u400.com - robtex.com
u400.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 | ||||||
Same first word
Similar names
DNS History
7 records (3 active, 4 former)
●NSdns25.hichina.com2026-03-23 → 2026-03-23 · 2 obs
● 2026-03-23 10:06:16
●NSdns26.hichina.com2026-03-23 → 2026-03-23 · 2 obs
● 2026-03-23 10:06:16
○NSns5.lunarbreeze.com2015-05-16 → 2017-10-06 · 3 obs
● 2017-10-06 10:23:28
○ 2026-03-23 10:06:16
○NSns6.lunarbreeze.com2015-05-16 → 2017-10-06 · 3 obs
● 2017-10-06 10:23:28
○ 2026-03-23 10:06:16
○MXu400.com2015-05-16 → 2017-10-06 · 3 obs
● 2017-10-06 10:23:28
○ 2026-03-23 10:06:16
●A101.42.34.582026-03-23 → 2026-03-23 · 2 obs
● 2026-03-23 10:06:16
○A209.200.229.1682015-05-16 → 2017-10-06 · 3 obs
● 2017-10-06 10:23:28
○ 2026-03-23 10:06:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| u400.com | dns25.hichina.com, dns26.hichina.com | 18 records |
✅ Authoritative Response
Server:120.76.107.39
NS records: dns25.hichina.com, dns26.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for u400.com (unsigned zone)
⏱️ Timing
Total: 611ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 101.42.34.58 |
| NS | 2 | dns26.hichina.com, dns25.hichina.com |
| SOA | 1 | dns25.hichina.com hostmaster.hichina.com |
📌 Glue Records Collected
Total: 18
Out-of-bailiwick: 18 (dns25.hichina.com, dns25.hichina.com, dns25.hichina.com...)
Analysis
IP Addresses
u400.com resolves to a single IP: 101.42.34.58.
Name Servers
u400.com has two name servers: dns25.hichina.com and dns26.hichina.com.
u400.com shares the same name server setup as other domains, for example cnnt.org, gdjianzhugongcheng.com, yukangyuan.com, x-express.cn and dx3m.com.
u400.com shares some name servers with other domains, for example okdatasheet.cn, mailproxy.xyz, hnany.com, sundaily.cn and firstmv.com.
These name servers are commonly used alongside expirens3.hichina.com, expirens4.hichina.com, ns1.alidns.com and ns2.alidns.com.
Host names with nine IP numbers:
dns25.hichina.com points to 2408:4009:501::33, 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.
dns26.hichina.com points to 2408:4009:501::34, 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.