`techstack.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:b223^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3032::6815:2b69^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.43.105^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.178.35^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`brett.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b4c^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brett.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c14c^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`brett.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:214c^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`brett.ns.cloudflare.com`
		A	108.162.193.76^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brett.ns.cloudflare.com`
		A	172.64.33.76^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brett.ns.cloudflare.com`
		A	173.245.59.76^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brett.ns.cloudflare.com`
NS	`ulla.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ae9^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ulla.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0e9^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ulla.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20e9^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ulla.ns.cloudflare.com`
		A	108.162.192.233^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ulla.ns.cloudflare.com`
		A	172.64.32.233^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ulla.ns.cloudflare.com`
		A	173.245.58.233^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ulla.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c08::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bi-in-f27.1e100.net`
		A	172.253.115.27^{🇺🇸 Google172.253.115.0/24}
			PTR	`bg-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1a^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f26.1e100.net`
		A	192.178.223.27^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f27.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1b^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f27.1e100.net`
		A	172.253.157.26^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f26.1e100.net`
TXT	`twilio-domain-verification=08858fd8f4b83c9588ddb3fa1c7674a4`
TXT	`v=spf1 include:_spf.google.com include:spf.leadconnectorhq.com include:mailgu...`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.43.105, 172.67.178.35
		IPv6 hints	2606:4700:3031::ac43:b223, 2606:4700:3032::6815:2b69
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=148, name=cloudflare-ech.com
SOA	`brett.ns.cloudflare.com`dns@cloudflare.com serial=2409089888

`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=1783945237

WOT: SAFE (94/100)

Subdomains

www.techstack.com

Same first word

techstack.info

techstack.guru

techstack.xyz

techstack.pro

techstack.nl

techstack.services

techstack.se

techstack.wiki

techstack.com

techstack.co

techstack.io.vn

techstack.ie

techstack.in

techstack.de

techstack.my.id

techstack.net

techstack.cn

techstack.me

Similar names

statcheck.com

statcheck.info

statcheck.net

checkstat.com

statcheck.cn

catsketch.com

checkstat.us

stacktech.org

stacktech.io

checkstat.me

stacktech.com

checkstat.net

tatscheck.de

checkstat.nl

stacktech.ru

DNS History

25 records (11 active, 14 former)

●NSbrett.ns.cloudflare.com2026-03-14 → 2026-07-13 · 3 obs

○ 2017-03-29 16:12:14
● 2026-03-14 01:07:58
● 2026-07-13 12:30:48

○NSns-1256.awsdns-29.org2015-05-29 → 2017-03-29 · 4 obs

● 2015-05-29 23:34:40
● 2017-03-29 16:12:14
○ 2026-03-14 01:07:58
○ 2026-07-13 12:30:48

○NSns-1925.awsdns-48.co.uk2015-05-29 → 2017-03-29 · 4 obs

● 2015-05-29 23:34:40
● 2017-03-29 16:12:14
○ 2026-03-14 01:07:58
○ 2026-07-13 12:30:48

○NSns-66.awsdns-08.com2015-05-29 → 2017-03-29 · 4 obs

● 2015-05-29 23:34:40
● 2017-03-29 16:12:14
○ 2026-03-14 01:07:58
○ 2026-07-13 12:30:48

○NSns-836.awsdns-40.net2015-05-29 → 2017-03-29 · 4 obs

● 2015-05-29 23:34:40
● 2017-03-29 16:12:14
○ 2026-03-14 01:07:58
○ 2026-07-13 12:30:48

●NSulla.ns.cloudflare.com2026-03-14 → 2026-07-13 · 3 obs

○ 2017-03-29 16:12:14
● 2026-03-14 01:07:58
● 2026-07-13 12:30:48

●MXalt1.aspmx.l.google.com2015-05-29 → 2026-07-13 · 2 obs

● 2015-05-29 23:34:40
● 2026-07-13 12:30:48

●MXalt2.aspmx.l.google.com2015-05-29 → 2026-07-13 · 2 obs

● 2015-05-29 23:34:40
● 2026-07-13 12:30:48

●MXalt3.aspmx.l.google.com2026-03-14 → 2026-07-13 · 3 obs

○ 2017-03-29 16:12:14
● 2026-03-14 01:07:58
● 2026-07-13 12:30:48

●MXalt4.aspmx.l.google.com2026-03-14 → 2026-07-13 · 3 obs

○ 2017-03-29 16:12:14
● 2026-03-14 01:07:58
● 2026-07-13 12:30:48

●MXaspmx.l.google.com2015-05-29 → 2026-07-13 · 2 obs

● 2015-05-29 23:34:40
● 2026-07-13 12:30:48

○MXaspmx2.googlemail.com2015-05-29 → 2017-03-29 · 4 obs

● 2015-05-29 23:34:40
● 2017-03-29 16:12:14
○ 2026-03-14 01:07:58
○ 2026-07-13 12:30:48

