coretechs.com - dns.ninja

`coretechs.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::6815:4d5^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:8481^{🇺🇸 Cloudflare2606:4700:3037::/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	2607:f8b0:4004:c1b::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`wv-in-f27.1e100.net`
		A	172.253.122.26^{🇺🇸 Google172.253.122.0/24}
			PTR	`bh-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁵⁾
		A	2a00:1450:4009:c0f::1b^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f27.1e100.net`
		A	192.178.223.26^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f26.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽²⁰⁾
		A	2a00:1450:400c:c23::1a^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f26.1e100.net`
		A	172.253.157.27^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-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	2606:4700:3034::6815:4d5, 2606:4700:3037::ac43:8481
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=155, name=cloudflare-ech.com
SOA	`ivy.ns.cloudflare.com`dns@cloudflare.com serial=2409200517

`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=1784902752

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

23 records (11 active, 12 former)

●NSivy.ns.cloudflare.com2026-02-15 → 2026-07-24 · 3 obs

○ 2017-08-10 19:37:48
● 2026-02-15 02:05:06
● 2026-07-24 14:47:56

○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
○ 2026-07-24 14:47:56

○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
○ 2026-07-24 14:47:56

○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
○ 2026-07-24 14:47:56

○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
○ 2026-07-24 14:47:56

○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
○ 2026-07-24 14:47:56

○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
○ 2026-07-24 14:47:56

●NSpaul.ns.cloudflare.com2026-02-15 → 2026-07-24 · 3 obs

○ 2017-08-10 19:37:48
● 2026-02-15 02:05:06
● 2026-07-24 14:47:56

●MXalt1.aspmx.l.google.com2017-08-10 → 2026-07-24 · 3 obs

○ 2016-09-21 02:37:34
● 2017-08-10 19:37:48
● 2026-07-24 14:47:56

●MXalt2.aspmx.l.google.com2017-08-10 → 2026-07-24 · 3 obs

○ 2016-09-21 02:37:34
● 2017-08-10 19:37:48
● 2026-07-24 14:47:56

●MXalt3.aspmx.l.google.com2017-08-10 → 2026-07-24 · 3 obs

○ 2016-09-21 02:37:34
● 2017-08-10 19:37:48
● 2026-07-24 14:47:56

●MXalt4.aspmx.l.google.com2017-08-10 → 2026-07-24 · 3 obs

○ 2016-09-21 02:37:34
● 2017-08-10 19:37:48
● 2026-07-24 14:47:56

●MXaspmx.l.google.com2017-08-10 → 2026-07-24 · 3 obs

○ 2016-09-21 02:37:34
● 2017-08-10 19:37:48
● 2026-07-24 14:47:56

○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
○ 2026-07-24 14:47:56

○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
○ 2026-07-24 14:47:56

●A104.21.4.2132026-02-15 → 2026-07-24 · 3 obs

○ 2017-08-10 19:37:48
● 2026-02-15 02:05:06
● 2026-07-24 14:47:56

●A172.67.132.1292026-02-15 → 2026-07-24 · 3 obs

○ 2017-08-10 19:37:48
● 2026-02-15 02:05:06
● 2026-07-24 14:47:56

○A2606:4700:3032::6815:4d52026-02-15 → 2026-06-15 · 5 obs

○ 2017-08-10 19:37:48
● 2026-02-15 02:05:06
● 2026-06-15 09:14:48
○ 2026-07-08 11:01:32
○ 2026-07-24 14:47:56

○A2606:4700:3033::ac43:84812026-02-15 → 2026-06-15 · 5 obs

○ 2017-08-10 19:37:48
● 2026-02-15 02:05:06
● 2026-06-15 09:14:48
○ 2026-07-08 11:01:32
○ 2026-07-24 14:47:56

●A2606:4700:3034::6815:4d52026-07-08 → 2026-07-24 · 3 obs

○ 2026-06-15 09:14:48
● 2026-07-08 11:01:32
● 2026-07-24 14:47:56

●A2606:4700:3037::ac43:84812026-07-08 → 2026-07-24 · 3 obs

○ 2026-06-15 09:14:48
● 2026-07-08 11:01:32
● 2026-07-24 14:47:56

○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
○ 2026-07-24 14:47:56

○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
○ 2026-07-24 14:47:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	d.gtld-servers.net, e.gtld-servers.net, i.gtld-servers.net, g.gtld-servers.net...	-
coretechs.com	paul.ns.cloudflare.com, ivy.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.120

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: 123ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.4.213, 172.67.132.129`
AAAA	2	`2606:4700:3034::6815:4d5, 2606:4700:3037::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 the four IP addresses 104.21.4.213, 172.67.132.129, 2606:4700:3034::6815:4d5 and 2606:4700:3037::ac43:8481.

mx2.joyonthejob.info, easyrs.us, webmail.tjaech.gob.mx 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 alongside the name servers arya.ns.cloudflare.com and todd.ns.cloudflare.com.

Hosts with 6 IP addresses each:

ivy.ns.cloudflare.com points to 108.162.192.120, 172.64.32.120, 173.245.58.120 and 3 other IP addresses.

paul.ns.cloudflare.com points to 108.162.193.135, 172.64.33.135, 173.245.59.135 and 3 other IP addresses.

Mail Servers

coretechs.com has five mail servers, which are 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.

These mail servers are often deployed together with alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 other mail servers.

Host names pointing to two IP addresses:

aspmx.l.google.com resolves to 172.253.122.26 and 2607:f8b0:4004:c1b::1b.

alt1.aspmx.l.google.com resolves to 108.177.123.26 and 2800:3f0:4003:c0f::1a.

alt2.aspmx.l.google.com resolves to 172.253.116.26 and 2a00:1450:400b:c02::1a.

alt3.aspmx.l.google.com resolves to 192.178.223.26 and 2a00:1450:4009:c0f::1b.

alt4.aspmx.l.google.com resolves to 172.253.157.27 and 2a00:1450:400c:c23::1a.