0ctf0n.cn - robtex.com
0ctf0n.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 23.148.236.206AS3038123.148.236.0/24 JIMAMBA LLC | ||||||
| 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.onclouddns.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 | ||||||
| NS | ns2.onclouddns.com ⚠️ Not in zone NS records | ||||||
| A | 162.159.27.251Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| SOA | ns1.julydns.commaster@jmdns.com serial=1781882048 | ||||||
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 2035-06-27 #36 | ||||||
Same first word
0ctf0n.cn |
DNS History
5 records (5 active, 0 former)
●NSns1.julydns.com2026-07-14 → 2026-07-20 · 2 obs
● 2026-07-20 02:14:58
●NSns1.onclouddns.com2026-07-14 → 2026-07-20 · 2 obs
● 2026-07-20 02:14:58
●NSns2.julydns.com2026-07-14 → 2026-07-20 · 2 obs
● 2026-07-20 02:14:58
●NSns2.onclouddns.com2026-07-14 → 2026-07-20 · 2 obs
● 2026-07-20 02:14:58
●A23.148.236.2062026-07-14 → 2026-07-20 · 2 obs
● 2026-07-20 02:14:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| 0ctf0n.cn | ns1.onclouddns.com, ns2.onclouddns.com | - |
✅ Authoritative Response
Server:162.159.27.251
NS records: ns1.onclouddns.com, ns2.onclouddns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 0ctf0n.cn (unsigned zone)
⏱️ Timing
Total: 940ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 23.148.236.206 |
| NS | 2 | ns1.julydns.com, ns2.julydns.com |
| SOA | 1 | ns1.julydns.com master.jmdns.com |
Analysis
IP Addresses
0ctf0n.cn directs to one IP number, which is 23.148.236.206.
Among the host names that share IP numbers with 0ctf0n.cn are sjdapi.com, yz1888.com, sre747.cn and two others.
Name Servers
The domain 0ctf0n.cn is delegated to these four name servers: ns1.julydns.com, ns2.julydns.com, ns1.onclouddns.com and ns2.onclouddns.com.
The name servers of 0ctf0n.cn overlap at least partially with those of other domains — among them zqxfw.com, panshanchina.com, huijingeasybuy.com and two more.
These name servers commonly appear alongside the name servers ns1.judns.com and ns2.judns.com.
Each of ns1.julydns.com, ns2.julydns.com, ns1.onclouddns.com and ns2.onclouddns.com has a single IP address — ns1.julydns.com and ns2.julydns.com direct to 162.159.48.223, and ns1.onclouddns.com and ns2.onclouddns.com direct to 162.159.27.251.
The host names ns1.julydns.com and ns2.julydns.com both resolve to 162.159.48.223 IP addresses.
The host names ns1.onclouddns.com and ns2.onclouddns.com both resolve to 162.159.27.251 IP addresses.