classroom-tool-box.com - robtex.com
classroom-tool-box.com
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1774382122 | ||||||
Same first word
classroom-tool-box.com |
DNS History
11 records (10 active, 1 former)
●NSns-cloud-b1.googledomains.com2019-12-17 → 2026-03-24 · 2 obs
● 2026-03-24 19:57:44
●NSns-cloud-b2.googledomains.com2019-12-17 → 2026-03-24 · 2 obs
● 2026-03-24 19:57:44
●NSns-cloud-b3.googledomains.com2019-12-17 → 2026-03-24 · 2 obs
● 2026-03-24 19:57:44
●NSns-cloud-b4.googledomains.com2019-12-17 → 2026-03-24 · 2 obs
● 2026-03-24 19:57:44
●MXalt1.aspmx.l.google.com2019-12-17 → 2026-03-24 · 2 obs
● 2026-03-24 19:57:44
●MXalt2.aspmx.l.google.com2019-12-17 → 2026-03-24 · 2 obs
● 2026-03-24 19:57:44
●MXalt3.aspmx.l.google.com2019-12-17 → 2026-03-24 · 2 obs
● 2026-03-24 19:57:44
●MXalt4.aspmx.l.google.com2019-12-17 → 2026-03-24 · 2 obs
● 2026-03-24 19:57:44
●MXaspmx.l.google.com2019-12-17 → 2026-03-24 · 2 obs
● 2026-03-24 19:57:44
○A35.231.220.1362019-12-17 → 2019-12-17 · 3 obs
○ 2026-03-17 06:07:48
○ 2026-03-24 19:57:44
●A35.246.171.2122026-03-17 → 2026-03-24 · 3 obs
● 2026-03-17 06:07:48
● 2026-03-24 19:57:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| classroom-tool-box.com | ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com, ns-cloud-b4.googledomains.com | 8 records |
✅ Authoritative Response
Server:216.239.36.107
NS records: ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com, ns-cloud-b4.googledomains.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for classroom-tool-box.com (unsigned zone)
⏱️ Timing
Total: 294ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 35.246.171.212 |
| NS | 4 | ns-cloud-b4.googledomains.com, ns-cloud-b3.googledomains.com... |
| MX | 5 | alt1.aspmx.l.google.com (pri: 5), alt3.aspmx.l.google.com (pri: 10)... |
| SOA | 1 | ns-cloud-b1.googledomains.com cloud-dns- |
📌 Glue Records Collected
Total: 8
Out-of-bailiwick: 8 (ns-cloud-b1.googledomains.com, ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com...)
Analysis
IP Addresses
classroom-tool-box.com points to an IP address: 35.246.171.212.
Other host names, for instance 212.171.246.35.bc.googleusercontent.com and loudfence.com, share IP numbers with classroom-tool-box.com.
Name Servers
classroom-tool-box.com delegates to four name servers: ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com and ns-cloud-b4.googledomains.com.
classroom-tool-box.com at least partially shares name servers with other domains, for instance projetosojabrasil.com.br, shirleybarnathan.com, g3prod.com, radiant.love and yuheisato.com.
Host names with two IP numbers: ns-cloud-b1.googledomains.com points to 2001:4860:4802:32::6b and 216.239.32.107; ns-cloud-b2.googledomains.com points to 2001:4860:4802:34::6b and 216.239.34.107; ns-cloud-b3.googledomains.com points to 2001:4860:4802:36::6b and 216.239.36.107; ns-cloud-b4.googledomains.com points to 2001:4860:4802:38::6b and 216.239.38.107.
Mail Servers
classroom-tool-box.com is served by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.
classroom-tool-box.com shares at least partially some mail servers with other domains, for instance capitalprime.com.br, councilgreatlakesregion.org, isw.be, mtdemocrat.com and oddeyrarskoli.is.
Mail servers frequently appear alongside aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and aspmx5.googlemail.com.
Host names with two IP numbers:
The host name aspmx.l.google.com points to 2a00:1450:400c:c06::1a and 142.251.168.27.
The host name alt1.aspmx.l.google.com points to 2800:3f0:4003:c0f::1a and 108.177.123.26.
The host name alt2.aspmx.l.google.com points to 2a00:1450:400b:c02::1a and 172.253.116.27.
The host name alt3.aspmx.l.google.com points to 2607:f8b0:4023:3003::1b and 172.253.145.26.
The host name alt4.aspmx.l.google.com points to 2607:f8b0:4003:c4a::1a and 142.251.96.27.