`corekaratesystems.com`

DNSSEC	⚠️ Not signed
A	20.49.104.5^{🇺🇸 Microsoft20.48.0.0/12}
NS	`dns1.stabletransit.com` ⭐
		A	69.20.95.4^{🇺🇸 RACKSPACE-DFW69.20.95.0/24 Rackspace, 5000 Walzem Road, San Antonio, TX 78218}
			PTR	`ns.rackspace.com`
NS	`dns2.stabletransit.com`
		A	65.61.188.4^{🇺🇸 RACKSPACE-LON65.61.188.0/24 Rackspace, 5000 Walzem Road, San Antonio, TX 78218}
			PTR	`ns2.rackspace.com`
MX	`smtp.secureserver.net` ⭐
		A	216.69.141.71^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp01-v01.prod.phx3.secureserver.net`
		A	216.69.141.84^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp02-v01.prod.phx3.secureserver.net`
		A	216.69.141.113^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp03-v01.prod.phx3.secureserver.net`
MX	`mailstore1.secureserver.net`⁽¹⁰⁾
		A	216.69.141.78^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp01-v02.prod.phx3.secureserver.net`
		A	216.69.141.114^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp03-v02.prod.phx3.secureserver.net`
		A	216.69.141.162^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp02-v02.prod.phx3.secureserver.net`
TXT	`D2468507`
TXT	`google-site-verification=_VIO9uRdhwhMmxy8KUwRs8fSPDSM6bXPz280m9RjfzM`
SOA	`dns1.stabletransit.com`sample@corekaratesystems.com serial=1614620145

`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=1771291435

DNS History

12 records (5 active, 7 former)

●NSdns1.stabletransit.com2026-03-14 → 2026-03-14 · 3 obs

○ 2018-07-21 15:52:44
● 2026-03-14 12:55:22
● 2026-03-14 12:55:26

●NSdns2.stabletransit.com2026-03-14 → 2026-03-14 · 3 obs

○ 2018-07-21 15:52:44
● 2026-03-14 12:55:22
● 2026-03-14 12:55:26

○NSns.intersessions.com2015-07-23 → 2018-07-21 · 4 obs

● 2015-07-23 15:29:06
● 2018-07-21 15:52:44
○ 2026-03-14 12:55:22
○ 2026-03-14 12:55:26

○NSns1.espyder-edeint.com2015-07-23 → 2018-07-21 · 4 obs

● 2015-07-23 15:29:06
● 2018-07-21 15:52:44
○ 2026-03-14 12:55:22
○ 2026-03-14 12:55:26

○NSns2.espyder-edeint.com2015-07-23 → 2018-07-21 · 4 obs

● 2015-07-23 15:29:06
● 2018-07-21 15:52:44
○ 2026-03-14 12:55:22
○ 2026-03-14 12:55:26

○MXcorekaratesystems.com2015-07-23 → 2017-02-11 · 4 obs

● 2015-07-23 15:29:06
● 2017-02-11 01:47:42
○ 2018-07-21 15:52:44
○ 2026-03-14 12:55:26

●MXmailstore1.secureserver.net2026-03-14 → 2026-03-14 · 3 obs

○ 2018-07-21 15:52:44
● 2026-03-14 12:55:22
● 2026-03-14 12:55:26

○MXmx07.avspamfilter.com2018-07-21 → 2018-07-21 · 4 obs

○ 2017-02-11 01:47:42
● 2018-07-21 15:52:44
○ 2026-03-14 12:55:22
○ 2026-03-14 12:55:26

○MXmx08.avspamfilter.com2018-07-21 → 2018-07-21 · 4 obs

○ 2017-02-11 01:47:42
● 2018-07-21 15:52:44
○ 2026-03-14 12:55:22
○ 2026-03-14 12:55:26

●MXsmtp.secureserver.net2026-03-14 → 2026-03-14 · 3 obs

○ 2018-07-21 15:52:44
● 2026-03-14 12:55:22
● 2026-03-14 12:55:26

●A20.49.104.52026-03-14 → 2026-03-14 · 3 obs

○ 2018-07-21 15:52:44
● 2026-03-14 12:55:22
● 2026-03-14 12:55:26

○A74.220.25.842015-07-23 → 2018-07-21 · 4 obs

● 2015-07-23 15:29:06
● 2018-07-21 15:52:44
○ 2026-03-14 12:55:22
○ 2026-03-14 12:55:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
corekaratesystems.com	dns1.stabletransit.com, dns2.stabletransit.com	2 records

✅ Authoritative Response

Server: 65.61.188.4

NS records: dns1.stabletransit.com, dns2.stabletransit.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for corekaratesystems.com (unsigned zone)

⏱️ Timing

Total: 263ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`20.49.104.5`
NS	2	`dns2.stabletransit.com, dns1.stabletransit.com`
MX	2	`mailstore1.secureserver.net (pri: 10), smtp.secureserver.net (pri: 0)`
TXT	2	`google-site-verification=_VIO9uRdhwhMmxy, D2468507`
SOA	1	`dns1.stabletransit.com sample.corekarate`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (dns1.stabletransit.com, dns2.stabletransit.com)

Analysis

IP Addresses

corekaratesystems.com points to an IP address: 20.49.104.5.

other host names include prevail.ca, prevail.com, glendaletaekwondo.com, traditionalkarate.com and rcjmjjthecolony.com; they share IP numbers with corekaratesystems.com.

Name Servers

Two name servers dns1.stabletransit.com and dns2.stabletransit.com handle the delegation for corekaratesystems.com.

corekaratesystems.com shares the same name server setup as other domains, for instance pro-remodeling.com, basementexpertsny.com, manusoft.com.au, discoverstlcop.com and pinkababy.com.

corekaratesystems.com at least partially shares name servers with other domains, for instance mills.cc, arkadiumhosted.com, yrhost.net, cdn94.raxcdn.com and bakersfixwalls.com.

These name servers are commonly used alongside ns.rackspace.com, ns2.rackspace.com and dns.stabletransit.com.

Host names with one IP:

dns1.stabletransit.com points to: 69.20.95.4

dns2.stabletransit.com points to: 65.61.188.4

Mail Servers

corekaratesystems.com is handled by two mail servers: mailstore1.secureserver.net and smtp.secureserver.net.

corekaratesystems.com uses the same mail server setup as other domains, for instance garantmc.com, lesbianlive.net, sandiahearingaids.org, urbanology.guru and asupitchforks.com.

corekaratesystems.com shares at least some mail servers with other domains, for instance kinderarzt-sander.de.

Host names with three IP numbers:

mailstore1.secureserver.net points to: 216.69.141.78, 216.69.141.114 and 216.69.141.162.

smtp.secureserver.net points to: 216.69.141.71, 216.69.141.84 and 216.69.141.113.

corekaratesystems.com - robtex.com