dcool.com - dns.ninja
dcool.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=1782696015 | ||||||
Subdomains
Same first word
Similar names
DNS History
15 records (6 active, 9 former)
○NSdns.bizcn.com2015-08-04 → 2016-11-21 · 5 obs
● 2015-08-04 03:22:26
● 2016-11-21 02:39:54
○ 2026-03-16 02:41:50
○ 2026-06-29 01:28:12
○NSdns.cnmsn.net2007-12-18 → 2007-12-18 · 3 obs
○ 2015-08-04 03:22:26
○ 2026-06-29 01:28:12
●NSdns7.hichina.com2026-03-16 → 2026-06-29 · 3 obs
● 2026-03-16 02:41:50
● 2026-06-29 01:28:12
●NSdns8.hichina.com2026-03-16 → 2026-06-29 · 3 obs
● 2026-03-16 02:41:50
● 2026-06-29 01:28:12
○NSns1.520idc.net2007-12-18 → 2016-11-21 · 4 obs
● 2016-11-21 02:39:54
○ 2026-03-16 02:41:50
○ 2026-06-29 01:28:12
○NSns2.520idc.net2007-12-18 → 2016-11-21 · 4 obs
● 2016-11-21 02:39:54
○ 2026-03-16 02:41:50
○ 2026-06-29 01:28:12
○NSns5.cnmsn.net2015-08-04 → 2016-11-21 · 5 obs
● 2015-08-04 03:22:26
● 2016-11-21 02:39:54
○ 2026-03-16 02:41:50
○ 2026-06-29 01:28:12
○NSns6.cnmsn.net2015-08-04 → 2016-11-21 · 5 obs
● 2015-08-04 03:22:26
● 2016-11-21 02:39:54
○ 2026-03-16 02:41:50
○ 2026-06-29 01:28:12
○MXmail.dcool.com2007-12-18 → 2016-11-21 · 4 obs
● 2016-11-21 02:39:54
○ 2026-03-16 02:41:50
○ 2026-06-29 01:28:12
●MXmx1.qiye.aliyun.com2026-03-16 → 2026-06-29 · 3 obs
● 2026-03-16 02:41:50
● 2026-06-29 01:28:12
●MXmx2.qiye.aliyun.com2026-03-16 → 2026-06-29 · 3 obs
● 2026-03-16 02:41:50
● 2026-06-29 01:28:12
●MXmx3.qiye.aliyun.com2026-03-16 → 2026-06-29 · 3 obs
● 2026-03-16 02:41:50
● 2026-06-29 01:28:12
○A103.232.215.1332017-01-01 → 2017-01-01 · 4 obs
● 2017-01-01 18:20:24
○ 2026-03-16 02:41:50
○ 2026-06-29 01:28:12
●A120.24.248.1892026-03-16 → 2026-06-29 · 3 obs
● 2026-03-16 02:41:50
● 2026-06-29 01:28:12
○A58.61.157.1642007-12-18 → 2007-12-18 · 3 obs
○ 2015-08-04 03:22:26
○ 2026-06-29 01:28:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| dcool.com | dns7.hichina.com, dns8.hichina.com | 18 records |
✅ Authoritative Response
Server:120.76.107.44
NS records: dns7.hichina.com, dns8.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for dcool.com (unsigned zone)
⏱️ Timing
Total: 1249ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 120.24.248.189 |
| NS | 2 | dns8.hichina.com, dns7.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 | dns7.hichina.com hostmaster.hichina.com |
📌 Glue Records Collected
Total: 18
Out-of-bailiwick: 18 (dns7.hichina.com, dns7.hichina.com, dns7.hichina.com...)
Analysis
Hierarchy
dcool.com is a parent domain, with mail.dcool.com, openai.dcool.com and www.dcool.com beneath it.
IP Addresses
dcool.com resolves to one IP address: 120.24.248.189.
Additional host names — including openai.dcool.com and www.dcool.com — share IP numbers with dcool.com.
Name Servers
The NS records for dcool.com delegate to dns7.hichina.com and dns8.hichina.com.
dcool.com uses the same name servers as several other domains — among them jtit.com.cn, seven1029.com, easymate.cn and two more.
The name servers for dcool.com are partially shared with other domains like shchunchuan.com, doswf.com and mioay.com
It is common to see these name servers used together with name servers expirens3.hichina.com and expirens4.hichina.com.
Hostnames that resolve to 9 IP addresses:
dns7.hichina.com maps to 39.96.153.43, 39.96.153.63, 47.118.199.203 and 6 additional IP addresses.
dns8.hichina.com maps to 39.96.153.44, 39.96.153.54, 47.118.199.204 and 6 additional IP addresses.
Mail Servers
dcool.com has three mail servers: mx1.qiye.aliyun.com, mx2.qiye.aliyun.com and mx3.qiye.aliyun.com.
dcool.com has at least partial mail server overlap with other domains such as chuangjiatex.com, chinarelife.com, jinfangda.com and two more.
These mail servers tend to be used in combination with the mail servers mxn.mxhichina.com and mxw.mxhichina.com.
Hostnames that resolve to two IP addresses:
The A records for mx3.qiye.aliyun.com return 47.246.136.231 and 47.246.137.47.
Hosts with just 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.