zhengda-tool.com.
IP Addresses
zhengda-tool.com points to a single IP: 205.209.141.153.
Other host names, for example lingshan-alternator.com, emtocn.com, qmsuper.com and zjwangshun.com share IP numbers with zhengda-tool.com.
Name Servers
Two name servers ns19.xincache.com and ns20.xincache.com handle delegation for zhengda-tool.com.
zhengda-tool.com uses the same name server setup as other domains, for example gdfda.gov.cn, sylyhz.com, qdfaw.cn, szguiyu.com and gxrczpw.com.
zhengda-tool.com partially shares name servers with other domains; examples include gmgc.com.cn, 218ts.com, ykhy.com, 0734.cn and cqhqgs.com.
These name servers are often used with the name servers ns11.xincache.com and ns12.xincache.com.
Hosts with eight IP numbers:
ns19.xincache.com points to 2402:4e00:1470:2::e, 2402:4e00:1730::e, 1.12.0.4, 36.155.149.180, 112.80.181.45, 117.89.178.173, 125.94.59.210 and 129.211.176.209.
Hosts with seven IP numbers:
ns20.xincache.com points to 2402:4e00:111:fff::c, 1.12.0.1, 36.155.149.176, 112.80.181.111, 117.89.178.184, 129.211.176.239 and 163.177.5.23.
Mail Servers
zhengda-tool.com is handled by a single mail server, mail.zhengda-tool.com.