`stw.com.br`

DNSSEC	🔒 Signed (DS record present)
A	2606:4700:3031::6815:3b75^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:b130^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.59.117^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.177.48^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`hope.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3aa3^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hope.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0a3^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`hope.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20a3^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`hope.ns.cloudflare.com`
		A	108.162.192.163^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hope.ns.cloudflare.com`
		A	172.64.32.163^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hope.ns.cloudflare.com`
		A	173.245.58.163^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hope.ns.cloudflare.com`
NS	`kurt.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bc1^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kurt.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1c1^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`kurt.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21c1^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`kurt.ns.cloudflare.com`
		A	108.162.193.193^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kurt.ns.cloudflare.com`
		A	172.64.33.193^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kurt.ns.cloudflare.com`
		A	173.245.59.193^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kurt.ns.cloudflare.com`
MX	`mx1.apmx.com.br` ⭐
		A	2001:550:2:78::ca:100^{🇺🇸 COGENT2001:550::/32 Cogent Communications}
			PTR	`fe3-r2-in.atl06.l.antispamcloud.com`
		A	38.101.250.150^{🇺🇸 AS1663338.101.250.0/24}
			PTR	`fe3-r2-in.atl06.l.antispamcloud.com`
MX	`mx2.apmx.com.br`⁽¹⁹⁾
		A	2001:550:2:61::2fc:100^{🇺🇸 COGENT2001:550::/32 Cogent Communications}
		A	38.89.254.156^{🇺🇸 AS1663338.89.254.0/23}
			PTR	`fe1-r2-in.ch03.l.antispamcloud.com`
MX	`mx3.apmx.com.br`⁽³⁰⁾
		A	2001:550:2:3::62:100^{🇺🇸 COGENT2001:550::/32 Cogent Communications}
			PTR	`fe2-r2-in.la10.l.antispamcloud.com`
		A	38.71.16.244^{🇺🇸 AS1663338.71.16.0/24}
			PTR	`fe2-r2-in.la10.l.antispamcloud.com`
MX	`mx4.apmx.com.br`⁽⁴⁰⁾
		A	2001:550:2:78::ca:100^{🇺🇸 COGENT2001:550::/32 Cogent Communications}
			PTR	`fe3-r2-in.atl06.l.antispamcloud.com`
		A	38.101.250.150^{🇺🇸 AS1663338.101.250.0/24}
			PTR	`fe3-r2-in.atl06.l.antispamcloud.com`
TXT	`MS=ms27045824`
TXT	`v=spf1 +a +mx +ip4:45.239.245.80/32 +ip4:177.73.36.163/32 -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.59.117, 172.67.177.48
		IPv6 hints	2606:4700:3031::6815:3b75, 2606:4700:3033::ac43:b130
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=156, name=cloudflare-ech.com
SOA	`hope.ns.cloudflare.com`dns@cloudflare.com serial=2409615263

`com.br`

	DNSSEC	⚠️ Not signed
	NS	`a.dns.br` ⭐ ⚠️ Not in parent delegation
	NS	`b.dns.br` ⚠️ Not in parent delegation
	NS	`c.dns.br` ⚠️ Not in parent delegation
	NS	`d.dns.br` ⚠️ Not in parent delegation
	NS	`e.dns.br` ⚠️ Not in parent delegation
	NS	`f.dns.br` ⚠️ Not in parent delegation
	SOA	`a.dns.br`hostmaster@registro.br serial=2026198030

rank #509804 globally
rank #3761 in the tld
WOT: SAFE (69/100)

Same first word

stw.fr

stw.us

stw.se

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wts.fr

tws.net

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swt.info

tws.ca

tws.com.mx

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wst.in.ua

wts.com.do

tsw.es

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tws.my

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swt.bz

DNS History

17 records (10 active, 7 former)

●NShope.ns.cloudflare.com2026-06-24 → 2026-07-17 · 3 obs

○ 2018-07-24 06:42:02
● 2026-06-24 02:42:34
● 2026-07-17 01:43:36

●NSkurt.ns.cloudflare.com2026-06-24 → 2026-07-17 · 3 obs

○ 2018-07-24 06:42:02
● 2026-06-24 02:42:34
● 2026-07-17 01:43:36

○NSns1.elite-dns.net2015-06-03 → 2018-07-24 · 4 obs

● 2015-06-03 07:33:24
● 2018-07-24 06:42:02
○ 2026-06-24 02:42:34
○ 2026-07-17 01:43:36

○NSns2.elite-dns.co.uk2015-06-03 → 2018-07-24 · 4 obs

● 2015-06-03 07:33:24
● 2018-07-24 06:42:02
○ 2026-06-24 02:42:34
○ 2026-07-17 01:43:36

○NSns3.elite-dns.org2015-06-03 → 2018-07-24 · 4 obs

● 2015-06-03 07:33:24
● 2018-07-24 06:42:02
○ 2026-06-24 02:42:34
○ 2026-07-17 01:43:36

○MXmail05-apollo.websitelive.net2015-06-03 → 2018-07-24 · 4 obs

● 2015-06-03 07:33:24
● 2018-07-24 06:42:02
○ 2026-06-24 02:42:34
○ 2026-07-17 01:43:36

○MXmail50-atlas.websitelive.net2015-06-03 → 2018-07-24 · 4 obs

● 2015-06-03 07:33:24
● 2018-07-24 06:42:02
○ 2026-06-24 02:42:34
○ 2026-07-17 01:43:36

