c4-u.com - robtex.com
c4-u.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | a.ezdnscenter.com ⭐ | ||||||
| A | 218.98.111.140🇩🇪 HKCICL-AS-AP218.98.111.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| NS | b.ezdnscenter.com | ||||||
| A | 183.253.57.210🇨🇳 CHINAMOBILE-CN183.253.0.0/16 CMI (Customer Route) | ||||||
| A | 211.99.99.58🇨🇳 DONGGUAN-1211.99.99.0/24 Proxy-registered route object | ||||||
| SOA | a.ezdnscenter.comdnsadmin@ezdnscenter.com serial=1751342706 | ||||||
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=1775938992 | ||||||
Same first word
c4-u.com |
Similar names
DNS History
6 records (2 active, 4 former)
●NSa.ezdnscenter.com2026-03-31 → 2026-04-11 · 3 obs
● 2026-03-31 22:51:50
● 2026-04-11 20:23:48
●NSb.ezdnscenter.com2026-03-31 → 2026-04-11 · 3 obs
● 2026-03-31 22:51:50
● 2026-04-11 20:23:48
○NSns5.whplus.net2008-03-15 → 2008-03-15 · 3 obs
○ 2015-06-24 19:10:26
○ 2026-04-11 20:23:48
○NSns6.whplus.net2008-03-15 → 2008-03-15 · 3 obs
○ 2015-06-24 19:10:26
○ 2026-04-11 20:23:48
○MXmail.c4-u.com2008-03-15 → 2008-03-15 · 3 obs
○ 2015-06-24 19:10:26
○ 2026-04-11 20:23:48
○A70.86.54.852008-03-15 → 2008-03-15 · 3 obs
○ 2015-06-24 19:10:26
○ 2026-04-11 20:23:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| c4-u.com | a.ezdnscenter.com, b.ezdnscenter.com | 3 records |
✅ Authoritative Response
Server:218.98.111.140
NS records: a.ezdnscenter.com, b.ezdnscenter.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for c4-u.com (unsigned zone)
⏱️ Timing
Total: 567ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | a.ezdnscenter.com, b.ezdnscenter.com |
| SOA | 1 | a.ezdnscenter.com dnsadmin.ezdnscenter.c |
📌 Glue Records Collected
Total: 3
Out-of-bailiwick: 3 (a.ezdnscenter.com, b.ezdnscenter.com, b.ezdnscenter.com)
Analysis
Name Servers
c4-u.com's delegation is to two name servers a.ezdnscenter.com and b.ezdnscenter.com.
c4-u.com shares the same name server configuration as other domains, such as 400tea.com, zosno.com, jxgh.net, anledou.com and xn--rss81m.com.
c4-u.com shares name servers with other domains to at least some extent, for instance 4008556007.com and sdmctms.com.
Host names with two IPs:
b.ezdnscenter.com points to: 183.253.57.210 and 211.99.99.58.
Host names with one IP:
a.ezdnscenter.com points to: 218.98.111.140.