cool0.com - dns.ninja

`cool0.com`

DNSSEC	⚠️ Not signed
NS	`dns27.hichina.com` ⭐
		A	2408:4009:501::35^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.39^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.59^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.199^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.219^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.39^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.59^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.99^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	139.224.142.109^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
NS	`dns28.hichina.com`
MX	`mxbiz1.qq.com` ⭐
MX	`mxbiz2.qq.com`⁽¹⁰⁾
SOA	`dns27.hichina.com`hostmaster@hichina.com 2026-05-28 #9

`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.net`nstld@verisign-grs.com serial=1785069277

Same first word

cool0.com

cool0.de

Similar names

0cool.cn

co0ol.com

0cool.net

0cool.com

DNS History

6 records (4 active, 2 former)

○NSdns.dns8cn.cn2008-03-10 → 2008-03-10 · 3 obs

● 2008-03-10 19:59:44
○ 2015-05-26 20:49:38
○ 2026-07-26 12:39:04

○NSdns2.dns8cn.cn2008-03-10 → 2008-03-10 · 3 obs

● 2008-03-10 19:59:44
○ 2015-05-26 20:49:38
○ 2026-07-26 12:39:04

●NSdns27.hichina.com2015-05-26 → 2026-07-26 · 3 obs

○ 2008-03-10 19:59:44
● 2015-05-26 20:49:38
● 2026-07-26 12:39:04

●NSdns28.hichina.com2015-05-26 → 2026-07-26 · 3 obs

○ 2008-03-10 19:59:44
● 2015-05-26 20:49:38
● 2026-07-26 12:39:04

●MXmxbiz1.qq.com2015-05-26 → 2026-07-26 · 3 obs

○ 2008-03-10 19:59:44
● 2015-05-26 20:49:38
● 2026-07-26 12:39:04

●MXmxbiz2.qq.com2015-05-26 → 2026-07-26 · 3 obs

○ 2008-03-10 19:59:44
● 2015-05-26 20:49:38
● 2026-07-26 12:39:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
cool0.com	dns27.hichina.com, dns28.hichina.com	18 records

✅ Authoritative Response

Server:120.76.107.39

NS records: dns27.hichina.com, dns28.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cool0.com (unsigned zone)

⏱️ Timing

Total: 1373ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`dns27.hichina.com, dns28.hichina.com`
MX	2	`mxbiz2.qq.com (pri: 10), mxbiz1.qq.com (pri: 5)`
SOA	1	`dns27.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns27.hichina.com, dns27.hichina.com, dns27.hichina.com...)

Analysis

Name Servers

cool0.com has two authoritative name servers — dns27.hichina.com and dns28.hichina.com.

The name server configuration of cool0.com is shared with other domains, for instance teclan.top, 52ysjy.com, tuidian.net and two others.

The name servers of cool0.com overlap at least partially with those of other domains — among them xiaosuanan.com, lsxzjd.com, anmbxvp.cn and two more.

These name servers commonly appear alongside the name servers expirens3.hichina.com and expirens4.hichina.com.

Hosts with 9 IP addresses each:

dns27.hichina.com points to 39.96.153.39, 39.96.153.59, 47.118.199.199 and 6 other IP addresses.

Mail Servers

cool0.com uses two mail servers, mxbiz1.qq.com and mxbiz2.qq.com.

The mail server setup of cool0.com matches that of other domains such as show1.cn, achlog.com, tonbong.name and two others.

The mail servers for cool0.com overlap at least partially with those of other domains, including hnxeyy.com and zowalk.com.