isodu.cn - robtex.com
isodu.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 173.249.187.111🇺🇸 BETTER-HK173.249.187.0/24 client's prefix | ||||||
| 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=1778252057 | ||||||
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=2035116485 | ||||||
rank #13291 in the tld
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●NSns1.julydns.com2026-07-26 → 2026-07-31 · 2 obs
● 2026-07-31 14:54:52
●NSns1.onclouddns.com2026-07-26 → 2026-07-31 · 2 obs
● 2026-07-31 14:54:52
●NSns2.julydns.com2026-07-26 → 2026-07-31 · 2 obs
● 2026-07-31 14:54:52
●NSns2.onclouddns.com2026-07-26 → 2026-07-31 · 2 obs
● 2026-07-31 14:54:52
●A173.249.187.1112026-07-26 → 2026-07-31 · 2 obs
● 2026-07-31 14:54:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | b.dns.cn, a.dns.cn, d.dns.cn, e.dns.cn... | - |
| isodu.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 isodu.cn (unsigned zone)
⏱️ Timing
Total: 285ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 173.249.187.111 |
| NS | 2 | ns1.julydns.com, ns2.julydns.com |
| SOA | 1 | ns1.julydns.com master.jmdns.com |
Analysis
IP Addresses
isodu.cn points to a single IP number: 173.249.187.111.
Additional host names — zichengzhang.cn, whlianjie.com, www.job81.com and two others — share IP numbers with isodu.cn.
Name Servers
isodu.cn has four authoritative name servers: ns1.julydns.com, ns2.julydns.com, ns1.onclouddns.com and ns2.onclouddns.com.
The name servers of isodu.cn overlap at least partially with those of other domains — among them situliao.com, gp1999.com, zusanbao.com and two more.
These name servers commonly appear alongside the name servers ns1.judns.com and ns2.judns.com.
ns1.julydns.com and ns2.julydns.com each resolve to 162.159.48.223, while ns1.onclouddns.com and ns2.onclouddns.com each resolve to 162.159.27.251.
ns1.julydns.com and ns2.julydns.com are host names that each point to 162.159.48.223 IP addresses.
ns1.onclouddns.com and ns2.onclouddns.com are host names that each point to 162.159.27.251 IP addresses.