rtstudy.cn - robtex.com
rtstudy.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 193.112.23.250🇨🇳 TENCENT-NET-AP193.112.0.0/18 | ||||||
| NS | puppis.dnspod.net ⭐ | ||||||
| A | 2402:4e00:1470:2::e🇨🇳 TENCENT-NET-AP2402:4e00:1400::/40 | ||||||
| A | 1.12.0.4🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM | ||||||
| A | 1.14.119.35🇨🇳 TENCENT-NET-AP1.14.64.0/18 | ||||||
| A | 111.13.13.35🇨🇳 CHINAMOBILE-CN111.13.0.0/16 CMI (Customer Route) | ||||||
| A | 117.89.178.35🇨🇳 ChinaNet-NANJING-JISHAN-IDC117.89.176.0/21 JS-CT NJ-JS-IDC | ||||||
| A | 220.196.136.35🇨🇳 UNICOM-SHFT-IDC220.196.136.0/24 | ||||||
| NS | stage.dnspod.net | ||||||
| A | 2402:4e00:111:fff::c🇨🇳 TENCENT-NET-AP2402:4e00::/35 | ||||||
| A | 1.12.0.1🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM | ||||||
| A | 1.13.76.35🇨🇳 TENCENT-NET-AP1.13.64.0/18 | ||||||
| A | 36.155.149.35🇨🇳 CMNET-Jiangsu-AP36.155.144.0/21 CMI (Customer Route) | ||||||
| A | 101.227.168.35🇨🇳 SHANGHAITELECOM101.227.168.0/23 SHIDC | ||||||
| A | 111.206.98.235🇨🇳 CHINA169-BJ111.206.98.0/24 | ||||||
| SOA | puppis.dnspod.netfreednsadmin@dnspod.com serial=1789795787 | ||||||
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=2035468456 | ||||||
Same first word
rtstudy.cn |
Similar names
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DNS History
3 records (3 active, 0 former)
●NSpuppis.dnspod.net2026-10-10 → 2026-10-22 · 2 obs
● 2026-10-22 13:10:24
●NSstage.dnspod.net2026-10-10 → 2026-10-22 · 2 obs
● 2026-10-22 13:10:24
●A193.112.23.2502026-10-10 → 2026-10-22 · 2 obs
● 2026-10-22 13:10:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | b.dns.cn, c.dns.cn, e.dns.cn, a.dns.cn... | - |
| rtstudy.cn | stage.dnspod.net, puppis.dnspod.net | - |
✅ Authoritative Response
Server:2402:4e00:1470:2::e
NS records: stage.dnspod.net, puppis.dnspod.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for rtstudy.cn (unsigned zone)
⏱️ Timing
Total: 3640ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 193.112.23.250 |
| NS | 2 | puppis.dnspod.net, stage.dnspod.net |
| SOA | 1 | puppis.dnspod.net freednsadmin.dnspod.co |
Analysis
IP Addresses
rtstudy.cn directs to one IP number, which is 193.112.23.250.
Name Servers
rtstudy.cn has two authoritative name servers — puppis.dnspod.net and stage.dnspod.net.
rtstudy.cn has the same name server delegation as a number of other domains, such as vcore.top, yayej.cn, puax.net and two more.
There is an overlap in name servers between rtstudy.cn and other domains, for example we.com, fthj.top and xh2026.cn
Host names resolving to 6 IP numbers:
puppis.dnspod.net points to 1.12.0.4, 1.14.119.35, 111.13.13.35 and 3 other IP addresses.
stage.dnspod.net points to 1.12.0.1, 1.13.76.35, 36.155.149.35 and 3 other IP addresses.