s4w.tech - robtex.com

s4w.tech

DNSSEC🔒 Signed (DS record present)
A2606:4700:3030::ac43:caea🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3031::6815:e73🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.14.115Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.202.234🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSbruce.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b4d🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbruce.ns.cloudflare.com
A2803:f800:50::6ca2:c14d🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRbruce.ns.cloudflare.com
A2a06:98c1:50::ac40:214d🇺🇸 Cloudflare2a06:98c1:50::/45
PTRbruce.ns.cloudflare.com
A108.162.193.77🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbruce.ns.cloudflare.com
A172.64.33.77🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbruce.ns.cloudflare.com
A173.245.59.77🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbruce.ns.cloudflare.com
NSivy.ns.cloudflare.com
A2606:4700:50::adf5:3a78🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRivy.ns.cloudflare.com
A2803:f800:50::6ca2:c078🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRivy.ns.cloudflare.com
A2a06:98c1:50::ac40:2078🇺🇸 Cloudflare2a06:98c1:50::/45
PTRivy.ns.cloudflare.com
A108.162.192.120🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRivy.ns.cloudflare.com
A172.64.32.120🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRivy.ns.cloudflare.com
A173.245.58.120🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRivy.ns.cloudflare.com
MXaspmx.l.google.com ⭐
A2607:f8b0:4004:c1f::1a🇺🇸 Google2607:f8b0:4004::/48
PTRpd-in-f26.1e100.net
A142.251.179.27🇺🇸 Google142.251.179.0/24
PTRpd-in-f27.1e100.net
MXalt1.aspmx.l.google.com(5)
A2607:f8b0:4023:2801::1a🇺🇸 Google2607:f8b0::/32
PTRlcausi-in-f26.1e100.net
A192.178.128.26🇺🇸 Google192.178.128.0/24
PTRlcausi-in-f26.1e100.net
MXalt2.aspmx.l.google.com(5)
A2607:f8b0:4023:3003::1b🇺🇸 Google2607:f8b0::/32
PTRyulnkjt-in-f27.1e100.net
A172.253.145.27🇺🇸 Google172.253.145.0/24
PTRyulnkjt-in-f27.1e100.net
MXalt3.aspmx.l.google.com(10)
A2a00:1450:4009:c0f::1b🇬🇧 Google2a00:1450:4009::/48
PTRyulhrs-in-f27.1e100.net
A192.178.223.27🇺🇸 Google192.178.223.0/24
PTRyulhrs-in-f27.1e100.net
MXalt4.aspmx.l.google.com(10)
A2607:f8b0:4001:c70::1b🇺🇸 Google2607:f8b0:4001::/48
PTRyucbful-in-f27.1e100.net
A192.178.209.26🇺🇸 Google192.178.209.0/24
PTRyucbful-in-f26.1e100.net
TXTatlassian-sending-domain-verification=0aee8eaf-779b-450e-991d-93043f5187fa
TXTgoogle-site-verification=z5PrGV-4A2JrK9jgWEl23nhBT9pUvAnR3dMeYTJSAtM
TXTv=spf1 include:_spf.google.com -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.14.115, 172.67.202.234
IPv6 hints2606:4700:3030::ac43:caea, 2606:4700:3031::6815:e73
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=254, name=cloudflare-ech.com
SOAbruce.ns.cloudflare.comdns@cloudflare.com serial=2402939963

tech

DNSSEC🔒 Signed (DS record present)
NSns01.trs-dns.com ⭐
NSns.trs-dns.com
NSns01.trs-dns.net
NSns10.trs-dns.info
NSns10.trs-dns.org
SOAns.trs-dns.comtrs-ops@tucows.com serial=1778294344
🔒 HSTS Preload (+subdomains)

Same first word

s4w.org
s4w.net
s4w.xyz
s4w.nl
s4w.ch
s4w.co
s4w.cn
s4w.de
s4w.it
s4w.uk
s4w.in
s4w.ru
s4w.com.hr
s4w.com
s4w.cz
s4w.tech
s4w.us
s4w.co.uk
s4w.at

Similar names

4ws.fr
4ws.com.au
w4s.eu
ws4.ru
4ws.info
4ws.it
w4s.ca
w4s.info
w4s.cn
4sw.net
w4s.de
4ws.cc
4ws.net
ws4.at
ws4.in
4sw.us
ws4.com
4sw.pl
w4s.com
w4s.biz
4ws.eu
ws4.us
sw4.com
sw4.de
4sw.com
w4s.org
4ws.pl
4sw.eu
4ws.cz
sw4.us
ws4.pages.dev
sw4.pl
sw4.net
ws4.org
sw4.co.uk
4ws.org
4sw.de
ws4.cc
w4s.dk
ws4.net
ws4.nl
4ws.ch
4sw.in
4sw.app
w4s.net
4ws.com
w4s.cloud

DNS History

11 records (11 active, 0 former)

