chengbook.com - robtex.com
chengbook.com
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=1771291435 | ||||||
Subdomains
www.chengbook.com |
Same first word
chengbook.com |
Similar names
DNS History
9 records (4 active, 5 former)
●NSdns13.hichina.com2016-12-25 → 2026-03-23 · 3 obs
● 2016-12-25 13:14:12
● 2026-03-23 01:25:10
●NSdns14.hichina.com2016-12-25 → 2026-03-23 · 3 obs
● 2016-12-25 13:14:12
● 2026-03-23 01:25:10
○NSf1g1ns1.dnspod.net2015-06-26 → 2016-04-27 · 4 obs
● 2016-04-27 16:48:02
○ 2016-12-25 13:14:12
○ 2026-03-23 01:25:10
○NSf1g1ns2.dnspod.net2015-06-26 → 2016-04-27 · 4 obs
● 2016-04-27 16:48:02
○ 2016-12-25 13:14:12
○ 2026-03-23 01:25:10
○A103.74.195.1992016-12-25 → 2017-12-24 · 5 obs
● 2016-12-25 13:14:12
● 2017-12-24 02:43:40
○ 2026-02-23 13:17:48
○ 2026-03-23 01:25:10
○A210.209.124.702015-11-08 → 2016-04-27 · 5 obs
● 2015-11-08 11:46:24
● 2016-04-27 16:48:02
○ 2016-12-25 13:14:12
○ 2026-03-23 01:25:10
○A59.188.70.1562015-06-26 → 2015-06-26 · 3 obs
○ 2015-11-08 11:46:24
○ 2026-03-23 01:25:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| chengbook.com | dns13.hichina.com, dns14.hichina.com | 18 records |
✅ Authoritative Response
Server:120.76.107.42
NS records: dns13.hichina.com, dns14.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for chengbook.com (unsigned zone)
⏱️ Timing
Total: 6268ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | dns14.hichina.com, dns13.hichina.com |
| MX | 2 | mxbiz1.qq.com (pri: 5), mxbiz2.qq.com (pri: 10) |
| SOA | 1 | dns13.hichina.com hostmaster.hichina.com |
📌 Glue Records Collected
Total: 18
Out-of-bailiwick: 18 (dns13.hichina.com, dns13.hichina.com, dns13.hichina.com...)
Analysis
Hierarchy
chengbook.com is the parent of www.chengbook.com.
Name Servers
chengbook.com is delegated to two name servers: dns13.hichina.com and dns14.hichina.com.
chengbook.com shares the same name server setup as other domains, for example hengmuyiyan.com, wliving.cn, bafito.net, delic.cn and zhwnykj.com.
Host names with nine IP numbers:
dns13.hichina.com points to: 2408:4009:501::21, 39.96.153.42, 39.96.153.52, 47.118.199.202, 47.118.199.212, 120.76.107.42, 120.76.107.52, 139.224.142.112 and 139.224.142.122.
dns14.hichina.com points to: 2408:4009:501::22, 39.96.153.41, 39.96.153.51, 47.118.199.201, 47.118.199.211, 120.76.107.41, 120.76.107.51, 139.224.142.111 and 139.224.142.121.
Mail Servers
chengbook.com is handled by two mail servers: mxbiz1.qq.com and mxbiz2.qq.com.
chengbook.com shares the same mail server setup as other domains, for instance jacdb.com, yhsee.com, bauway.com, meogames.com and touki.cn.
chengbook.com shares at least partially some mail servers with other domains, for example wpyou.com, everelectronics.cn, 86cpws.com and kurobas-sr.com.
Host names with two IP numbers:
mxbiz1.qq.com points to 203.205.147.218 and 203.205.232.191.
Host names with one IP number:
mxbiz2.qq.com points to 203.205.232.191.
Names pointing to 203.205.232.191: mxbiz1.qq.com and mxbiz2.qq.com.