ismartlearning.cn - robtex.com
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ismartlearning.cn
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⚠️ | ||||||
| SOA | a.dns.cnroot@cnnic.cn serial=2034446726 | ||||||
Up
me.ismartlearning.cn |
Same first word
ismartlearning.cn |
Similar names
DNS History
7 records (5 active, 2 former)
○NSdns10.hichina.com2016-12-05 → 2017-12-15 · 4 obs
● 2017-12-15 16:49:18
○ 2026-02-15 22:47:42
○ 2026-02-16 05:28:18
○NSdns9.hichina.com2016-12-05 → 2017-12-15 · 4 obs
● 2017-12-15 16:49:18
○ 2026-02-15 22:47:42
○ 2026-02-16 05:28:18
●NSvip3.alidns.com2026-02-15 → 2026-02-16 · 3 obs
● 2026-02-15 22:47:42
● 2026-02-16 05:28:18
●NSvip4.alidns.com2026-02-15 → 2026-02-16 · 3 obs
● 2026-02-15 22:47:42
● 2026-02-16 05:28:18
●A123.103.89.2212016-12-05 → 2026-02-16 · 2 obs
● 2026-02-16 05:28:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | 11 records |
| ismartlearning.cn | vip3.alidns.com, vip4.alidns.com | - |
✅ Authoritative Response
Server: 170.33.80.11
NS records: vip3.alidns.com, vip4.alidns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ismartlearning.cn (unsigned zone)
⏱️ Timing
Total: 1519ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | vip4.alidns.com, vip3.alidns.com |
| MX | 2 | mxbiz1.qq.com (pri: 5), mxbiz2.qq.com (pri: 10) |
| TXT | 2 | v=spf1 include:spf.mail.qq.com ~all, globalsign-domain-verification=-w_dCIHgJ |
| SOA | 1 | vip3.alidns.com hostmaster.hichina.com |
📌 Glue Records Collected
Total: 11
In-bailiwick: 10 (a.dns.cn, a.dns.cn, b.dns.cn...)
Out-of-bailiwick: 1 (ns.cernet.net)
AI analysis
ismartlearning.cn is the parent of me.ismartlearning.cn.
ismartlearning.cn resolves to a single IP address: 123.103.89.221.
Other host names, for instance www.cflo.com.cn, share IP numbers with ismartlearning.cn.
ismartlearning.cn's delegation uses two name servers, vip3.alidns.com and vip4.alidns.com.
ismartlearning.cn shares the same name server setup as other domains, for example zjky.cn, pglstatp-toutiao-b.com, rockflow.tech, yijiupi.com and eeo.cn.
ismartlearning.cn at least partially shares name servers with other domains, including 01.ai, tbea.com, ickimg.com, ecarx-zeekr.com and ymtnet.com.
these name servers are commonly used with ns1.alidns.com, ns2.alidns.com, vip1.alidns.com and vip2.alidns.com.
Host names with seven IP numbers:
vip3.alidns.com points to 2408:4009:500::3, 8.212.93.3, 140.205.1.5, 170.33.32.210, 170.33.40.136, 170.33.73.26 and 170.33.80.10; vip4.alidns.com points to 2408:4009:500::4, 8.212.93.4, 140.205.1.6, 170.33.32.211, 170.33.40.137, 170.33.73.27 and 170.33.80.11.
ismartlearning.cn is handled by two mail servers: mxbiz1.qq.com and mxbiz2.qq.com.
ismartlearning.cn shares its mail server setup with other domains, including fortunecan.com, sdslvc.edu.cn, dd91.cn, 91fifa.com and sirikate.com.
ismartlearning.cn shares at least partially some mail servers with other domains, for instance tewisdom.com, 2ndsky.org and oointer.com.