91ddedu.com - robtex.com
91ddedu.com
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
det-mocks.91ddedu.com |
www.91ddedu.com |
Same first word
91ddedu.com |
DNS History
7 records (5 active, 2 former)
●NSdns31.hichina.com2018-05-23 → 2026-02-21 · 2 obs
● 2026-02-21 17:12:36
●NSdns32.hichina.com2018-05-23 → 2026-02-21 · 2 obs
● 2026-02-21 17:12:36
○MXmxn.mxhichina.com2018-05-23 → 2018-05-23 · 2 obs
○ 2026-02-21 17:12:36
○MXmxw.mxhichina.com2018-05-23 → 2018-05-23 · 2 obs
○ 2026-02-21 17:12:36
●A49.232.161.2102026-02-21 → 2026-02-21 · 1 obs
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| 91ddedu.com | dns31.hichina.com, dns32.hichina.com | - |
✅ Authoritative Response
Server: 120.76.107.37
NS records: dns31.hichina.com, dns32.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 91ddedu.com (unsigned zone)
⏱️ Timing
Total: 542ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 49.232.161.210 |
| NS | 2 | dns32.hichina.com, dns31.hichina.com |
| MX | 2 | mxbiz2.qq.com (pri: 10), mxbiz1.qq.com (pri: 5) |
| TXT | 1 | v=spf1 include:spf.mail.qq.com ~all |
| SOA | 1 | dns31.hichina.com hostmaster.hichina.com |
AI analysis
91ddedu.com is a parent of det-mocks.91ddedu.com and www.91ddedu.com.
91ddedu.com points to IP number: 49.232.161.210.
Other host names, for instance ybhospital.net and www.91ddedu.com, share IP numbers with 91ddedu.com.
91ddedu.com is delegated to two name servers: dns31.hichina.com and dns32.hichina.com.
91ddedu.com shares the same name server setup as tiejiu.com, hencd.com, lungtinlegal.com, pk172.com and alkaidsemi.com.
91ddedu.com shares name servers with other domains, at least partially, for example uzht.cn, teslafa.com and jeoe.net as well as ep59.cn.
These name servers are commonly used with expirens3.hichina.com and expirens4.hichina.com.
Nine IP numbers per host:
dns31.hichina.com points to: 2408:4009:501::39, 39.96.153.39, 39.96.153.59, 47.118.199.199, 47.118.199.219, 120.76.107.39, 120.76.107.59, 139.224.142.99 and 139.224.142.109.
dns32.hichina.com points to: 2408:4009:501::40, 39.96.153.37, 39.96.153.62, 47.118.199.197, 47.118.199.221, 120.76.107.37, 120.76.107.62, 139.224.142.102 and 139.224.142.107.
91ddedu.com is handled by two mail servers: mxbiz1.qq.com and mxbiz2.qq.com.
The mail server setup for 91ddedu.com matches that of other domains, for instance atc.com.br, bojin.hk, obdsos.com, xmyb.com and ekwing.net.
91ddedu.com shares some mail servers with other domains, for instance loutong.com, pandacompass.com and itspxx.com.
Host names with two IP numbers: mxbiz1.qq.com points to 203.205.147.218 and 203.205.232.191. Host names with one IP number: mxbiz2.qq.com points to 203.205.232.191. Host names that point to 203.205.232.191: mxbiz1.qq.com and mxbiz2.qq.com.