cpututor.com - robtex.com
cpututor.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns-cloud-a1.googledomains.com ⚠️ Not in zone NS records | ||||||
| A | 2001:4860:4802:32::6a🇺🇸 Google2001:4860::/32 | ||||||
| PTR | ns-cloud-a1.googledomains.com | ||||||
| A | 216.239.32.106🇺🇸 Google216.239.32.0/24 | ||||||
| PTR | ns-cloud-a1.googledomains.com | ||||||
| NS | ns-cloud-a2.googledomains.com ⚠️ Not in zone NS records | ||||||
| A | 2001:4860:4802:34::6a🇺🇸 Google2001:4860::/32 | ||||||
| PTR | ns-cloud-a2.googledomains.com | ||||||
| A | 216.239.34.106🇺🇸 Google216.239.34.0/24 | ||||||
| PTR | ns-cloud-a2.googledomains.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 | ||||||
Subdomains
mail.cpututor.com |
Same first word
cpututor.com |
Similar names
DNS History
10 records (2 active, 8 former)
●NSns-cloud-a1.googledomains.com2026-03-15 → 2026-03-24 · 3 obs
● 2026-03-15 15:41:52
● 2026-03-24 20:08:10
●NSns-cloud-a2.googledomains.com2026-03-15 → 2026-03-24 · 3 obs
● 2026-03-15 15:41:52
● 2026-03-24 20:08:10
○NSns1.cpututor.com2026-03-15 → 2026-03-24 · 2 obs
○ 2026-03-24 20:08:10
○NSns2.cpututor.com2026-03-15 → 2026-03-24 · 2 obs
○ 2026-03-24 20:08:10
○NSns23.ixwebhosting.com2015-08-16 → 2017-06-28 · 4 obs
● 2017-06-28 03:24:54
○ 2026-03-15 15:41:52
○ 2026-03-24 20:08:10
○NSns24.ixwebhosting.com2015-08-16 → 2017-06-28 · 4 obs
● 2017-06-28 03:24:54
○ 2026-03-15 15:41:52
○ 2026-03-24 20:08:10
○MXmail1210.ixwebhosting.com2015-08-16 → 2017-06-28 · 4 obs
● 2017-06-28 03:24:54
○ 2026-03-15 15:41:52
○ 2026-03-24 20:08:10
○MXmx.cpututor.com2026-03-15 → 2026-03-24 · 2 obs
○ 2026-03-24 20:08:10
○A103.114.162.1822026-03-15 → 2026-03-24 · 2 obs
○ 2026-03-24 20:08:10
○A74.91.156.1352015-08-16 → 2017-06-28 · 4 obs
● 2017-06-28 03:24:54
○ 2026-03-15 15:41:52
○ 2026-03-24 20:08:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| cpututor.com | ns-cloud-a1.googledomains.com, ns-cloud-a2.googledomains.com | 4 records |
✅ Authoritative Response
Server:216.239.32.106
NS records: ns-cloud-a1.googledomains.com, ns-cloud-a2.googledomains.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cpututor.com (unsigned zone)
⏱️ Timing
Total: 324ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns-cloud-a1.googledomains.com, ns-cloud-a1.googledomains.com, ns-cloud-a2.googledomains.com...)
Analysis
Hierarchy
The parent of mail.cpututor.com is cpututor.com.
Name Servers
cpututor.com is delegated to two name servers: ns-cloud-a1.googledomains.com and ns-cloud-a2.googledomains.com.
cpututor.com uses the same name server setup as other domains, for instance pommetentation.com, mbstrm.com, paraestargenial.com, mdtbrand.site and e-kohelo.com.
cpututor.com shares name servers with other domains at least partially, for instance im0.us, michaelscharffvoice.com, menther.info, itscodetime.com and tomfrenette.com.
these name servers are commonly used together with ns-cloud-a3.googledomains.com and ns-cloud-a4.googledomains.com.
Host names with two IP numbers:
The host ns-cloud-a1.googledomains.com points to 2001:4860:4802:32::6a and 216.239.32.106.
The host ns-cloud-a2.googledomains.com points to 2001:4860:4802:34::6a and 216.239.34.106.