mx3.jysld.cn - robtex.com
mx3.jysld.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 221.133.225.105🇨🇳 SHANGHAITELECOM221.133.225.0/24 Chinanet Shanghai | ||||||
| PTR | mail1.jysld.com | ||||||
jysld.cn
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.jyfund.cn ⭐ | ||||||
| NS | ns2.jyfund.cn | ||||||
| MX | mx1.jysld.cn ⭐ | ||||||
| MX | mx2.jysld.cn(5) | ||||||
| MX | mx3.jysld.cn(10) | ||||||
| MX | mx4.jysld.cn(15) | ||||||
| SOA | ns1.jyfund.cnhostmaster@ns1.jysld.cn 2023-06-20 #2 | ||||||
MX for
Same first word
Similar names
DNS History
1 record (1 active, 0 former)
●A221.133.225.1052026-06-30 → 2026-08-11 · 2 obs
● 2026-06-30 06:53:56
● 2026-08-11 01:35:34
● 2026-08-11 01:35:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | c.dns.cn, a.dns.cn, b.dns.cn, e.dns.cn... | - |
| jysld.cn | ns1.jyfund.cn, ns2.jyfund.cn | 4 records |
✅ Authoritative Response
Server:101.230.222.134
NS records: ns1.jyfund.cn, ns2.jyfund.cn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for jysld.cn (unsigned zone)
⏱️ Timing
Total: 4868ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 221.133.225.105 |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns1.jyfund.cn, ns1.jyfund.cn, ns2.jyfund.cn...)
Analysis
Mail Server Role
mx3.jysld.cn is a mail server for jysld.cn.
As mail servers, mx1.jysld.cn, mx2.jysld.cn and mx4.jysld.cn are often used in combination with mx3.jysld.cn.
IP Addresses
mx3.jysld.cn directs to one IP number, which is 221.133.225.105.
Additional host names — including mail1.jysld.com and mx3.jysld.com — share IP numbers with mx3.jysld.cn.