`0xnull.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:42db^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:a4b1^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.66.219^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.164.177^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`rudy.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3be5^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rudy.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1e5^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`rudy.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21e5^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`rudy.ns.cloudflare.com`
		A	108.162.193.229^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rudy.ns.cloudflare.com`
		A	172.64.33.229^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rudy.ns.cloudflare.com`
		A	173.245.59.229^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rudy.ns.cloudflare.com`
NS	`wren.ns.cloudflare.com`
		A	2606:4700:50::a29f:268d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`wren.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c28d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`wren.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:228d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`wren.ns.cloudflare.com`
		A	108.162.194.141^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`wren.ns.cloudflare.com`
		A	162.159.38.141^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`wren.ns.cloudflare.com`
		A	172.64.34.141^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`wren.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	`route2.mx.cloudflare.net`⁽²⁷⁾
		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`
MX	`route1.mx.cloudflare.net`⁽³¹⁾
		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`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.66.219, 172.67.164.177
		IPv6 hints	2606:4700:3030::6815:42db, 2606:4700:3033::ac43:a4b1
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=186, name=cloudflare-ech.com
SOA	`rudy.ns.cloudflare.com`dns@cloudflare.com serial=2402250605

`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

0xnull.dev

0xnull.de

0xnull.com

DNS History

9 records (9 active, 0 former)

●NSrudy.ns.cloudflare.com2026-04-17 → 2026-04-25 · 2 obs

● 2026-04-17 15:16:02
● 2026-04-25 09:04:08

●NSwren.ns.cloudflare.com2026-04-17 → 2026-04-25 · 2 obs

● 2026-04-17 15:16:02
● 2026-04-25 09:04:08

●MXroute1.mx.cloudflare.net2026-04-17 → 2026-04-25 · 2 obs

● 2026-04-17 15:16:02
● 2026-04-25 09:04:08

●MXroute2.mx.cloudflare.net2026-04-17 → 2026-04-25 · 2 obs

● 2026-04-17 15:16:02
● 2026-04-25 09:04:08

●MXroute3.mx.cloudflare.net2026-04-17 → 2026-04-25 · 2 obs

● 2026-04-17 15:16:02
● 2026-04-25 09:04:08

●A104.21.66.2192026-04-17 → 2026-04-25 · 2 obs

● 2026-04-17 15:16:02
● 2026-04-25 09:04:08

●A172.67.164.1772026-04-17 → 2026-04-25 · 2 obs

● 2026-04-17 15:16:02
● 2026-04-25 09:04:08

●A2606:4700:3030::6815:42db2026-04-17 → 2026-04-25 · 2 obs

● 2026-04-17 15:16:02
● 2026-04-25 09:04:08

●A2606:4700:3033::ac43:a4b12026-04-17 → 2026-04-25 · 2 obs

● 2026-04-17 15:16:02
● 2026-04-25 09:04:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld2.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com...	-
0xnull.dev	wren.ns.cloudflare.com, rudy.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.38.141

NS records: wren.ns.cloudflare.com, rudy.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 0xnull.dev (unsigned zone)

⏱️ Timing

Total: 1082ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.66.219, 172.67.164.177`
AAAA	2	`2606:4700:3033::ac43:a4b1, 2606:4700:3030::6815:42db`
NS	2	`rudy.ns.cloudflare.com, wren.ns.cloudflare.com`
MX	3	`route3.mx.cloudflare.net (pri: 2), route2.mx.cloudflare.net (pri: 27)...`
TXT	1	`v=spf1 include:_spf.mx.cloudflare.net ~a`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`rudy.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

0xnull.dev points to four IP numbers: 2606:4700:3030::6815:42db, 2606:4700:3033::ac43:a4b1, 104.21.66.219 and 172.67.164.177.

Other host names, for instance amitex.net, reyting.az, www.algerianembassy.com.tr, ns2.arpaservice.com and www.aurorawave.info share IP numbers with 0xnull.dev.

Name Servers

0xnull.dev's delegation is to two name servers rudy.ns.cloudflare.com and wren.ns.cloudflare.com.

0xnull.dev shares the same name server configuration as other domains, such as stackingdao.net, stocktakesonline.com, stackdao.org, myaat.com and gravyatx.com.

0xnull.dev at least partially shares its name servers with other domains, for instance mekia.net, hide-proxy.cn, deubiquitinaseinhibitor.com, iillk.com and snapmailbox.com.

These name servers are commonly used alongside nova.ns.cloudflare.com and nancy.ns.cloudflare.com.

Host names with six IP numbers:

rudy.ns.cloudflare.com points to: 2606:4700:58::adf5:3be5, 2803:f800:50::6ca2:c1e5, 2a06:98c1:50::ac40:21e5, 108.162.193.229, 172.64.33.229 and 173.245.59.229.

wren.ns.cloudflare.com points to: 2606:4700:50::a29f:268d, 2803:f800:50::6ca2:c28d, 2a06:98c1:50::ac40:228d, 108.162.194.141, 162.159.38.141 and 172.64.34.141.

Mail Servers

0xnull.dev is handled by three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

0xnull.dev shares some mail servers with other domains, including sepwear.com, cozyshackzz.com, suthorofashions.com, le-bilan-carbone.fr and joserodriguez.cl.

Host names with six IP numbers:

route1.mx.cloudflare.net has IPs 2606:4700:f5::b, 2606:4700:f5::c, 2606:4700:f5::d, 162.159.205.11, 162.159.205.12 and 162.159.205.13.

route2.mx.cloudflare.net has IPs 2606:4700:f5::e, 2606:4700:f5::f, 2606:4700:f5::10, 162.159.205.17, 162.159.205.18 and 162.159.205.19.

route3.mx.cloudflare.net has IPs 2606:4700:f5::11, 2606:4700:f5::12, 2606:4700:f5::13, 162.159.205.23, 162.159.205.24 and 162.159.205.25.

0xnull.dev - robtex.com

0xnull.dev

dev

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`0xnull.dev`

`dev`