○MXaspmx3.googlemail.com2015-05-29 → 2017-03-29 · 4 obs

● 2015-05-29 23:34:40
● 2017-03-29 16:12:14
○ 2026-03-14 01:07:58
○ 2026-07-13 12:30:48

●A104.21.43.1052026-04-08 → 2026-07-13 · 6 obs

○ 2026-03-14 01:07:58
● 2026-04-08 16:17:34
● 2026-06-17 21:14:18
○ 2026-06-30 01:20:52
● 2026-07-13 12:30:46
● 2026-07-13 12:30:48

○A162.159.140.1662026-03-14 → 2026-03-14 · 4 obs

○ 2017-03-29 16:12:14
● 2026-03-14 01:07:58
○ 2026-04-08 16:17:34
○ 2026-07-13 12:30:48

●A172.67.178.352026-04-08 → 2026-07-13 · 6 obs

○ 2026-03-14 01:07:58
● 2026-04-08 16:17:34
● 2026-06-17 21:14:18
○ 2026-06-30 01:20:52
● 2026-07-13 12:30:46
● 2026-07-13 12:30:48

○A188.114.96.02026-06-30 → 2026-06-30 · 4 obs

○ 2026-06-17 21:14:18
● 2026-06-30 01:20:52
○ 2026-07-13 12:30:46
○ 2026-07-13 12:30:48

○A188.114.97.02026-06-30 → 2026-06-30 · 4 obs

○ 2026-06-17 21:14:18
● 2026-06-30 01:20:52
○ 2026-07-13 12:30:46
○ 2026-07-13 12:30:48

○A2606:4700:3030::ac43:b2232026-04-08 → 2026-06-17 · 5 obs

○ 2026-03-14 01:07:58
● 2026-04-08 16:17:34
● 2026-06-17 21:14:18
○ 2026-06-30 01:20:52
○ 2026-07-13 12:30:48

○A2606:4700:3031::6815:2b692026-04-08 → 2026-06-17 · 5 obs

○ 2026-03-14 01:07:58
● 2026-04-08 16:17:34
● 2026-06-17 21:14:18
○ 2026-06-30 01:20:52
○ 2026-07-13 12:30:48

●A2606:4700:3031::ac43:b2232026-07-13 → 2026-07-13 · 3 obs

○ 2026-06-30 01:20:52
● 2026-07-13 12:30:46
● 2026-07-13 12:30:48

●A2606:4700:3032::6815:2b692026-07-13 → 2026-07-13 · 3 obs

○ 2026-06-30 01:20:52
● 2026-07-13 12:30:46
● 2026-07-13 12:30:48

○A2a06:98c1:3120::2026-06-30 → 2026-06-30 · 4 obs

○ 2026-06-17 21:14:18
● 2026-06-30 01:20:52
○ 2026-07-13 12:30:46
○ 2026-07-13 12:30:48

○A2a06:98c1:3121::2026-06-30 → 2026-06-30 · 4 obs

○ 2026-06-17 21:14:18
● 2026-06-30 01:20:52
○ 2026-07-13 12:30:46
○ 2026-07-13 12:30:48

○A50.17.200.1452015-05-29 → 2017-03-29 · 4 obs

● 2015-05-29 23:34:40
● 2017-03-29 16:12:14
○ 2026-03-14 01:07:58
○ 2026-07-13 12:30:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
techstack.com	ulla.ns.cloudflare.com, brett.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.233

NS records: ulla.ns.cloudflare.com, brett.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for techstack.com (unsigned zone)

⏱️ Timing

Total: 169ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.178.35, 104.21.43.105`
AAAA	2	`2606:4700:3032::6815:2b69, 2606:4700:3031::ac43:b223`
NS	2	`brett.ns.cloudflare.com, ulla.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	2	`twilio-domain-verification=08858fd8f4b83, v=spf1 include:_spf.google.com include:s`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`brett.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

The domain www.techstack.com falls under the parent techstack.com.

IP Addresses

techstack.com directs to four IP numbers, which are 104.21.43.105, 172.67.178.35, 2606:4700:3031::ac43:b223 and 2606:4700:3032::6815:2b69.

Among the host names that share IP numbers with techstack.com are www.best-au-onlinecasino.com, www.centreequestreleventdusud.com, valeno77.forum and two others.

Name Servers

techstack.com uses two name servers for its delegation: brett.ns.cloudflare.com and ulla.ns.cloudflare.com.

techstack.com has the same name server delegation as a number of other domains, such as spidercord.com, unclejudds.com, lasvegasconventions.com and two more.

At least some of techstack.com's name servers are shared with other domains, for example scoopzmaineville.com, angelacole.top, webls.net and two more.

These name servers tend to be deployed in combination with the name servers clay.ns.cloudflare.com and etienne.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

Hostname brett.ns.cloudflare.com directs to 108.162.193.76, 172.64.33.76 and 173.245.59.76 along with 3 other IP addresses.

Hostname ulla.ns.cloudflare.com directs to 108.162.192.233, 172.64.32.233 and 173.245.58.233 along with 3 other IP addresses.