mx1.jysld.cn - robtex.com
mx1.jysld.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 221.133.225.104🇨🇳 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)
●A221.133.225.1042026-06-30 → 2026-08-10 · 2 obs
● 2026-06-30 06:54:00
● 2026-08-10 19:58:24
● 2026-08-10 19:58:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| jysld.cn | ns1.jyfund.cn, ns2.jyfund.cn | 4 records |
✅ Authoritative Response
Server:27.115.110.147
NS records: ns1.jyfund.cn, ns2.jyfund.cn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for jysld.cn (unsigned zone)
⏱️ Timing
Total: 1196ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 221.133.225.104 |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns1.jyfund.cn, ns1.jyfund.cn, ns2.jyfund.cn...)
Analysis
Mail Server Role
The mail server mx1.jysld.cn processes email for jysld.cn.
As mail servers, mx2.jysld.cn, mx3.jysld.cn and mx4.jysld.cn are often used in combination with mx1.jysld.cn.
IP Addresses
mx1.jysld.cn resolves to just one IP address, 221.133.225.104.
Additional host names — including mx1.jysld.com and mail1.jysld.com — share IP numbers with mx1.jysld.cn.