51dbc.com - robtex.com
51dbc.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=1786535184 | ||||||
Subdomains
www.51dbc.com |
Same first word
51dbc.com |
Similar names
DNS History
9 records (6 active, 3 former)
●NSdns3.hichina.com2026-08-12 → 2026-08-12 · 3 obs
● 2026-08-12 12:08:06
● 2026-08-12 12:08:08
●NSdns4.hichina.com2026-08-12 → 2026-08-12 · 3 obs
● 2026-08-12 12:08:06
● 2026-08-12 12:08:08
○NSf1g1ns1.dnspod.net2015-06-16 → 2016-12-26 · 4 obs
● 2016-12-26 21:43:20
○ 2026-08-12 12:08:06
○ 2026-08-12 12:08:08
○NSf1g1ns2.dnspod.net2015-06-16 → 2016-09-05 · 4 obs
● 2016-09-05 11:50:58
○ 2026-08-12 12:08:06
○ 2026-08-12 12:08:08
●MXmx1.qiye.aliyun.com2026-08-12 → 2026-08-12 · 2 obs
● 2026-08-12 12:08:08
●MXmx2.qiye.aliyun.com2026-08-12 → 2026-08-12 · 2 obs
● 2026-08-12 12:08:08
●MXmx3.qiye.aliyun.com2026-08-12 → 2026-08-12 · 2 obs
● 2026-08-12 12:08:08
●A114.55.218.2142026-08-12 → 2026-08-12 · 3 obs
● 2026-08-12 12:08:06
● 2026-08-12 12:08:08
○A222.186.25.922015-06-16 → 2018-05-26 · 4 obs
● 2018-05-26 03:36:24
○ 2026-08-12 12:08:06
○ 2026-08-12 12:08:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | d.gtld-servers.net, j.gtld-servers.net, i.gtld-servers.net, a.gtld-servers.net... | - |
| 51dbc.com | dns3.hichina.com, dns4.hichina.com | 18 records |
✅ Authoritative Response
Server:120.76.107.44
NS records: dns3.hichina.com, dns4.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 51dbc.com (unsigned zone)
⏱️ Timing
Total: 565ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 114.55.218.214 |
| NS | 2 | dns3.hichina.com, dns4.hichina.com |
| MX | 3 | mx1.qiye.aliyun.com (pri: 5), mx3.qiye.aliyun.com (pri: 15)... |
| TXT | 1 | v=spf1 include:spf.qiye.aliyun.com -all |
| SOA | 1 | dns3.hichina.com hostmaster.hichina.com |
📌 Glue Records Collected
Total: 18
Out-of-bailiwick: 18 (dns3.hichina.com, dns3.hichina.com, dns3.hichina.com...)
Analysis
Hierarchy
51dbc.com is the parent zone for www.51dbc.com.
IP Addresses
51dbc.com resolves to just one IP address, 114.55.218.214.
Among the host names that share IP numbers with 51dbc.com is www.51dbc.com, as one example.
Name Servers
The NS records for 51dbc.com delegate to dns3.hichina.com and dns4.hichina.com.
51dbc.com shares its NS records with other domains, for example hanzidaquan.com, haitouzhiye.com, 5gwang.net and two others.
51dbc.com partially shares its NS delegation with several other domains, including sbmtma.com, hq600.com, yingston.com and two others.
The name servers expirens3.hichina.com, expirens4.hichina.com, ns1.alidns.com and ns2.alidns.com are often found in use alongside these name servers.
DNS names with 9 IP addresses:
dns3.hichina.com maps to 39.96.153.43, 39.96.153.63, 47.118.199.203 and 6 additional IP addresses.
dns4.hichina.com maps to 39.96.153.44, 39.96.153.54, 47.118.199.204 and 6 additional IP addresses.
Mail Servers
51dbc.com uses three mail servers — mx1.qiye.aliyun.com, mx2.qiye.aliyun.com and mx3.qiye.aliyun.com.
There is at least a partial MX overlap between 51dbc.com and other domains, including baozt.com, lanbl.com, yooband.com and two others.
The mail servers mxn.mxhichina.com and mxw.mxhichina.com regularly co-occur with these mail servers.
Host names that have two IP addresses:
The A records for mx3.qiye.aliyun.com return 47.246.136.231 and 47.246.137.47.
Host names that point to one IP address:
mx1.qiye.aliyun.com resolves to the IP address 47.246.137.47.
mx2.qiye.aliyun.com resolves to the IP address 47.246.136.231.
mx3.qiye.aliyun.com and mx2.qiye.aliyun.com each have 47.246.136.231 IP addresses.
mx3.qiye.aliyun.com and mx1.qiye.aliyun.com each have 47.246.137.47 IP addresses.