server520.com - dns.ninja
server520.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=1781455435 | ||||||
Subdomains
mail.server520.com |
Same first word
server520.com |
Similar names
DNS History
9 records (8 active, 1 former)
●NSns7.01isp.com2026-02-24 → 2026-06-14 · 3 obs
● 2026-02-24 13:55:44
● 2026-06-14 16:56:00
●NSns8.01isp.net2026-02-24 → 2026-06-14 · 3 obs
● 2026-02-24 13:55:44
● 2026-06-14 16:56:00
○MXmail.server520.com2016-12-19 → 2017-12-19 · 4 obs
● 2017-12-19 06:19:34
○ 2026-02-24 13:55:44
○ 2026-06-14 16:56:00
●MXmx2.qiye.aliyun.com2026-02-24 → 2026-06-14 · 3 obs
● 2026-02-24 13:55:44
● 2026-06-14 16:56:00
●MXmxn.mxhichina.com2026-02-24 → 2026-06-14 · 3 obs
● 2026-02-24 13:55:44
● 2026-06-14 16:56:00
●MXmxw.mxhichina.com2026-02-24 → 2026-06-14 · 3 obs
● 2026-02-24 13:55:44
● 2026-06-14 16:56:00
●A120.24.226.482016-12-19 → 2026-06-14 · 2 obs
● 2026-06-14 16:56:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| server520.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 server520.com (unsigned zone)
⏱️ Timing
Total: 1350ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 120.24.226.48 |
| NS | 2 | ns7.01isp.com, ns8.01isp.net |
| MX | 4 | mx2.qiye.aliyun.com (pri: 2), mx2.qiye.aliyun.com (pri: 1)... |
| TXT | 1 | v=spf1 include:spf.mxhichina.com -all |
| SOA | 1 | ns3.01isp.com admin.now.cn |
📌 Glue Records Collected
Total: 1
Out-of-bailiwick: 1 (ns3.01isp.com)
Analysis
Hierarchy
mail.server520.com is delegated beneath server520.com.
IP Addresses
server520.com has exactly one IP address — 120.24.226.48.
mail.server520.com, for instance, is one of the other host names sharing IP numbers with server520.com.
Name Servers
Four name servers handle the delegation for server520.com: ns3.01isp.com, ns7.01isp.com, ns4.01isp.net and ns8.01isp.net.
There is at least partial name server overlap between server520.com and other domains — takasago-ss.com, chinaipmanagers.com, mycosemail.org and two more among them.
These name servers are routinely deployed together with the name servers verification-30t7kid8.ns3.dan.hosting.
ns3.01isp.com and ns7.01isp.com share the IP address 42.240.142.46; ns4.01isp.net and ns8.01isp.net share the IP address 47.239.41.106.
Both ns3.01isp.com and ns7.01isp.com resolve to 42.240.142.46 IP addresses each.
Both ns4.01isp.net and ns8.01isp.net resolve to 47.239.41.106 IP addresses each.
Mail Servers
Incoming mail for server520.com is delivered via three mail servers: mxn.mxhichina.com, mxw.mxhichina.com and mx2.qiye.aliyun.com.
At least some of the mail servers used by server520.com are shared with other domains: auto-made.com, celiafashion.com, sirius.ltd and two others among them.
These mail servers are routinely seen in conjunction with the mail servers mx3.qiye.aliyun.com and mx1.qiye.aliyun.com.
Host names pointing to two IP addresses:
mxn.mxhichina.com directs traffic to 47.246.136.231 and 47.246.137.47.
Host names resolving to a single IP address:
mxw.mxhichina.com has the IP address 47.246.99.195.
mx2.qiye.aliyun.com has the IP address 47.246.146.255.