xsch.cn - robtex.com
xsch.cn
| DNSSEC | ⚠️ Not signed | ||||||
| NS | dns1.dnsrun.cn ⚠️ Not in zone NS records | ||||||
| NS | dns2.51dns.top ⚠️ Not in zone NS records | ||||||
| A | 2408:4005:3dc:af00:a6be:339e:a1a0:d2b8🇨🇳 Alibaba-Cloud2408:4005::/33 | ||||||
| A | 219.138.102.210🇨🇳 CHINATELECOM-HUBEI-YICHANG-IDC219.138.102.0/24 yichang | ||||||
cn
| DNSSEC | ⚠️ Not signed | ||||||
| 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=2035039664 | ||||||
Same first word
Similar names
DNS History
4 records (2 active, 2 former)
○NSdns.4cun.com2026-07-13 → 2026-07-13 · 3 obs
○ 2026-07-13 07:18:20
○ 2026-07-14 12:16:28
○A221.231.139.592026-07-13 → 2026-07-13 · 3 obs
○ 2026-07-13 07:18:20
○ 2026-07-14 12:16:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | e.dns.cn, c.dns.cn, a.dns.cn, b.dns.cn... | - |
| xsch.cn | dns1.dnsrun.cn, dns2.51dns.top | - |
✅ Authoritative Response
Server:219.138.102.210
NS records: dns1.dnsrun.cn, dns2.51dns.top
🔒 DNSSEC Status
❌ Bogus (DNSSEC validation failed)
Validation error at xsch.cn: Error: DNS query timeout: 203.119.29.1 for DS xsch.cn
⏱️ Timing
Total: 4795ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 221.231.139.59 |
| SOA | 1 | dns.4cun.com admin.xsch.cn |
Analysis
Name Servers
The NS records for xsch.cn delegate to dns1.dnsrun.cn and dns2.51dns.top.
xsch.cn uses the same name servers as several other domains — among them shdli.com, 05556.com.cn, jsia.org.cn and two more.
xsch.cn partially shares its NS delegation with several other domains, including ahtb.cn, minmetalscondo.com, hrtrade.com and two others.
The name servers dns.4cun.com, dns1.4cun.com, dns4.51dns.top and dns3.4cun.com are often found in use alongside these name servers.
Hostnames that resolve to two IP addresses:
The A records for dns2.51dns.top return 219.138.102.210 and 2408:4005:3dc:af00:a6be:339e:a1a0:d2b8.