duoduohr.com - robtex.com
duoduohr.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=1774555127 | ||||||
Subdomains
www.duoduohr.com |
Same first word
duoduohr.com |
DNS History
6 records (6 active, 0 former)
●NSdns17.hichina.com2015-06-02 → 2026-03-26 · 2 obs
● 2026-03-26 20:21:58
●NSdns18.hichina.com2015-06-02 → 2026-03-26 · 2 obs
● 2026-03-26 20:21:58
●MXmxn.mxhichina.com2015-11-04 → 2026-03-26 · 2 obs
● 2026-03-26 20:21:58
●MXmxw.mxhichina.com2015-11-04 → 2026-03-26 · 2 obs
● 2026-03-26 20:21:58
●A119.147.143.712016-01-23 → 2026-03-26 · 3 obs
● 2016-01-23 19:22:16
● 2026-03-26 20:21:58
●A121.196.38.2472015-06-02 → 2026-03-26 · 2 obs
● 2026-03-26 20:21:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| duoduohr.com | dns17.hichina.com, dns18.hichina.com | 18 records |
✅ Authoritative Response
Server:120.76.107.40
NS records: dns17.hichina.com, dns18.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for duoduohr.com (unsigned zone)
⏱️ Timing
Total: 553ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 119.147.143.71, 121.196.38.247 |
| NS | 2 | dns18.hichina.com, dns17.hichina.com |
| MX | 2 | mxw.mxhichina.com (pri: 10), mxn.mxhichina.com (pri: 5) |
| TXT | 1 | v=spf1 include:spf.mxhichina.com ~all |
| SOA | 1 | dns17.hichina.com hostmaster.hichina.com |
📌 Glue Records Collected
Total: 18
Out-of-bailiwick: 18 (dns17.hichina.com, dns17.hichina.com, dns17.hichina.com...)
Analysis
Hierarchy
duoduohr.com is the parent of www.duoduohr.com.
IP Addresses
duoduohr.com points to two IPs: 119.147.143.71 and 121.196.38.247.
Other host names such as hietone.com, youthus.com and bjjlsy.com share IP numbers with duoduohr.com.
Name Servers
duoduohr.com's delegation uses two name servers, dns17.hichina.com and dns18.hichina.com.
duoduohr.com shares the same name server setup as other domains, for example witnsoft.com, thanbio.com, xn--15qt0w4six1z.com, xn--fctq0y4c651k.com and cnqsj.com.
duoduohr.com shares some name servers with other domains, such as ncepu.net.cn, meidale.cn, jiugm.com and ispconfig.xyz.
These name servers are commonly used with expirens3.hichina.com and expirens4.hichina.com.
dns17.hichina.com points to: 2408:4009:501::25, 39.96.153.40, 39.96.153.60, 47.118.199.200, 47.118.199.220, 120.76.107.40, 120.76.107.60, 139.224.142.100 and 139.224.142.110.
dns18.hichina.com points to: 2408:4009:501::26, 39.96.153.38, 39.96.153.61, 47.118.199.198, 47.118.199.222, 120.76.107.38, 120.76.107.61, 139.224.142.98 and 139.224.142.108.
Mail Servers
duoduohr.com is handled by two mail servers: mxn.mxhichina.com and mxw.mxhichina.com.
duoduohr.com shares its mail server setup with other domains, including teseltime.com, ykicc.cn, chinaclay.cn, mnjschool.com and beidoukai.com.
The mail servers for duoduohr.com are shared with other domains, for instance braintk.com, starcici.com, kaisimachine.com, njmkt.com and nailplate.cn.
Hosts with two IPs:
mxn.mxhichina.com points to 47.246.136.231 and 47.246.137.47.
Hosts with one IP:
mxw.mxhichina.com points to 47.246.99.195.