coolsym.dev - robtex.com

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

coolsym.dev

DNSSEC⚠️ Not signed
A2606:4700:3032::ac43:be7b🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::6815:13ee🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.19.238Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.190.123🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NScarl.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b6a🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcarl.ns.cloudflare.com
A2803:f800:50::6ca2:c16a🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRcarl.ns.cloudflare.com
A2a06:98c1:50::ac40:216a🇺🇸 Cloudflare2a06:98c1:50::/45
PTRcarl.ns.cloudflare.com
A108.162.193.106🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcarl.ns.cloudflare.com
A172.64.33.106🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcarl.ns.cloudflare.com
A173.245.59.106🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcarl.ns.cloudflare.com
NSsandra.ns.cloudflare.com
A2606:4700:50::a29f:2622🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsandra.ns.cloudflare.com
A2803:f800:50::6ca2:c222🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRsandra.ns.cloudflare.com
A2a06:98c1:50::ac40:2222🇺🇸 Cloudflare2a06:98c1:50::/45
PTRsandra.ns.cloudflare.com
A108.162.194.34🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsandra.ns.cloudflare.com
A162.159.38.34Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsandra.ns.cloudflare.com
A172.64.34.34🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsandra.ns.cloudflare.com
MXsmtp.google.com ⭐
A2607:f8b0:4023:2009::1a🇺🇸 Google2607:f8b0::/32
PTRyuphxer-in-f26.1e100.net
A2607:f8b0:4023:2009::1b🇺🇸 Google2607:f8b0::/32
PTRyuphxer-in-f27.1e100.net
A2607:f8b0:4023:200d::1a🇺🇸 Google2607:f8b0::/32
PTRyuphxrp-in-f26.1e100.net
A2607:f8b0:4023:200f::1b🇺🇸 Google2607:f8b0::/32
PTRyuphxug-in-f27.1e100.net
A172.217.75.26🇺🇸 Google172.217.75.0/24
PTRyuphxej-in-f26.1e100.net
A172.217.75.27🇺🇸 Google172.217.75.0/24
PTRyuphxej-in-f27.1e100.net
A192.178.164.26🇺🇸 Google192.178.164.0/24
PTRyuphxer-in-f26.1e100.net
A192.178.164.27🇺🇸 Google192.178.164.0/24
PTRyuphxer-in-f27.1e100.net
A192.178.231.26🇺🇸 Google192.178.0.0/15
PTRyuphxrp-in-f26.1e100.net
TXTgoogle-site-verification=QuOl3ogQsAelPe98cQz4lKV0OrUrj8mkjO30wBL-oNs
TXTv=spf1 include:_spf.google.com ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.19.238, 172.67.190.123
IPv6 hints2606:4700:3032::ac43:be7b, 2606:4700:3033::6815:13ee
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=49, name=cloudflare-ech.com
SOAcarl.ns.cloudflare.comdns@cloudflare.com serial=2416857973

dev

DNSSEC🔒 Signed (DS record present)
NSns-tld1.charlestonroadregistry.com ⭐
NSns-tld2.charlestonroadregistry.com
NSns-tld3.charlestonroadregistry.com
NSns-tld4.charlestonroadregistry.com
NSns-tld5.charlestonroadregistry.com
SOAns-tld1.charlestonroadregistry.comcloud-dns-hostmaster@google.com serial=1
🔒 HSTS Preload (+subdomains)

Same first word

coolsym.co
coolsym.dev

Similar names

cosmoly.us
myscool.it
comysol.com
mysocol.com
mysoloc.com
clomosy.com.tr
cosmoly.de
ysmcool.xyz
myscool.pro
cosmylo.ru
myscool.ru
clomosy.com
cosmoly.com.tr
solycom.com
mylosco.com
yolocms.com
mycools.com
cosmoly.icu
mooclys.com
cosmylo.com
mycosol.com
somycol.com
mycools.com.ph
mysoloc.org
cosmoly.com
mysoclo.com
mycolos.be
cosymlo.com
mylocos.com
myscool.sn
socomyl.com
myscool.com
mylocos.net

Previous names

coolo.dev
coolomina.dev
coolorange.dev
coolpixel.dev
coolplay.dev
coolr.dev
coolrequest.dev
coolroo.dev
coolsheng.dev
coolship.dev
coolshop.dev
coolsoftware.dev
coolsol.dev
coolspark.dev
coolsrv.dev
coolstack.dev
coolstone.dev
coolstory.dev
coolstorybro.dev
coolstuff.dev