●MXmx1.apmx.com.br2026-06-24 → 2026-07-17 · 3 obs

○ 2018-07-24 06:42:02
● 2026-06-24 02:42:34
● 2026-07-17 01:43:36

●MXmx2.apmx.com.br2026-06-24 → 2026-07-17 · 3 obs

○ 2018-07-24 06:42:02
● 2026-06-24 02:42:34
● 2026-07-17 01:43:36

●MXmx3.apmx.com.br2026-06-24 → 2026-07-17 · 3 obs

○ 2018-07-24 06:42:02
● 2026-06-24 02:42:34
● 2026-07-17 01:43:36

●MXmx4.apmx.com.br2026-06-24 → 2026-07-17 · 3 obs

○ 2018-07-24 06:42:02
● 2026-06-24 02:42:34
● 2026-07-17 01:43:36

●A104.21.59.1172026-06-24 → 2026-07-17 · 3 obs

○ 2018-07-24 06:42:02
● 2026-06-24 02:42:34
● 2026-07-17 01:43:36

●A172.67.177.482026-06-24 → 2026-07-17 · 3 obs

○ 2018-07-24 06:42:02
● 2026-06-24 02:42:34
● 2026-07-17 01:43:36

●A2606:4700:3031::6815:3b752026-06-24 → 2026-07-17 · 3 obs

○ 2018-07-24 06:42:02
● 2026-06-24 02:42:34
● 2026-07-17 01:43:36

●A2606:4700:3033::ac43:b1302026-06-24 → 2026-07-17 · 3 obs

○ 2018-07-24 06:42:02
● 2026-06-24 02:42:34
● 2026-07-17 01:43:36

○A2a00:85c0:1::241:352015-06-03 → 2018-07-24 · 4 obs

● 2015-06-03 07:33:24
● 2018-07-24 06:42:02
○ 2026-06-24 02:42:34
○ 2026-07-17 01:43:36

○A92.53.241.352015-06-03 → 2018-07-24 · 4 obs

● 2015-06-03 07:33:24
● 2018-07-24 06:42:02
○ 2026-06-24 02:42:34
○ 2026-07-17 01:43:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
br	a.dns.br, b.dns.br, c.dns.br, d.dns.br...	-
stw.com.br	hope.ns.cloudflare.com, kurt.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.58.163

NS records: hope.ns.cloudflare.com, kurt.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 892ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.177.48, 104.21.59.117`
AAAA	2	`2606:4700:3033::ac43:b130, 2606:4700:3031::6815:3b75`
NS	2	`hope.ns.cloudflare.com, kurt.ns.cloudflare.com`
MX	4	`mx1.apmx.com.br (pri: 10), mx2.apmx.com.br (pri: 19)...`
TXT	2	`MS=ms27045824, v=spf1 +a +mx +ip4:45.239.245.80/32 +ip4`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`hope.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

stw.com.br points to the four IP addresses 104.21.59.117, 172.67.177.48, 2606:4700:3031::6815:3b75 and 2606:4700:3033::ac43:b130.

gate.mkm.kiev.ua, firstdraft.ca, wptheme.vn plus two other host names have IP numbers in common with stw.com.br.

Name Servers

Two name servers handle the delegation for stw.com.br: hope.ns.cloudflare.com and kurt.ns.cloudflare.com.

The name server configuration of stw.com.br is shared with other domains, for instance valeti.inf.br, usdtcz.com, van-x.eu and two others.

At least some of stw.com.br's name servers are shared with other domains, for example annstudio.com, savondrugmart.ca, suntuy.com and two more.

These name servers tend to be used in conjunction with the name servers anuj.ns.cloudflare.com.

Hosts with 6 IP addresses each:

hope.ns.cloudflare.com resolves to 108.162.192.163, 172.64.32.163 and 173.245.58.163 among others, with 3 other IP addresses in total.

kurt.ns.cloudflare.com resolves to 108.162.193.193, 172.64.33.193 and 173.245.59.193 among others, with 3 other IP addresses in total.

Mail Servers

The four mail servers for stw.com.br are mx1.apmx.com.br, mx2.apmx.com.br, mx3.apmx.com.br and mx4.apmx.com.br.

At least some of the mail servers used by stw.com.br are shared with other domains: grupposrs.com.br, construtorabaldissera.com.br, motorfort.com.br and two others among them.

These mail servers tend to be used in conjunction with the mail servers mx5.apmx.com.br.

mx1.apmx.com.br, mx2.apmx.com.br, mx3.apmx.com.br and mx4.apmx.com.br all carry two IP addresses each. mx1.apmx.com.br directs to 38.101.250.150 and 2001:550:2:78::ca:100. mx2.apmx.com.br directs to 38.89.254.156 and 2001:550:2:61::2fc:100. mx3.apmx.com.br directs to 38.71.16.244 and 2001:550:2:3::62:100. mx4.apmx.com.br directs to 38.101.250.150 and 2001:550:2:78::ca:100. Note that mx1.apmx.com.br and mx4.apmx.com.br share the same IP address pair.

mx1.apmx.com.br along with mx4.apmx.com.br each resolve to 2001:550:2:78::ca:100 IP addresses.

mx1.apmx.com.br along with mx4.apmx.com.br each resolve to 38.101.250.150 IP addresses.

stw.com.br - robtex.com

stw.com.br

com.br

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`stw.com.br`

`com.br`