teachertools.app - robtex.com
teachertools.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 | ||||||
Same first word
teachertools.app |
teachertools.co |
Similar names
DNS History
8 records (8 active, 0 former)
●NSns-cloud-a1.googledomains.com2026-06-29 → 2026-07-29 · 2 obs
● 2026-07-29 08:14:42
●NSns-cloud-a2.googledomains.com2026-06-29 → 2026-07-29 · 2 obs
● 2026-07-29 08:14:42
●NSns-cloud-a3.googledomains.com2026-06-29 → 2026-07-29 · 2 obs
● 2026-07-29 08:14:42
●NSns-cloud-a4.googledomains.com2026-06-29 → 2026-07-29 · 2 obs
● 2026-07-29 08:14:42
●MXmxa.mailgun.org2026-06-29 → 2026-07-29 · 2 obs
● 2026-07-29 08:14:42
●MXmxb.mailgun.org2026-06-29 → 2026-07-29 · 2 obs
● 2026-07-29 08:14:42
●A198.185.159.1442026-06-29 → 2026-07-29 · 2 obs
● 2026-07-29 08:14:42
●A198.49.23.1452026-06-29 → 2026-07-29 · 2 obs
● 2026-07-29 08:14:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| app | ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com... | - |
| teachertools.app | ns-cloud-a4.googledomains.com, ns-cloud-a2.googledomains.com, ns-cloud-a1.googledomains.com, ns-cloud-a3.googledomains.com | - |
✅ Authoritative Response
Server:216.239.38.106
NS records: ns-cloud-a4.googledomains.com, ns-cloud-a2.googledomains.com, ns-cloud-a1.googledomains.com, ns-cloud-a3.googledomains.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 698ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 198.185.159.144, 198.49.23.145 |
| NS | 4 | ns-cloud-a3.googledomains.com, ns-cloud-a4.googledomains.com... |
| MX | 2 | mxa.mailgun.org (pri: 10), mxb.mailgun.org (pri: 10) |
| TXT | 1 | v=spf1 include:mailgun.org ~all |
| SOA | 1 | ns-cloud-a1.googledomains.com cloud-dns- |
Analysis
IP Addresses
teachertools.app points to the IP addresses 198.49.23.145 and 198.185.159.144
activediscoveryproject.com, esscoco.com, jotterservices.com plus two other host names have IP numbers in common with teachertools.app.
Name Servers
Four name servers handle the delegation for teachertools.app: ns-cloud-a1.googledomains.com, ns-cloud-a2.googledomains.com, ns-cloud-a3.googledomains.com and ns-cloud-a4.googledomains.com.
There is at least partial name server overlap between teachertools.app and other domains — last.world, prd.cortex.pan.run, optinidus.com and two more among them.
All four hostnames — ns-cloud-a1.googledomains.com, ns-cloud-a2.googledomains.com, ns-cloud-a3.googledomains.com and ns-cloud-a4.googledomains.com — resolve to two IP numbers apiece: ns-cloud-a1.googledomains.com to 216.239.32.106 and 2001:4860:4802:32::6a; ns-cloud-a2.googledomains.com to 216.239.34.106 and 2001:4860:4802:34::6a; ns-cloud-a3.googledomains.com to 216.239.36.106 and 2001:4860:4802:36::6a; ns-cloud-a4.googledomains.com to 216.239.38.106 and 2001:4860:4802:38::6a.
Mail Servers
teachertools.app uses two mail servers, mxa.mailgun.org and mxb.mailgun.org.
The mail server setup of teachertools.app matches that of other domains such as checkitmore.com, xocialight.com, maisdoutor.com and two others.
At least some of the mail servers used by teachertools.app are shared with other domains: hazling.com, mail.socialdeal.de, ncrconsole.com and two others among them.
It is common to find these mail servers paired with the mail servers aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com, as well as two others.
Each of mxa.mailgun.org and mxb.mailgun.org points to exactly one IP address: 34.36.182.139.
mxa.mailgun.org and mxb.mailgun.org each have 34.36.182.139 IP addresses.