NSbruce.ns.cloudflare.comivy.ns.cloudflare.comMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.comA104.21.14.115172.67.202.2342606:4700:3030::ac43:caea2606:4700:3031::6815:e73
●NSbruce.ns.cloudflare.com2026-05-07 → 2026-05-09 · 2 obs
● 2026-05-07 19:59:44
● 2026-05-09 02:57:08
●NSivy.ns.cloudflare.com2026-05-07 → 2026-05-09 · 2 obs
● 2026-05-07 19:59:44
● 2026-05-09 02:57:08
●MXalt1.aspmx.l.google.com2026-05-07 → 2026-05-09 · 2 obs
● 2026-05-07 19:59:44
● 2026-05-09 02:57:08
●MXalt2.aspmx.l.google.com2026-05-07 → 2026-05-09 · 2 obs
● 2026-05-07 19:59:44
● 2026-05-09 02:57:08
●MXalt3.aspmx.l.google.com2026-05-07 → 2026-05-09 · 2 obs
● 2026-05-07 19:59:44
● 2026-05-09 02:57:08
●MXalt4.aspmx.l.google.com2026-05-07 → 2026-05-09 · 2 obs
● 2026-05-07 19:59:44
● 2026-05-09 02:57:08
●MXaspmx.l.google.com2026-05-07 → 2026-05-09 · 2 obs
● 2026-05-07 19:59:44
● 2026-05-09 02:57:08
●A104.21.14.1152026-05-07 → 2026-05-09 · 2 obs
● 2026-05-07 19:59:44
● 2026-05-09 02:57:08
●A172.67.202.2342026-05-07 → 2026-05-09 · 2 obs
● 2026-05-07 19:59:44
● 2026-05-09 02:57:08
●A2606:4700:3030::ac43:caea2026-05-07 → 2026-05-09 · 2 obs
● 2026-05-07 19:59:44
● 2026-05-09 02:57:08
●A2606:4700:3031::6815:e732026-05-07 → 2026-05-09 · 2 obs
● 2026-05-07 19:59:44
● 2026-05-09 02:57:08

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
techns01.trs-dns.com, ns10.trs-dns.info, ns10.trs-dns.org, ns01.trs-dns.net-
s4w.techivy.ns.cloudflare.com, bruce.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.59.77

NS records: ivy.ns.cloudflare.com, bruce.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 625ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.202.234, 104.21.14.115
AAAA22606:4700:3030::ac43:caea, 2606:4700:3031::6815:e73
NS2bruce.ns.cloudflare.com, ivy.ns.cloudflare.com
MX5aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...
TXT3atlassian-sending-domain-verification=0a, google-site-verification=z5PrGV-4A2JrK9j...
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1bruce.ns.cloudflare.com dns.cloudflare.c

Analysis

IP Addresses

s4w.tech points to four IP numbers: 2606:4700:3030::ac43:caea, 2606:4700:3031::6815:e73, 104.21.14.115 and 172.67.202.234.

Other host names including damreix.com, arunaluplants.com, www.iesanpablo.edu.co, pixelitooo.com and mail.anthonybrodie.com share IP numbers with s4w.tech.

Name Servers

s4w.tech's delegation uses two name servers, bruce.ns.cloudflare.com and ivy.ns.cloudflare.com.

s4w.tech shares the same name server setup as other domains, for example goztepenakliye.com.tr, gouts.org, velcapitan.com, custom-support.net and naszatablica.pl.

s4w.tech at least partially shares name servers with other domains, including 77929.com, ecandidate.net, motorfocus.com.au, azvet.com and microdeal.co.il.

These name servers are often used together with isabel.ns.cloudflare.com.

Host names with six IP numbers:

bruce.ns.cloudflare.com points to: 2606:4700:58::adf5:3b4d, 2803:f800:50::6ca2:c14d, 2a06:98c1:50::ac40:214d, 108.162.193.77, 172.64.33.77 and 173.245.59.77.

ivy.ns.cloudflare.com points to: 2606:4700:50::adf5:3a78, 2803:f800:50::6ca2:c078, 2a06:98c1:50::ac40:2078, 108.162.192.120, 172.64.32.120 and 173.245.58.120.

Mail Servers

s4w.tech is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

The mail servers for s4w.tech are shared with other domains, for instance 3ctelecom.com, ns500734.ns500734.ns500699.ns500693.ns500699.ns500699.ns500734.ns500699.ns500683.ns500699.ns500588.ns500632.ns500612.dtrkdll.com, ns500841.ns500794.ns500821.ns500794.ns500821.ns500821.ns500821.ns500821.ns500794.ns500821.ns500790.ns500795.lustypartnersfinder.com, aipem.com and gaiansolutions.com.

These mail servers are commonly used alongside aspmx2.googlemail.com and aspmx3.googlemail.com.

Host names with two IP numbers:

aspmx.l.google.com points to 2607:f8b0:4004:c1f::1a and 142.251.179.27.

alt1.aspmx.l.google.com points to 2607:f8b0:4023:2801::1a and 192.178.128.26.

alt2.aspmx.l.google.com points to 2607:f8b0:4023:3003::1b and 172.253.145.27.

alt3.aspmx.l.google.com points to 2a00:1450:4009:c0f::1b and 192.178.223.27.

alt4.aspmx.l.google.com points to 2607:f8b0:4001:c70::1b and 192.178.209.26.