coretech.us - dns.ninja

`coretech.us`

DNSSEC	⚠️ Not signed
A	216.21.224.199^{🇺🇸 Jacksonville216.21.224.0/24 5335 Gate Parkway Jacksonville FL 32256 United States}
NS	`dns054.a.register.com` ⭐ ⚠️ Not in parent delegation
		A	216.21.231.54^{🇺🇸 Jacksonville216.21.231.0/24 5335 Gate Parkway Jacksonville FL 32256 United States}
			PTR	`dns054.a.register.com`
NS	`dns082.d.register.com` ⚠️ Not in parent delegation
		A	216.21.236.82^{🇺🇸 Jacksonville216.21.236.0/24 5335 Gate Parkway Jacksonville FL 32256 United States}
			PTR	`dns082.d.register.com`
NS	`dns1.srsplus.com` ⚠️ Not in zone NS records
		A	162.159.27.248^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`dns190.b.register.com` ⚠️ Not in parent delegation
		A	216.21.232.190^{🇺🇸 Jacksonville216.21.232.0/24 5335 Gate Parkway Jacksonville FL 32256 United States}
			PTR	`dns190.b.register.com`
NS	`dns2.srsplus.com` ⚠️ Not in zone NS records
		A	162.159.26.197^{Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`dns232.c.register.com` ⚠️ Not in parent delegation
		A	216.21.235.232^{🇺🇸 Jacksonville216.21.234.0/23 NF ATL SUBNETS}
MX	`mx1-us1.ppe-hosted.com` ⭐
		A	67.231.154.162^{🇺🇸 Proofpoint67.231.154.0/24 Inc.}
			PTR	`mx1-us1.ppe-hosted.com`
		A	148.163.129.50^{🇺🇸 AS13916148.163.129.0/24 Proofpoint Inc.}
			PTR	`mx1-us1.ppe-hosted.com`
MX	`mx2-us1.ppe-hosted.com` ⭐
		A	67.231.154.163^{🇺🇸 Proofpoint67.231.154.0/24 Inc.}
			PTR	`mx2-us1.ppe-hosted.com`
		A	148.163.129.51^{🇺🇸 AS13916148.163.129.0/24 Proofpoint Inc.}
			PTR	`mx2-us1.ppe-hosted.com`
TXT	`duo_sso_verification=wcNaGp3TtJ9b5UdqJJaUSGkeh94NCnFYOvlHhISHKtapVFFGyBiAr5sp...`
TXT	`v=spf1 a:dispatch-us.ppe-hosted.com include:CoreTechUS.onmicrosoft.com includ...`
TXT	`zapier-domain-verification-challenge=82f72cb9-4247-4d17-8a5b-6d62c55c9363`
TXT	`apple-domain-verification=ZsktBvJBhpeNrHFf`
TXT	`MS=ms43942223`
TXT	`MS=ms32926895`
SOA	`dns054.a.register.com`root@register.com 2015-06-09 #31

`us`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.cctld.us` ⭐
	NS	`b.cctld.us`
	NS	`f.cctld.us`
	NS	`k.cctld.us`
	NS	`m.cctld.us`
	NS	`n.cctld.us`
	NS	`w.cctld.us`
	NS	`x.cctld.us`
	NS	`y.cctld.us`
	SOA	`a.cctld.us`admin@tldns.godaddy serial=1782758298

Subdomains

blog.coretech.us

nerdio.coretech.us

Same first word

coretech.co

coretech.io.vn

coretech.pro

coretech.co.th

coretech.com.au

coretech.se

coretech.host

coretech.center

coretech.net.au

coretech.dk

coretech.hu

coretech.info

coretech.com.br

coretech.com.my

coretech.me

coretech.cl

coretech.ca

coretech.do

coretech.cc

coretech.us

coretech.ch

coretech.com.mx

coretech.com.sg

coretech.co.nz

coretech.it

coretech.net

coretech.com.ar

coretech.com

coretech.azurewebsites.net

coretech.sg

coretech.ro

Similar names

DNS History

17 records (9 active, 8 former)

●NSdns054.a.register.com2026-03-27 → 2026-06-29 · 3 obs

○ 2017-06-17 10:08:16
● 2026-03-27 06:24:54
● 2026-06-29 18:47:50

●NSdns082.d.register.com2026-03-27 → 2026-06-29 · 3 obs

○ 2017-06-17 10:08:16
● 2026-03-27 06:24:54
● 2026-06-29 18:47:50

●NSdns1.srsplus.com2026-03-27 → 2026-06-29 · 3 obs

○ 2017-06-17 10:08:16
● 2026-03-27 06:24:54
● 2026-06-29 18:47:50

●NSdns190.b.register.com2026-03-27 → 2026-06-29 · 3 obs

○ 2017-06-17 10:08:16
● 2026-03-27 06:24:54
● 2026-06-29 18:47:50

●NSdns2.srsplus.com2026-03-27 → 2026-06-29 · 3 obs

○ 2017-06-17 10:08:16
● 2026-03-27 06:24:54
● 2026-06-29 18:47:50

●NSdns232.c.register.com2026-03-27 → 2026-06-29 · 3 obs

○ 2017-06-17 10:08:16
● 2026-03-27 06:24:54
● 2026-06-29 18:47:50

○NSns-1001.awsdns-61.net2015-07-21 → 2017-06-17 · 4 obs

● 2015-07-21 10:15:12
● 2017-06-17 10:08:16
○ 2026-03-27 06:24:54
○ 2026-06-29 18:47:50

