🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`nullreference.dev`

DNSSEC	⚠️ Not signed
A	165.22.22.152^{🇩🇪 DIGITALOCEAN165.22.16.0/20 DigitalOcean}
NS	`ns1.digitalocean.com` ⭐
		A	2606:4700:52::ac40:34d2^{🇺🇸 Cloudflare2606:4700:52::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns1.digitalocean.com`
		A	172.64.52.210^{🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns1.digitalocean.com`
NS	`ns2.digitalocean.com`
		A	2606:4700:5a::ac40:3515^{🇺🇸 Cloudflare2606:4700:5a::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns2.digitalocean.com`
		A	172.64.53.21^{🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns2.digitalocean.com`
NS	`ns3.digitalocean.com`
		A	2606:4700:52::ac40:31d1^{🇺🇸 Cloudflare2606:4700:52::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns3.digitalocean.com`
		A	172.64.49.209^{🇺🇸 Cloudflare172.64.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns3.digitalocean.com`
SOA	`ns1.digitalocean.com`hostmaster@nullreference.dev serial=0

`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

nullreference.nl

nullreference.net

nullreference.io

nullreference.org

nullreference.com

nullreference.dev

Previous names

Next names

DNS History

4 records (4 active, 0 former)

●NSns1.digitalocean.com2026-09-01 → 2026-09-01 · 2 obs

● 2026-09-01 16:29:58
● 2026-09-01 19:01:24

●NSns2.digitalocean.com2026-09-01 → 2026-09-01 · 2 obs

● 2026-09-01 16:29:58
● 2026-09-01 19:01:24

●NSns3.digitalocean.com2026-09-01 → 2026-09-01 · 2 obs

● 2026-09-01 16:29:58
● 2026-09-01 19:01:24

●A165.22.22.1522026-09-01 → 2026-09-01 · 2 obs

● 2026-09-01 16:29:58
● 2026-09-01 19:01:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...	-
nullreference.dev	ns2.digitalocean.com, ns3.digitalocean.com, ns1.digitalocean.com	-

✅ Authoritative Response

Server:172.64.49.209

NS records: ns2.digitalocean.com, ns3.digitalocean.com, ns1.digitalocean.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for nullreference.dev (unsigned zone)

⏱️ Timing

Total: 505ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`165.22.22.152`
NS	3	`ns2.digitalocean.com, ns3.digitalocean.com...`
SOA	1	`ns1.digitalocean.com hostmaster.nullrefe`

Analysis

IP Addresses

nullreference.dev points to a single IP number: 165.22.22.152.

Name Servers

Three name servers are authoritative for nullreference.dev: ns1.digitalocean.com, ns2.digitalocean.com and ns3.digitalocean.com.

nullreference.dev shares at least some of its name servers with other domains, including 144.184.137.in-addr.arpa, gen3tek.com, topman.com.kh and two others.

ns1.digitalocean.com resolves to 172.64.52.210 and 2606:4700:52::ac40:34d2. ns2.digitalocean.com resolves to 172.64.53.21 and 2606:4700:5a::ac40:3515. ns3.digitalocean.com resolves to 172.64.49.209 and 2606:4700:52::ac40:31d1. All three hostnames point to two IP numbers each.

nullreference.dev - robtex.com