cacter.les.cn - robtex.com
cacter.les.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 220.181.39.39🇨🇳 CHINA-1220.181.32.0/19 China Telecom Beijing Co. Ltd. | ||||||
| PTR | cetc.com.cn | ||||||
les.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 220.185.183.30🇨🇳 CHINATELECOM-ZHEJIANG-JINHUA-IDC220.185.160.0/19 JINHUA, ZHEJIANG Province, P.R.China. | ||||||
| NS | ns1.sfn.cn ⭐ | ||||||
| NS | ns2.sfn.cn | ||||||
| MX | cacter.les.cn ⭐ | ||||||
| TXT | v=spf1 ip4:220.181.46.90 ip4:220.181.39.39 ip4:220.181.78.204 ip4:220.181.78.... | ||||||
| SOA | ns1.sfn.cnroot@ns1.sfn.cn 2026-04-27 #21 | ||||||
MX for
Same first word
Similar names
DNS History
1 record (1 active, 0 former)
●A220.181.39.392026-02-15 → 2026-04-27 · 2 obs
● 2026-02-15 08:57:58
● 2026-04-27 18:40:28
● 2026-04-27 18:40:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| les.cn | ns1.sfn.cn, ns2.sfn.cn | 3 records |
✅ Authoritative Response
Server:101.37.119.99
NS records: ns1.sfn.cn, ns2.sfn.cn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for les.cn (unsigned zone)
⏱️ Timing
Total: 1897ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 220.181.39.39 |
📌 Glue Records Collected
Total: 3
Out-of-bailiwick: 3 (ns1.sfn.cn, ns2.sfn.cn, ns2.sfn.cn)
Analysis
Mail Server Role
cacter.les.cn is the mail server for les.cn.
IP Addresses
cacter.les.cn resolves to one IP number: 220.181.39.39.
other host names including cacter.cetczb.com, cacter.cetca.net.cn, cacter.s-ap.com, cacter.cetc-ss.com and cacter.cetc.com.cn share IP numbers with cacter.les.cn.