b21732.cn - robtex.com
b21732.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 38.48.167.146🇺🇸 PEGTECHINC38.48.128.0/18 | ||||||
| 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=1777650901 | ||||||
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 2035-06-14 #79 | ||||||
Subdomains
www.b21732.cn |
Same first word
b21732.cn |
Similar names
DNS History
9 records (5 active, 4 former)
○NSns1.judns.com2026-03-16 → 2026-04-12 · 3 obs
● 2026-04-12 15:28:00
○ 2026-07-19 18:18:14
●NSns1.julydns.com2026-03-16 → 2026-07-19 · 2 obs
● 2026-07-19 18:18:14
●NSns1.onclouddns.com2026-07-19 → 2026-07-19 · 2 obs
● 2026-07-19 18:18:14
○NSns2.judns.com2026-03-16 → 2026-04-12 · 3 obs
● 2026-04-12 15:28:00
○ 2026-07-19 18:18:14
●NSns2.julydns.com2026-03-16 → 2026-07-19 · 2 obs
● 2026-07-19 18:18:14
●NSns2.onclouddns.com2026-07-19 → 2026-07-19 · 2 obs
● 2026-07-19 18:18:14
○A38.28.143.2392026-03-16 → 2026-04-12 · 3 obs
● 2026-04-12 15:28:00
○ 2026-07-19 18:18:14
○A38.33.252.92026-03-16 → 2026-04-12 · 3 obs
● 2026-04-12 15:28:00
○ 2026-07-19 18:18:14
●A38.48.167.1462026-07-19 → 2026-07-19 · 2 obs
● 2026-07-19 18:18:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | c.dns.cn, b.dns.cn, e.dns.cn, a.dns.cn... | - |
| b21732.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 b21732.cn (unsigned zone)
⏱️ Timing
Total: 577ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 38.48.167.146 |
| NS | 2 | ns1.julydns.com, ns2.julydns.com |
| SOA | 1 | ns1.julydns.com master.jmdns.com |
Analysis
Hierarchy
b21732.cn serves as the parent of www.b21732.cn.
IP Addresses
b21732.cn resolves to just one IP address, 38.48.167.146.
hrbshw.cn, for instance, is one of the other host names sharing IP numbers with b21732.cn.
Name Servers
The NS records for b21732.cn point to four name servers: ns1.julydns.com, ns2.julydns.com, ns1.onclouddns.com and ns2.onclouddns.com.
b21732.cn has at least partial name server overlap with other domains, such as jlfy-info.com, xxnti.com, piact.cn and two others.
It is common to see these name servers used together with name servers ns1.judns.com and ns2.judns.com.
ns1.julydns.com resolves to 162.159.48.223, as does ns2.julydns.com. ns1.onclouddns.com resolves to 162.159.27.251, as does ns2.onclouddns.com.
Both ns1.julydns.com and ns2.julydns.com resolve to 162.159.48.223 IP addresses each.
Both ns1.onclouddns.com and ns2.onclouddns.com resolve to 162.159.27.251 IP addresses each.