`nullability.net`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:acac^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3032::6815:2fd3^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.47.211^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.172.172^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`byron.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c43^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`byron.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c343^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`byron.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2343^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`byron.ns.cloudflare.com`
		A	108.162.195.67^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`byron.ns.cloudflare.com`
		A	162.159.44.67^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`byron.ns.cloudflare.com`
		A	172.64.35.67^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`byron.ns.cloudflare.com`
NS	`macy.ns.cloudflare.com`
		A	2606:4700:50::a29f:264e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`macy.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c24e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`macy.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:224e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`macy.ns.cloudflare.com`
		A	108.162.194.78^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`macy.ns.cloudflare.com`
		A	162.159.38.78^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`macy.ns.cloudflare.com`
		A	172.64.34.78^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`macy.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`⁽²⁴⁾
		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`⁽⁶¹⁾
		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	104.21.47.211, 172.67.172.172
		IPv6 hints	2606:4700:3031::ac43:acac, 2606:4700:3032::6815:2fd3
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=44, name=cloudflare-ech.com
SOA	`byron.ns.cloudflare.com`dns@cloudflare.com serial=2400354471

`net`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1778445596

Same first word

nullability.com

nullability.net

DNS History

9 records (9 active, 0 former)

●NSbyron.ns.cloudflare.com2026-04-14 → 2026-05-10 · 2 obs

● 2026-04-14 02:04:44
● 2026-05-10 20:43:04

●NSmacy.ns.cloudflare.com2026-04-14 → 2026-05-10 · 2 obs

● 2026-04-14 02:04:44
● 2026-05-10 20:43:04

●MXroute1.mx.cloudflare.net2026-04-14 → 2026-05-10 · 2 obs

● 2026-04-14 02:04:44
● 2026-05-10 20:43:04

●MXroute2.mx.cloudflare.net2026-04-14 → 2026-05-10 · 2 obs

● 2026-04-14 02:04:44
● 2026-05-10 20:43:04

●MXroute3.mx.cloudflare.net2026-04-14 → 2026-05-10 · 2 obs

● 2026-04-14 02:04:44
● 2026-05-10 20:43:04

●A104.21.47.2112026-04-14 → 2026-05-10 · 2 obs

● 2026-04-14 02:04:44
● 2026-05-10 20:43:04

●A172.67.172.1722026-04-14 → 2026-05-10 · 2 obs

● 2026-04-14 02:04:44
● 2026-05-10 20:43:04

●A2606:4700:3031::ac43:acac2026-04-14 → 2026-05-10 · 2 obs

● 2026-04-14 02:04:44
● 2026-05-10 20:43:04

●A2606:4700:3032::6815:2fd32026-04-14 → 2026-05-10 · 2 obs

● 2026-04-14 02:04:44
● 2026-05-10 20:43:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	g.gtld-servers.net, i.gtld-servers.net, l.gtld-servers.net, k.gtld-servers.net...	-
nullability.net	macy.ns.cloudflare.com, byron.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.38.78

NS records: macy.ns.cloudflare.com, byron.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for nullability.net (unsigned zone)

⏱️ Timing

Total: 586ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.172.172, 104.21.47.211`
AAAA	2	`2606:4700:3032::6815:2fd3, 2606:4700:3031::ac43:acac`
NS	2	`byron.ns.cloudflare.com, macy.ns.cloudflare.com`
MX	3	`route2.mx.cloudflare.net (pri: 24), route1.mx.cloudflare.net (pri: 61)...`
TXT	1	`v=spf1 include:_spf.mx.cloudflare.net ~a`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`byron.ns.cloudflare.com dns.cloudflare.c`

Analysis

IP Addresses

nullability.net resolves to four IPs: 2606:4700:3031::ac43:acac, 2606:4700:3032::6815:2fd3, 104.21.47.211 and 172.67.172.172.

Other host names, for instance envoyproductions.org, plan(0x736578)enaltenis.com, maletas-industriales.com, thinkgeelong.com and king-billycasino.top share IP numbers with nullability.net.

Name Servers

nullability.net has two name servers: byron.ns.cloudflare.com and macy.ns.cloudflare.com.

nullability.net uses the same name server setup as other domains, such as twinmail.com, bitlegal.net and sroy.me.

nullability.net shares some name servers with other domains, for example bettawithettarealtor.com, neustanlo.de, modernpalacespace.com, solsticeglobal.com and sipbroker.com.

These name servers are often used together with amy.ns.cloudflare.com, mike.ns.cloudflare.com and sage.ns.cloudflare.com.

Host names with six IP numbers: byron.ns.cloudflare.com points to: 2606:4700:58::a29f:2c43, 2803:f800:50::6ca2:c343, 2a06:98c1:50::ac40:2343, 108.162.195.67, 162.159.44.67 and 172.64.35.67; macy.ns.cloudflare.com points to: 2606:4700:50::a29f:264e, 2803:f800:50::6ca2:c24e, 2a06:98c1:50::ac40:224e, 108.162.194.78, 162.159.38.78 and 172.64.34.78.

Mail Servers

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

nullability.net shares some mail servers with other domains, at least partially; for instance janp.es, bodrumpazar.com, vgosty.com.ua, doxie.org and duygun.com.

Host names with six IP numbers:

route1.mx.cloudflare.net points to 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 points to 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 points to 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

nullability.net - robtex.com

nullability.net

net

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`nullability.net`

`net`