51jd2b.cn - robtex.com
51jd2b.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=2034704621 | ||||||
rank #14352 in the tld
Same first word
51jd2b.cn |
DNS History
4 records (4 active, 0 former)
●NSns1.julydns.com2026-03-15 → 2026-04-23 · 2 obs
● 2026-04-23 23:30:46
●NSns2.julydns.com2026-03-15 → 2026-04-23 · 2 obs
● 2026-04-23 23:30:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| 51jd2b.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 51jd2b.cn (unsigned zone)
⏱️ Timing
Total: 1645ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns1.julydns.com, ns2.julydns.com |
Analysis
Name Servers
51jd2b.cn delegates to four name servers: ns1.judns.com, ns2.judns.com, ns1.julydns.com and ns2.julydns.com.
51jd2b.cn at least partially shares name servers with other domains, including if0.net, nonomall.cn, bs899.com, hnjskjyxgs.com and youshiedu.com.cn.
These name servers are often used with jm1.dns.com and jm2.dns.com.
Host names with one IP number:
ns1.judns.com and ns2.judns.com point to 162.159.27.251.
ns1.julydns.com and ns2.julydns.com point to 162.159.48.223.
Host names that point to 162.159.27.251: ns1.judns.com and ns2.judns.com.
Host names that point to 162.159.48.223: ns1.julydns.com and ns2.julydns.com.