v4zb.cn - robtex.com
v4zb.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 154.199.207.108🇳🇱 GNET-AS9294154.199.200.0/21 | ||||||
| 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=1776458567 | ||||||
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=2034711490 | ||||||
rank #19896 in the tld
Same first word
v4zb.cn |
DNS History
6 records (5 active, 1 former)
●NSns1.julydns.com2026-03-05 → 2026-04-25 · 2 obs
● 2026-04-25 16:00:54
●NSns2.julydns.com2026-03-05 → 2026-04-25 · 2 obs
● 2026-04-25 16:00:54
○A122.247.216.2502026-03-05 → 2026-03-28 · 4 obs
● 2026-03-28 08:26:52
○ 2026-04-25 16:00:52
○ 2026-04-25 16:00:54
●A154.199.207.1082026-04-25 → 2026-04-25 · 3 obs
● 2026-04-25 16:00:52
● 2026-04-25 16:00:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| v4zb.cn | ns1.judns.com, ns2.judns.com | - |
✅ Authoritative Response
Server:162.159.27.251
NS records: ns1.judns.com, ns2.judns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for v4zb.cn (unsigned zone)
⏱️ Timing
Total: 3467ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 154.199.207.108 |
| NS | 2 | ns1.julydns.com, ns2.julydns.com |
| SOA | 1 | ns1.julydns.com master.jmdns.com |
Analysis
IP Addresses
v4zb.cn points to a single IP: 154.199.207.108.
Name Servers
v4zb.cn's delegation is handled by four name servers: ns1.judns.com, ns2.judns.com, ns1.julydns.com and ns2.julydns.com.
v4zb.cn partially shares name servers with other domains; examples include 9guy.com, api1.cn, zhongysd.com, csfjjq.com and zilanjing.com.
Host names sharing a single IP address:
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.
Host names pointing to 162.159.27.251: ns1.judns.com and ns2.judns.com.
Host names pointing to 162.159.48.223: ns1.julydns.com and ns2.julydns.com.