21rz.com - robtex.com
21rz.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 | ||||||
Subdomains
www.21rz.com |
Same first word
21rz.com |
Similar names
DNS History
7 records (2 active, 5 former)
●NSdns21.hichina.com2026-03-23 → 2026-03-23 · 2 obs
● 2026-03-23 02:19:00
●NSdns22.hichina.com2026-03-23 → 2026-03-23 · 2 obs
● 2026-03-23 02:19:00
○NSns.xinnet.cn2008-03-15 → 2008-03-15 · 3 obs
○ 2015-06-21 13:49:20
○ 2026-03-23 02:19:00
○NSns.xinnetdns.com2008-03-15 → 2008-03-15 · 3 obs
○ 2015-06-21 13:49:20
○ 2026-03-23 02:19:00
○NSns1.22.cn2016-11-19 → 2016-11-19 · 3 obs
● 2016-11-19 19:59:24
○ 2026-03-23 02:19:00
○A60.191.42.1892008-03-15 → 2008-03-15 · 3 obs
○ 2015-06-21 13:49:20
○ 2026-03-23 02:19:00
○A64.62.224.2532015-06-21 → 2015-06-21 · 4 obs
● 2015-06-21 13:49:20
○ 2017-06-23 23:02:02
○ 2026-03-23 02:19:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | g.gtld-servers.net, j.gtld-servers.net, i.gtld-servers.net, h.gtld-servers.net... | - |
| 21rz.com | dns21.hichina.com, dns22.hichina.com | 18 records |
✅ Authoritative Response
Server:120.76.107.40
NS records: dns21.hichina.com, dns22.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 21rz.com (unsigned zone)
⏱️ Timing
Total: 610ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | dns21.hichina.com, dns22.hichina.com |
| SOA | 1 | dns21.hichina.com hostmaster.hichina.com |
📌 Glue Records Collected
Total: 18
Out-of-bailiwick: 18 (dns21.hichina.com, dns21.hichina.com, dns21.hichina.com...)
Analysis
Hierarchy
The parent of www.21rz.com is 21rz.com.
Name Servers
Two name servers dns21.hichina.com and dns22.hichina.com handle the delegation for 21rz.com.
21rz.com shares the same name server setup as other domains, for example zcdingcheng.com, lfprh.cn, dtvcore.cn, mu-tuopan.com and 365zhangyang.cn.
21rz.com at least partially shares name servers with other domains, for example moezhan.com, falconco-int.com, photoeditor.com.cn, atpro.cn and connconn.com.
these name servers commonly pair with ns1.alidns.com, ns2.alidns.com, expirens3.hichina.com and expirens4.hichina.com.
Host names with nine IP numbers: dns21.hichina.com points to: 2408:4009:501::29, 39.96.153.40, 39.96.153.60, 47.118.199.200, 47.118.199.220, 120.76.107.40, 120.76.107.60, 139.224.142.100 and 139.224.142.110; dns22.hichina.com points to: 2408:4009:501::30, 39.96.153.38, 39.96.153.61, 47.118.199.198, 47.118.199.222, 120.76.107.38, 120.76.107.61, 139.224.142.98 and 139.224.142.108.