math.net.cn - robtex.com
math.net.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 208.98.40.204🇺🇸 SHARKTECH-1208.98.40.0/24 | ||||||
| NS | www.math.net.cn ⭐ | ||||||
| A | 208.98.40.74🇺🇸 SHARKTECH-1208.98.40.0/24 | ||||||
| NS | ns1.4.cn ⚠️ Not in zone NS records | ||||||
| A | 107.167.27.66🇺🇸 SHARKTECH-1107.167.27.0/24 CMI (Customer Route) | ||||||
| NS | ns2.4.cn ⚠️ Not in zone NS records | ||||||
| SOA | www.math.net.cnmath@net.cn 2008-08-03 #0 | ||||||
net.cn
| DNSSEC | ⚠️ Not signed | ||||||
| NS | a.dns.cn ⭐ ⚠️ Not in parent delegation | ||||||
| NS | b.dns.cn ⚠️ Not in parent delegation | ||||||
| NS | c.dns.cn ⚠️ Not in parent delegation | ||||||
| NS | cns.cernet.net ⚠️ Not in parent delegation | ||||||
| NS | d.dns.cn ⚠️ Not in parent delegation | ||||||
| NS | e.dns.cn ⚠️ Not in parent delegation | ||||||
| SOA | a.dns.cnroot@cnnic.cn serial=2028152441 | ||||||
Same first word
Similar names
DNS History
5 records (4 active, 1 former)
●NSwww.math.net.cn2026-04-12 → 2026-04-13 · 2 obs
● 2026-04-13 11:43:16
●A208.98.40.2042026-04-13 → 2026-04-13 · 2 obs
● 2026-04-13 11:43:16
○A208.98.40.2102026-04-12 → 2026-04-12 · 2 obs
○ 2026-04-13 11:43:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| math.net.cn | ns1.4.cn, ns2.4.cn | - |
✅ Authoritative Response
Server:107.167.27.66
NS records: ns1.4.cn, ns2.4.cn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for math.net.cn (unsigned zone)
⏱️ Timing
Total: 1347ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 208.98.40.204 |
| SOA | 1 | www.math.net.cn math.net.cn |
Analysis
IP Addresses
math.net.cn resolves to a single IP address: 208.98.40.204.
Other host names including www.www.www.sundar.cn, www.gonglu.com, www.sse.www.www.dnlan.com, www.www.44164.com and www.5197.net share IP numbers with math.net.cn.
Name Servers
math.net.cn is delegated to three name servers: ns1.4.cn, ns2.4.cn and www.math.net.cn.
math.net.cn at least partially shares name servers with other domains, including huaxiagift.com, shencu.com, mojing.cn, ctzf.com.cn and 66mz.com.
These name servers are commonly used with ns3.4.cn and ns4.4.cn.
Host names with a single IP:
ns1.4.cn points to 107.167.27.66.
www.math.net.cn points to 208.98.40.74.