smartsj.com - robtex.com
smartsj.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.judns.com ⚠️ Not in zone NS records | ||||||
| A | 47.97.51.45🇨🇳 Alibaba-Cloud47.96.0.0/15 Aliyun Computing Co., LTD | ||||||
| NS | ns1.julydns.com ⚠️ Not in parent delegation | ||||||
| A | 47.97.51.45🇨🇳 Alibaba-Cloud47.96.0.0/15 Aliyun Computing Co., LTD | ||||||
| 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 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1776509602 | ||||||
Same first word
smartsj.com |
Similar names
DNS History
9 records (4 active, 5 former)
●NSns1.judns.com2026-04-08 → 2026-04-18 · 3 obs
● 2026-04-08 22:28:20
● 2026-04-18 10:59:00
●NSns1.julydns.com2026-04-08 → 2026-04-18 · 3 obs
● 2026-04-08 22:28:20
● 2026-04-18 10:59:00
●NSns2.judns.com2026-04-08 → 2026-04-18 · 3 obs
● 2026-04-08 22:28:20
● 2026-04-18 10:59:00
●NSns2.julydns.com2026-04-08 → 2026-04-18 · 3 obs
● 2026-04-08 22:28:20
● 2026-04-18 10:59:00
○NSwww.smartsj.com2015-08-01 → 2015-08-01 · 3 obs
○ 2018-12-05 01:02:34
○ 2026-04-18 10:59:00
○A184.105.178.882015-08-01 → 2015-08-01 · 3 obs
○ 2018-12-05 01:02:34
○ 2026-04-18 10:59:00
○A52.69.166.2312017-02-18 → 2017-02-18 · 4 obs
● 2017-02-18 20:02:08
○ 2018-12-05 01:02:34
○ 2026-04-18 10:59:00
○CNAMEdp.dcoin.co2015-08-01 → 2015-08-01 · 3 obs
○ 2017-02-18 20:02:08
○ 2026-04-18 10:59:00
○CNAMEpending-delete.ename.net2018-12-05 → 2018-12-05 · 4 obs
● 2018-12-05 01:02:34
○ 2026-04-08 22:28:20
○ 2026-04-18 10:59:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| smartsj.com | ns1.judns.com, ns2.judns.com | 2 records |
✅ Authoritative Response
Server:162.159.27.251
NS records: ns1.judns.com, ns2.judns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for smartsj.com (unsigned zone)
⏱️ Timing
Total: 394ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns1.julydns.com, ns2.julydns.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.judns.com, ns2.judns.com)
Analysis
Name Servers
smartsj.com is delegated to four name servers: ns1.judns.com, ns2.judns.com, ns1.julydns.com and ns2.julydns.com.
smartsj.com at least partially shares its name servers with other domains, for instance zhservice.com.cn, hongyu10000.com, yahoo-sjb.biz, sdx3.com and alibaba-jerseys.com.
Single-IP host names:
ns1.judns.com points to: 47.97.51.45.
ns2.judns.com points to: 162.159.27.251.
ns1.julydns.com points to: 47.97.51.45.
ns2.julydns.com points to: 162.159.48.223.
Host names pointing to 47.97.51.45: ns1.judns.com and ns1.julydns.com.