ctcuzf.cn - robtex.com
ctcuzf.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 117.50.76.223🇨🇳 CHINA169-BJ117.50.64.0/19 China Telecom Beijing Co. Ltd. | ||||||
| NS | ns1.julydns.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 162.159.48.223Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns1.judns.com ⚠️ Not in zone NS records | ||||||
| A | 162.159.27.251Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns2.judns.com ⚠️ Not in zone NS records | ||||||
| A | 162.159.27.251Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns2.julydns.com ⚠️ Not in parent delegation | ||||||
| A | 162.159.48.223Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| SOA | ns1.julydns.commaster@jmdns.com serial=1776907018 | ||||||
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=2034729751 | ||||||
Same first word
ctcuzf.cn |
DNS History
5 records (5 active, 0 former)
●NSns1.julydns.com2026-04-24 → 2026-04-29 · 2 obs
● 2026-04-29 16:24:42
●NSns2.julydns.com2026-04-24 → 2026-04-29 · 2 obs
● 2026-04-29 16:24:42
●A117.50.76.2232026-04-24 → 2026-04-29 · 2 obs
● 2026-04-29 16:24:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | e.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn... | - |
| ctcuzf.cn | ns1.judns.com, ns2.judns.com | - |
✅ Authoritative Response
Server:162.159.27.251
NS records: ns1.judns.com, ns2.judns.com
🔒 DNSSEC Status
❌ Bogus (DNSSEC validation failed)
Validation error at ctcuzf.cn: Error: DNS query timeout: 203.119.29.1 for DS ctcuzf.cn
⏱️ Timing
Total: 4273ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 117.50.76.223 |
| NS | 2 | ns1.julydns.com, ns2.julydns.com |
| SOA | 1 | ns1.julydns.com master.jmdns.com |
Analysis
IP Addresses
ctcuzf.cn points to a single IP address: 117.50.76.223.
Other host names such as ssugle.cn, silpxt.cn, iuxgpzzv.cn, yxwitx.cn and phcbm.cn share IPs with ctcuzf.cn.
Name Servers
ctcuzf.cn is delegated to four name servers: ns1.judns.com, ns2.judns.com, ns1.julydns.com and ns2.julydns.com.
ctcuzf.cn at least partially shares name servers with other domains, for example p-onsite.com, naonaotuan.com, lxwgq.com, wzhpyl.com and xymysh.com.
These name servers are often used together with ns1.onclouddns.com and ns2.onclouddns.com.
ns1.judns.com points to 162.159.27.251
ns2.judns.com points to 162.159.27.251
ns1.julydns.com points to 162.159.48.223
ns2.julydns.com points to 162.159.48.223
ns1.judns.com and ns2.judns.com point to 162.159.27.251
ns1.julydns.com and ns2.julydns.com point to 162.159.48.223