contextschool.dev - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

contextschool.dev

DNSSEC⚠️ Not signed
A216.150.1.65🇨🇦 Amazon216.150.1.0/24 EC2 Prefix
A216.150.16.1🇨🇦 Amazon216.150.16.0/24 EC2 Prefix
NSns1.vercel-dns.com ⭐
A2620:4d:4000:6259:7:13:0:1🇺🇸 NSONE2620:4d:4000::/48 PNAP-ACS nsone-1
PTRdns1.p13.nsone.net
A198.51.44.13🇺🇸 NSONE198.51.44.0/24
PTRdns1.p13.nsone.net
NSns2.vercel-dns.com
A2a00:edc0:6259:7:13::2🇺🇸 NSONE2a00:edc0:6259::/48 NS1-2
PTRdns2.p13.nsone.net
A198.51.45.13🇺🇸 NSONE198.51.45.0/24
PTRdns2.p13.nsone.net
SOAns1.vercel-dns.comhostmaster@nsone.net serial=1786335527

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

contextschool.dev
contextschool.xyz
contextschool.com

Previous names

contextpipe.dev
contextplane.dev
contextplex.dev
contextplus.dev
contextpool.dev
contextport.dev
contextprd.dev
contextpulse.dev
contextq.dev
contextql-lang.dev
contextr.dev
contextra.dev
contextractor.dev
contextrag.dev
contextrelay.dev
contextroot.dev
contextrot.dev
contextrouter.dev
contextry.dev
contexts.dev

Next names

contextsearch.dev
contextsecurity.dev
contextshare.dev
contextsift.dev
contextslice.dev
contextsmith.dev
contextsource.dev
contextspan.dev
contextstack.dev
contextstream.dev
contextstudio.dev
contextstudios.dev
contextsuite.dev
contextswitch.dev
contextsync.dev
contextsynth.dev
contexttreeprotocol.dev
contextua.dev
contextualise.dev
contextualize.dev

DNS History

7 records (4 active, 3 former)

NSns1.vercel-dns.comns2.vercel-dns.comA216.150.1.65216.150.16.1216.150.1.1216.150.1.129216.150.16.65
●NSns1.vercel-dns.com2026-10-15 → 2026-10-19 · 2 obs
● 2026-10-15 05:45:54
● 2026-10-19 07:50:34
●NSns2.vercel-dns.com2026-10-15 → 2026-10-19 · 2 obs
● 2026-10-15 05:45:54
● 2026-10-19 07:50:34
○A216.150.1.12026-10-17 → 2026-10-17 · 4 obs
○ 2026-10-15 05:45:54
● 2026-10-17 10:10:28
○ 2026-10-19 07:50:32
○ 2026-10-19 07:50:34
○A216.150.1.1292026-10-15 → 2026-10-15 · 3 obs
● 2026-10-15 05:45:54
○ 2026-10-17 10:10:28
○ 2026-10-19 07:50:34
●A216.150.1.652026-10-19 → 2026-10-19 · 3 obs
○ 2026-10-17 10:10:28
● 2026-10-19 07:50:32
● 2026-10-19 07:50:34
●A216.150.16.12026-10-17 → 2026-10-19 · 3 obs
○ 2026-10-15 05:45:54
● 2026-10-17 10:10:28
● 2026-10-19 07:50:34
○A216.150.16.652026-10-15 → 2026-10-15 · 3 obs
● 2026-10-15 05:45:54
○ 2026-10-17 10:10:28
○ 2026-10-19 07:50:34

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld1.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...-
contextschool.devns2.vercel-dns.com, ns1.vercel-dns.com-

✅ Authoritative Response

Server:198.51.44.13

NS records: ns2.vercel-dns.com, ns1.vercel-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

Root DNSKEY fetch failed: Error: connect EADDRNOTAVAIL 198.41.0.4:53 - Local (0.0.0.0:0)

⏱️ Timing

Total: 175ms | Queries: -

📄 Records

TypeCountSample Data
A2216.150.1.193, 216.150.1.1
NS2ns1.vercel-dns.com, ns2.vercel-dns.com
SOA1ns1.vercel-dns.com hostmaster.nsone.net

Analysis

IP Addresses

contextschool.dev has two IP addresses: 216.150.1.65 and 216.150.16.1

iolabs.my, alignpointperformancetest.com, laboro.nyc plus two other host names have IP numbers in common with contextschool.dev.

Name Servers

Two name servers handle the delegation for contextschool.dev: ns1.vercel-dns.com and ns2.vercel-dns.com.

The name server configuration of contextschool.dev is shared with other domains, for instance behzadtabari.com, scanfox.app, charlesonyeabor.com and two others.

contextschool.dev shares at least some of its name servers with domains including ijsnow.me, rolando.io and artunfolded.com

ns1.vercel-dns.com and ns2.vercel-dns.com both carry two IP addresses. The A records for ns1.vercel-dns.com are 198.51.44.13 and 2620:4d:4000:6259:7:13:0:1; the A records for ns2.vercel-dns.com are 198.51.45.13 and 2a00:edc0:6259:7:13::2.