letsup.cn - robtex.com
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letsup.cn
cn
| DNSSEC | ⚠️ Not signed | ||||||
| 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=2034456417 | ||||||
Same first word
Similar names
DNS History
3 records (3 active, 0 former)
●NSdns3.hichina.com2026-02-17 → 2026-02-17 · 2 obs
● 2026-02-17 21:01:42
●NSdns4.hichina.com2026-02-17 → 2026-02-17 · 2 obs
● 2026-02-17 21:01:42
●A47.98.144.442026-02-17 → 2026-02-17 · 2 obs
● 2026-02-17 21:01:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| letsup.cn | dns3.hichina.com, dns4.hichina.com | - |
✅ Authoritative Response
Server: 139.224.142.114
NS records: dns3.hichina.com, dns4.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for letsup.cn (unsigned zone)
⏱️ Timing
Total: 2490ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 47.98.144.44 |
| NS | 2 | dns3.hichina.com, dns4.hichina.com |
| SOA | 1 | dns3.hichina.com hostmaster.hichina.com |
AI analysis
letsup.cn points to an IP address: 47.98.144.44.
Two name servers dns3.hichina.com and dns4.hichina.com handle the delegation for letsup.cn.
letsup.cn shares the same name server setup as other domains, for instance bzhdkj.com, wnvc.cn, qujia.cn, appwill.com and jft99.com.
letsup.cn at least partially shares name servers with other domains, for instance goodsale.cn, 2737.com.cn, cloudinvoice.com, itwek.cn and svos.cn.
These name servers are commonly used with the following: expirens3.hichina.com, expirens4.hichina.com, ns1.alidns.com and ns2.alidns.com.
Host names with nine IP numbers:
dns3.hichina.com points to: 2408:4009:501::11, 39.96.153.43, 39.96.153.63, 47.118.199.203, 47.118.199.213, 120.76.107.43, 120.76.107.63, 139.224.142.113 and 139.224.142.123.
dns4.hichina.com points to: 2408:4009:501::12, 39.96.153.44, 39.96.153.54, 47.118.199.204, 47.118.199.214, 120.76.107.44, 120.76.107.54, 139.224.142.114 and 139.224.142.124.