criticalthinkingacademy.com - robtex.com
criticalthinkingacademy.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=1776938387 | ||||||
Previously MX for
criticalthinkingacademy.com |
Same first word
criticalthinkingacademy.org |
criticalthinkingacademy.com |
DNS History
19 records (7 active, 12 former)
●NSns-cloud-d1.googledomains.com2026-03-31 → 2026-04-23 · 3 obs
● 2026-03-31 00:13:50
● 2026-04-23 10:26:50
●NSns-cloud-d2.googledomains.com2026-03-31 → 2026-04-23 · 3 obs
● 2026-03-31 00:13:50
● 2026-04-23 10:26:50
●NSns-cloud-d3.googledomains.com2026-03-31 → 2026-04-23 · 3 obs
● 2026-03-31 00:13:50
● 2026-04-23 10:26:50
●NSns-cloud-d4.googledomains.com2026-03-31 → 2026-04-23 · 3 obs
● 2026-03-31 00:13:50
● 2026-04-23 10:26:50
○NSns1.systemdns.com2017-10-11 → 2017-10-11 · 4 obs
● 2017-10-11 02:39:24
○ 2026-03-31 00:13:50
○ 2026-04-23 10:26:50
○NSns1.xserver.jp2015-11-03 → 2016-04-14 · 4 obs
● 2016-04-14 22:51:50
○ 2017-10-11 02:39:24
○ 2026-04-23 10:26:50
○NSns2.systemdns.com2017-10-11 → 2017-10-11 · 4 obs
● 2017-10-11 02:39:24
○ 2026-03-31 00:13:50
○ 2026-04-23 10:26:50
○NSns2.xserver.jp2015-11-03 → 2016-04-14 · 4 obs
● 2016-04-14 22:51:50
○ 2017-10-11 02:39:24
○ 2026-04-23 10:26:50
○NSns3.systemdns.com2017-10-11 → 2017-10-11 · 4 obs
● 2017-10-11 02:39:24
○ 2026-03-31 00:13:50
○ 2026-04-23 10:26:50
○NSns3.xserver.jp2015-11-03 → 2016-04-14 · 4 obs
● 2016-04-14 22:51:50
○ 2017-10-11 02:39:24
○ 2026-04-23 10:26:50
○NSns4.xserver.jp2015-11-03 → 2016-04-14 · 4 obs
● 2016-04-14 22:51:50
○ 2017-10-11 02:39:24
○ 2026-04-23 10:26:50
○NSns5.xserver.jp2015-11-03 → 2016-04-14 · 4 obs
● 2016-04-14 22:51:50
○ 2017-10-11 02:39:24
○ 2026-04-23 10:26:50
○MXcriticalthinkingacademy.com2015-11-03 → 2016-04-14 · 4 obs
● 2016-04-14 22:51:50
○ 2017-10-11 02:39:24
○ 2026-04-23 10:26:50
●MXmx.criticalthinkingacademy.com.cust.b.hostedemail.com2017-10-11 → 2026-04-23 · 3 obs
● 2017-10-11 02:39:24
● 2026-04-23 10:26:50
○A103.232.215.1332015-06-23 → 2015-06-23 · 3 obs
○ 2015-11-03 13:31:48
○ 2026-04-23 10:26:50
○A120.136.14.132015-11-03 → 2016-04-14 · 5 obs
● 2015-11-03 13:31:48
● 2016-04-14 22:51:50
○ 2017-10-11 02:39:24
○ 2026-04-23 10:26:50
○A23.227.38.322017-10-11 → 2017-10-11 · 4 obs
● 2017-10-11 02:39:24
○ 2026-03-31 00:13:50
○ 2026-04-23 10:26:50
●A23.227.38.662026-03-31 → 2026-04-23 · 3 obs
● 2026-03-31 00:13:50
● 2026-04-23 10:26:50
●A2620:127:f00f:6::2026-03-31 → 2026-04-23 · 3 obs
● 2026-03-31 00:13:50
● 2026-04-23 10:26:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | i.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net, m.gtld-servers.net... | - |
| criticalthinkingacademy.com | ns-cloud-d1.googledomains.com, ns-cloud-d2.googledomains.com, ns-cloud-d3.googledomains.com, ns-cloud-d4.googledomains.com | 8 records |
✅ Authoritative Response
Server:216.239.32.109
NS records: ns-cloud-d1.googledomains.com, ns-cloud-d2.googledomains.com, ns-cloud-d3.googledomains.com, ns-cloud-d4.googledomains.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for criticalthinkingacademy.com (unsigned zone)
⏱️ Timing
Total: 346ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 23.227.38.66 |
| AAAA | 1 | 2620:127:f00f:6:: |
| NS | 4 | ns-cloud-d1.googledomains.com, ns-cloud-d2.googledomains.com... |
| MX | 1 | mx.criticalthinkingacademy.com.cust.b.ho |
| TXT | 1 | v=spf1 include:_spf.hostedemail.com ~all |
| SOA | 1 | ns-cloud-d1.googledomains.com cloud-dns- |
📌 Glue Records Collected
Total: 8
Out-of-bailiwick: 8 (ns-cloud-d1.googledomains.com, ns-cloud-d1.googledomains.com, ns-cloud-d2.googledomains.com...)
Analysis
IP Addresses
criticalthinkingacademy.com resolves to two IP numbers: 2620:127:f00f:6:: and 23.227.38.66.
other host names including kristynapraha.com, charmingforge.com, heyperth.com, kiddzclub.com and www.day-impex.co.uk share IP numbers with criticalthinkingacademy.com.
Name Servers
criticalthinkingacademy.com is delegated 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.
criticalthinkingacademy.com at least partially shares name servers with other domains, for instance zavira.nl, decojava.com, zulamail.us, commercevc.com and omsnakket.nu.
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
criticalthinkingacademy.com is handled by a single mail server, mx.criticalthinkingacademy.com.cust.b.hostedemail.com.
mx.criticalthinkingacademy.com.cust.b.hostedemail.com resolves to IP 64.98.38.4.