coretechs.com - dns.ninja

`coretechs.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::6815:4d5^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:8481^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.4.213^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.132.129^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`ivy.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a78^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ivy.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c078^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ivy.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2078^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ivy.ns.cloudflare.com`
		A	108.162.192.120^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ivy.ns.cloudflare.com`
		A	172.64.32.120^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ivy.ns.cloudflare.com`
		A	173.245.58.120^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ivy.ns.cloudflare.com`
NS	`paul.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b87^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`paul.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c187^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`paul.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2187^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`paul.ns.cloudflare.com`
		A	108.162.193.135^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`paul.ns.cloudflare.com`
		A	172.64.33.135^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`paul.ns.cloudflare.com`
		A	173.245.59.135^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`paul.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2a00:1450:4009:c0f::1a^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f26.1e100.net`
		A	192.178.223.26^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2607:f8b0:4023:2801::1a^{🇺🇸 Google2607:f8b0::/32}
			PTR	`lcausi-in-f26.1e100.net`
		A	192.178.128.27^{🇺🇸 Google192.178.128.0/24}
			PTR	`lcausi-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽¹⁰⁾
		A	2607:f8b0:4023:3003::1a^{🇺🇸 Google2607:f8b0::/32}
			PTR	`yulnkjt-in-f26.1e100.net`
		A	172.253.145.26^{🇺🇸 Google172.253.145.0/24}
			PTR	`yulnkjt-in-f26.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁵⁾
		A	2607:f8b0:4023:1015::1a^{🇺🇸 Google2607:f8b0::/32}
			PTR	`yudfwta-in-f26.1e100.net`
		A	172.253.135.26^{🇺🇸 Google172.253.135.0/24}
			PTR	`yudfwta-in-f26.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽²⁰⁾
		A	2a00:1450:400c:c00::1a^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`ws-in-f26.1e100.net`
			PTR	`ws-in-x1a.1e100.net`
		A	173.194.76.27^{🇺🇸 Google173.194.76.0/24}
			PTR	`ws-in-f27.1e100.net`
TXT	`MS=ms79643746`
TXT	`apple-domain-verification=7jO4rdVM47wQDHTO`
TXT	`google-site-verification=-mpblVqdJzDrRBWeP7aaIm9Qe7rSSsyV33F4DRnm-KM`
TXT	`google-site-verification=0PT3mXzMu-a-56XHs9qA1ua5m14NKtVi-RTw22wGiC0`
TXT	`google-site-verification=cQtvmpFmFeTq4Oa1NLcO3V-1lkKPqD6-sMeIdit6Zac`
TXT	`linkedin-site-verification=25e5086d-8460-4b4d-ac87-ddef295a8972`
TXT	`v=spf1 mx:coretechs.com include:_SPF.google.com include:servers.mcsv.net ip4:...`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.4.213, 172.67.132.129
		IPv6 hints	2606:4700:3032::6815:4d5, 2606:4700:3033::ac43:8481
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=15, name=cloudflare-ech.com
SOA	`ivy.ns.cloudflare.com`dns@cloudflare.com serial=2405898000

`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=1780567324

Subdomains

mail.coretechs.com

Same first word

coretechs.us

coretechs.be

coretechs.it

coretechs.ca

coretechs.com

coretechs.ru

coretechs.de

coretechs.net

Similar names

DNS History

21 records (11 active, 10 former)

●NSivy.ns.cloudflare.com2026-02-15 → 2026-06-04 · 3 obs

○ 2017-08-10 19:37:48
● 2026-02-15 02:05:06
● 2026-06-04 10:03:44

○NSns-cloud-b1.googledomains.com2017-08-10 → 2017-08-10 · 4 obs

○ 2016-09-21 02:37:34
● 2017-08-10 19:37:48
○ 2026-02-15 02:05:06
○ 2026-06-04 10:03:44

○NSns-cloud-b2.googledomains.com2017-08-10 → 2017-08-10 · 4 obs

○ 2016-09-21 02:37:34
● 2017-08-10 19:37:48
○ 2026-02-15 02:05:06
○ 2026-06-04 10:03:44

○NSns-cloud-b3.googledomains.com2017-08-10 → 2017-08-10 · 4 obs

○ 2016-09-21 02:37:34
● 2017-08-10 19:37:48
○ 2026-02-15 02:05:06
○ 2026-06-04 10:03:44

○NSns-cloud-b4.googledomains.com2017-08-10 → 2017-08-10 · 4 obs

○ 2016-09-21 02:37:34
● 2017-08-10 19:37:48
○ 2026-02-15 02:05:06
○ 2026-06-04 10:03:44

○NSns1.coretechs.com2015-05-30 → 2016-09-21 · 4 obs

● 2015-05-30 15:27:32
● 2016-09-21 02:37:34
○ 2017-08-10 19:37:48
○ 2026-06-04 10:03:44

○NSns3.coretechs.com2015-05-30 → 2016-09-21 · 4 obs

● 2015-05-30 15:27:32
● 2016-09-21 02:37:34
○ 2017-08-10 19:37:48
○ 2026-06-04 10:03:44

