4byte.dev - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`4byte.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3037::6815:cf9^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:c4c8^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.12.249^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.196.200^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`isaac.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3bb1^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`isaac.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1b1^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`isaac.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21b1^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`isaac.ns.cloudflare.com`
		A	108.162.193.177^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`isaac.ns.cloudflare.com`
		A	172.64.33.177^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`isaac.ns.cloudflare.com`
		A	173.245.59.177^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`isaac.ns.cloudflare.com`
NS	`ulla.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ae9^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ulla.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0e9^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ulla.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20e9^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ulla.ns.cloudflare.com`
		A	108.162.192.233^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ulla.ns.cloudflare.com`
		A	172.64.32.233^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ulla.ns.cloudflare.com`
		A	173.245.58.233^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ulla.ns.cloudflare.com`
MX	`route3.mx.cloudflare.net` ⭐
		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	`route1.mx.cloudflare.net`⁽⁴⁵⁾
		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	`route2.mx.cloudflare.net`⁽⁷¹⁾
		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	`google-site-verification=SaxBjZhOiMFAajWnmJWw_zgn1GtewghD8pcM6GACirw`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.12.249, 172.67.196.200
		IPv6 hints	2606:4700:3037::6815:cf9, 2606:4700:3037::ac43:c4c8
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=123, name=cloudflare-ech.com
SOA	`isaac.ns.cloudflare.com`dns@cloudflare.com serial=2413331356

`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

4byte.de

4byte.com

4byte.net

4byte.dev

4byte.pages.dev

4byte.cn

4byte.directory

4byte.tech

4byte.agency

4byte.com.br

4byte.xyz

Similar names

4bety.workers.dev

byte4.net

4ebyt.com

byte4.cfd

bety4.vip

byte4.cn

4tybe.com

4bety.com

byte4.com

byte4.de

4ybet.com

byte4.store

bet4y.com

Previous names

48mon.dev

48px.dev

48x.dev

49999.dev

49ehyeon42.dev

4a43.dev

4ag.dev

4all.dev

4apps.dev

4ascend.dev

4b677a73.dev

4based.dev

4bash.dev

4bes.dev

4betterdevices.dev

4bhi.dev

4bir.dev

4bit.dev

4bowl.dev

4business.dev

Next names

4c16.dev

4c1d8urn.dev

4c8b2e5.dev

4ce.dev

4closure.dev

4cn.dev

4code.dev

4connect.dev

4da.dev

4dapps.dev

4demo.dev

4den0ma.dev

4dgs.dev

4dmind.dev

4dmu.dev

4dos.dev

4dot.dev

4dreamers.dev

4each.dev

DNS History

13 records (9 active, 4 former)

●NSisaac.ns.cloudflare.com2026-08-30 → 2026-09-05 · 2 obs

● 2026-08-30 22:21:12
● 2026-09-05 09:02:38

●NSulla.ns.cloudflare.com2026-08-30 → 2026-09-05 · 2 obs

● 2026-08-30 22:21:12
● 2026-09-05 09:02:38

●MXroute1.mx.cloudflare.net2026-08-30 → 2026-09-05 · 2 obs

● 2026-08-30 22:21:12
● 2026-09-05 09:02:38

●MXroute2.mx.cloudflare.net2026-08-30 → 2026-09-05 · 2 obs

● 2026-08-30 22:21:12
● 2026-09-05 09:02:38

●MXroute3.mx.cloudflare.net2026-08-30 → 2026-09-05 · 2 obs

● 2026-08-30 22:21:12
● 2026-09-05 09:02:38

●A104.21.12.2492026-08-31 → 2026-09-05 · 3 obs

○ 2026-08-30 22:21:12
● 2026-08-31 02:32:46
● 2026-09-05 09:02:38

●A172.67.196.2002026-08-31 → 2026-09-05 · 3 obs

○ 2026-08-30 22:21:12
● 2026-08-31 02:32:46
● 2026-09-05 09:02:38

○A188.114.96.02026-08-30 → 2026-08-30 · 3 obs

● 2026-08-30 22:21:12
○ 2026-08-31 02:32:46
○ 2026-09-05 09:02:38

○A188.114.97.02026-08-30 → 2026-08-30 · 3 obs

● 2026-08-30 22:21:12
○ 2026-08-31 02:32:46
○ 2026-09-05 09:02:38

●A2606:4700:3037::6815:cf92026-08-31 → 2026-09-05 · 3 obs

○ 2026-08-30 22:21:12
● 2026-08-31 02:32:46
● 2026-09-05 09:02:38

●A2606:4700:3037::ac43:c4c82026-08-31 → 2026-09-05 · 3 obs

○ 2026-08-30 22:21:12
● 2026-08-31 02:32:46
● 2026-09-05 09:02:38

○A2a06:98c1:3120::2026-08-30 → 2026-08-30 · 3 obs

● 2026-08-30 22:21:12
○ 2026-08-31 02:32:46
○ 2026-09-05 09:02:38

○A2a06:98c1:3121::2026-08-30 → 2026-08-30 · 3 obs

● 2026-08-30 22:21:12
○ 2026-08-31 02:32:46
○ 2026-09-05 09:02:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld2.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com...	-
4byte.dev	isaac.ns.cloudflare.com, ulla.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.58.233

NS records: isaac.ns.cloudflare.com, ulla.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 4byte.dev (unsigned zone)

⏱️ Timing

Total: 3121ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.196.200, 104.21.12.249`
AAAA	2	`2606:4700:3037::ac43:c4c8, 2606:4700:3037::6815:cf9`
NS	2	`isaac.ns.cloudflare.com, ulla.ns.cloudflare.com`
MX	3	`route3.mx.cloudflare.net (pri: 14), route1.mx.cloudflare.net (pri: 45)...`
TXT	2	`google-site-verification=SaxBjZhOiMFAajW, v=spf1 include:_spf.mx.cloudflare.net ~a`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`isaac.ns.cloudflare.com dns.cloudflare.c`

Analysis

IP Addresses

4byte.dev directs to four IP numbers, which are 104.21.12.249, 172.67.196.200, 2606:4700:3037::6815:cf9 and 2606:4700:3037::ac43:c4c8.

Two other host names, along with jakartaqmznprl.com, glendaleheaterrepair.us and www.create-abilities.com, also share IP numbers with 4byte.dev.

Name Servers

Two name servers handle the delegation for 4byte.dev: isaac.ns.cloudflare.com and ulla.ns.cloudflare.com.

4byte.dev shares its NS records with other domains, for example fitlog001.pages.dev, highincomejob762.pages.dev, tokyonline.com and two others.

At least some of 4byte.dev's name servers are shared with other domains, for example fortunegemss.site, ricwin.pw, pcommerce.workers.dev and two more.

These name servers tend to be used in conjunction with the name servers clay.ns.cloudflare.com.

DNS names with 6 IP addresses:

isaac.ns.cloudflare.com resolves to 108.162.193.177, 172.64.33.177 and 173.245.59.177 among others, with 3 other IP addresses in total.

ulla.ns.cloudflare.com resolves to 108.162.192.233, 172.64.32.233 and 173.245.58.233 among others, with 3 other IP addresses in total.

Mail Servers

The MX records for 4byte.dev list three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

There is at least a partial MX overlap between 4byte.dev and other domains, including berlette.com, mysurveyagent.us, sannabea.ca and two others.

DNS names with 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.