rubyboy.cn - dns.ninja
rubyboy.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 183.136.138.176🇨🇳 CHINATELECOM-ZHEJIANG-NINGBO-IDC183.136.138.0/24 Chinanet-NingBo-IDC | ||||||
| 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=1784645450 | ||||||
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=2035087302 | ||||||
Same first word
rubyboy.cn |
DNS History
7 records (5 active, 2 former)
●NSns1.julydns.com2026-03-01 → 2026-07-25 · 4 obs
○ 2026-07-05 01:22:18
● 2026-07-10 02:30:26
● 2026-07-25 09:55:48
●NSns2.julydns.com2026-03-01 → 2026-07-25 · 4 obs
○ 2026-07-05 01:22:18
● 2026-07-10 02:30:26
● 2026-07-25 09:55:48
○A156.251.160.1972026-03-01 → 2026-05-14 · 4 obs
● 2026-05-14 02:00:20
○ 2026-05-26 16:07:06
○ 2026-07-25 09:55:48
●A183.136.138.1762026-07-22 → 2026-07-25 · 3 obs
● 2026-07-22 06:33:30
● 2026-07-25 09:55:48
○A91.110.205.282026-05-26 → 2026-07-10 · 6 obs
● 2026-05-26 16:07:06
○ 2026-07-05 01:22:18
● 2026-07-10 02:30:26
○ 2026-07-22 06:33:30
○ 2026-07-25 09:55:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | b.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn... | - |
| rubyboy.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 rubyboy.cn (unsigned zone)
⏱️ Timing
Total: 456ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 183.136.138.176 |
| NS | 2 | ns1.julydns.com, ns2.julydns.com |
| SOA | 1 | ns1.julydns.com master.jmdns.com |
Analysis
IP Addresses
rubyboy.cn resolves to just one IP address, 183.136.138.176.
Two other host names, along with cndxdlw.com, hondrow.com and landongfangshui.com, also share IP numbers with rubyboy.cn.
Name Servers
The NS records for rubyboy.cn point to four name servers: ns1.judns.com, ns2.judns.com, ns1.julydns.com and ns2.julydns.com.
The name servers of rubyboy.cn overlap at least partially with those of other domains — among them zjtongbu.com, first-job.com.cn, sonatina.cn and two more.
These name servers commonly appear alongside the name servers ns1.onclouddns.com and ns2.onclouddns.com.
ns1.judns.com resolves to 162.159.27.251, as does ns2.judns.com. ns1.julydns.com resolves to 162.159.48.223, as does ns2.julydns.com.
ns1.judns.com and ns2.judns.com are host names that each point to 162.159.27.251 IP addresses.
ns1.julydns.com and ns2.julydns.com are host names that each point to 162.159.48.223 IP addresses.