51ddedu.com - robtex.com
51ddedu.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 47.101.170.99🇨🇳 Alibaba-Cloud | ||||||
| NS | vip3.alidns.com ⭐ | ||||||
| A | 2408:4009:500::3🇨🇳 Alibaba-Cloud | ||||||
| A | 8.212.93.3🇭🇰 Alibaba_Cloud_SEC | ||||||
| A | 140.205.1.5🇨🇳 Alibaba-Cloud | ||||||
| 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🇨🇳 Alibaba-Cloud | ||||||
| A | 8.212.93.4🇭🇰 Alibaba_Cloud_SEC | ||||||
| A | 140.205.1.6🇨🇳 Alibaba-Cloud | ||||||
| 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=1771291435 | ||||||
Up
Same first word
51ddedu.com |
DNS History
3 records (3 active, 0 former)
●NSvip3.alidns.com2026-02-16 → 2026-02-21 · 2 obs
● 2026-02-21 09:48:30
●NSvip4.alidns.com2026-02-16 → 2026-02-21 · 2 obs
● 2026-02-21 09:48:30
●A47.101.170.992026-02-16 → 2026-02-21 · 2 obs
● 2026-02-21 09:48:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| 51ddedu.com | vip3.alidns.com, vip4.alidns.com | 22 records |
✅ Authoritative Response
Server: 121.40.6.164
NS records: vip3.alidns.com, vip4.alidns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 51ddedu.com (unsigned zone)
⏱️ Timing
Total: 726ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 47.101.170.99 |
| NS | 2 | vip3.alidns.com, vip4.alidns.com |
| SOA | 1 | vip3.alidns.com hostmaster.hichina.com |
📌 Glue Records Collected
Total: 22
Out-of-bailiwick: 22 (vip3.alidns.com, vip3.alidns.com, vip3.alidns.com...)
AI analysis
51ddedu.com is a parent of www.51ddedu.com and api.51ddedu.com.
51ddedu.com resolves to one IP number: 47.101.170.99.
Other host names, for instance www.51ddedu.com, share IP numbers with 51ddedu.com.
51ddedu.com is delegated to two name servers vip3.alidns.com and vip4.alidns.com.
51ddedu.com shares the same name server setup as other domains, for instance hztscloud.net, midust.com, forwardinglogistics.com, 2345.com.cn and xxpie.com.
51ddedu.com at least partially shares name servers with other domains, for instance yuan.cn, likeeapp.ru, guidechem.com, citv.cn and 02482.com.
These name servers are commonly used alongside vip2.alidns.com and vip1.alidns.com.
Seven IP numbers per host name:
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