🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`stackit.co`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:1754^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:d1d9^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.23.84^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.209.217^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`autumn.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:2694^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`autumn.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c294^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`autumn.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2294^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`autumn.ns.cloudflare.com`
		A	108.162.194.148^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`autumn.ns.cloudflare.com`
		A	162.159.38.148^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`autumn.ns.cloudflare.com`
		A	172.64.34.148^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`autumn.ns.cloudflare.com`
NS	`piotr.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bde^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`piotr.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1de^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`piotr.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21de^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`piotr.ns.cloudflare.com`
		A	108.162.193.222^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`piotr.ns.cloudflare.com`
		A	172.64.33.222^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`piotr.ns.cloudflare.com`
		A	173.245.59.222^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`piotr.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c27::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadsk-in-f26.1e100.net`
		A	142.251.16.26^{🇺🇸 Google142.251.16.0/24}
			PTR	`bl-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c14::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	192.178.234.27^{🇺🇸 Google192.178.0.0/15}
			PTR	`ncsclj-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.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::1b^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f27.1e100.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	`google-site-verification=E_wrgKU_Z1Aedwot7IzEzEoXUqXlvKE8PABCWsdK57A`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.23.84, 172.67.209.217
		IPv6 hints	2606:4700:3033::6815:1754, 2606:4700:3035::ac43:d1d9
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=249, name=cloudflare-ech.com
SOA	`autumn.ns.cloudflare.com`dns@cloudflare.com serial=2413773761

`co`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns0.centralnic.net` ⭐
	NS	`a.registrydns.co`
	NS	`b.registrydns.co`
	NS	`c.registrydns.co`
	NS	`d.registrydns.co`
	SOA	`ns0.centralnic.net`hostmaster@centralnic.net serial=1759750637

Same first word

stackit.co

stackit.ru

stackit.org

stackit.co.nz

stackit.nl

stackit.me

stackit.ch

stackit.lol

stackit.cloud

stackit.tech

stackit.info

stackit.solutions

stackit.run

stackit.guru

stackit.homes

stackit.dk

stackit.de

stackit.eu

stackit.net

stackit.zone

stackit.finance

stackit.us

stackit.ai

stackit.social

stackit.co.uk

stackit.online

stackit.mobi

stackit.top

stackit.co.in

stackit.sbs

stackit.biz

stackit.com

stackit.software

stackit.schwarz

stackit.work

stackit.rocks

stackit.gg

stackit.dev

stackit.domains

stackit.uk

stackit.com.br

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itstack.support

kitcats.com

taktics.in

taktics.pages.dev

tikcast.com

atticks.com

itsatck.com

itstack.io

tasktic.com

tiktacs.com

tictska.cn

catkits.com

tackits.pl

itstack.de

itstack.net

tictask.com

tistack.online

tiktasc.com

statick.ph

catkits.work

tactiks.com

itstack.eu

castkit.com

statick.com

itstack.pl

stickta.com

statick.net

itstack.org

kitcast.tv

tackits.com

taktics.com

kstatic.co

kitcast.app

kitcast.co.uk

kstatic.de

tictaks.com

ktastic.com

castkit.co

statick.io

castkit.app

castkit.live

itstack.com.tr

taskict.com

kstatic.to

stickat.se

atticks.org

sattick.xyz

tistack.com

taktics.app

kstatic.com

statick.org

kitstac.com

kitcats.net

stickat.com

kstatic.link

itstack.com

itstack.dk

sicktat.rocks

itstack.ir

stickat.it

tictask.org

catkits.com.au

statkic.ph

itstack.cn

statick.co.uk

tacksit.pages.dev

tactiks.de

itstack.dev

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Previous names

Next names

DNS History

11 records (11 active, 0 former)

