21yj.com - robtex.com
21yj.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 150.109.115.252🇭🇰 TENCENT-NET-AP-CN150.109.114.0/23 Proxy-registered route object | ||||||
| NS | ns3.01isp.com ⭐ ⚠️ Not in zone NS records | ||||||
| A | 42.240.142.46🇨🇳 CHINANET-Guangdong-GuangZhou-IDC42.240.128.0/20 Guangzhou IDC of ChinaUnicom | ||||||
| NS | ns4.01isp.net ⚠️ Not in zone NS records | ||||||
| A | 47.239.41.106🇭🇰 Alibaba-Cloud47.239.0.0/16 Proxy-registered route object | ||||||
| NS | ns7.01isp.com ⚠️ Not in parent delegation | ||||||
| A | 42.240.142.46🇨🇳 CHINANET-Guangdong-GuangZhou-IDC42.240.128.0/20 Guangzhou IDC of ChinaUnicom | ||||||
| NS | ns8.01isp.net ⚠️ Not in parent delegation | ||||||
| A | 47.239.41.106🇭🇰 Alibaba-Cloud47.239.0.0/16 Proxy-registered route object | ||||||
| MX | pop.21yj.com ⭐ | ||||||
| SOA | ns3.01isp.comadmin@now.cn 2026-03-19 #1 | ||||||
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.21yj.com |
Same first word
21yj.com |
Similar names
DNS History
8 records (6 active, 2 former)
●NSns3.01isp.com2015-05-21 → 2026-03-23 · 3 obs
● 2015-05-21 16:24:36
● 2026-03-23 22:41:12
●NSns4.01isp.net2015-05-21 → 2026-03-23 · 3 obs
● 2015-05-21 16:24:36
● 2026-03-23 22:41:12
●NSns7.01isp.com2026-02-20 → 2026-03-23 · 3 obs
● 2026-02-20 20:32:24
● 2026-03-23 22:41:12
●NSns8.01isp.net2026-02-20 → 2026-03-23 · 3 obs
● 2026-02-20 20:32:24
● 2026-03-23 22:41:12
●MXpop.21yj.com2008-03-14 → 2026-03-23 · 2 obs
● 2026-03-23 22:41:12
●A150.109.115.2522026-02-20 → 2026-03-23 · 3 obs
● 2026-02-20 20:32:24
● 2026-03-23 22:41:12
○A203.124.12.1012015-05-21 → 2017-11-29 · 5 obs
● 2015-05-21 16:24:36
● 2017-11-29 05:27:08
○ 2026-02-20 20:32:24
○ 2026-03-23 22:41:12
○A222.76.216.1102008-03-14 → 2008-03-14 · 3 obs
○ 2015-05-21 16:24:36
○ 2026-03-23 22:41:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | e.gtld-servers.net, l.gtld-servers.net, j.gtld-servers.net, b.gtld-servers.net... | - |
| 21yj.com | ns3.01isp.com, ns4.01isp.net | 1 record |
✅ Authoritative Response
Server:47.239.41.106
NS records: ns3.01isp.com, ns4.01isp.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 21yj.com (unsigned zone)
⏱️ Timing
Total: 1583ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 150.109.115.252 |
| NS | 2 | ns7.01isp.com, ns8.01isp.net |
| MX | 1 | pop.21yj.com (pri: 20) |
| SOA | 1 | ns3.01isp.com admin.now.cn |
📌 Glue Records Collected
Total: 1
Out-of-bailiwick: 1 (ns3.01isp.com)
Analysis
Hierarchy
21yj.com is a parent of www.21yj.com.
IP Addresses
21yj.com points to a single IP address: 150.109.115.252.
Other host names such as www.21yj.com, wintrue.net, www.yjxlt.com, ydfanghai.com and focusknives.com share IP numbers with 21yj.com.
Name Servers
21yj.com is delegated to four name servers: ns3.01isp.com, ns7.01isp.com, ns4.01isp.net and ns8.01isp.net.
At least part of the name servers for 21yj.com are shared with other domains, for instance uuomi.com, ipromisewall.com, tais-emb.com, easy-filmmedia.com and exthai.com.
These name servers are commonly used alongside verification-30t7kid8.ns3.dan.hosting and ns4001.01isp.net.
Hostnames with one IP:
ns3.01isp.com points to 42.240.142.46
ns7.01isp.com points to 42.240.142.46
ns4.01isp.net points to 47.239.41.106
ns8.01isp.net points to 47.239.41.106
Hostnames that point to 42.240.142.46: ns3.01isp.com and ns7.01isp.com
Hostnames that point to 47.239.41.106: ns4.01isp.net and ns8.01isp.net