book9.cn - robtex.com
book9.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 149.120.162.64🇨🇦 AS398478149.120.160.0/19 PEG TECH INC | ||||||
| NS | ns1.nowcndns.com ⭐ | ||||||
| A | 1.193.216.204🇨🇳 CHINANET-Henan-Luoyang-IDC1.193.216.0/24 Chinatelecom HeNan Province Network | ||||||
| PTR | ip-1-193-216-204.defastlink.net | ||||||
| A | 218.98.111.129🇩🇪 HKCICL-AS-AP218.98.111.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| A | 218.98.111.138🇩🇪 HKCICL-AS-AP218.98.111.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| NS | ns2.nowcndns.com | ||||||
| A | 61.158.128.11🇨🇳 CHINA169-Backbone61.158.128.0/17 CNC Group CHINA169 Henan Province Network | ||||||
| PTR | 11.128.158.61.ha.cnc | ||||||
| A | 183.253.57.202🇨🇳 CHINAMOBILE-CN183.253.0.0/16 CMI (Customer Route) | ||||||
| A | 211.99.99.38🇨🇳 DONGGUAN-1211.99.99.0/24 Proxy-registered route object | ||||||
| SOA | ns1.nowcndns.comadmin@nowcndns.com serial=1773489159 | ||||||
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=2034598115 | ||||||
Same first word
Similar names
DNS History
14 records (3 active, 11 former)
○NScm1.xrnet.cn2016-12-05 → 2016-12-05 · 4 obs
● 2016-12-05 06:25:58
○ 2018-08-06 14:27:02
○ 2026-03-28 08:55:16
○NScm2.xrnet.cn2016-12-05 → 2016-12-05 · 4 obs
● 2016-12-05 06:25:58
○ 2018-08-06 14:27:02
○ 2026-03-28 08:55:16
○NSns.cnkuai.cn2015-08-07 → 2018-08-06 · 6 obs
● 2016-04-17 16:23:00
○ 2016-12-05 06:25:58
● 2018-08-06 14:27:02
○ 2026-03-07 09:32:32
○ 2026-03-28 08:55:16
○NSns.cnkuai.com2015-08-07 → 2015-08-07 · 3 obs
○ 2015-12-11 10:11:02
○ 2026-03-28 08:55:16
●NSns1.nowcndns.com2026-03-07 → 2026-03-28 · 3 obs
● 2026-03-07 09:32:32
● 2026-03-28 08:55:16
○NSns2.cnkuai.com2015-08-07 → 2015-08-07 · 3 obs
○ 2015-12-11 10:11:02
○ 2026-03-28 08:55:16
●NSns2.nowcndns.com2026-03-07 → 2026-03-28 · 3 obs
● 2026-03-07 09:32:32
● 2026-03-28 08:55:16
○NSns3.cnkuai.com2015-08-07 → 2015-08-07 · 3 obs
○ 2015-12-11 10:11:02
○ 2026-03-28 08:55:16
○MXmail.p45121140132.s1865.jianzhanapp.com2016-12-05 → 2016-12-05 · 3 obs
○ 2018-08-06 14:27:02
○ 2026-03-28 08:55:16
○A149.120.162.482026-03-07 → 2026-03-07 · 4 obs
● 2026-03-07 09:32:32
○ 2026-03-25 12:34:56
○ 2026-03-28 08:55:16
●A149.120.162.642026-03-25 → 2026-03-28 · 3 obs
● 2026-03-25 12:34:56
● 2026-03-28 08:55:16
○A180.178.39.1822015-08-07 → 2016-04-17 · 4 obs
● 2016-04-17 16:23:00
○ 2016-12-05 06:25:58
○ 2026-03-28 08:55:16
○A45.121.140.1322016-12-05 → 2016-12-05 · 4 obs
● 2016-12-05 06:25:58
○ 2018-08-06 14:27:02
○ 2026-03-28 08:55:16
○CNAMEp45121140132.s1865.jianzhanapp.com2016-12-05 → 2018-08-06 · 4 obs
● 2018-08-06 14:27:02
○ 2026-03-07 09:32:32
○ 2026-03-28 08:55:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| book9.cn | ns1.nowcndns.com, ns2.nowcndns.com | - |
✅ Authoritative Response
Server:183.253.57.202
NS records: ns1.nowcndns.com, ns2.nowcndns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for book9.cn (unsigned zone)
⏱️ Timing
Total: 4907ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 149.120.162.64 |
| NS | 2 | ns1.nowcndns.com, ns2.nowcndns.com |
| SOA | 1 | ns1.nowcndns.com admin.nowcndns.com |
Analysis
IP Addresses
book9.cn points to a single IP address: 149.120.162.64.
Other host names such as umpc.org.cn, ppztc.cn, sygsearch-aol-a.gsygsearch-aol-www.hengyuanhuagong.cn, chonger.net.cn and aizhuanjiao.cn share IP numbers with book9.cn.
Name Servers
book9.cn is delegated to two name servers: ns1.nowcndns.com and ns2.nowcndns.com.
book9.cn uses the same name server setup as other domains, including uhaw.cn, nmjkw.cn, smcmarine.cn, cysx.com.cn and ahdu.cn.
Host names with three IP numbers:
ns1.nowcndns.com points to 1.193.216.204, 218.98.111.129 and 218.98.111.138; ns2.nowcndns.com points to 61.158.128.11, 183.253.57.202 and 211.99.99.38.