🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`stac.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:29d4^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:c199^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.41.212^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.193.153^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`clint.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b5a^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clint.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c15a^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`clint.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:215a^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`clint.ns.cloudflare.com`
		A	108.162.193.90^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clint.ns.cloudflare.com`
		A	172.64.33.90^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clint.ns.cloudflare.com`
		A	173.245.59.90^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clint.ns.cloudflare.com`
NS	`mimi.ns.cloudflare.com`
		A	2606:4700:50::adf5:3acb^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mimi.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0cb^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`mimi.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20cb^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`mimi.ns.cloudflare.com`
		A	108.162.192.203^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mimi.ns.cloudflare.com`
		A	172.64.32.203^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mimi.ns.cloudflare.com`
		A	173.245.58.203^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mimi.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c23::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadrs-in-f26.1e100.net`
		A	142.251.111.26^{🇺🇸 Google142.251.111.0/24}
			PTR	`bk-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c14::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	192.178.234.26^{🇺🇸 Google192.178.0.0/15}
			PTR	`ncsclj-in-f26.1e100.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	192.178.223.26^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f26.1e100.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=QUsuR4dYwhmW0joO3mJ7tUzcRjokUCm-bhX6nNGs_8o`
TXT	`google-site-verification=YQgpYyvqBplPnufPZ0AjBmgoK8tw4OESaxzGuRjH_kk`
TXT	`hosting-site=stac-website`
TXT	`v=spf1 include:dc-aa8e722993._spfm.stac.dev ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.41.212, 172.67.193.153
		IPv6 hints	2606:4700:3030::6815:29d4, 2606:4700:3035::ac43:c199
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=45, name=cloudflare-ech.com
SOA	`clint.ns.cloudflare.com`dns@cloudflare.com serial=2412456713

`dev`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns-tld1.charlestonroadregistry.com` ⭐
	NS	`ns-tld2.charlestonroadregistry.com`
	NS	`ns-tld3.charlestonroadregistry.com`
	NS	`ns-tld4.charlestonroadregistry.com`
	NS	`ns-tld5.charlestonroadregistry.com`
	SOA	`ns-tld1.charlestonroadregistry.com`cloud-dns-hostmaster@google.com serial=1

🔒 HSTS Preload (+subdomains)

Same first word

stac.ru

stac.in

stac.exchange

stac.co.jp

stac.biz

stac.me

stac.mobi

stac.nu

stac.cn

stac.no

stac.org.hk

stac.co.ao

stac.fr

stac.vic.edu.au

stac.pl

stac.it

stac.eu

stac.com.tr

stac.jp

stac.school.nz

stac.kr

stac.co.uk

stac.de

stac.com

stac.ac.uk

stac.com.br

stac.works

stac.nl

stac.org

stac.email

stac.ch

stac.co

stac.us

stac.dk

stac.cx

stac.lu

stac.qld.edu.au

stac.cat

stac.uk.com

stac.be

stac.ca

stac.dev

stac.es

stac.edu

stac.nz

stac.com.vn

stac.gr

stac.cloud

stac.com.co

stac.com.my

stac.tempurl.host

Similar names

atsc.ru

cast.guide

scta.org

stca.in

stca.org

cast.org.cn

tcsa.co.za

ctsa.org

cats.kr

scat.es

acst.us

atsc.vn

cast.eu

tsac.org

cast.org.pk

csat.in

acts.media

sact.it

cast.com.tw

acts.com

cast.com.tr

scat.info

cast.global

tasc.ch

acts.(0x736578)

acts.org

cats.show

tacs.be

atcs.co.in

acts.jp

atcs.info

satc.store

cast.se

acts.co.nz

ctas.com.br

cast.school

scta.in

satc.de

tcas.ac.in

tasc.it

acts.cloud

scat.(0x787878)

cast.es

cast.si

scat.media

astc.com.au

cast.com.mx

cats.pm

sact.co

asct.co.kr

tasc.fi

satc.sk

tasc.com.mx

scta.com

scat.com

satc.ch

scat.io

cast.no

cats.club

tacs.cn

cast.plus

cats.sk

cats.academy

tcas.es

csat.ca

tcas.ro

cats.business

scat.gold

tacs.ca

scta.herokuapp.com

tcsa.com.ar

acts.pe.kr

cats.cz

tsac.expert

csta.cz

cats.pink

csta.kz

stca.com.au

tasc.us

tacs.in

tacs.com.br

cats.fi

cats.ir

cast.ne.jp

astc.tax

acts.es

cast.ws

tasc.de

acst.com.au

cast.nl

ctsa.nic.in

csat.ph

scta.de

acst.com.tr

Previous names

Next names

DNS History

11 records (11 active, 0 former)

