jbzns.com - robtex.com
jbzns.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.21.141.130🇨🇳 SHANGHAITELECOM103.21.140.0/23 SHIDC | ||||||
| NS | dns3.4cun.com ⭐ | ||||||
| A | 2408:4005:3dc:af00:a6be:339e:a1a0:d2b8🇨🇳 Alibaba-Cloud2408:4005::/33 | ||||||
| A | 61.172.183.74🇨🇳 SHANGHAITELECOM61.172.182.0/23 SHIDC | ||||||
| NS | dns.4cun.com ⚠️ Not in zone NS records | ||||||
| NS | dns4.51dns.top ⚠️ Not in zone NS records | ||||||
| A | 2408:4005:3dc:af00:a6be:339e:a1a0:d2b8🇨🇳 Alibaba-Cloud2408:4005::/33 | ||||||
| A | 219.138.102.210🇨🇳 CHINATELECOM-HUBEI-YICHANG-IDC219.138.102.0/24 yichang | ||||||
| MX | mx1.qiye.aliyun.com ⭐ | ||||||
| A | 47.246.137.47🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud | ||||||
| MX | mx2.qiye.aliyun.com(10) | ||||||
| A | 47.246.136.231🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud | ||||||
| PTR | cz-clare.com | ||||||
| PTR | reachsmartdwell.com | ||||||
| PTR | wevolt.tech | ||||||
| MX | mx3.qiye.aliyun.com(15) | ||||||
| A | 47.246.136.231🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud | ||||||
| PTR | cz-clare.com | ||||||
| PTR | reachsmartdwell.com | ||||||
| PTR | wevolt.tech | ||||||
| A | 47.246.137.47🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud | ||||||
| TXT | v=spf1 include:spf.qiye.aliyun.com -all-all. | ||||||
| SOA | dns.4cun.comadmin@jbzns.com serial=1775909538 | ||||||
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=1784939042 | ||||||
Same first word
Similar names
DNS History
10 records (7 active, 3 former)
●NSdns3.4cun.com2026-05-28 → 2026-07-25 · 3 obs
● 2026-05-28 13:30:12
● 2026-07-25 00:53:12
●NSdns4.51dns.top2026-05-28 → 2026-07-25 · 3 obs
● 2026-05-28 13:30:12
● 2026-07-25 00:53:12
○MXmx.263.net2017-08-16 → 2017-08-16 · 3 obs
○ 2026-05-28 13:30:12
○ 2026-07-25 00:53:12
●MXmx1.qiye.aliyun.com2026-05-28 → 2026-07-25 · 3 obs
● 2026-05-28 13:30:12
● 2026-07-25 00:53:12
●MXmx2.qiye.aliyun.com2026-05-28 → 2026-07-25 · 3 obs
● 2026-05-28 13:30:12
● 2026-07-25 00:53:12
●MXmx3.qiye.aliyun.com2026-05-28 → 2026-07-25 · 3 obs
● 2026-05-28 13:30:12
● 2026-07-25 00:53:12
○MXmxw.263.net2017-08-16 → 2017-08-16 · 3 obs
○ 2026-05-28 13:30:12
○ 2026-07-25 00:53:12
●A103.21.141.1302026-05-28 → 2026-07-25 · 3 obs
● 2026-05-28 13:30:12
● 2026-07-25 00:53:12
○A43.230.142.1252017-08-16 → 2017-08-16 · 3 obs
○ 2026-05-28 13:30:12
○ 2026-07-25 00:53:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | b.gtld-servers.net, d.gtld-servers.net, h.gtld-servers.net, f.gtld-servers.net... | - |
| jbzns.com | dns3.4cun.com, dns4.51dns.top | 2 records |
✅ Authoritative Response
Server:61.172.183.74
NS records: dns3.4cun.com, dns4.51dns.top
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for jbzns.com (unsigned zone)
⏱️ Timing
Total: 2502ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.21.141.130 |
| MX | 3 | mx2.qiye.aliyun.com (pri: 10), mx1.qiye.aliyun.com (pri: 5)... |
| TXT | 1 | v=spf1 include:spf.qiye.aliyun.com -all- |
| SOA | 1 | dns.4cun.com admin.jbzns.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (dns3.4cun.com, dns3.4cun.com)
Analysis
IP Addresses
jbzns.com resolves to just one IP address, 103.21.141.130.
Two other host names, along with yjrh.com, e-dove.net and nongnier.com, also share IP numbers with jbzns.com.
Name Servers
jbzns.com carries NS records delegating to dns3.4cun.com, dns.4cun.com and dns4.51dns.top.
jbzns.com has at least partial name server overlap with other domains, such as ceisvc.com, chinalock.net, cnxili.com and two others.
dns7.4cun.com, dns1.4cun.com and dns8.51dns.top — plus 7 other name servers — are commonly paired with these name servers.
dns3.4cun.com directs to 61.172.183.74 and 2408:4005:3dc:af00:a6be:339e:a1a0:d2b8. dns4.51dns.top directs to 219.138.102.210 and 2408:4005:3dc:af00:a6be:339e:a1a0:d2b8. Both hosts share the address 2408:4005:3dc:af00:a6be:339e:a1a0:d2b8.
dns3.4cun.com along with dns4.51dns.top each resolve to 2408:4005:3dc:af00:a6be:339e:a1a0:d2b8 IP addresses.
Mail Servers
jbzns.com has three mail servers: mx1.qiye.aliyun.com, mx2.qiye.aliyun.com and mx3.qiye.aliyun.com.
There is at least a partial MX overlap between jbzns.com and other domains, including gmfmwl.com, yarikh.cn, corruone.com and two others.
These mail servers tend to be used in combination with the mail servers mxn.mxhichina.com and mxw.mxhichina.com.
Host names that have two IP addresses:
mx3.qiye.aliyun.com resolves to two addresses: 47.246.136.231 and 47.246.137.47.
Host names that point to one IP address:
The hostname mx1.qiye.aliyun.com resolves to 47.246.137.47.
The hostname mx2.qiye.aliyun.com resolves to 47.246.136.231.
mx3.qiye.aliyun.com along with mx2.qiye.aliyun.com each resolve to 47.246.136.231 IP addresses.
mx3.qiye.aliyun.com along with mx1.qiye.aliyun.com each resolve to 47.246.137.47 IP addresses.