sublinear.dev - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

sublinear.dev

DNSSEC⚠️ Not signed
A216.150.1.1🇨🇦 Amazon216.150.1.0/24 EC2 Prefix
A216.150.16.1🇨🇦 Amazon216.150.16.0/24 EC2 Prefix
NSajay.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b38🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRajay.ns.cloudflare.com
A2803:f800:50::6ca2:c138🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRajay.ns.cloudflare.com
A2a06:98c1:50::ac40:2138🇺🇸 Cloudflare2a06:98c1:50::/45
PTRajay.ns.cloudflare.com
A108.162.193.56🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRajay.ns.cloudflare.com
A172.64.33.56🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRajay.ns.cloudflare.com
A173.245.59.56🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRajay.ns.cloudflare.com
NSchristina.ns.cloudflare.com
A2606:4700:50::a29f:26c1🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRchristina.ns.cloudflare.com
A2803:f800:50::6ca2:c2c1🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRchristina.ns.cloudflare.com
A2a06:98c1:50::ac40:22c1🇺🇸 Cloudflare2a06:98c1:50::/45
PTRchristina.ns.cloudflare.com
A108.162.194.193🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRchristina.ns.cloudflare.com
A162.159.38.193Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRchristina.ns.cloudflare.com
A172.64.34.193🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRchristina.ns.cloudflare.com
TXTgoogle-site-verification=6dy7rZuaQCc2RjBAec7J5m88jfQUdzUWx8GyaqqUYio
SOAajay.ns.cloudflare.comdns@cloudflare.com serial=2411179324

dev

DNSSEC🔒 Signed (DS record present)
NSns-tld1.charlestonroadregistry.com ⭐
NSns-tld2.charlestonroadregistry.com
NSns-tld3.charlestonroadregistry.com
NSns-tld4.charlestonroadregistry.com
NSns-tld5.charlestonroadregistry.com
SOAns-tld1.charlestonroadregistry.comcloud-dns-hostmaster@google.com serial=1
🔒 HSTS Preload (+subdomains)

Same first word

sublinear.systems
sublinear.ai
sublinear.info
sublinear.com
sublinear.app
sublinear.dev
sublinear.net

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Previous names

subject404.dev
subjects.dev
subjourney.dev
subjpro.dev
subkey.dev
subkeys.dev
subkutan.dev
sublang.dev
sublattice.dev
sublemma.dev
sublight.dev
sublim.dev
sublimadigital.dev
sublime.dev
sublimelabs.dev
sublimely.dev
sublimemind.dev
sublimesecurity.dev
subliminator.dev
sublimis.dev

Next names

sublink.dev
sublyna.dev
sublynk.dev
submaid.dev
submanager.dev
submango.dev
submerged.dev
submersion.dev
submethod.dev
subminder.dev
submissive.dev
submitbox.dev
submitcheck.dev
submitkit.dev
submito.dev
submon.dev
subnebula.dev
subnetly.dev
subnetz.dev
subnivea.dev

DNS History

8 records (4 active, 4 former)

NSajay.ns.cloudflare.comchristina.ns.cloudflare.comA216.150.1.1216.150.16.1216.150.1.129216.150.1.193216.150.16.129216.150.16.193
●NSajay.ns.cloudflare.com2026-08-22 → 2026-09-03 · 2 obs
● 2026-08-22 11:35:32
● 2026-09-03 12:49:58
●NSchristina.ns.cloudflare.com2026-08-22 → 2026-09-03 · 2 obs
● 2026-08-22 11:35:32
● 2026-09-03 12:49:58
●A216.150.1.12026-08-24 → 2026-09-03 · 8 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 22:48:56
● 2026-08-31 16:18:50
○ 2026-08-31 18:44:48
● 2026-09-03 12:49:58
○A216.150.1.1292026-08-22 → 2026-08-22 · 3 obs
● 2026-08-22 11:35:32
○ 2026-08-22 12:08:26
○ 2026-09-03 12:49:58
○A216.150.1.1932026-08-22 → 2026-08-31 · 9 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 22:48:56
○ 2026-08-31 16:18:50
● 2026-08-31 18:44:48
○ 2026-09-03 12:49:58
●A216.150.16.12026-08-24 → 2026-09-03 · 8 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 22:48:56
● 2026-08-31 16:18:50
○ 2026-08-31 18:44:48
● 2026-09-03 12:49:58
○A216.150.16.1292026-08-22 → 2026-08-22 · 3 obs
● 2026-08-22 11:35:32
○ 2026-08-22 12:08:26
○ 2026-09-03 12:49:58
○A216.150.16.1932026-08-22 → 2026-08-31 · 9 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 22:48:56
○ 2026-08-31 16:18:50
● 2026-08-31 18:44:48
○ 2026-09-03 12:49:58

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld4.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com...-
sublinear.devajay.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

TypeCountSample Data
A2216.150.1.193, 216.150.16.193
NS2ajay.ns.cloudflare.com, christina.ns.cloudflare.com
TXT1google-site-verification=6dy7rZuaQCc2RjB
SOA1ajay.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 psalmchurch.com, articles.onlinemarketing.hk, pimpyourfeet.com and two others.

Name Servers

Two name servers handle the delegation for sublinear.dev: 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 suresh116160.workers.dev, atilaa20031243.workers.dev, hd9qrao6.pages.dev and two more.

sublinear.dev has at least partial name server overlap with other domains, such as derooo.sbs, ronaldleday1980.workers.dev, malvinadigirolamocdh7s.pages.dev and two others.

It is common to see these name servers used together with name servers paityn.ns.cloudflare.com and melissa.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

ajay.ns.cloudflare.com resolves to 108.162.193.56, 172.64.33.56 and 173.245.59.56 among others, with 3 other IP addresses in total.

christina.ns.cloudflare.com resolves to 108.162.194.193, 162.159.38.193 and 172.64.34.193 among others, with 3 other IP addresses in total.