●NSautumn.ns.cloudflare.com2026-09-03 → 2026-09-05 · 2 obs

● 2026-09-03 11:29:02
● 2026-09-05 13:45:46

●NSpiotr.ns.cloudflare.com2026-09-03 → 2026-09-05 · 2 obs

● 2026-09-03 11:29:02
● 2026-09-05 13:45:46

●MXalt1.aspmx.l.google.com2026-09-03 → 2026-09-05 · 2 obs

● 2026-09-03 11:29:02
● 2026-09-05 13:45:46

●MXalt2.aspmx.l.google.com2026-09-03 → 2026-09-05 · 2 obs

● 2026-09-03 11:29:02
● 2026-09-05 13:45:46

●MXalt3.aspmx.l.google.com2026-09-03 → 2026-09-05 · 2 obs

● 2026-09-03 11:29:02
● 2026-09-05 13:45:46

●MXalt4.aspmx.l.google.com2026-09-03 → 2026-09-05 · 2 obs

● 2026-09-03 11:29:02
● 2026-09-05 13:45:46

●MXaspmx.l.google.com2026-09-03 → 2026-09-05 · 2 obs

● 2026-09-03 11:29:02
● 2026-09-05 13:45:46

●A104.21.23.842026-09-03 → 2026-09-05 · 2 obs

● 2026-09-03 11:29:02
● 2026-09-05 13:45:46

●A172.67.209.2172026-09-03 → 2026-09-05 · 2 obs

● 2026-09-03 11:29:02
● 2026-09-05 13:45:46

●A2606:4700:3033::6815:17542026-09-03 → 2026-09-05 · 2 obs

● 2026-09-03 11:29:02
● 2026-09-05 13:45:46

●A2606:4700:3035::ac43:d1d92026-09-03 → 2026-09-05 · 2 obs

● 2026-09-03 11:29:02
● 2026-09-05 13:45:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
co	d.registrydns.co, a.registrydns.co, b.registrydns.co, c.registrydns.co	-
stackit.co	autumn.ns.cloudflare.com, piotr.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.194.148

NS records: autumn.ns.cloudflare.com, piotr.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for stackit.co (unsigned zone)

⏱️ Timing

Total: 575ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.23.84, 172.67.209.217`
AAAA	2	`2606:4700:3033::6815:1754, 2606:4700:3035::ac43:d1d9`
NS	2	`autumn.ns.cloudflare.com, piotr.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	1	`google-site-verification=E_wrgKU_Z1Aedwo`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`autumn.ns.cloudflare.com dns.cloudflare.`

Analysis

IP Addresses

stackit.co resolves to four IP addresses: 104.21.23.84, 172.67.209.217, 2606:4700:3033::6815:1754 and 2606:4700:3035::ac43:d1d9.

wantcup.it.com, sdh212.cc, trustworthydecor.shop plus two other host names have IP numbers in common with stackit.co.

Name Servers

DNS delegation for stackit.co points to two name servers: autumn.ns.cloudflare.com and piotr.ns.cloudflare.com.

The name server configuration of stackit.co is shared with other domains, for instance zeus-7h463ai23qnz.workers.dev, evefremont.com, kenomi.one and two others.

stackit.co partially shares its NS delegation with several other domains, including 8b76a.com, 1841622929.workers.dev, showcase-e3z.pages.dev and two others.

These name servers regularly co-occur with the name servers betty.ns.cloudflare.com, craig.ns.cloudflare.com and trevor.ns.cloudflare.com.

Hosts with 6 IP addresses each:

autumn.ns.cloudflare.com has IP addresses 108.162.194.148, 162.159.38.148 and 172.64.34.148, plus 3 other.

piotr.ns.cloudflare.com has IP addresses 108.162.193.222, 172.64.33.222 and 173.245.59.222, plus 3 other.

Mail Servers

stackit.co is handled by five mail servers: 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 stackit.co are shared with other domains: evasapartment.gr, nnowetachemicals.com, radcacargo.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 has two IP addresses: 142.251.16.26 and 2607:f8b0:4004:c27::1a.

alt1.aspmx.l.google.com has two IP addresses: 192.178.234.27 and 2800:3f0:4003:c14::1a.

alt2.aspmx.l.google.com has two IP addresses: 172.253.116.27 and 2a00:1450:400b:c02::1a.

alt3.aspmx.l.google.com has two IP addresses: 192.178.223.27 and 2a00:1450:4009:c0f::1b.

alt4.aspmx.l.google.com has two IP addresses: 172.253.157.26 and 2a00:1450:400c:c23::1b.