ns3.content4ads.com - robtex.com
ns3.content4ads.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 220.181.33.31🇨🇳 CHINA-1220.181.32.0/19 China Telecom Beijing Co. Ltd. | ||||||
content4ads.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | content4ads.com ⭐ | ||||||
| NS | ns1.baidu.com ⚠️ Not in zone NS records | ||||||
| NS | ns1.content4ads.com ⚠️ Not in parent delegation | ||||||
| NS | ns2.baidu.com ⚠️ Not in zone NS records | ||||||
| NS | ns2.content4ads.com ⚠️ Not in parent delegation | ||||||
| NS | ns3.baidu.com ⚠️ Not in zone NS records | ||||||
| NS | ns3.content4ads.com ⚠️ Not in parent delegation | ||||||
| NS | ns4.baidu.com ⚠️ Not in zone NS records | ||||||
| NS | ns4.content4ads.com ⚠️ Not in parent delegation | ||||||
| SOA | content4ads.comroot@content4ads.com 2010-04-21 #37 | ||||||
NS for
Same first word
Similar names
DNS History
2 records (1 active, 1 former)
●A220.181.33.312026-02-16 → 2026-03-22 · 3 obs
○ 2016-04-16 20:19:30
● 2026-02-16 09:06:38
● 2026-03-22 07:26:30
● 2026-02-16 09:06:38
● 2026-03-22 07:26:30
○A220.181.37.102015-07-03 → 2016-04-16 · 4 obs
● 2015-07-03 07:05:10
● 2016-04-16 20:19:30
○ 2026-02-16 09:06:38
○ 2026-03-22 07:26:30
● 2016-04-16 20:19:30
○ 2026-02-16 09:06:38
○ 2026-03-22 07:26:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | d.gtld-servers.net, k.gtld-servers.net, i.gtld-servers.net, m.gtld-servers.net... | - |
| content4ads.com | ns2.baidu.com, ns3.baidu.com, ns4.baidu.com, ns1.baidu.com | 8 records |
✅ Authoritative Response
Server: 220.181.33.31
NS records: ns2.baidu.com, ns3.baidu.com, ns4.baidu.com, ns1.baidu.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for content4ads.com (unsigned zone)
⏱️ Timing
Total: 3471ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 220.181.33.31 |
📌 Glue Records Collected
Total: 8
Out-of-bailiwick: 8 (ns2.baidu.com, ns2.baidu.com, ns3.baidu.com...)
Analysis
Name Server Role
ns3.content4ads.com serves as a name server for content4ads.com.
content4ads.com, ns1.baidu.com and ns2.baidu.com are commonly used as name servers along with ns3.content4ads.com.
IP Addresses
ns3.content4ads.com resolves to one IP number: 220.181.33.31.
other host names including ns2.baidu.cn, ns4.baiduwebgame.com, ns3.baiduwebgame.com, ns3.skycn.net and ns4.baiduwebgame.net share IP numbers with ns3.content4ads.com.