csma.org.cn - robtex.com
csma.org.cn
org.cn
| DNSSEC | ⚠️ Not signed | ||||||
| NS | a.dns.cn ⭐ ⚠️ Not in parent delegation | ||||||
| NS | b.dns.cn ⚠️ Not in parent delegation | ||||||
| NS | c.dns.cn ⚠️ Not in parent delegation | ||||||
| NS | cns.cernet.net ⚠️ Not in parent delegation | ||||||
| NS | d.dns.cn ⚠️ Not in parent delegation | ||||||
| NS | e.dns.cn ⚠️ Not in parent delegation | ||||||
| SOA | a.dns.cnroot@cnnic.cn serial=2027883167 | ||||||
MX for
csma.org.cn |
Subdomains
www.csma.org.cn |
Same first word
Similar names
DNS History
8 records (6 active, 2 former)
●NSdns21.hichina.com2015-06-03 → 2026-07-27 · 2 obs
● 2026-07-27 20:17:26
●NSdns22.hichina.com2015-06-03 → 2026-07-27 · 2 obs
● 2026-07-27 20:17:26
●MXcsma.org.cn2015-06-03 → 2026-07-27 · 2 obs
● 2026-07-27 20:17:26
○A116.90.83.1942015-06-03 → 2016-08-06 · 4 obs
● 2016-08-06 04:16:28
○ 2018-09-04 01:04:48
○ 2026-07-27 20:17:26
●A117.50.126.2332026-07-14 → 2026-07-27 · 3 obs
● 2026-07-14 11:49:40
● 2026-07-27 20:17:26
○A121.52.212.1072018-09-04 → 2018-09-04 · 4 obs
● 2018-09-04 01:04:48
○ 2026-07-14 11:49:40
○ 2026-07-27 20:17:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| csma.org.cn | dns21.hichina.com, dns22.hichina.com | - |
✅ Authoritative Response
Server:139.224.142.100
NS records: dns21.hichina.com, dns22.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for csma.org.cn (unsigned zone)
⏱️ Timing
Total: 1814ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 117.50.126.233 |
| NS | 2 | dns21.hichina.com, dns22.hichina.com |
| MX | 3 | mx.263.net (pri: 4), mxw.263.net (pri: 3)... |
| TXT | 1 | v=spf1 include:spf.263xmail.com ~all |
| SOA | 1 | dns21.hichina.com hostmaster.hichina.com |
Analysis
Hierarchy
www.csma.org.cn is a subdomain of csma.org.cn.
Mail Server Role
csma.org.cn handles its own mail, functioning as its own mail server.
mx.263.net, mxw.263.net and csma.org.cn are frequently seen together as mail servers.
IP Addresses
csma.org.cn resolves to just one IP address, 117.50.126.233.
Two other host names, along with ecoshen.com, xn--3ww49e.xn--czr694b and eacan.com.cn, also share IP numbers with csma.org.cn.
Name Servers
csma.org.cn uses two name servers for its delegation: dns21.hichina.com and dns22.hichina.com.
csma.org.cn shares its NS records with other domains, for example cnivi.com, yunmengmayi.com, ndchina.com.cn and two others.
The name servers for csma.org.cn overlap at least in part with those of other domains, including aoop.net and 6uwk7.cn.
These name servers commonly appear alongside the name servers expirens3.hichina.com and expirens4.hichina.com.
DNS names with 9 IP addresses:
Hostname dns21.hichina.com directs to 39.96.153.40, 39.96.153.60 and 47.118.199.200 along with 6 other IP addresses.
Hostname dns22.hichina.com directs to 39.96.153.38, 39.96.153.61 and 47.118.199.198 along with 6 other IP addresses.
Mail Servers
csma.org.cn has three mail servers responsible for it: csma.org.cn, mx.263.net and mxw.263.net.
There is at least a partial MX overlap between csma.org.cn and other domains, including mingyuanpc.com, zjplt.com, bfc.cn and two others.
Host names that resolve to four IP numbers:
mx.263.net resolves to 38.83.106.84, 38.83.106.85, 143.110.227.31 and 164.92.126.242.
Host names that have two IP addresses:
mxw.263.net directs traffic to 143.110.227.31 and 164.92.126.242.
Host names that point to one IP address:
csma.org.cn has the IP address 117.50.126.233.
Both mx.263.net and mxw.263.net resolve to 143.110.227.31 IP addresses each.
Both mx.263.net and mxw.263.net resolve to 164.92.126.242 IP addresses each.