www.tech4c.net - robtex.com

www.tech4c.net

DNSSEC⚠️ Not signed
A2606:4700:3036::6815:46e3🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:8c29🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.70.227Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.140.41🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.70.227, 172.67.140.41
IPv6 hints2606:4700:3036::6815:46e3, 2606:4700:3037::ac43:8c29
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=194, name=cloudflare-ech.com

tech4c.net

DNSSEC🔒 Signed (DS record present)
A2606:4700:3036::6815:46e3🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:8c29🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.70.227Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.140.41🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSbrenna.ns.cloudflare.com ⭐
NSjavier.ns.cloudflare.com
MXmx01.mail.icloud.com ⭐
MXmx02.mail.icloud.com ⭐
TXTapple-domain=bv8VE7QgjURlZ8VE
TXTgoogle-site-verification=PkexESbZ3dpgzoFSTiSMt6SSYjX3gx9nvgxSbFgnspY
TXTv=spf1 include:icloud.com ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.70.227, 172.67.140.41
IPv6 hints2606:4700:3036::6815:46e3, 2606:4700:3037::ac43:8c29
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=194, name=cloudflare-ech.com
SOAbrenna.ns.cloudflare.comdns@cloudflare.com serial=2404168033

Same first word

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DNS History

10 records (4 active, 6 former)

201520162017201820192020202120222023202420252026NSns1.tech4c.netns2.tech4c.netMXmailstore1.europe.secureserver.netsmtp.europe.secureserver.netA104.21.70.227172.67.140.412606:4700:3036::6815:46e32606:4700:3037::ac43:8c29192.186.228.35CNAMEtech4c.net
○NSns1.tech4c.net2015-10-11 → 2016-09-13 · 4 obs
● 2015-10-11 22:12:12
● 2016-09-13 19:46:52
○ 2026-03-06 08:33:48
○ 2026-05-15 20:51:42
○NSns2.tech4c.net2015-10-11 → 2016-09-13 · 4 obs
● 2015-10-11 22:12:12
● 2016-09-13 19:46:52
○ 2026-03-06 08:33:48
○ 2026-05-15 20:51:42
○MXmailstore1.europe.secureserver.net2015-10-11 → 2016-09-13 · 4 obs
● 2015-10-11 22:12:12
● 2016-09-13 19:46:52
○ 2026-03-06 08:33:48
○ 2026-05-15 20:51:42
○MXsmtp.europe.secureserver.net2015-10-11 → 2016-09-13 · 4 obs
● 2015-10-11 22:12:12
● 2016-09-13 19:46:52
○ 2026-03-06 08:33:48
○ 2026-05-15 20:51:42
●A104.21.70.2272026-03-06 → 2026-05-15 · 3 obs
○ 2016-09-13 19:46:52
● 2026-03-06 08:33:48
● 2026-05-15 20:51:42
●A172.67.140.412026-03-06 → 2026-05-15 · 3 obs
○ 2016-09-13 19:46:52
● 2026-03-06 08:33:48
● 2026-05-15 20:51:42
○A192.186.228.352014-07-04 → 2016-09-13 · 4 obs
● 2014-07-04 10:32:52
● 2016-09-13 19:46:52
○ 2026-03-06 08:33:48
○ 2026-05-15 20:51:42
●A2606:4700:3036::6815:46e32026-03-06 → 2026-05-15 · 3 obs
○ 2016-09-13 19:46:52
● 2026-03-06 08:33:48
● 2026-05-15 20:51:42
●A2606:4700:3037::ac43:8c292026-03-06 → 2026-05-15 · 3 obs
○ 2016-09-13 19:46:52
● 2026-03-06 08:33:48
● 2026-05-15 20:51:42
○CNAMEtech4c.net2014-07-04 → 2016-09-13 · 4 obs
● 2014-07-04 10:32:52
● 2016-09-13 19:46:52
○ 2026-03-06 08:33:48
○ 2026-05-15 20:51:42

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
netf.gtld-servers.net, m.gtld-servers.net, k.gtld-servers.net, c.gtld-servers.net...-
tech4c.netbrenna.ns.cloudflare.com, javier.ns.cloudflare.com-

✅ Authoritative Response

Server:162.159.38.176

NS records: brenna.ns.cloudflare.com, javier.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 770ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.70.227, 172.67.140.41
AAAA22606:4700:3036::6815:46e3, 2606:4700:3037::ac43:8c29
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

www.tech4c.net maps to four IP numbers: 2606:4700:3036::6815:46e3, 2606:4700:3037::ac43:8c29, 104.21.70.227 and 172.67.140.41.

Other host names, for instance www.rainote.dev, northwoodtemple.org, www.s-l-o-t-s-a-t-m-c3.site, omnixvaultterra.sbs and abrac.com.br share IP numbers with www.tech4c.net.