🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`not404.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:1fb4^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::ac43:b2f2^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.31.180^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.178.242^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`ara.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a43^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ara.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c043^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ara.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2043^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ara.ns.cloudflare.com`
		A	108.162.192.67^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ara.ns.cloudflare.com`
		A	172.64.32.67^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ara.ns.cloudflare.com`
		A	173.245.58.67^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ara.ns.cloudflare.com`
NS	`nicolas.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c54^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nicolas.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c354^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`nicolas.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2354^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`nicolas.ns.cloudflare.com`
		A	108.162.195.84^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nicolas.ns.cloudflare.com`
		A	162.159.44.84^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nicolas.ns.cloudflare.com`
		A	172.64.35.84^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nicolas.ns.cloudflare.com`
MX	`mx2.zoho.com` ⭐
		A	136.143.191.44^{🇺🇸 ZohoAS136.143.190.0/23 Zoho Corporation}
			PTR	`mx2.zoho.com`
			PTR	`mx3.zoho.com`
			PTR	`mx.zoho.com`
			PTR	`mx2.zohomail.com`
			PTR	`mx3.zohomail.com`
			PTR	`mx.zohomail.com`
MX	`mx3.zoho.com`⁽²⁰⁾
		A	136.143.191.44^{🇺🇸 ZohoAS136.143.190.0/23 Zoho Corporation}
			PTR	`mx2.zoho.com`
			PTR	`mx3.zoho.com`
			PTR	`mx.zoho.com`
			PTR	`mx2.zohomail.com`
			PTR	`mx3.zohomail.com`
			PTR	`mx.zohomail.com`
MX	`mx.zoho.com`⁽⁵⁰⁾
		A	136.143.191.44^{🇺🇸 ZohoAS136.143.190.0/23 Zoho Corporation}
			PTR	`mx2.zoho.com`
			PTR	`mx3.zoho.com`
			PTR	`mx.zoho.com`
			PTR	`mx2.zohomail.com`
			PTR	`mx3.zohomail.com`
			PTR	`mx.zohomail.com`
TXT	`v=spf1 include:zohomail.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.31.180, 172.67.178.242
		IPv6 hints	2606:4700:3033::6815:1fb4, 2606:4700:3034::ac43:b2f2
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=146, name=cloudflare-ech.com
SOA	`ara.ns.cloudflare.com`dns@cloudflare.com serial=2417956487

`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

not404.ai

not404.es

not404.workers.dev

not404.de

not404.dev

not404.net

not404.it

not404.com

not404.pl

not404.uk

Similar names

404not.com

ton404.pro

404not.xyz

404not.icu

4not40.com

40not4.com

404not.fun

Previous names

Next names

DNS History

17 records (9 active, 8 former)

●NSara.ns.cloudflare.com2026-09-15 → 2026-10-21 · 2 obs

● 2026-09-15 16:23:58
● 2026-10-21 06:47:40

●NSnicolas.ns.cloudflare.com2026-09-15 → 2026-10-21 · 2 obs

● 2026-09-15 16:23:58
● 2026-10-21 06:47:40

●MXmx.zoho.com2026-09-15 → 2026-10-21 · 2 obs

● 2026-09-15 16:23:58
● 2026-10-21 06:47:40

●MXmx2.zoho.com2026-09-15 → 2026-10-21 · 2 obs

● 2026-09-15 16:23:58
● 2026-10-21 06:47:40

●MXmx3.zoho.com2026-09-15 → 2026-10-21 · 2 obs

● 2026-09-15 16:23:58
● 2026-10-21 06:47:40

●A104.21.31.1802026-10-11 → 2026-10-21 · 3 obs

○ 2026-10-07 06:45:08
● 2026-10-11 11:51:36
● 2026-10-21 06:47:40

●A172.67.178.2422026-10-11 → 2026-10-21 · 3 obs

○ 2026-10-07 06:45:08
● 2026-10-11 11:51:36
● 2026-10-21 06:47:40

○A188.114.96.02026-10-07 → 2026-10-07 · 4 obs

○ 2026-09-15 16:23:58
● 2026-10-07 06:45:08
○ 2026-10-11 11:51:36
○ 2026-10-21 06:47:40

