🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`dev-null.app`

DNSSEC	⚠️ Not signed
NS	`cullen.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c5b^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cullen.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c35b^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`cullen.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:235b^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`cullen.ns.cloudflare.com`
		A	108.162.195.91^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cullen.ns.cloudflare.com`
		A	162.159.44.91^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cullen.ns.cloudflare.com`
		A	172.64.35.91^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cullen.ns.cloudflare.com`
NS	`margot.ns.cloudflare.com`
		A	2606:4700:50::a29f:26a7^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`margot.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2a7^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`margot.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22a7^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`margot.ns.cloudflare.com`
		A	108.162.194.167^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`margot.ns.cloudflare.com`
		A	162.159.38.167^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`margot.ns.cloudflare.com`
		A	172.64.34.167^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`margot.ns.cloudflare.com`
SOA	`cullen.ns.cloudflare.com`dns@cloudflare.com serial=2412533354

`app`

	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=101427

🔒 HSTS Preload (+subdomains)

Same first word

dev-null.es

dev-null.uk

dev-null.workers.dev

dev-null.pl

dev-null.casa

dev-null.it

dev-null.info

dev-null.eu

dev-null.top

dev-null.org

dev-null.one

dev-null.net

dev-null.biz

dev-null.ca

dev-null.app

dev-null.lol

dev-null.vercel.app

dev-null.win

dev-null.cz

dev-null.rocks

dev-null.ml

dev-null.dk

dev-null.se

dev-null.no

dev-null.io

dev-null.space

dev-null.be

dev-null.me

dev-null.com

dev-null.fr

dev-null.li

dev-null.gr

dev-null.ru

dev-null.de

dev-null.co.uk

dev-null.online

dev-null.tech

dev-null.site

dev-null.at

dev-null.nl

Similar names

null-dev.org

null-dev.com

null-dev.net

Previous names

Next names

DNS History

2 records (2 active, 0 former)

●NScullen.ns.cloudflare.com2026-08-28 → 2026-09-03 · 2 obs

● 2026-08-28 12:40:38
● 2026-09-03 17:27:08

●NSmargot.ns.cloudflare.com2026-08-28 → 2026-09-03 · 2 obs

● 2026-08-28 12:40:38
● 2026-09-03 17:27:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
app	ns-tld5.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com...	-
dev-null.app	margot.ns.cloudflare.com, cullen.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.44.91

NS records: margot.ns.cloudflare.com, cullen.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dev-null.app (unsigned zone)

⏱️ Timing

Total: 1436ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`cullen.ns.cloudflare.com, margot.ns.cloudflare.com`
SOA	1	`cullen.ns.cloudflare.com dns.cloudflare.`

Analysis

Name Servers

dev-null.app uses two name servers for its delegation: cullen.ns.cloudflare.com and margot.ns.cloudflare.com.

dev-null.app shares its NS records with other domains, for example jordanharp.com, rough-dust-614e.workers.dev, maherzaingutt311.workers.dev and two others.

The name servers of dev-null.app overlap at least partially with those of other domains — among them passosaba.com.br, urban.ag, consultantinfonuagique-www.pages.dev and two more.

These name servers commonly appear alongside the name servers theo.ns.cloudflare.com and hal.ns.cloudflare.com.

DNS names with 6 IP addresses:

Hostname cullen.ns.cloudflare.com directs to 108.162.195.91, 162.159.44.91 and 172.64.35.91 along with 3 other IP addresses.

Hostname margot.ns.cloudflare.com directs to 108.162.194.167, 162.159.38.167 and 172.64.34.167 along with 3 other IP addresses.

dev-null.app - robtex.com

dev-null.app

app