74book.cn - robtex.com
74book.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 162.211.180.21🇺🇸 ANSHENG-AS-AP162.211.180.0/23 | ||||||
| NS | dns3.4cun.com ⭐ | ||||||
| A | 2408:4005:3dc:af00:a6be:339e:a1a0:ceb7🇨🇳 Alibaba-Cloud2408:4005::/33 | ||||||
| A | 61.172.183.74🇨🇳 SHANGHAITELECOM61.172.182.0/23 SHIDC | ||||||
| NS | dns.4cun.com ⚠️ Not in zone NS records | ||||||
| NS | dns4.51dns.top ⚠️ Not in zone NS records | ||||||
| A | 2408:4005:3dc:af00:a6be:339e:a1a0:ceb7🇨🇳 Alibaba-Cloud2408:4005::/33 | ||||||
| A | 219.138.102.210🇨🇳 CHINATELECOM-HUBEI-YICHANG-IDC219.138.102.0/24 yichang | ||||||
| SOA | dns.4cun.comadmin@74book.cn serial=1772528211 | ||||||
cn
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| 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=2034608082 | ||||||
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●A162.211.180.212026-03-24 → 2026-03-29 · 2 obs
● 2026-03-29 21:09:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| 74book.cn | dns3.4cun.com, dns4.51dns.top | - |
✅ Authoritative Response
Server:61.172.183.74
NS records: dns3.4cun.com, dns4.51dns.top
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 74book.cn (unsigned zone)
⏱️ Timing
Total: 1859ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 162.211.180.21 |
| SOA | 1 | dns.4cun.com admin.74book.cn |
Analysis
IP Addresses
74book.cn points to a single IP address: 162.211.180.21.
Name Servers
74book.cn is delegated to three name servers: dns3.4cun.com, dns.4cun.com and dns4.51dns.top.
At least part of the name servers for 74book.cn are shared with other domains, for instance chubanjie.com, ks-usb.com, 397sf.com, nnymsoft.com and kcdd.cn.
these name servers are commonly used with the name servers dns7.4cun.com, dns1.4cun.com, dns2.51dns.top, dns8.51dns.top, dns5.4cun.com, dns6.51dns.top, dns4.4cun.com, ns3.4cun.com, ns4.4cun.com and dns8.4cun.com.
Hosts with two IP numbers:
dns3.4cun.com points to 2408:4005:3dc:af00:a6be:339e:a1a0:ceb7 and 61.172.183.74.
dns4.51dns.top points to 2408:4005:3dc:af00:a6be:339e:a1a0:ceb7 and 219.138.102.210.
Hosts that point to 2408:4005:3dc:af00:a6be:339e:a1a0:ceb7 are dns3.4cun.com and dns4.51dns.top.