ddstr.cn - robtex.com
ddstr.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=1777121891 | ||||||
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=2035045706 | ||||||
rank #13596 in the tld
Same first word
ddstr.cn |
Similar names
DNS History
5 records (5 active, 0 former)
●NSns1.julydns.com2026-07-10 → 2026-07-16 · 2 obs
● 2026-07-16 04:16:26
●NSns1.onclouddns.com2026-07-10 → 2026-07-16 · 2 obs
● 2026-07-16 04:16:26
●NSns2.julydns.com2026-07-10 → 2026-07-16 · 2 obs
● 2026-07-16 04:16:26
●NSns2.onclouddns.com2026-07-10 → 2026-07-16 · 2 obs
● 2026-07-16 04:16:26
●A173.249.187.1112026-07-10 → 2026-07-16 · 2 obs
● 2026-07-16 04:16:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, e.dns.cn, b.dns.cn, d.dns.cn... | - |
| ddstr.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 ddstr.cn (unsigned zone)
⏱️ Timing
Total: 3291ms | 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
ddstr.cn points to a single IP number: 173.249.187.111.
Additional host names — takeshi-miyazato.com, shaojiezhuancom.cn, zgpet.cn and two others — share IP numbers with ddstr.cn.
Name Servers
ddstr.cn has four authoritative name servers: ns1.julydns.com, ns2.julydns.com, ns1.onclouddns.com and ns2.onclouddns.com.
There is at least partial name server overlap between ddstr.cn and other domains — jzhbwl.com, abfe.cn, hdgyy.cn and two more among them.
These name servers frequently co-occur with 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.
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.