z0b.cn - robtex.com
z0b.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 42.51.37.121🇨🇳 Fastidc42.51.0.0/18 | ||||||
| NS | ns1.julydns.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 47.97.51.45🇨🇳 Alibaba-Cloud47.96.0.0/15 Aliyun Computing Co., LTD | ||||||
| NS | ns1.judns.com ⚠️ Not in zone NS records | ||||||
| A | 47.97.51.45🇨🇳 Alibaba-Cloud47.96.0.0/15 Aliyun Computing Co., LTD | ||||||
| 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=1765167623 | ||||||
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=2034671308 | ||||||
Same first word
Similar names
bz0.dev |
b0z.ru |
bz0.pro |
b0z.net |
bz0.org |
zb0.com |
zb0.net |
0bz.de |
bz0.net |
0zb.cn |
bz0.com |
bz0.cn |
0zb.de |
bz0.ru |
b0z.de |
0bz.ru |
DNS History
5 records (5 active, 0 former)
●NSns1.julydns.com2026-03-29 → 2026-04-15 · 2 obs
● 2026-04-15 01:50:08
●NSns2.julydns.com2026-03-29 → 2026-04-15 · 2 obs
● 2026-04-15 01:50:08
●A42.51.37.1212026-03-29 → 2026-04-15 · 2 obs
● 2026-04-15 01:50:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | b.dns.cn, c.dns.cn, e.dns.cn, a.dns.cn... | - |
| z0b.cn | ns1.judns.com, ns2.judns.com | - |
✅ Authoritative Response
Server:47.97.51.45
NS records: ns1.judns.com, ns2.judns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for z0b.cn (unsigned zone)
⏱️ Timing
Total: 2989ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 42.51.37.121 |
| NS | 2 | ns1.julydns.com, ns2.julydns.com |
| SOA | 1 | ns1.julydns.com master.jmdns.com |
Analysis
IP Addresses
z0b.cn points to a single IP number: 42.51.37.121.
Name Servers
z0b.cn is delegated to four name servers: ns1.judns.com, ns2.judns.com, ns1.julydns.com and ns2.julydns.com.
z0b.cn at least partially shares name servers with other domains, for instance frco.cn, adftm.com, youandi.cc, btmhfs.com and wlyszj.com.
These name servers are often used with jm1.dns.com and jm2.dns.com.
Host names with one IP number:
ns1.judns.com points to 47.97.51.45.
ns2.judns.com points to 162.159.27.251.
ns1.julydns.com points to 47.97.51.45.
ns2.julydns.com points to 162.159.48.223.
Host names pointing to 47.97.51.45: ns1.judns.com and ns1.julydns.com.