●NSclint.ns.cloudflare.com2026-08-17 → 2026-08-21 · 2 obs

● 2026-08-17 22:41:14
● 2026-08-21 15:27:06

●NSmimi.ns.cloudflare.com2026-08-17 → 2026-08-21 · 2 obs

● 2026-08-17 22:41:14
● 2026-08-21 15:27:06

●MXalt1.aspmx.l.google.com2026-08-17 → 2026-08-21 · 2 obs

● 2026-08-17 22:41:14
● 2026-08-21 15:27:06

●MXalt2.aspmx.l.google.com2026-08-17 → 2026-08-21 · 2 obs

● 2026-08-17 22:41:14
● 2026-08-21 15:27:06

●MXalt3.aspmx.l.google.com2026-08-17 → 2026-08-21 · 2 obs

● 2026-08-17 22:41:14
● 2026-08-21 15:27:06

●MXalt4.aspmx.l.google.com2026-08-17 → 2026-08-21 · 2 obs

● 2026-08-17 22:41:14
● 2026-08-21 15:27:06

●MXaspmx.l.google.com2026-08-17 → 2026-08-21 · 2 obs

● 2026-08-17 22:41:14
● 2026-08-21 15:27:06

●A104.21.41.2122026-08-17 → 2026-08-21 · 2 obs

● 2026-08-17 22:41:14
● 2026-08-21 15:27:06

●A172.67.193.1532026-08-17 → 2026-08-21 · 2 obs

● 2026-08-17 22:41:14
● 2026-08-21 15:27:06

●A2606:4700:3030::6815:29d42026-08-17 → 2026-08-21 · 2 obs

● 2026-08-17 22:41:14
● 2026-08-21 15:27:06

●A2606:4700:3035::ac43:c1992026-08-17 → 2026-08-21 · 2 obs

● 2026-08-17 22:41:14
● 2026-08-21 15:27:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld5.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com...	-
stac.dev	mimi.ns.cloudflare.com, clint.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.192.203

NS records: mimi.ns.cloudflare.com, clint.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for stac.dev (unsigned zone)

⏱️ Timing

Total: 1962ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.41.212, 172.67.193.153`
AAAA	2	`2606:4700:3035::ac43:c199, 2606:4700:3030::6815:29d4`
NS	2	`clint.ns.cloudflare.com, mimi.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	4	`google-site-verification=QUsuR4dYwhmW0jo, google-site-verification=YQgpYyvqBplPnuf...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`clint.ns.cloudflare.com dns.cloudflare.c`

Analysis

IP Addresses

stac.dev points to the four IP addresses 104.21.41.212, 172.67.193.153, 2606:4700:3030::6815:29d4 and 2606:4700:3035::ac43:c199.

Among the host names that share IP numbers with stac.dev are truba.tv, casinoclaypoker.com, www.ey.hu and two others.

Name Servers

DNS delegation for stac.dev points to two name servers: clint.ns.cloudflare.com and mimi.ns.cloudflare.com.

stac.dev has the same name server delegation as a number of other domains, such as lodynet.top, icmizer.com, vodkagames.net and two more.

There is at least partial name server overlap between stac.dev and other domains — ampgrup368.dev, soxomienbac.com, useyp5c6.pages.dev and two more among them.

These name servers frequently co-occur with the name servers dave.ns.cloudflare.com and wally.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

clint.ns.cloudflare.com has IP addresses 108.162.193.90, 172.64.33.90 and 173.245.59.90, plus 3 other.

mimi.ns.cloudflare.com has IP addresses 108.162.192.203, 172.64.32.203 and 173.245.58.203, plus 3 other.

Mail Servers

stac.dev has five mail servers, which are aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

stac.dev shares at least some of its mail servers with other domains — for example piserve.com, dancelondonstudio.com, kendrafutcher.com and two more.

It is common to find these mail servers paired with mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 more.

Hosts with two IP numbers each:

aspmx.l.google.com has two IP addresses: 142.251.111.26 and 2607:f8b0:4004:c23::1a.

alt1.aspmx.l.google.com has two IP addresses: 192.178.234.26 and 2800:3f0:4003:c14::1a.

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

alt3.aspmx.l.google.com has two IP addresses: 192.178.223.26 and 2a00:1450:4009:c0f::1a.

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