🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`tierzero.dev`

DNSSEC	⚠️ Not signed
A	136.244.94.206^{🇩🇪 AS-VULTR136.244.80.0/20 Vultr Assigned Prefix}
		PTR	`136.244.94.206.vultrusercontent.com`
NS	`cass.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a51^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cass.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c051^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`cass.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2051^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`cass.ns.cloudflare.com`
		A	108.162.192.81^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cass.ns.cloudflare.com`
		A	172.64.32.81^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cass.ns.cloudflare.com`
		A	173.245.58.81^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cass.ns.cloudflare.com`
NS	`robert.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c8c^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`robert.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c38c^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`robert.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:238c^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`robert.ns.cloudflare.com`
		A	108.162.195.140^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`robert.ns.cloudflare.com`
		A	162.159.44.140^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`robert.ns.cloudflare.com`
		A	172.64.35.140^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`robert.ns.cloudflare.com`
MX	`route1.mx.cloudflare.net` ⭐
		A	2606:4700:f5::b^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::c^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::d^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.11^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.12^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.13^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
MX	`route3.mx.cloudflare.net`⁽⁹⁾
		A	2606:4700:f5::11^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::12^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::13^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.23^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.24^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.25^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
MX	`route2.mx.cloudflare.net`⁽³⁴⁾
		A	2606:4700:f5::e^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::f^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::10^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.17^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.18^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.19^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
SOA	`cass.ns.cloudflare.com`dns@cloudflare.com serial=2411193021

`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

tierzero.net

tierzero.dev

tierzero.ca

tierzero.ai

tierzero.workers.dev

tierzero.com

tierzero.co

Similar names

Previous names

tidridge.dev

tids.dev

tidspor.dev

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tiein.dev

tiempo.dev

tien.dev

tienban.dev

tiencheng.dev

tiendasmil.dev

tienganh.dev

tienlv.dev

tiennguyen.dev

tienpd.dev

tientm.dev

tier0.dev

tier8.dev

tierarztportal.dev

tierforge.dev

tiering.dev

Next names

tiesmaster.dev

tieulamtv.dev

tiexo.dev

tiez.dev

tifa.dev

tiferet.dev

tifo.dev

tig.dev

tigapilarmandiri.dev

tigase.dev

tigc-test.dev

tigc.dev

tigersandtacos.dev

tigerstudy.dev

tigery.dev

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tiggnet.dev

tightloops.dev

tigl.dev

DNS History

6 records (6 active, 0 former)

●NScass.ns.cloudflare.com2026-08-21 → 2026-08-24 · 2 obs

● 2026-08-21 11:24:58
● 2026-08-24 04:16:06

●NSrobert.ns.cloudflare.com2026-08-21 → 2026-08-24 · 2 obs

● 2026-08-21 11:24:58
● 2026-08-24 04:16:06

●MXroute1.mx.cloudflare.net2026-08-21 → 2026-08-24 · 2 obs

● 2026-08-21 11:24:58
● 2026-08-24 04:16:06

●MXroute2.mx.cloudflare.net2026-08-21 → 2026-08-24 · 2 obs

● 2026-08-21 11:24:58
● 2026-08-24 04:16:06

●MXroute3.mx.cloudflare.net2026-08-21 → 2026-08-24 · 2 obs

● 2026-08-21 11:24:58
● 2026-08-24 04:16:06

●A136.244.94.2062026-08-21 → 2026-08-24 · 2 obs

● 2026-08-21 11:24:58
● 2026-08-24 04:16:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld3.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...	10 records
tierzero.dev	cass.ns.cloudflare.com, robert.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.32.81

NS records: cass.ns.cloudflare.com, robert.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tierzero.dev (unsigned zone)

⏱️ Timing

Total: 576ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`136.244.94.206`
NS	2	`cass.ns.cloudflare.com, robert.ns.cloudflare.com`
MX	3	`route2.mx.cloudflare.net (pri: 34), route1.mx.cloudflare.net (pri: 4)...`
TXT	1	`v=spf1 include:_spf.mx.cloudflare.net ~a`
SOA	1	`cass.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 10

Out-of-bailiwick: 10 (ns-tld5.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com...)

Analysis

IP Addresses

tierzero.dev resolves to one IP address: 136.244.94.206.

Host names like codex.ie.uz are further examples that share IP numbers with tierzero.dev.

Name Servers

Two name servers handle the delegation for tierzero.dev: cass.ns.cloudflare.com and robert.ns.cloudflare.com.

tierzero.dev uses the same name servers as several other domains — among them klq21.workers.dev, ash851025.com, luupu.com and two more.

The name servers of tierzero.dev overlap at least partially with those of other domains — among them mydevapp.space, conseils-gaming.fr, hanlim.world and two more.

These name servers commonly appear alongside the name servers chloe.ns.cloudflare.com and aragorn.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

cass.ns.cloudflare.com resolves to 108.162.192.81, 172.64.32.81 and 173.245.58.81 among others, with 3 other IP addresses in total.

robert.ns.cloudflare.com resolves to 108.162.195.140, 162.159.44.140 and 172.64.35.140 among others, with 3 other IP addresses in total.

Mail Servers

Mail for tierzero.dev is routed through three mail servers — route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

tierzero.dev has at least partial mail server overlap with other domains such as tabrizres.ir, tantaluscoins.com, unchatgpt.co and two more.

Hostnames that resolve to 6 IP addresses:

route1.mx.cloudflare.net resolves to 162.159.205.11, 162.159.205.12 and 162.159.205.13 among others, with 3 other IP addresses in total.

route2.mx.cloudflare.net resolves to 162.159.205.17, 162.159.205.18 and 162.159.205.19 among others, with 3 other IP addresses in total.

route3.mx.cloudflare.net resolves to 162.159.205.23, 162.159.205.24 and 162.159.205.25 among others, with 3 other IP addresses in total.

tierzero.dev - robtex.com

tierzero.dev

dev

Same first word

Similar names

Previous names

Next names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`tierzero.dev`

`dev`