lfguochao.com - robtex.com
lfguochao.com
| CNAME | hangzhou.udows.com | ||||||
| DNSSEC | ⚠️ Not signed | ||||||
| A | 121.41.78.71🇨🇳 Alibaba-Cloud121.40.0.0/15 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1783451246 | ||||||
Same first word
lfguochao.com |
DNS History
6 records (3 active, 3 former)
●NSdns11.hichina.com2026-07-07 → 2026-07-07 · 2 obs
○ 2018-08-16 05:27:58
● 2026-07-07 19:23:04
● 2026-07-07 19:23:04
●NSdns12.hichina.com2026-07-07 → 2026-07-07 · 2 obs
○ 2018-08-16 05:27:58
● 2026-07-07 19:23:04
● 2026-07-07 19:23:04
○CNAMEhb023381.bdy.pgdns.cn2018-08-16 → 2018-08-16 · 2 obs
● 2018-08-16 05:27:58
○ 2026-07-07 19:23:04
○ 2026-07-07 19:23:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | c.gtld-servers.net, a.gtld-servers.net, m.gtld-servers.net, i.gtld-servers.net... | - |
| lfguochao.com | dns11.hichina.com, dns12.hichina.com | 18 records |
✅ Authoritative Response
Server:120.76.107.41
NS records: dns11.hichina.com, dns12.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for lfguochao.com (unsigned zone)
⏱️ Timing
Total: 873ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | dns12.hichina.com, dns11.hichina.com |
| CNAME | 1 | hangzhou.udows.com |
| SOA | 1 | dns11.hichina.com hostmaster.hichina.com |
📌 Glue Records Collected
Total: 18
Out-of-bailiwick: 18 (dns11.hichina.com, dns11.hichina.com, dns11.hichina.com...)
Analysis
IP Addresses
lfguochao.com points to a single IP number: 121.41.78.71.
Additional host names — ql.whudows.com, qingdao05.udows.com, rxacc.com and two others — share IP numbers with lfguochao.com.