sinadaxue.com - robtex.com
sinadaxue.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.sina.com.cn ⭐ | ||||||
| A | 221.179.193.14🇨🇳 CHINAMOBILE-CN221.179.192.0/22 CMI (Customer Route) | ||||||
| NS | ns1.sina.com | ||||||
| A | 114.134.80.137🇭🇰 HUTCHISON-AS-AP114.134.80.0/24 HGC Global Communications Limited 17/F Hutchison Telecom Tower 99 Cheung Fai Road, Tsing Yi NT | ||||||
| NS | ns2.sina.com | ||||||
| A | 114.134.80.165🇭🇰 HUTCHISON-AS-AP114.134.80.0/24 HGC Global Communications Limited 17/F Hutchison Telecom Tower 99 Cheung Fai Road, Tsing Yi NT | ||||||
| NS | ns2.sina.com.cn | ||||||
| A | 180.149.138.199🇨🇳 CHINA-1180.149.128.0/19 | ||||||
| NS | ns3.sina.com.cn | ||||||
| A | 123.125.29.99🇨🇳 CHINA169-Backbone123.125.29.0/24 Proxy-registered route object | ||||||
| NS | ns4.sina.com.cn | ||||||
| A | 183.2.215.53🇨🇳 CHINANET-BACKBONE183.0.0.0/10 Mega-II IDC | ||||||
| SOA | ns1.sina.com.cnzhihao@staff.sina.com.cn serial=20050603 | ||||||
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=1778684806 | ||||||
Subdomains
admin.sinadaxue.com |
Same first word
sinadaxue.com.cn |
sinadaxue.com |
sinadaxue.cn |
Similar names
DNS History
8 records (6 active, 2 former)
○NSdns13.hichina.com2015-07-01 → 2017-05-13 · 4 obs
● 2017-05-13 12:46:40
○ 2026-03-02 07:47:50
○ 2026-05-13 15:29:06
○NSdns14.hichina.com2015-07-01 → 2017-05-13 · 4 obs
● 2017-05-13 12:46:40
○ 2026-03-02 07:47:50
○ 2026-05-13 15:29:06
●NSns1.sina.com2026-03-02 → 2026-05-13 · 3 obs
● 2026-03-02 07:47:50
● 2026-05-13 15:29:06
●NSns1.sina.com.cn2026-03-02 → 2026-05-13 · 3 obs
● 2026-03-02 07:47:50
● 2026-05-13 15:29:06
●NSns2.sina.com2026-03-02 → 2026-05-13 · 3 obs
● 2026-03-02 07:47:50
● 2026-05-13 15:29:06
●NSns2.sina.com.cn2026-03-02 → 2026-05-13 · 3 obs
● 2026-03-02 07:47:50
● 2026-05-13 15:29:06
●NSns3.sina.com.cn2026-03-02 → 2026-05-13 · 3 obs
● 2026-03-02 07:47:50
● 2026-05-13 15:29:06
●NSns4.sina.com.cn2026-03-02 → 2026-05-13 · 3 obs
● 2026-03-02 07:47:50
● 2026-05-13 15:29:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, l.gtld-servers.net, j.gtld-servers.net, b.gtld-servers.net... | - |
| sinadaxue.com | ns1.sina.com.cn, ns2.sina.com.cn, ns3.sina.com.cn, ns4.sina.com.cn... | 2 records |
✅ Authoritative Response
Server:221.179.193.14
NS records: ns1.sina.com.cn, ns2.sina.com.cn, ns3.sina.com.cn, ns4.sina.com.cn, ns1.sina.com, ns2.sina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sinadaxue.com (unsigned zone)
⏱️ Timing
Total: 3500ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 6 | ns3.sina.com.cn, ns1.sina.com.cn... |
| SOA | 1 | ns1.sina.com.cn zhihao.staff.sina.com.cn |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.sina.com, ns2.sina.com)
Analysis
Hierarchy
sinadaxue.com is a parent of admin.sinadaxue.com.
Name Servers
sinadaxue.com is delegated to six name servers: ns1.sina.com, ns2.sina.com, ns1.sina.com.cn, ns2.sina.com.cn, ns3.sina.com.cn and ns4.sina.com.cn.
sinadaxue.com at least partially shares name servers with other domains, for instance waya.com, 3.108.202.in-addr.arpa, sportsight.cn, wcdn.cn and sinaimg.cn.
These name servers are commonly used with ns3.sina.com, ns4.sina.com, localhost, ns2.sina.net, ns.sina.net, ns1.sina.com.hk and ns2.sina.com.hk.
Host names with one IP number: ns1.sina.com points to: 114.134.80.137; ns2.sina.com points to: 114.134.80.165; ns1.sina.com.cn points to: 221.179.193.14; ns2.sina.com.cn points to: 180.149.138.199; ns3.sina.com.cn points to: 123.125.29.99; ns4.sina.com.cn points to: 183.2.215.53.