opencas.ac.cn - robtex.com
opencas.ac.cn
| DNSSEC | ⚠️ Not signed | ||||||
| NS | f1g1ns1.dnspod.net ⚠️ Not in zone NS records | ||||||
| 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 | 117.135.128.235🇨🇳 CHINAMOBILE-CN117.135.128.0/24 CMI (Customer Route) | ||||||
| PTR | (root) | ||||||
| A | 125.94.59.235🇨🇳 CHINANET-BACKBONE125.88.0.0/13 chinanet Guangdong network | ||||||
| A | 163.177.5.35🇨🇳 UNICOM-GuangZhou-IDC163.177.5.0/24 | ||||||
| NS | f1g1ns2.dnspod.net ⚠️ Not in zone NS records | ||||||
| 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 | 106.39.207.235🇨🇳 CHINA-1106.39.192.0/19 China Telecom Beijing Co. Ltd. | ||||||
| A | 111.206.98.235🇨🇳 CHINA169-BJ111.206.98.0/24 | ||||||
| A | 220.196.136.35🇨🇳 UNICOM-SHFT-IDC220.196.136.0/24 | ||||||
ac.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=2027271393 | ||||||
Same first word
Similar names
DNS History
2 records (2 active, 0 former)
●NSf1g1ns1.dnspod.net2026-04-29 → 2026-07-10 · 2 obs
● 2026-07-10 07:46:18
●NSf1g1ns2.dnspod.net2026-04-29 → 2026-07-10 · 2 obs
● 2026-07-10 07:46:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | b.dns.cn, e.dns.cn, a.dns.cn, c.dns.cn... | - |
| opencas.ac.cn | f1g1ns1.dnspod.net, f1g1ns2.dnspod.net | - |
✅ Authoritative Response
Server:163.177.5.35
NS records: f1g1ns1.dnspod.net, f1g1ns2.dnspod.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for opencas.ac.cn (unsigned zone)
⏱️ Timing
Total: 4084ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | f1g1ns2.dnspod.net, f1g1ns1.dnspod.net |
| SOA | 1 | f1g1ns1.dnspod.net freednsadmin.dnspod.c |
Analysis
Name Servers
Two name servers handle the delegation for opencas.ac.cn: f1g1ns1.dnspod.net and f1g1ns2.dnspod.net.
opencas.ac.cn uses the same name servers as several other domains — among them pshangcheng.com, 9496.com, yxwhcm.net and two more.
opencas.ac.cn partially shares its NS delegation with several other domains, including t960.com, e2m8ie1.top, ulk3e.icu and two others.
These name servers regularly co-occur with the name servers a.dnspod.com, b.dnspod.com and c.dnspod.com.
Hostnames that resolve to 8 IP addresses:
f1g1ns2.dnspod.net resolves to 1.12.0.1, 1.13.76.35 and 36.155.149.35 among others, with 5 other IP addresses in total.
Hostnames that resolve to 7 IP addresses:
f1g1ns1.dnspod.net resolves to 1.12.0.4, 1.14.119.35 and 111.13.13.35 among others, with 4 other IP addresses in total.