Next names

coolsymbol.dev
coolthings.dev
cooltmo.dev
cooltools.dev
cooltrainer.dev
coolture.dev
coolu.dev
coolvibe.dev
coolvibes.dev
coolweb.dev
coolwinds.dev
coolworld.dev
coolyeah.dev
coolyun.dev
coom.dev
coomb.dev
coombe.dev
coombes.dev
coomeet.dev
coomer.dev

DNS History

7 records (7 active, 0 former)

NScarl.ns.cloudflare.comsandra.ns.cloudflare.comMXsmtp.google.comA104.21.19.238172.67.190.1232606:4700:3032::ac43:be7b2606:4700:3033::6815:13ee
●NScarl.ns.cloudflare.com2026-10-13 → 2026-11-02 · 2 obs
● 2026-10-13 15:50:54
● 2026-11-02 02:48:04
●NSsandra.ns.cloudflare.com2026-10-13 → 2026-11-02 · 2 obs
● 2026-10-13 15:50:54
● 2026-11-02 02:48:04
●MXsmtp.google.com2026-10-13 → 2026-11-02 · 2 obs
● 2026-10-13 15:50:54
● 2026-11-02 02:48:04
●A104.21.19.2382026-10-13 → 2026-11-02 · 2 obs
● 2026-10-13 15:50:54
● 2026-11-02 02:48:04
●A172.67.190.1232026-10-13 → 2026-11-02 · 2 obs
● 2026-10-13 15:50:54
● 2026-11-02 02:48:04
●A2606:4700:3032::ac43:be7b2026-10-13 → 2026-11-02 · 2 obs
● 2026-10-13 15:50:54
● 2026-11-02 02:48:04
●A2606:4700:3033::6815:13ee2026-10-13 → 2026-11-02 · 2 obs
● 2026-10-13 15:50:54
● 2026-11-02 02:48:04

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...-
coolsym.devsandra.ns.cloudflare.com, carl.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.193.106

NS records: sandra.ns.cloudflare.com, carl.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

Root DNSKEY fetch failed: Error: connect EADDRNOTAVAIL 198.41.0.4:53 - Local (0.0.0.0:0)

⏱️ Timing

Total: 494ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.190.123, 104.21.19.238
AAAA22606:4700:3032::ac43:be7b, 2606:4700:3033::6815:13ee
NS2carl.ns.cloudflare.com, sandra.ns.cloudflare.com
MX1smtp.google.com (pri: 1)
TXT2google-site-verification=QuOl3ogQsAelPe9, v=spf1 include:_spf.google.com ~all
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1carl.ns.cloudflare.com dns.cloudflare.co

Analysis

IP Addresses

coolsym.dev points to the four IP addresses 104.21.19.238, 172.67.190.123, 2606:4700:3032::ac43:be7b and 2606:4700:3033::6815:13ee.

www.tomitoku.com, tanzzo.eu, elokkanan.com and two other host names share IP numbers with coolsym.dev.

Name Servers

coolsym.dev is delegated to two name servers: carl.ns.cloudflare.com and sandra.ns.cloudflare.com.

coolsym.dev uses the same name servers as several other domains — among them mamad12n2.workers.dev, gamesunwin.blog, hundepro.com and two more.

The name servers of coolsym.dev overlap at least partially with those of other domains — among them xn--nppintaidot-l8ac.fi, vvs-as.sk, king4033.com and two more.

These name servers commonly appear alongside the name servers cleo.ns.cloudflare.com and teagan.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

carl.ns.cloudflare.com resolves to 108.162.193.106, 172.64.33.106, 173.245.59.106 and 3 other IP addresses.

sandra.ns.cloudflare.com resolves to 108.162.194.34, 162.159.38.34, 172.64.34.34 and 3 other IP addresses.

Mail Servers

Mail for coolsym.dev is handled by a single mail server, smtp.google.com.

coolsym.dev uses an identical mail server configuration to several other domains — among them flagshipbuilder.forum, helloleadportals.org, gloriousgadgets.com.au and two more.

coolsym.dev has mail servers in common with other domains — leverageleadership.com being one example.

smtp.google.com resolves to 9 IP addresses — 172.217.75.26, 172.217.75.27, 192.178.164.26 and 6 others.