○NSns-1209.awsdns-23.org2015-07-21 → 2017-06-17 · 4 obs

● 2015-07-21 10:15:12
● 2017-06-17 10:08:16
○ 2026-03-27 06:24:54
○ 2026-06-29 18:47:50

○NSns-1827.awsdns-36.co.uk2015-07-21 → 2017-06-17 · 4 obs

● 2015-07-21 10:15:12
● 2017-06-17 10:08:16
○ 2026-03-27 06:24:54
○ 2026-06-29 18:47:50

○NSns-21.awsdns-02.com2015-07-21 → 2017-06-17 · 4 obs

● 2015-07-21 10:15:12
● 2017-06-17 10:08:16
○ 2026-03-27 06:24:54
○ 2026-06-29 18:47:50

○MXcoretech.us.inbound10.mxlogic.net2015-07-21 → 2016-08-11 · 4 obs

● 2015-07-21 10:15:12
● 2016-08-11 15:21:02
○ 2016-11-27 20:24:14
○ 2026-06-29 18:47:50

○MXcoretech.us.inbound10.mxlogicmx.net2015-07-21 → 2016-08-11 · 4 obs

● 2015-07-21 10:15:12
● 2016-08-11 15:21:02
○ 2016-11-27 20:24:14
○ 2026-06-29 18:47:50

●MXmx1-us1.ppe-hosted.com2016-11-27 → 2026-06-29 · 3 obs

○ 2016-08-11 15:21:02
● 2016-11-27 20:24:14
● 2026-06-29 18:47:50

●MXmx2-us1.ppe-hosted.com2016-11-27 → 2026-06-29 · 3 obs

○ 2016-08-11 15:21:02
● 2016-11-27 20:24:14
● 2026-06-29 18:47:50

○A205.178.189.1292016-08-11 → 2017-06-17 · 5 obs

○ 2016-03-15 08:54:46
● 2016-08-11 15:21:02
● 2017-06-17 10:08:16
○ 2026-03-27 06:24:54
○ 2026-06-29 18:47:50

●A216.21.224.1992026-03-27 → 2026-06-29 · 3 obs

○ 2017-06-17 10:08:16
● 2026-03-27 06:24:54
● 2026-06-29 18:47:50

○A66.206.198.422015-07-21 → 2016-03-15 · 4 obs

● 2015-07-21 10:15:12
● 2016-03-15 08:54:46
○ 2016-08-11 15:21:02
○ 2026-06-29 18:47:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
us	b.cctld.us, f.cctld.us, k.cctld.us, m.cctld.us...	-
coretech.us	dns2.srsplus.com, dns1.srsplus.com	-

✅ Authoritative Response

Server:162.159.27.248

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coretech.us (unsigned zone)

⏱️ Timing

Total: 596ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`216.21.224.199`
NS	4	`dns190.b.register.com, dns054.a.register.com...`
MX	2	`mx2-us1.ppe-hosted.com (pri: 10), mx1-us1.ppe-hosted.com (pri: 10)`
TXT	6	`duo_sso_verification=wcNaGp3TtJ9b5UdqJJa, MS=ms32926895...`
SOA	1	`dns054.a.register.com root.register.com`

Analysis

Hierarchy

The parent domain of blog.coretech.us and nerdio.coretech.us is coretech.us.

IP Addresses

coretech.us directs to one IP number, which is 216.21.224.199.

Among the host names that share IP numbers with coretech.us are wyndhamorangecounty.com, mail.airalgerie.com, classicalguitarsint.com and two others.

Name Servers

coretech.us is delegated to 6 name servers: dns1.srsplus.com, dns2.srsplus.com, dns054.a.register.com and 3 other.

coretech.us shares at least some of its name servers with other domains, including sossepticpumping.com, fortclarkdays.org, lvserv.com and two others.

These name servers are frequently seen alongside dns1.register.com, dns2.register.com, dns082.d.register.com and 7 other name servers.

Hosts that resolve to one IP address:

dns1.srsplus.com points to 162.159.27.248.

dns2.srsplus.com points to 162.159.26.197.

dns054.a.register.com points to 216.21.231.54.

dns190.b.register.com points to 216.21.232.190.

dns232.c.register.com points to 216.21.235.232.

dns082.d.register.com points to 216.21.236.82.

Mail Servers

The MX records for coretech.us point to two mail servers: mx1-us1.ppe-hosted.com and mx2-us1.ppe-hosted.com.

coretech.us has the same mail server arrangement as a number of other domains, for example mountfairfarm.com, arswealth.com, gama-technologies.com and two more.

coretech.us shares at least some of its mail servers with other domains — for example cityofmillersville.com, bakerpaperco.com, gooutdoorsin.com and two more.

mx1-us1.ppe-hosted.com and mx2-us1.ppe-hosted.com each resolve to two IP addresses: mx1-us1.ppe-hosted.com points to 67.231.154.162 and 148.163.129.50, while mx2-us1.ppe-hosted.com points to 67.231.154.163 and 148.163.129.51.