nb-eduask.cn - robtex.com
nb-eduask.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 107.149.76.138🇺🇸 PEGTECHINC107.149.72.0/21 PEG TECH INC | ||||||
| PTR | lks138.immensed.com | ||||||
| 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=1754050328 | ||||||
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=2034704293 | ||||||
Subdomains
www.nb-eduask.cn |
Same first word
nb-eduask.cn |
DNS History
13 records (3 active, 10 former)
○NSns1.22.cn2015-06-16 → 2016-01-21 · 4 obs
● 2016-01-21 04:40:06
○ 2016-04-12 15:26:54
○ 2026-04-23 21:20:32
○NSns1.51dns.com2016-04-12 → 2016-04-12 · 4 obs
● 2016-04-12 15:26:54
○ 2026-02-24 10:13:46
○ 2026-04-23 21:20:32
●NSns1.nowcndns.com2026-02-24 → 2026-04-23 · 3 obs
● 2026-02-24 10:13:46
● 2026-04-23 21:20:32
○NSns2.22.cn2015-06-16 → 2016-01-21 · 4 obs
● 2016-01-21 04:40:06
○ 2016-04-12 15:26:54
○ 2026-04-23 21:20:32
○NSns2.51dns.com2016-04-12 → 2016-04-12 · 4 obs
● 2016-04-12 15:26:54
○ 2026-02-24 10:13:46
○ 2026-04-23 21:20:32
●NSns2.nowcndns.com2026-02-24 → 2026-04-23 · 3 obs
● 2026-02-24 10:13:46
● 2026-04-23 21:20:32
○NSns3.22.cn2015-06-16 → 2016-01-21 · 4 obs
● 2016-01-21 04:40:06
○ 2016-04-12 15:26:54
○ 2026-04-23 21:20:32
○NSns4.22.cn2015-06-16 → 2016-01-21 · 4 obs
● 2016-01-21 04:40:06
○ 2016-04-12 15:26:54
○ 2026-04-23 21:20:32
○A101.55.26.772017-08-20 → 2017-08-20 · 4 obs
● 2017-08-20 14:57:36
○ 2026-02-24 10:13:46
○ 2026-04-23 21:20:32
○A104.149.169.422015-06-16 → 2015-06-16 · 3 obs
○ 2015-10-26 20:46:42
○ 2026-04-23 21:20:32
●A107.149.76.1382026-02-24 → 2026-04-23 · 3 obs
● 2026-02-24 10:13:46
● 2026-04-23 21:20:32
○A108.186.248.1982015-10-26 → 2015-10-26 · 4 obs
● 2015-10-26 20:46:42
○ 2016-04-12 15:26:54
○ 2026-04-23 21:20:32
○A23.91.3.1472016-04-12 → 2016-04-12 · 4 obs
● 2016-04-12 15:26:54
○ 2026-02-24 10:13:46
○ 2026-04-23 21:20:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | e.dns.cn, c.dns.cn, a.dns.cn, b.dns.cn... | - |
| nb-eduask.cn | ns1.nowcndns.com, ns2.nowcndns.com | - |
✅ Authoritative Response
Server:61.158.128.11
NS records: ns1.nowcndns.com, ns2.nowcndns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for nb-eduask.cn (unsigned zone)
⏱️ Timing
Total: 1780ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 107.149.76.138 |
| NS | 2 | ns1.nowcndns.com, ns2.nowcndns.com |
| SOA | 1 | ns1.nowcndns.com admin.nowcndns.com |
Analysis
Hierarchy
nb-eduask.cn is the parent of www.nb-eduask.cn.
IP Addresses
nb-eduask.cn resolves to a single IP: 107.149.76.138.
Other host names, for instance hbhuayi.com.cn, www.nb-eduask.cn, chezhuziliao.cn, xmlxx.cn and free97.cn share IP numbers with nb-eduask.cn.
Name Servers
nb-eduask.cn has two name servers: ns1.nowcndns.com and ns2.nowcndns.com.
nb-eduask.cn shares the same name server setup as other domains, for example angelke.com.cn, dnvod.cn, 109t.cn, theletters.cn and zoneid.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.