○A188.114.96.42026-09-15 → 2026-09-15 · 3 obs

● 2026-09-15 16:23:58
○ 2026-10-07 06:45:08
○ 2026-10-21 06:47:40

○A188.114.97.02026-10-07 → 2026-10-07 · 4 obs

○ 2026-09-15 16:23:58
● 2026-10-07 06:45:08
○ 2026-10-11 11:51:36
○ 2026-10-21 06:47:40

○A188.114.97.42026-09-15 → 2026-09-15 · 3 obs

● 2026-09-15 16:23:58
○ 2026-10-07 06:45:08
○ 2026-10-21 06:47:40

●A2606:4700:3033::6815:1fb42026-10-11 → 2026-10-21 · 3 obs

○ 2026-10-07 06:45:08
● 2026-10-11 11:51:36
● 2026-10-21 06:47:40

●A2606:4700:3034::ac43:b2f22026-10-11 → 2026-10-21 · 3 obs

○ 2026-10-07 06:45:08
● 2026-10-11 11:51:36
● 2026-10-21 06:47:40

○A2a06:98c1:3120::2026-10-07 → 2026-10-07 · 4 obs

○ 2026-09-15 16:23:58
● 2026-10-07 06:45:08
○ 2026-10-11 11:51:36
○ 2026-10-21 06:47:40

○A2a06:98c1:3120::42026-09-15 → 2026-09-15 · 3 obs

● 2026-09-15 16:23:58
○ 2026-10-07 06:45:08
○ 2026-10-21 06:47:40

○A2a06:98c1:3121::2026-10-07 → 2026-10-07 · 4 obs

○ 2026-09-15 16:23:58
● 2026-10-07 06:45:08
○ 2026-10-11 11:51:36
○ 2026-10-21 06:47:40

○A2a06:98c1:3121::42026-09-15 → 2026-09-15 · 3 obs

● 2026-09-15 16:23:58
○ 2026-10-07 06:45:08
○ 2026-10-21 06:47:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...	10 records
not404.dev	nicolas.ns.cloudflare.com, ara.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.195.84

NS records: nicolas.ns.cloudflare.com, ara.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for not404.dev (unsigned zone)

⏱️ Timing

Total: 2015ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.31.180, 172.67.178.242`
AAAA	2	`2606:4700:3033::6815:1fb4, 2606:4700:3034::ac43:b2f2`
NS	2	`ara.ns.cloudflare.com, nicolas.ns.cloudflare.com`
MX	3	`mx.zoho.com (pri: 10), mx2.zoho.com (pri: 20)...`
TXT	1	`v=spf1 include:zohomail.com ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`ara.ns.cloudflare.com dns.cloudflare.com`

📌 Glue Records Collected

Total: 10

Out-of-bailiwick: 10 (ns-tld1.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com...)

Analysis

IP Addresses

not404.dev has four IP addresses: 104.21.31.180, 172.67.178.242, 2606:4700:3033::6815:1fb4 and 2606:4700:3034::ac43:b2f2.

Additional host names — zeus99.co, 77ryi.com, ftestdom13.world and two others — share IP numbers with not404.dev.

Name Servers

not404.dev has two authoritative name servers — ara.ns.cloudflare.com and nicolas.ns.cloudflare.com.

not404.dev shares its name server setup with other domains, including festivalnauknijebauk.edu.rs, j507969.pages.dev, b-p-d.ru and two others.

not404.dev has at least partial name server overlap with other domains, such as lumivianed.pro, netstable.info, ts289b2.com and two others.

It is common to find these name servers paired with the name servers mark.ns.cloudflare.com.

Host names with 6 IP numbers:

ara.ns.cloudflare.com points to 108.162.192.67, 172.64.32.67, 173.245.58.67 and 3 other IP addresses.

nicolas.ns.cloudflare.com points to 108.162.195.84, 162.159.44.84, 172.64.35.84 and 3 other IP addresses.

Mail Servers

not404.dev has three mail servers: mx2.zoho.com, mx3.zoho.com and mx.zoho.com.

not404.dev shares mail servers — at least in part — with other domains, including bold.eu.org, ashevillefurniturerepair.com, mikestuzzi.com and two others.

mx2.zoho.com, mx3.zoho.com and mx.zoho.com all point to the same IP address — 136.143.191.44.

mx2.zoho.com, mx3.zoho.com and mx.zoho.com are host names that all point to 136.143.191.44.

not404.dev - robtex.com

not404.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

`not404.dev`

`dev`