iot-sim.cn - robtex.com
iot-sim.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 168.76.252.107🇿🇦 ASLINE-AS-AP168.76.252.0/24 Proxy-registered route object | ||||||
| NS | ns1.a1-w.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 43.139.47.199🇨🇳 TENCENT-NET-AP43.139.0.0/18 | ||||||
| NS | ns2.a1-w.com ⚠️ Not in parent delegation | ||||||
| A | 101.43.82.160🇨🇳 TENCENT-NET-AP101.43.64.0/18 CTJS-NJJS-IDC-tencent | ||||||
| NS | ns3.a1-w.com | ||||||
| A | 101.43.82.160🇨🇳 TENCENT-NET-AP101.43.64.0/18 CTJS-NJJS-IDC-tencent | ||||||
| NS | ns4.a1-w.com | ||||||
| A | 43.139.47.199🇨🇳 TENCENT-NET-AP43.139.0.0/18 | ||||||
| SOA | ns1.a1-w.comadmin@iot-sim.cn serial=3 | ||||||
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=2034788963 | ||||||
Previously NS for
iot-sim.cn |
Same first word
Similar names
DNS History
7 records (5 active, 2 former)
○NSiot-sim.cn2018-09-18 → 2018-09-18 · 3 obs
○ 2026-03-26 12:15:34
○ 2026-05-13 23:46:08
●NSns1.a1-w.com2026-05-13 → 2026-05-13 · 3 obs
● 2026-05-13 23:46:04
● 2026-05-13 23:46:08
●NSns2.a1-w.com2026-05-13 → 2026-05-13 · 3 obs
● 2026-05-13 23:46:04
● 2026-05-13 23:46:08
●NSns3.a1-w.com2026-03-26 → 2026-05-13 · 3 obs
● 2026-03-26 12:15:34
● 2026-05-13 23:46:08
●NSns4.a1-w.com2026-03-26 → 2026-05-13 · 3 obs
● 2026-03-26 12:15:34
● 2026-05-13 23:46:08
●A168.76.252.1072026-05-13 → 2026-05-13 · 2 obs
● 2026-05-13 23:46:08
○CNAMEkajiaalt1.gotoip4.com2018-09-18 → 2018-09-18 · 3 obs
○ 2026-03-26 12:15:34
○ 2026-05-13 23:46:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | d.dns.cn, c.dns.cn, a.dns.cn, b.dns.cn... | - |
| iot-sim.cn | ns3.a1-w.com, ns4.a1-w.com | - |
✅ Authoritative Response
Server:43.139.47.199
NS records: ns3.a1-w.com, ns4.a1-w.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for iot-sim.cn (unsigned zone)
⏱️ Timing
Total: 1426ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 168.76.252.107 |
| NS | 4 | ns1.a1-w.com, ns2.a1-w.com... |
| SOA | 1 | ns1.a1-w.com admin.iot-sim.cn |
Analysis
IP Addresses
iot-sim.cn resolves to a single IP address: 168.76.252.107.
Other host names including homebell.net, mmwly.com, pplbj.com, kjliu.com and sholympicgarden.com share IP numbers with iot-sim.cn.
Name Servers
iot-sim.cn is delegated to four name servers: ns1.a1-w.com, ns2.a1-w.com, ns3.a1-w.com and ns4.a1-w.com.
iot-sim.cn at least partially shares name servers with other domains, including vzowz.com, nacnp.com, cqyqw.com, lldag.com and wzfaye.com.
Host names map to one IP number:
ns1.a1-w.com points to 43.139.47.199.
ns2.a1-w.com points to 101.43.82.160.
ns3.a1-w.com points to 101.43.82.160.
ns4.a1-w.com points to 43.139.47.199.
Host names pointing to 43.139.47.199: ns1.a1-w.com and ns4.a1-w.com.
Host names pointing to 101.43.82.160: ns2.a1-w.com and ns3.a1-w.com.