ppku.cn - robtex.com
ppku.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 38.14.66.69🇺🇸 PEGTECHINC38.14.64.0/18 PEG TECH INC | ||||||
| NS | ns1.nowcndns.com ⭐ | ||||||
| A | 1.193.216.204🇨🇳 CHINANET-Henan-Luoyang-IDC1.193.216.0/24 Chinatelecom HeNan Province Network | ||||||
| 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=1777818833 | ||||||
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=2035045480 | ||||||
Same first word
Similar names
DNS History
9 records (3 active, 6 former)
○NSns1.22.cn2015-05-21 → 2017-02-07 · 4 obs
● 2017-02-07 19:11:22
○ 2026-04-01 17:44:14
○ 2026-07-16 03:14:46
●NSns1.nowcndns.com2026-04-01 → 2026-07-16 · 3 obs
● 2026-04-01 17:44:14
● 2026-07-16 03:14:46
○NSns2.22.cn2016-04-19 → 2016-04-19 · 4 obs
● 2016-04-19 12:49:18
○ 2017-02-07 19:11:22
○ 2026-07-16 03:14:46
●NSns2.nowcndns.com2026-04-01 → 2026-07-16 · 3 obs
● 2026-04-01 17:44:14
● 2026-07-16 03:14:46
○NSns3.22.cn2016-04-19 → 2016-04-19 · 4 obs
● 2016-04-19 12:49:18
○ 2017-02-07 19:11:22
○ 2026-07-16 03:14:46
○NSns4.22.cn2016-04-19 → 2016-04-19 · 4 obs
● 2016-04-19 12:49:18
○ 2017-02-07 19:11:22
○ 2026-07-16 03:14:46
○A108.186.252.1062026-04-01 → 2026-04-07 · 5 obs
● 2026-04-01 17:44:14
● 2026-04-07 21:29:58
○ 2026-06-30 03:00:28
○ 2026-07-16 03:14:46
○A192.200.125.1372015-05-21 → 2017-02-07 · 4 obs
● 2017-02-07 19:11:22
○ 2026-04-01 17:44:14
○ 2026-07-16 03:14:46
●A38.14.66.692026-06-30 → 2026-07-16 · 3 obs
● 2026-06-30 03:00:28
● 2026-07-16 03:14:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| ppku.cn | ns1.nowcndns.com, ns2.nowcndns.com | - |
✅ Authoritative Response
Server:218.98.111.138
NS records: ns1.nowcndns.com, ns2.nowcndns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ppku.cn (unsigned zone)
⏱️ Timing
Total: 1684ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 38.14.66.69 |
| NS | 2 | ns1.nowcndns.com, ns2.nowcndns.com |
| SOA | 1 | ns1.nowcndns.com admin.nowcndns.com |
Analysis
IP Addresses
ppku.cn directs to one IP number, which is 38.14.66.69.
Among the host names that share IP numbers with ppku.cn are kingwei.cn, datianonline.cn, www.jsjtpipe.cn and two others.
Name Servers
Two name servers handle the delegation for ppku.cn: ns1.nowcndns.com and ns2.nowcndns.com.
ppku.cn has the same name server delegation as a number of other domains, such as wtia.cn, akzv.cn, 86068.com.cn and two more.
ns1.nowcndns.com and ns2.nowcndns.com each have three IP addresses — ns1.nowcndns.com directs to 1.193.216.204, 218.98.111.129 and 218.98.111.138; ns2.nowcndns.com directs to 61.158.128.11, 183.253.57.202 and 211.99.99.38.