ztbinfo.cn - robtex.com
ztbinfo.cn
| DNSSEC | ⚠️ Not signed | ||||||
| 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 | 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 | 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 | ||||||
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=2034715175 | ||||||
Same first word
ztbinfo.cn |
DNS History
4 records (4 active, 0 former)
●NSns1.julydns.com2026-02-24 → 2026-04-26 · 2 obs
● 2026-04-26 18:05:56
●NSns2.julydns.com2026-02-24 → 2026-04-26 · 2 obs
● 2026-04-26 18:05:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | d.dns.cn, b.dns.cn, a.dns.cn, c.dns.cn... | - |
| ztbinfo.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 ztbinfo.cn (unsigned zone)
⏱️ Timing
Total: 1322ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns1.julydns.com, ns2.julydns.com |
Analysis
Name Servers
ztbinfo.cn is delegated to four name servers: ns1.judns.com, ns2.judns.com, ns1.julydns.com and ns2.julydns.com.
ztbinfo.cn at least partially shares name servers with other domains, for instance vipivx.com, ogointeractive.com, ourskyedu.cn, rifenews.com and pindarzs.com.
These name servers are commonly used alongside jm1.dns.com and jm2.dns.com.
Host names with a single IP:
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.