zj21.com - robtex.com
zj21.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=1776115597 | ||||||
Same first word
zj21.com |
Similar names
DNS History
6 records (4 active, 2 former)
●NSns19.xincache.com2015-08-12 → 2026-04-13 · 2 obs
● 2026-04-13 21:29:22
●NSns20.xincache.com2015-08-12 → 2026-04-13 · 2 obs
● 2026-04-13 21:29:22
●MXfreemail-g1.xinnetdns.com2015-11-29 → 2026-04-13 · 2 obs
● 2026-04-13 21:29:22
●A103.215.191.1612026-02-16 → 2026-04-13 · 3 obs
● 2026-02-16 05:37:40
● 2026-04-13 21:29:22
○A122.10.97.2352015-08-12 → 2015-11-29 · 4 obs
● 2015-11-29 15:10:06
○ 2016-02-10 07:10:40
○ 2026-04-13 21:29:22
○A122.10.99.2002016-02-10 → 2017-06-12 · 5 obs
● 2016-02-10 07:10:40
● 2017-06-12 19:23:56
○ 2026-02-16 05:37:40
○ 2026-04-13 21:29:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | j.gtld-servers.net, a.gtld-servers.net, l.gtld-servers.net, c.gtld-servers.net... | - |
| zj21.com | ns19.xincache.com, ns20.xincache.com | 12 records |
✅ Authoritative Response
Server:1.12.0.4
NS records: ns19.xincache.com, ns20.xincache.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for zj21.com (unsigned zone)
⏱️ Timing
Total: 108ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.215.191.161 |
| NS | 2 | ns19.xincache.com, ns20.xincache.com |
| MX | 1 | freemail-g1.xinnetdns.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
IP Addresses
zj21.com resolves to a single IP address: 103.215.191.161.
Other host names such as spark-lock.com, dazungroup.com and sawachina.com share IP numbers with zj21.com.
Name Servers
zj21.com's delegation uses two name servers, ns19.xincache.com and ns20.xincache.com.
zj21.com shares the same name server setup as other domains, for example zhit.net, audiocenter.in, kinsson.net, yab.cn and bdhin.com.
zj21.com at least partially shares name servers with other domains, including vcsh.com, xncjr.cn, zwzh.com, sdhtfby.com and heq.com.cn.
These name servers are commonly used with ns11.xincache.com and ns12.xincache.com.
Eight IP numbers for host names:
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.
Seven IP numbers for host names:
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
zj21.com is handled by a single mail server, freemail-g1.xinnetdns.com.
zj21.com shares its mail server setup with other domains, including feihua.com, longou.net, bjlanyi.com, csut.net and gfp.cn.
The mail servers for zj21.com are shared with other domains, for instance hdacro.com, nhml.cn, langfanggy.com, zbca.com and smc518.cn.
these mail servers are commonly used alongside the mail servers mx.sina.net.
freemail-g1.xinnetdns.com points to a single IP: 101.237.133.6.