coolingsz.com - robtex.com
coolingsz.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 | ||||||
| MX | exchange.coolingsz.com ⭐ | ||||||
| A | 223.105.69.34🇨🇳 CMNET-Jiangsu-AP223.105.69.0/24 CMI (Customer Route) | ||||||
| TXT | v=spf1 include:spf.coolingsz.com ~all | ||||||
| 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=1778467206 | ||||||
Subdomains
exchange.coolingsz.com |
Same first word
coolingsz.com |
Similar names
DNS History
11 records (3 active, 8 former)
●NSa.ezdnscenter.com2026-05-10 → 2026-05-11 · 3 obs
● 2026-05-10 17:31:18
● 2026-05-11 02:55:10
●NSb.ezdnscenter.com2026-05-10 → 2026-05-11 · 3 obs
● 2026-05-10 17:31:18
● 2026-05-11 02:55:10
○NSns1.ezdnscenter.com2016-12-15 → 2017-11-27 · 4 obs
● 2017-11-27 06:45:48
○ 2026-05-10 17:31:18
○ 2026-05-11 02:55:10
○NSns2.ezdnscenter.com2016-12-15 → 2017-11-27 · 4 obs
● 2017-11-27 06:45:48
○ 2026-05-10 17:31:18
○ 2026-05-11 02:55:10
○NSns3.ezdnscenter.com2016-12-15 → 2017-11-27 · 4 obs
● 2017-11-27 06:45:48
○ 2026-05-10 17:31:18
○ 2026-05-11 02:55:10
○NSns4.ezdnscenter.com2016-12-15 → 2017-11-27 · 4 obs
● 2017-11-27 06:45:48
○ 2026-05-10 17:31:18
○ 2026-05-11 02:55:10
○NSns5.ezdnscenter.com2016-12-15 → 2017-11-27 · 4 obs
● 2017-11-27 06:45:48
○ 2026-05-10 17:31:18
○ 2026-05-11 02:55:10
○NSns6.ezdnscenter.com2016-12-15 → 2017-11-27 · 4 obs
● 2017-11-27 06:45:48
○ 2026-05-10 17:31:18
○ 2026-05-11 02:55:10
●MXexchange.coolingsz.com2016-12-15 → 2026-05-11 · 2 obs
● 2026-05-11 02:55:10
○MXmail1.coolingsz.com2016-12-15 → 2016-12-15 · 3 obs
○ 2017-11-27 06:45:48
○ 2026-05-11 02:55:10
○MXmail2.coolingsz.com2016-12-15 → 2016-12-15 · 3 obs
○ 2017-11-27 06:45:48
○ 2026-05-11 02:55:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| coolingsz.com | a.ezdnscenter.com, b.ezdnscenter.com | 3 records |
✅ Authoritative Response
Server:183.253.57.210
NS records: a.ezdnscenter.com, b.ezdnscenter.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for coolingsz.com (unsigned zone)
⏱️ Timing
Total: 606ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | a.ezdnscenter.com, b.ezdnscenter.com |
| MX | 1 | exchange.coolingsz.com (pri: 10) |
| TXT | 1 | v=spf1 include:spf.coolingsz.com ~all |
| 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
Hierarchy
coolingsz.com is the parent of exchange.coolingsz.com.
Name Servers
coolingsz.com is delegated to two name servers: a.ezdnscenter.com and b.ezdnscenter.com.
coolingsz.com shares the same name server setup as other domains, for example innoveco2.com, tkfi.com, sucai123.com, diymoz.com and denfome.com.
Host names with two IP numbers: b.ezdnscenter.com points to 183.253.57.210 and 211.99.99.58.
Host names with one IP number: a.ezdnscenter.com points to 218.98.111.140.
Mail Servers
coolingsz.com is handled by a single mail server, exchange.coolingsz.com.
Host name exchange.coolingsz.com points to IP address 223.105.69.34.