`jtcool.com`

	CNAME	`yd5.f5x-t7s7.ty3w.net`
	DNSSEC	⚠️ Not signed
	A	39.99.38.183^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}

`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=1776994361

Same first word

jtcool.com

Similar names

tjcool.net

cjtool.kr

jctool.com

jctool.com.tw

cjtool.com

jctool.cn

tjloco.com

cooltj.com

jlcoto.github.io

DNS History

9 records (3 active, 6 former)

○NSdns7.hichina.com2015-07-16 → 2017-08-09 · 5 obs

○ 2008-03-18 00:11:44
● 2015-07-16 17:51:36
● 2017-08-09 16:41:00
○ 2026-03-26 00:56:54
○ 2026-04-24 01:43:18

○NSdns8.hichina.com2015-07-16 → 2017-08-09 · 5 obs

○ 2008-03-18 00:11:44
● 2015-07-16 17:51:36
● 2017-08-09 16:41:00
○ 2026-03-26 00:56:54
○ 2026-04-24 01:43:18

●NSns5.diymysite.com2026-03-26 → 2026-04-24 · 3 obs

○ 2017-08-09 16:41:00
● 2026-03-26 00:56:54
● 2026-04-24 01:43:18

●NSns6.diymysite.com2026-03-26 → 2026-04-24 · 3 obs

○ 2017-08-09 16:41:00
● 2026-03-26 00:56:54
● 2026-04-24 01:43:18

○MXmxn.mxhichina.com2015-07-16 → 2017-08-09 · 7 obs

○ 2008-03-18 00:11:44
● 2015-07-16 17:51:36
○ 2015-11-10 08:23:52
● 2015-11-23 13:16:58
● 2017-08-09 16:41:00
○ 2026-03-26 00:56:54
○ 2026-04-24 01:43:18

○MXmxw.mxhichina.com2015-07-16 → 2017-08-09 · 7 obs

○ 2008-03-18 00:11:44
● 2015-07-16 17:51:36
○ 2015-11-10 08:23:52
● 2015-11-23 13:16:58
● 2017-08-09 16:41:00
○ 2026-03-26 00:56:54
○ 2026-04-24 01:43:18

○MXroutenullmx.jtcool.com2008-03-18 → 2008-03-18 · 3 obs

● 2008-03-18 00:11:44
○ 2015-07-16 17:51:36
○ 2026-04-24 01:43:18

○A69.25.142.572008-03-18 → 2008-03-18 · 3 obs

● 2008-03-18 00:11:44
○ 2015-07-16 17:51:36
○ 2026-04-24 01:43:18

●CNAMEyd5.f5x-t7s7.ty3w.net2026-03-26 → 2026-04-24 · 2 obs

● 2026-03-26 00:56:54
● 2026-04-24 01:43:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
jtcool.com	ns5.diymysite.com, ns6.diymysite.com	7 records

✅ Authoritative Response

Server:118.123.253.132

NS records: ns5.diymysite.com, ns6.diymysite.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for jtcool.com (unsigned zone)

⏱️ Timing

Total: 677ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns5.diymysite.com, ns6.diymysite.com`
CNAME	1	`yd5.f5x-t7s7.ty3w.net`
SOA	1	`ns5.diymysite.com dnsconct.myhostadmin.n`

📌 Glue Records Collected

Total: 7

Out-of-bailiwick: 7 (ns5.diymysite.com, ns5.diymysite.com, ns5.diymysite.com...)

Analysis

IP Addresses

jtcool.com points to IP number: 39.99.38.183.

Other host names such as screwtech.com.cn, dt-pm.com, yd5.f5x-t7s7.ty3w.net, denais.cn and nextooling.com share IPs with jtcool.com.

jtcool.com - robtex.com

jtcool.com

com