teacherstoolbox.net - robtex.com
teacherstoolbox.net
net
| 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=1774550442 | ||||||
Same first word
teacherstoolbox.net |
DNS History
14 records (9 active, 5 former)
○NSns-cloud-c1.googledomains.com2016-05-05 → 2018-10-15 · 3 obs
● 2018-10-15 19:31:14
○ 2026-03-26 18:45:24
○NSns-cloud-c2.googledomains.com2016-05-05 → 2018-10-15 · 3 obs
● 2018-10-15 19:31:14
○ 2026-03-26 18:45:24
○NSns-cloud-c3.googledomains.com2016-05-05 → 2018-10-15 · 3 obs
● 2018-10-15 19:31:14
○ 2026-03-26 18:45:24
○NSns-cloud-c4.googledomains.com2016-05-05 → 2018-10-15 · 3 obs
● 2018-10-15 19:31:14
○ 2026-03-26 18:45:24
●NSns-cloud-d1.googledomains.com2026-03-26 → 2026-03-26 · 2 obs
● 2026-03-26 18:45:24
●NSns-cloud-d2.googledomains.com2026-03-26 → 2026-03-26 · 2 obs
● 2026-03-26 18:45:24
●NSns-cloud-d3.googledomains.com2026-03-26 → 2026-03-26 · 2 obs
● 2026-03-26 18:45:24
●NSns-cloud-d4.googledomains.com2026-03-26 → 2026-03-26 · 2 obs
● 2026-03-26 18:45:24
●MXalt1.aspmx.l.google.com2026-03-26 → 2026-03-26 · 1 obs
●MXalt2.aspmx.l.google.com2026-03-26 → 2026-03-26 · 1 obs
●MXalt3.aspmx.l.google.com2026-03-26 → 2026-03-26 · 1 obs
●MXalt4.aspmx.l.google.com2026-03-26 → 2026-03-26 · 1 obs
●MXaspmx.l.google.com2026-03-26 → 2026-03-26 · 1 obs
○A199.34.228.772016-05-05 → 2018-10-15 · 3 obs
● 2018-10-15 19:31:14
○ 2026-03-26 18:45:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| teacherstoolbox.net | ns-cloud-d1.googledomains.com, ns-cloud-d2.googledomains.com, ns-cloud-d3.googledomains.com, ns-cloud-d4.googledomains.com | - |
✅ Authoritative Response
Server:216.239.34.109
NS records: ns-cloud-d1.googledomains.com, ns-cloud-d2.googledomains.com, ns-cloud-d3.googledomains.com, ns-cloud-d4.googledomains.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 521ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns-cloud-d3.googledomains.com, ns-cloud-d2.googledomains.com... |
| MX | 5 | alt1.aspmx.l.google.com (pri: 5), alt3.aspmx.l.google.com (pri: 10)... |
| TXT | 1 | v=spf1 include:_spf.google.com ~all |
| SOA | 1 | ns-cloud-d1.googledomains.com cloud-dns- |
Analysis
Name Servers
teacherstoolbox.net delegates to four name servers: ns-cloud-d1.googledomains.com, ns-cloud-d2.googledomains.com, ns-cloud-d3.googledomains.com and ns-cloud-d4.googledomains.com.
teacherstoolbox.net at least partially shares name servers with other domains, for instance nulicohen.com, insuranceplanner.info, hhvm.de, fortunatehand.com and quagliariello.it.
Host names with two IP numbers: ns-cloud-d1.googledomains.com points to 2001:4860:4802:32::6d and 216.239.32.109; ns-cloud-d2.googledomains.com points to 2001:4860:4802:34::6d and 216.239.34.109; ns-cloud-d3.googledomains.com points to 2001:4860:4802:36::6d and 216.239.36.109; ns-cloud-d4.googledomains.com points to 2001:4860:4802:38::6d and 216.239.38.109.
Mail Servers
teacherstoolbox.net 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.
teacherstoolbox.net shares at least partially some mail servers with other domains, for instance webmanagers.co.nz, vaughanbassettfurnitureco.com, ns500794.ns500821.ns500821.ns500794.ns500821.ns500821.ns500821.ns500794.ns500821.ns500795.ns500821.ns500794.ns500821.ns500795.ns500795.lustypartnersfinder.com, bagginsshoes.com and ns500841.ns500841.ns500841.ns500821.ns500794.ns500821.ns500794.ns500795.ns500821.ns500821.ns500821.ns500795.ns500821.ns500795.ns500790.ns500795.lustypartnersfinder.com.
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 2607:f8b0:4023:c0b::1b and 142.251.2.26.
The host name alt1.aspmx.l.google.com points to 2800:3f0:4003:c0f::1b and 108.177.123.27.
The host name alt2.aspmx.l.google.com points to 2a00:1450:400b:c02::1a and 172.253.116.26.
The host name alt3.aspmx.l.google.com points to 2a00:1450:4009:c0f::1a and 192.178.223.26.
The host name alt4.aspmx.l.google.com points to 2a00:1450:400c:c00::1b and 173.194.76.27.