yclassroom.com - robtex.com
Search for stuff
yclassroom.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | vip3.alidns.com ⭐ | ||||||
| A | 2408:4009:500::3🇨🇳 CNNIC-ALIBABA-CN-NET-AP | ||||||
| A | 8.212.93.3🇭🇰 Alibaba_Cloud_SEC | ||||||
| A | 140.205.1.5🇨🇳 CNNIC-ALIBABA-CN-NET-AP | ||||||
| A | 170.33.32.210🇸🇬 Alibaba_Cloud_SEC | ||||||
| A | 170.33.40.136🇸🇬 Alibaba_Cloud_SEC | ||||||
| A | 170.33.73.26🇸🇬 Alibaba_Cloud_SEC | ||||||
| A | 170.33.80.10🇸🇬 Alibaba_Cloud_SEC | ||||||
| NS | vip4.alidns.com | ||||||
| A | 2408:4009:500::4🇨🇳 CNNIC-ALIBABA-CN-NET-AP | ||||||
| A | 8.212.93.4🇭🇰 Alibaba_Cloud_SEC | ||||||
| A | 140.205.1.6🇨🇳 CNNIC-ALIBABA-CN-NET-AP | ||||||
| A | 170.33.32.211🇸🇬 Alibaba_Cloud_SEC | ||||||
| A | 170.33.40.137🇸🇬 Alibaba_Cloud_SEC | ||||||
| A | 170.33.73.27🇸🇬 Alibaba_Cloud_SEC | ||||||
| A | 170.33.80.11🇸🇬 Alibaba_Cloud_SEC | ||||||
| SOA | vip3.alidns.comhostmaster@hichina.com 2025-12-11 #7 | ||||||
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=1770839062 | ||||||
Up
oss-mas-ab-prod.yclassroom.com |
Same first word
yclassroom.com |
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| yclassroom.com | vip3.alidns.com, vip4.alidns.com | - |
✅ Authoritative Response
Server: 121.40.6.163
NS records: vip3.alidns.com, vip4.alidns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for yclassroom.com (unsigned zone)
⏱️ Timing
Total: 456ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | vip3.alidns.com, vip4.alidns.com |
| SOA | 1 | vip3.alidns.com hostmaster.hichina.com |
AI analysis
The parent of oss-mas-ab-prod.yclassroom.com is yclassroom.com.
yclassroom.com is delegated to two name servers: vip3.alidns.com and vip4.alidns.com.
yclassroom.com uses the same name server setup as other domains, for instance 4008123123.com, sinoair.com, kimi.com, anjianji.com and xxqapp.cn.
yclassroom.com shares name servers with other domains at least partially, for instance hitfm.cn, cmccdmz.com, hrflag.com, huanxi.com and xiangyu.cn.
these name servers are commonly used together with vip1.alidns.com and vip2.alidns.com.
Host name vip3.alidns.com resolves 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; Host name vip4.alidns.com resolves 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.