●NSpaul.ns.cloudflare.com2026-02-15 → 2026-06-04 · 3 obs

○ 2017-08-10 19:37:48
● 2026-02-15 02:05:06
● 2026-06-04 10:03:44

●MXalt1.aspmx.l.google.com2017-08-10 → 2026-06-04 · 3 obs

○ 2016-09-21 02:37:34
● 2017-08-10 19:37:48
● 2026-06-04 10:03:44

●MXalt2.aspmx.l.google.com2017-08-10 → 2026-06-04 · 3 obs

○ 2016-09-21 02:37:34
● 2017-08-10 19:37:48
● 2026-06-04 10:03:44

●MXalt3.aspmx.l.google.com2017-08-10 → 2026-06-04 · 3 obs

○ 2016-09-21 02:37:34
● 2017-08-10 19:37:48
● 2026-06-04 10:03:44

●MXalt4.aspmx.l.google.com2017-08-10 → 2026-06-04 · 3 obs

○ 2016-09-21 02:37:34
● 2017-08-10 19:37:48
● 2026-06-04 10:03:44

●MXaspmx.l.google.com2017-08-10 → 2026-06-04 · 3 obs

○ 2016-09-21 02:37:34
● 2017-08-10 19:37:48
● 2026-06-04 10:03:44

○MXglobala.mxsave.com2015-05-30 → 2016-09-21 · 4 obs

● 2015-05-30 15:27:32
● 2016-09-21 02:37:34
○ 2017-08-10 19:37:48
○ 2026-06-04 10:03:44

○MXmail.coretechs.com2015-05-30 → 2016-09-21 · 4 obs

● 2015-05-30 15:27:32
● 2016-09-21 02:37:34
○ 2017-08-10 19:37:48
○ 2026-06-04 10:03:44

●A104.21.4.2132026-02-15 → 2026-06-04 · 3 obs

○ 2017-08-10 19:37:48
● 2026-02-15 02:05:06
● 2026-06-04 10:03:44

●A172.67.132.1292026-02-15 → 2026-06-04 · 3 obs

○ 2017-08-10 19:37:48
● 2026-02-15 02:05:06
● 2026-06-04 10:03:44

●A2606:4700:3032::6815:4d52026-02-15 → 2026-06-04 · 3 obs

○ 2017-08-10 19:37:48
● 2026-02-15 02:05:06
● 2026-06-04 10:03:44

●A2606:4700:3033::ac43:84812026-02-15 → 2026-06-04 · 3 obs

○ 2017-08-10 19:37:48
● 2026-02-15 02:05:06
● 2026-06-04 10:03:44

○A34.206.218.512017-08-10 → 2017-08-10 · 4 obs

○ 2016-09-21 02:37:34
● 2017-08-10 19:37:48
○ 2026-02-15 02:05:06
○ 2026-06-04 10:03:44

○A72.66.119.672015-05-30 → 2016-09-21 · 4 obs

● 2015-05-30 15:27:32
● 2016-09-21 02:37:34
○ 2017-08-10 19:37:48
○ 2026-06-04 10:03:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, m.gtld-servers.net, d.gtld-servers.net, b.gtld-servers.net...	-
coretechs.com	paul.ns.cloudflare.com, ivy.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.135

NS records: paul.ns.cloudflare.com, ivy.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coretechs.com (unsigned zone)

⏱️ Timing

Total: 287ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.132.129, 104.21.4.213`
AAAA	2	`2606:4700:3032::6815:4d5, 2606:4700:3033::ac43:8481`
NS	2	`ivy.ns.cloudflare.com, paul.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), alt2.aspmx.l.google.com (pri: 10)...`
TXT	7	`MS=ms79643746, apple-domain-verification=7jO4rdVM47wQDH...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`ivy.ns.cloudflare.com dns.cloudflare.com`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (paul.ns.cloudflare.com, paul.ns.cloudflare.com, paul.ns.cloudflare.com...)

Analysis

Hierarchy

mail.coretechs.com is a subdomain of coretechs.com.

IP Addresses

coretechs.com points to 4 IP addresses — 104.21.4.213, 172.67.132.129, 2606:4700:3032::6815:4d5 and 2606:4700:3033::ac43:8481.

easyrs.us, webmail.tjaech.gob.mx, fruitport.easyrs.us plus two other host names have IP numbers in common with coretechs.com.

Name Servers

coretechs.com has two authoritative name servers — ivy.ns.cloudflare.com and paul.ns.cloudflare.com.

The name server configuration of coretechs.com is shared with other domains, for instance alexanderpersky.com, mehr-vpn.com, kalinino.org and two others.

The name servers of coretechs.com overlap at least partially with those of other domains — among them blowfishdiaries.com, benjaminwelch.com, master-instruments.com and two more.

These name servers commonly appear in combination with the name servers arya.ns.cloudflare.com.

Hosts with 6 IP addresses each:

ivy.ns.cloudflare.com resolves to 108.162.192.120, 172.64.32.120 and 173.245.58.120, along with three other IP addresses.

paul.ns.cloudflare.com resolves to 108.162.193.135, 172.64.33.135 and 173.245.59.135, along with three other IP addresses.

Mail Servers

Mail for coretechs.com is routed through 5 mail servers, including aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

At least some of the mail servers used by coretechs.com are shared with other domains: techsatwork.net, russellsprouts.net, ns500742.ns500742.ns500671.ns500731.ns500742.ns500704.ns500671.ns500704.ns500704.ns500704.ns500688.ns500705.ns500671.ns500291.ns500666.ns500291.ns500131.lustychickser.com and two others among them.

It is common for these mail servers to be used in conjunction with mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com and aspmx2.googlemail.com, plus three others.

Host names pointing to two IP addresses:

aspmx.l.google.com resolves to 192.178.223.26 and 2a00:1450:4009:c0f::1a.

alt1.aspmx.l.google.com resolves to 192.178.128.27 and 2607:f8b0:4023:2801::1a.

alt2.aspmx.l.google.com resolves to 172.253.145.26 and 2607:f8b0:4023:3003::1a.

alt3.aspmx.l.google.com resolves to 172.253.135.26 and 2607:f8b0:4023:1015::1a.

alt4.aspmx.l.google.com resolves to 173.194.76.27 and 2a00:1450:400c:c00::1a.