`masterkool.com`

DNSSEC	⚠️ Not signed
A	203.150.230.190^{🇹🇭 ITSC-AS203.150.230.0/23 Internet Thailand Company Ltd. 1768 IFCT Tower, 10th-12th FL IT Floor New Petchburi Road Khwaeng Bang Kapi Khet Huay Khwang}
		PTR	`host190.porar.com`
NS	`ns51.domaincontrol.com` ⭐
		A	2603:5:2192::1a^{🇺🇸 GODADDY-DNS2603:5:2190::/44}
			PTR	`ns51.domaincontrol.com`
		A	97.74.105.26^{🇺🇸 GODADDY-DNS97.74.104.0/23}
NS	`ns52.domaincontrol.com`
		A	2603:5:2292::1a^{🇺🇸 GODADDY-DNS2603:5:2290::/44}
			PTR	`ns52.domaincontrol.com`
		A	173.201.73.26^{🇺🇸 GODADDY-DNS173.201.72.0/23}
MX	`masterkool-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:cc09::^{🇸🇬 Microsoft2a01:111:f000::/36}
			PTR	`mail-sg2pr03cu00500.inbound.protection.outlook.com`
		A	2a01:111:f403:cc1a::8^{🇯🇵 Microsoft2a01:111:f000::/36}
			PTR	`mail-tydpr03cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:cc1f::4^{🇯🇵 Microsoft2a01:111:f000::/36}
			PTR	`mail-os8pr02cu00104.inbound.protection.outlook.com`
		A	52.101.124.117^{🇯🇵 Microsoft52.96.0.0/12 MICROSOFT}
		A	52.101.137.0^{🇸🇬 Microsoft52.96.0.0/12 MICROSOFT}
		A	52.101.157.80^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
TXT	`v=spf1 ip4:124.122.129.114 ip4:203.151.27.66 ip4:203.154.51.29 include:spf.pr...`
TXT	`google-site-verification=Fq1prZCdZj-premnUaD2GeeuJiRgfoa4brfm4BBkGgY`
TXT	`google-site-verification=gQ9gm2fQML6aJ-L3PzptdrPJoiFOwlVDE0U4m5oF2wU`
TXT	`MS=ms51227715`
TXT	`google-site-verification=85frZNKtxMOwFPRxEc9Nn2D0nZg1A-NlMvEHiQS1qds`
SOA	`ns51.domaincontrol.com`dns@jomax.net 2025-11-26 #0

`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=1784614142

Subdomains

mail.masterkool.com

Same first word

masterkool.at

masterkool.eu

masterkool.com

Similar names

DNS History

8 records (4 active, 4 former)

●NSns51.domaincontrol.com2015-06-02 → 2026-07-21 · 2 obs

● 2015-06-02 17:05:06
● 2026-07-21 06:35:22

●NSns52.domaincontrol.com2015-06-02 → 2026-07-21 · 2 obs

● 2015-06-02 17:05:06
● 2026-07-21 06:35:22

●MXmasterkool-com.mail.protection.outlook.com2026-02-22 → 2026-07-21 · 3 obs

○ 2018-09-24 02:12:24
● 2026-02-22 23:20:20
● 2026-07-21 06:35:22

○MXmx7.chaiyohosting.com2015-06-02 → 2018-09-24 · 4 obs

● 2015-06-02 17:05:06
● 2018-09-24 02:12:24
○ 2026-02-22 23:20:20
○ 2026-07-21 06:35:22

○A128.199.83.1892016-09-06 → 2016-11-06 · 5 obs

○ 2016-07-06 09:01:04
● 2016-09-06 06:55:20
● 2016-11-06 19:31:10
○ 2018-09-24 02:12:24
○ 2026-07-21 06:35:22

○A203.150.230.1502018-09-24 → 2018-09-24 · 4 obs

○ 2016-11-06 19:31:10
● 2018-09-24 02:12:24
○ 2026-02-22 23:20:20
○ 2026-07-21 06:35:22

●A203.150.230.1902026-02-22 → 2026-07-21 · 3 obs

○ 2018-09-24 02:12:24
● 2026-02-22 23:20:20
● 2026-07-21 06:35:22

○A203.151.59.302015-06-02 → 2016-07-06 · 4 obs

● 2015-06-02 17:05:06
● 2016-07-06 09:01:04
○ 2016-09-06 06:55:20
○ 2026-07-21 06:35:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	m.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net, f.gtld-servers.net...	-
masterkool.com	ns51.domaincontrol.com, ns52.domaincontrol.com	4 records

✅ Authoritative Response

Server:173.201.73.26

NS records: ns51.domaincontrol.com, ns52.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for masterkool.com (unsigned zone)

⏱️ Timing

Total: 177ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`203.150.230.190`
NS	2	`ns51.domaincontrol.com, ns52.domaincontrol.com`
MX	1	`masterkool-com.mail.protection.outlook.c`
TXT	5	`v=spf1 ip4:124.122.129.114 ip4:203.151.2, google-site-verification=Fq1prZCdZj-prem...`
SOA	1	`ns51.domaincontrol.com dns.jomax.net`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns51.domaincontrol.com, ns51.domaincontrol.com, ns52.domaincontrol.com...)

Analysis

Hierarchy

mail.masterkool.com is a subdomain of masterkool.com.

IP Addresses

masterkool.com directs to one IP number, which is 203.150.230.190.

Among the host names that share IP numbers with masterkool.com are ozonepark.co.th, miq2u.com, inner-pattaya.com and two others.

Name Servers

The NS records for masterkool.com delegate to ns51.domaincontrol.com and ns52.domaincontrol.com.

masterkool.com has the same name server delegation as a number of other domains, such as redraiderswimming.com, beckettkilzer.com, willierippleevents.com and two more.

ns51.domaincontrol.com resolves to 97.74.105.26 and 2603:5:2192::1a. Likewise, ns52.domaincontrol.com resolves to 173.201.73.26 and 2603:5:2292::1a — two IP addresses apiece.

Mail Servers

masterkool.com routes its mail through a single mail server, masterkool-com.mail.protection.outlook.com.

masterkool-com.mail.protection.outlook.com directs to 6 IP numbers, including 52.101.124.117, 52.101.137.0 and 52.101.157.80, along with 3 other.

masterkool.com - robtex.com

masterkool.com

com