🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`zerocool.dev`

DNSSEC	⚠️ Not signed
NS	`duke.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b6e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`duke.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c16e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`duke.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:216e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`duke.ns.cloudflare.com`
		A	108.162.193.110^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`duke.ns.cloudflare.com`
		A	172.64.33.110^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`duke.ns.cloudflare.com`
		A	173.245.59.110^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`duke.ns.cloudflare.com`
NS	`zara.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a94^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zara.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c094^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`zara.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2094^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`zara.ns.cloudflare.com`
		A	108.162.192.148^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zara.ns.cloudflare.com`
		A	172.64.32.148^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zara.ns.cloudflare.com`
		A	173.245.58.148^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zara.ns.cloudflare.com`
MX	`mail.protonmail.ch` ⭐
		A	176.119.200.128^{🇨🇭 Proton176.119.200.0/24}
			PTR	`mail.protonmail.ch`
		A	185.70.42.128^{🇨🇭 Proton185.70.42.0/24}
			PTR	`mail.protonmail.ch`
		A	185.205.70.128^{🇫🇷 Proton185.205.70.0/24}
			PTR	`mail.protonmail.ch`
MX	`mailsec.protonmail.ch`⁽²⁰⁾
		A	176.119.200.129^{🇨🇭 Proton176.119.200.0/24}
			PTR	`mailsec.protonmail.ch`
		A	185.70.42.129^{🇨🇭 Proton185.70.42.0/24}
			PTR	`mailsec.protonmail.ch`
		A	185.205.70.129^{🇫🇷 Proton185.205.70.0/24}
			PTR	`mailsec.protonmail.ch`
TXT	`ca3-066dc2154b544cf9afc2a4edc69e6e1a`
TXT	`protonmail-verification=3c0ebf00f536755b3ed6c132cd4366969743f178`
TXT	`v=spf1 include:_spf.protonmail.ch mx ~all`
SOA	`duke.ns.cloudflare.com`dns@cloudflare.com serial=2411169251

`dev`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns-tld1.charlestonroadregistry.com` ⭐
	NS	`ns-tld2.charlestonroadregistry.com`
	NS	`ns-tld3.charlestonroadregistry.com`
	NS	`ns-tld4.charlestonroadregistry.com`
	NS	`ns-tld5.charlestonroadregistry.com`
	SOA	`ns-tld1.charlestonroadregistry.com`cloud-dns-hostmaster@google.com serial=1

🔒 HSTS Preload (+subdomains)

Same first word

Similar names

zeroloco.com

coolzero.org

rezoloco.com

coolzero.nl

coolzero.de

coolzero.com

coolzero.info

coolzero.duckdns.org

coolzero.us

elcorozo.com

coolzero.net

zoecolor.com

zerolooc.workers.dev

Previous names

Next names

DNS History

4 records (4 active, 0 former)

●NSduke.ns.cloudflare.com2026-09-01 → 2026-09-04 · 2 obs

● 2026-09-01 02:16:50
● 2026-09-04 11:22:08

●NSzara.ns.cloudflare.com2026-09-01 → 2026-09-04 · 2 obs

● 2026-09-01 02:16:50
● 2026-09-04 11:22:08

●MXmail.protonmail.ch2026-09-01 → 2026-09-04 · 6 obs

● 2026-09-01 02:16:50
○ 2026-09-02 18:23:28
● 2026-09-03 01:10:36
○ 2026-09-03 02:04:36
● 2026-09-03 16:53:40
● 2026-09-04 11:22:08

●MXmailsec.protonmail.ch2026-09-01 → 2026-09-04 · 6 obs

● 2026-09-01 02:16:50
○ 2026-09-02 18:23:28
● 2026-09-03 01:10:36
○ 2026-09-03 02:04:36
● 2026-09-03 16:53:40
● 2026-09-04 11:22:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	-
zerocool.dev	zara.ns.cloudflare.com, duke.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.193.110

NS records: zara.ns.cloudflare.com, duke.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for zerocool.dev (unsigned zone)

⏱️ Timing

Total: 1066ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`duke.ns.cloudflare.com, zara.ns.cloudflare.com`
MX	2	`mail.protonmail.ch (pri: 10), mailsec.protonmail.ch (pri: 20)`
TXT	3	`ca3-066dc2154b544cf9afc2a4edc69e6e1a, protonmail-verification=3c0ebf00f536755b...`
SOA	1	`duke.ns.cloudflare.com dns.cloudflare.co`

Analysis

Name Servers

DNS delegation for zerocool.dev points to two name servers: duke.ns.cloudflare.com and zara.ns.cloudflare.com.

zerocool.dev shares its NS records with other domains, for example isa-vision.com, appartea.net, tubetogether.de and two others.

At least some of zerocool.dev's name servers are shared with other domains, for example reni-5h5.pages.dev, snapforsx.cyou, xiangxiang-shen.com and two more.

DNS names with 6 IP addresses:

duke.ns.cloudflare.com has IP addresses 108.162.193.110, 172.64.33.110 and 173.245.59.110, plus 3 other.

zara.ns.cloudflare.com has IP addresses 108.162.192.148, 172.64.32.148 and 173.245.58.148, plus 3 other.

Mail Servers

zerocool.dev is served by two mail servers, mail.protonmail.ch and mailsec.protonmail.ch.

Among the domains sharing a mail server setup with zerocool.dev are sxipher.com, yumeku.com, preiclaims.com and two others.

There is at least a partial MX overlap between zerocool.dev and other domains, including hellquist.se, starsight.net, rhinoblitz.com and two others.

The hosts mail.protonmail.ch and mailsec.protonmail.ch both resolve to three IP numbers: mail.protonmail.ch to 176.119.200.128, 185.70.42.128 and 185.205.70.128, and mailsec.protonmail.ch to 176.119.200.129, 185.70.42.129 and 185.205.70.129.

zerocool.dev - robtex.com

zerocool.dev

dev