cooldown.dev - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

cooldown.dev

DNSSEC⚠️ Not signed
A2606:4700:3035::6815:4eeb🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:8a6b🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.78.235Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.138.107🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSali.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a3b🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRali.ns.cloudflare.com
A2803:f800:50::6ca2:c03b🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRali.ns.cloudflare.com
A2a06:98c1:50::ac40:203b🇺🇸 Cloudflare2a06:98c1:50::/45
PTRali.ns.cloudflare.com
A108.162.192.59🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRali.ns.cloudflare.com
A172.64.32.59🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRali.ns.cloudflare.com
A173.245.58.59🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRali.ns.cloudflare.com
NSyichun.ns.cloudflare.com
A2606:4700:58::adf5:3bf8🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRyichun.ns.cloudflare.com
A2803:f800:50::6ca2:c1f8🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRyichun.ns.cloudflare.com
A2a06:98c1:50::ac40:21f8🇺🇸 Cloudflare2a06:98c1:50::/45
PTRyichun.ns.cloudflare.com
A108.162.193.248🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRyichun.ns.cloudflare.com
A172.64.33.248🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRyichun.ns.cloudflare.com
A173.245.59.248🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRyichun.ns.cloudflare.com
MXmi3-ss113.a2hosting.com ⭐
A75.98.175.98🇺🇸 A2HOSTING75.98.160.0/20 A2 Hosting, Inc.
PTRmi3-ss113.a2hosting.com
TXTgoogle-site-verification=v343k8RQtXATkY9XkIh50KEEzIHPm9RdwnG2Iq7Ho1w
TXTv=spf1 +mx +a +ip4:66.198.240.43 ~all
HTTPSHTTP/2 ✓ hints match
IPv4 hints104.21.78.235, 172.67.138.107
IPv6 hints2606:4700:3035::6815:4eeb, 2606:4700:3035::ac43:8a6b
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=221, name=cloudflare-ech.com
SOAali.ns.cloudflare.comdns@cloudflare.com serial=2410102688

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

cooldown.cool
cooldown.ru
cooldown.dev
cooldown.pro
cooldown.nl
cooldown.be
cooldown.nu
cooldown.co.uk
cooldown.eu
cooldown.com
cooldown.at
cooldown.org
cooldown.online
cooldown.net
cooldown.cn
cooldown.amsterdam
cooldown.de
cooldown.co
cooldown.io
cooldown.day
cooldown.fr
cooldown.com.au
cooldown.co.at

Previous names

cookchildrens.dev
cookice.dev
cookie.dev
cookie3.dev
cookiebot.dev
cookied.dev
cookiefirst.dev
cookiejar.dev
cookielab.dev
cookiethough.dev
cookrespect.dev
cookstreet.dev
cookta2012.dev
cool-stuff.dev
coolab.dev
coolawesome.dev
coolbear.dev
coolbox.dev
coolcatsof.dev
cooldojo.dev

Next names

coole.dev
coolen.dev
cooler.dev
coolgame.dev
coolgi.dev
coolhl.dev
coolncheap.dev
coolrequest.dev
coolsheng.dev
coolvibe.dev
cooper.dev
cooperate.dev
cooperativa.dev
cooperators.dev
cooperatorslife.dev
coopercode.dev
cooperlab.dev
coopernorman.dev
coophispanica.dev
coopj.dev

DNS History

9 records (7 active, 2 former)

