cms.121learn.com - robtex.com
cms.121learn.com
| CNAME | hk.121learn.com | ||||||
| DNSSEC | ⚠️ Not signed | ||||||
| A | 47.90.123.43🇭🇰 Alibaba-Cloud47.90.64.0/18 Alibaba Cloud | ||||||
121learn.com
| CNAME | www.121learn.com | ||||||
| DNSSEC | ⚠️ Not signed | ||||||
| A | 39.105.171.19🇨🇳 Alibaba-Cloud39.104.0.0/15 CT BeiJing IDC | ||||||
Same first word
Similar names
DNS History
2 records (1 active, 1 former)
○A139.198.190.612017-05-10 → 2017-05-10 · 3 obs
● 2017-05-10 05:35:02
○ 2026-04-06 14:43:54
○ 2026-04-27 14:19:50
○ 2026-04-06 14:43:54
○ 2026-04-27 14:19:50
●CNAMEhk.121learn.com2026-04-06 → 2026-04-27 · 2 obs
● 2026-04-06 14:43:54
● 2026-04-27 14:19:50
● 2026-04-27 14:19:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| 121learn.com | vip3.alidns.com, vip4.alidns.com | 22 records |
✅ Authoritative Response
Server:121.40.6.163
NS records: vip3.alidns.com, vip4.alidns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 121learn.com (unsigned zone)
⏱️ Timing
Total: 3395ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| CNAME | 1 | hk.121learn.com |
📌 Glue Records Collected
Total: 22
Out-of-bailiwick: 22 (vip3.alidns.com, vip3.alidns.com, vip3.alidns.com...)
Analysis
IP Addresses
cms.121learn.com resolves to one IP number: 47.90.123.43.
Other host names, for instance platform.auoktalk.com, share IP numbers with cms.121learn.com.