cssn.cn - dns.ninja
cssn.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.247.176.19🇨🇳 CASS-NET103.247.176.0/22 regist for zhongguoshekeyuan | ||||||
| NS | ns1.cass.cn ⭐ | ||||||
| A | 103.247.176.1🇨🇳 CASS-NET103.247.176.0/22 regist for zhongguoshekeyuan | ||||||
| NS | ns2.cass.cn | ||||||
| A | 103.247.176.2🇨🇳 CASS-NET103.247.176.0/22 regist for zhongguoshekeyuan | ||||||
| MX | qiye163mx01.mxmail.netease.com ⭐ | ||||||
| MX | qiye163mx02.mxmail.netease.com(2) | ||||||
| TXT | v=spf1 include:spf.163.com -all | ||||||
| SOA | ns1.cass.cnroot@cass.cn 2012-09-02 #2 | ||||||
cn
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.dns.cn ⭐ | ||||||
| NS | b.dns.cn | ||||||
| NS | c.dns.cn | ||||||
| NS | d.dns.cn | ||||||
| NS | e.dns.cn | ||||||
| NS | ns.cernet.net ⚠️ Not in parent delegation | ||||||
| SOA | a.dns.cnroot@cnnic.cn serial=2035161974 | ||||||
rank #306 in the tld
WOT: SAFE (86/100)
📈 Tranco rank: #32,492
Subdomains
ie.cssn.cn |
myy.cssn.cn |
xinwen.cssn.cn |
www.cssn.cn |
waas.cssn.cn |
iolaw.cssn.cn |
sscp.cssn.cn |
casseng.cssn.cn |
db.cssn.cn |
Same first word
Similar names
DNS History
6 records (5 active, 1 former)
●MXqiye163mx01.mxmail.netease.com2015-08-04 → 2026-08-10 · 11 obs
● 2026-06-11 12:34:04
○ 2026-06-12 07:42:56
● 2026-06-12 09:32:20
○ 2026-06-26 10:33:54
● 2026-06-26 14:31:22
○ 2026-06-27 23:35:32
● 2026-07-02 01:21:04
○ 2026-07-22 05:39:52
● 2026-07-22 09:48:40
● 2026-08-10 04:02:08
●MXqiye163mx02.mxmail.netease.com2015-08-04 → 2026-08-10 · 11 obs
● 2026-06-11 12:34:04
○ 2026-06-12 07:42:56
● 2026-06-12 09:32:20
○ 2026-06-26 10:33:54
● 2026-06-26 14:31:22
○ 2026-06-27 23:35:32
● 2026-07-02 01:21:04
○ 2026-07-22 05:39:52
● 2026-07-22 09:48:40
● 2026-08-10 04:02:08
○A103.247.176.172015-08-04 → 2018-11-28 · 4 obs
● 2018-11-28 13:17:46
○ 2026-02-15 18:24:42
○ 2026-08-10 04:02:08
●A103.247.176.192026-02-15 → 2026-08-10 · 12 obs
● 2026-02-15 18:24:42
● 2026-06-11 12:34:04
○ 2026-06-12 07:42:56
● 2026-06-12 09:32:20
○ 2026-06-26 10:33:54
● 2026-06-26 14:31:22
○ 2026-06-27 23:35:32
● 2026-07-02 01:21:04
○ 2026-07-22 05:39:52
● 2026-07-22 09:48:40
● 2026-08-10 04:02:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | b.dns.cn, d.dns.cn, e.dns.cn, a.dns.cn... | - |
| cssn.cn | ns1.cass.cn, ns2.cass.cn | 4 records |
✅ Authoritative Response
Server:103.247.176.1
NS records: ns1.cass.cn, ns2.cass.cn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cssn.cn (unsigned zone)
⏱️ Timing
Total: 608ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.247.176.19 |
| NS | 2 | ns1.cass.cn, ns2.cass.cn |
| MX | 2 | qiye163mx01.mxmail.netease.com (pri: 1), qiye163mx02.mxmail.netease.com (pri: 2) |
| TXT | 1 | v=spf1 include:spf.163.com -all |
| SOA | 1 | ns1.cass.cn root.cass.cn |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns1.cass.cn, ns1.cass.cn, ns2.cass.cn...)
Analysis
Hierarchy
cssn.cn is the parent domain of ie.cssn.cn, myy.cssn.cn, xinwen.cssn.cn, www.cssn.cn, waas.cssn.cn and a few other host names.
IP Addresses
cssn.cn has exactly one IP address — 103.247.176.19.
www.cssn.cn, for instance, is one of the other host names sharing IP numbers with cssn.cn.
Name Servers
cssn.cn uses two name servers for its delegation: ns1.cass.cn and ns2.cass.cn.
cssn.cn shares the same name server configuration with 178.247.103.in-addr.arpa, cass.cn, cass.org.cn and cass.net.cn.
ns1.cass.cn and ns2.cass.cn each resolve to one IP number: ns1.cass.cn points to 103.247.176.1 and ns2.cass.cn points to 103.247.176.2.
Mail Servers
cssn.cn uses two mail servers, qiye163mx01.mxmail.netease.com and qiye163mx02.mxmail.netease.com.
The mail server setup of cssn.cn matches that of other domains such as youngsunpack.com, timeer.com.cn, diaborn.com and two others.
At least some of the mail servers used by cssn.cn are shared with other domains: sierdahose.com, industry-app.com, ciss.cn and two others among them.