teachecker.app - robtex.com
teachecker.app
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.comcloud-dns-hostmaster@google.com serial=101427 | ||||||
🔒 HSTS Preload (+subdomains)
Same first word
teachecker.com |
teachecker.net |
teachecker.app |
DNS History
4 records (4 active, 0 former)
●NSdanica.ns.cloudflare.com2026-03-05 → 2026-03-23 · 2 obs
● 2026-03-23 11:55:12
●NSsteven.ns.cloudflare.com2026-03-05 → 2026-03-23 · 2 obs
● 2026-03-23 11:55:12
●MXinbound-smtp.us-east-1.amazonaws.com2026-03-05 → 2026-03-23 · 2 obs
● 2026-03-23 11:55:12
●A216.198.79.12026-03-05 → 2026-03-23 · 2 obs
● 2026-03-23 11:55:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| app | ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com... | - |
| teachecker.app | danica.ns.cloudflare.com, steven.ns.cloudflare.com | - |
✅ Authoritative Response
Server:162.159.44.17
NS records: danica.ns.cloudflare.com, steven.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for teachecker.app (unsigned zone)
⏱️ Timing
Total: 479ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 216.198.79.1 |
| NS | 2 | danica.ns.cloudflare.com, steven.ns.cloudflare.com |
| MX | 1 | inbound-smtp.us-east-1.amazonaws.com (pr |
| SOA | 1 | danica.ns.cloudflare.com dns.cloudflare. |
Analysis
IP Addresses
teachecker.app points to a single IP: 216.198.79.1.
Other host names, for instance zoopol.com, buildergrowth.io, gamelab.it, quantnode.io and lucasmurrey.com share IP numbers with teachecker.app.
Name Servers
Two name servers danica.ns.cloudflare.com and steven.ns.cloudflare.com handle delegation for teachecker.app.
teachecker.app uses the same name server setup as other domains, for example pcsla.net, globaltechsystem.com, cslnetworks.com, e-forms.us and paycrime.com.
teachecker.app partially shares name servers with other domains; examples include thesnowco.com, choapawines.cl, fasterfleetsoftware.com, aiby.com and fhonic.com.
These name servers are commonly used with rose.ns.cloudflare.com, pablo.ns.cloudflare.com and ganz.ns.cloudflare.com.
Host names with six IP numbers: danica.ns.cloudflare.com points to: 2606:4700:50::a29f:26bb, 2803:f800:50::6ca2:c2bb, 2a06:98c1:50::ac40:22bb, 108.162.194.187, 162.159.38.187 and 172.64.34.187; steven.ns.cloudflare.com points to: 2606:4700:58::a29f:2c11, 2803:f800:50::6ca2:c311, 2a06:98c1:50::ac40:2311, 108.162.195.17, 162.159.44.17 and 172.64.35.17.
Mail Servers
teachecker.app is handled by a single mail server, inbound-smtp.us-east-1.amazonaws.com.
teachecker.app has the same mail server setup as other domains, including appstacksolutions.com, oxfordreporter.com, x3iothackathon.slack.com, codefights.slack.com and bonespike.com.
teachecker.app shares some mail servers with other domains, at least partially, such as tempo-io.atlassian.net, hearsthealth.atlassian.net, obrienglass.atlassian.net, bgs.atlassian.net and finishline.atlassian.net.
These mail servers are often used with the mail servers inbound-smtp.us-west-2.amazonaws.com.
The host name inbound-smtp.us-east-1.amazonaws.com resolves to five IP numbers: 3.211.210.226, 44.206.9.87, 44.210.166.32, 54.164.173.191 and 54.197.5.236.