NSali.ns.cloudflare.comyichun.ns.cloudflare.comMXmi3-ss113.a2hosting.comA104.21.78.235172.67.138.1072606:4700:3035::6815:4eeb2606:4700:3035::ac43:8a6b2606:4700:3031::6815:4eeb2606:4700:3034::ac43:8a6b
●NSali.ns.cloudflare.com2026-06-15 → 2026-08-19 · 2 obs
● 2026-06-15 19:58:20
● 2026-08-19 13:09:06
●NSyichun.ns.cloudflare.com2026-06-15 → 2026-08-19 · 2 obs
● 2026-06-15 19:58:20
● 2026-08-19 13:09:06
●MXmi3-ss113.a2hosting.com2026-06-15 → 2026-08-19 · 2 obs
● 2026-06-15 19:58:20
● 2026-08-19 13:09:06
●A104.21.78.2352026-06-15 → 2026-08-19 · 2 obs
● 2026-06-15 19:58:20
● 2026-08-19 13:09:06
●A172.67.138.1072026-06-15 → 2026-08-19 · 2 obs
● 2026-06-15 19:58:20
● 2026-08-19 13:09:06
○A2606:4700:3031::6815:4eeb2026-06-15 → 2026-06-15 · 3 obs
● 2026-06-15 19:58:20
○ 2026-07-04 11:43:38
○ 2026-08-19 13:09:06
○A2606:4700:3034::ac43:8a6b2026-06-15 → 2026-06-15 · 3 obs
● 2026-06-15 19:58:20
○ 2026-07-04 11:43:38
○ 2026-08-19 13:09:06
●A2606:4700:3035::6815:4eeb2026-07-04 → 2026-08-19 · 3 obs
○ 2026-06-15 19:58:20
● 2026-07-04 11:43:38
● 2026-08-19 13:09:06
●A2606:4700:3035::ac43:8a6b2026-07-04 → 2026-08-19 · 3 obs
○ 2026-06-15 19:58:20
● 2026-07-04 11:43:38
● 2026-08-19 13:09:06

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld3.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com...-
cooldown.devali.ns.cloudflare.com, yichun.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.192.59

NS records: ali.ns.cloudflare.com, yichun.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cooldown.dev (unsigned zone)

⏱️ Timing

Total: 864ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.138.107, 104.21.78.235
AAAA22606:4700:3035::ac43:8a6b, 2606:4700:3035::6815:4eeb
NS2ali.ns.cloudflare.com, yichun.ns.cloudflare.com
MX1mi3-ss113.a2hosting.com (pri: 0)
TXT2google-site-verification=v343k8RQtXATkY9, v=spf1 +mx +a +ip4:66.198.240.43 ~all
HTTPS1{"priority":1,"target":".","alpn":["h2"]
SOA1ali.ns.cloudflare.com dns.cloudflare.com

Analysis

IP Addresses

cooldown.dev has four IP addresses: 104.21.78.235, 172.67.138.107, 2606:4700:3035::6815:4eeb and 2606:4700:3035::ac43:8a6b.

Among the host names that share IP numbers with cooldown.dev are www.itubola.net, 5775record.ru, theoutnet.biz and two others.

Name Servers

cooldown.dev is served by two delegated name servers, ali.ns.cloudflare.com and yichun.ns.cloudflare.com.

cooldown.dev has the same name server delegation as a number of other domains, such as gearset.support, veryhots.com, gearset.com and two more.

cooldown.dev shares at least some of its name servers with other domains, including simplywinesdirect.uk, jzg.io, caseydolan.com and two others.

These name servers are frequently seen alongside aarav.ns.cloudflare.com, matteo.ns.cloudflare.com, earl.ns.cloudflare.com and 3 other name servers.

Host names resolving to 6 IP numbers:

ali.ns.cloudflare.com carries IP addresses 108.162.192.59, 172.64.32.59 and 173.245.58.59, with 3 other addresses beyond those.

yichun.ns.cloudflare.com carries IP addresses 108.162.193.248, 172.64.33.248 and 173.245.59.248, with 3 other addresses beyond those.

Mail Servers

cooldown.dev routes its mail through a single mail server, mi3-ss113.a2hosting.com.

cooldown.dev has the same mail server arrangement as a number of other domains, for example spirited.io, kenandsue.org, tanata.com and two more.

There is one IP number for mi3-ss113.a2hosting.com: 75.98.175.98.