nbsmart.cn - robtex.com
nbsmart.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 47.243.12.34🇭🇰 Alibaba-Cloud47.243.0.0/16 Proxy-registered route object | ||||||
| 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=1758259520 | ||||||
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=2034713752 | ||||||
Same first word
Similar names
DNS History
11 records (5 active, 6 former)
○NSdns.bizcn.com2015-05-31 → 2017-04-05 · 4 obs
● 2017-04-05 08:26:50
○ 2026-04-05 05:35:24
○ 2026-04-26 08:23:30
●NSns1.judns.com2026-04-05 → 2026-04-26 · 3 obs
● 2026-04-05 05:35:24
● 2026-04-26 08:23:30
●NSns1.julydns.com2026-04-05 → 2026-04-26 · 3 obs
● 2026-04-05 05:35:24
● 2026-04-26 08:23:30
●NSns2.judns.com2026-04-05 → 2026-04-26 · 3 obs
● 2026-04-05 05:35:24
● 2026-04-26 08:23:30
●NSns2.julydns.com2026-04-05 → 2026-04-26 · 3 obs
● 2026-04-05 05:35:24
● 2026-04-26 08:23:30
○NSns7.cnmsn.net2015-05-31 → 2017-04-05 · 4 obs
● 2017-04-05 08:26:50
○ 2026-04-05 05:35:24
○ 2026-04-26 08:23:30
○NSns8.cnmsn.net2015-05-31 → 2017-04-05 · 4 obs
● 2017-04-05 08:26:50
○ 2026-04-05 05:35:24
○ 2026-04-26 08:23:30
○MXmxbiz1.qq.com2015-05-31 → 2017-04-05 · 4 obs
● 2017-04-05 08:26:50
○ 2026-04-05 05:35:24
○ 2026-04-26 08:23:30
○MXmxbiz2.qq.com2015-05-31 → 2017-04-05 · 4 obs
● 2017-04-05 08:26:50
○ 2026-04-05 05:35:24
○ 2026-04-26 08:23:30
○A221.231.138.1132015-05-31 → 2017-04-05 · 4 obs
● 2017-04-05 08:26:50
○ 2026-04-05 05:35:24
○ 2026-04-26 08:23:30
●A47.243.12.342026-04-05 → 2026-04-26 · 3 obs
● 2026-04-05 05:35:24
● 2026-04-26 08:23:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| nbsmart.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 nbsmart.cn (unsigned zone)
⏱️ Timing
Total: 1480ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 47.243.12.34 |
| NS | 2 | ns1.julydns.com, ns2.julydns.com |
| SOA | 1 | ns1.julydns.com master.jmdns.com |
Analysis
IP Addresses
nbsmart.cn resolves to one IP number: 47.243.12.34.
Other host names, for instance bks-me.com, cqzzjj.cn, rjyc.org.cn, jk1618.com and 110pc.cn share IP numbers with nbsmart.cn.
Name Servers
nbsmart.cn delegates to four name servers: ns1.judns.com, ns2.judns.com, ns1.julydns.com and ns2.julydns.com.
nbsmart.cn at least partially shares name servers with other domains, including fsmxls.cn, rabmiv.com, 7dsh.com, nbcgxcl.com and guvz.cn.
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.