🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`sublinear.dev`

DNSSEC	⚠️ Not signed
A	216.150.1.1^{🇨🇦 Amazon216.150.1.0/24 EC2 Prefix}
A	216.150.16.1^{🇨🇦 Amazon216.150.16.0/24 EC2 Prefix}
NS	`ajay.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b38^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ajay.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c138^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ajay.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2138^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ajay.ns.cloudflare.com`
		A	108.162.193.56^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ajay.ns.cloudflare.com`
		A	172.64.33.56^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ajay.ns.cloudflare.com`
		A	173.245.59.56^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ajay.ns.cloudflare.com`
NS	`christina.ns.cloudflare.com`
		A	2606:4700:50::a29f:26c1^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`christina.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2c1^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`christina.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22c1^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`christina.ns.cloudflare.com`
		A	108.162.194.193^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`christina.ns.cloudflare.com`
		A	162.159.38.193^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`christina.ns.cloudflare.com`
		A	172.64.34.193^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`christina.ns.cloudflare.com`
TXT	`google-site-verification=6dy7rZuaQCc2RjBAec7J5m88jfQUdzUWx8GyaqqUYio`
SOA	`ajay.ns.cloudflare.com`dns@cloudflare.com serial=2411179324

`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

sublinear.systems

sublinear.info

sublinear.com

sublinear.dev

sublinear.net

Similar names

Previous names

Next names

DNS History

8 records (4 active, 4 former)

●NSajay.ns.cloudflare.com2026-08-22 → 2026-08-29 · 2 obs

● 2026-08-22 11:35:32
● 2026-08-29 13:54:16

●NSchristina.ns.cloudflare.com2026-08-22 → 2026-08-29 · 2 obs

● 2026-08-22 11:35:32
● 2026-08-29 13:54:16

●A216.150.1.12026-08-24 → 2026-08-29 · 5 obs

○ 2026-08-22 12:08:26
● 2026-08-24 17:14:16
○ 2026-08-25 06:53:28
● 2026-08-25 08:53:54
● 2026-08-29 13:54:16

○A216.150.1.1292026-08-22 → 2026-08-22 · 3 obs

● 2026-08-22 11:35:32
○ 2026-08-22 12:08:26
○ 2026-08-29 13:54:16

○A216.150.1.1932026-08-22 → 2026-08-25 · 6 obs

○ 2026-08-22 11:35:32
● 2026-08-22 12:08:26
○ 2026-08-24 17:14:16
● 2026-08-25 06:53:28
○ 2026-08-25 08:53:54
○ 2026-08-29 13:54:16

●A216.150.16.12026-08-24 → 2026-08-29 · 5 obs

○ 2026-08-22 12:08:26
● 2026-08-24 17:14:16
○ 2026-08-25 06:53:28
● 2026-08-25 08:53:54
● 2026-08-29 13:54:16

○A216.150.16.1292026-08-22 → 2026-08-22 · 3 obs

● 2026-08-22 11:35:32
○ 2026-08-22 12:08:26
○ 2026-08-29 13:54:16

○A216.150.16.1932026-08-22 → 2026-08-25 · 6 obs

○ 2026-08-22 11:35:32
● 2026-08-22 12:08:26
○ 2026-08-24 17:14:16
● 2026-08-25 06:53:28
○ 2026-08-25 08:53:54
○ 2026-08-29 13:54:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	-
sublinear.dev	ajay.ns.cloudflare.com, christina.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.59.56

NS records: ajay.ns.cloudflare.com, christina.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sublinear.dev (unsigned zone)

⏱️ Timing

Total: 616ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`216.150.16.1, 216.150.1.1`
NS	2	`ajay.ns.cloudflare.com, christina.ns.cloudflare.com`
TXT	1	`google-site-verification=6dy7rZuaQCc2RjB`
SOA	1	`ajay.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

sublinear.dev directs to two IP numbers, 216.150.1.1 and 216.150.16.1

Among the host names that share IP numbers with sublinear.dev are articles.onlinemarketing.hk, pimpyourfeet.com, ditherapp.com and two others.

Name Servers

sublinear.dev is delegated to two name servers: ajay.ns.cloudflare.com and christina.ns.cloudflare.com.

sublinear.dev has the same name server delegation as a number of other domains, such as atilaa20031243.workers.dev, dinedroid.com, tjteumcy.pages.dev and two more.

sublinear.dev partially shares its NS delegation with several other domains, including derooo.sbs, malvinadigirolamocdh7s.pages.dev, boranespace.digital and two others.

These name servers regularly co-occur with the name servers paityn.ns.cloudflare.com, melissa.ns.cloudflare.com and aryanna.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

ajay.ns.cloudflare.com resolves to 108.162.193.56, 172.64.33.56, 173.245.59.56 and 3 other IP addresses.

christina.ns.cloudflare.com resolves to 108.162.194.193, 162.159.38.193, 172.64.34.193 and 3 other IP addresses.

sublinear.dev - robtex.com

sublinear.dev

dev