studyblock.net - robtex.com
studyblock.net
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 76.76.21.21🇺🇸 Amazon76.76.21.0/24 EC2 Prefix | ||||||
| NS | ns-cloud-b1.googledomains.com ⭐ | ||||||
| A | 2001:4860:4802:32::6b🇺🇸 Google2001:4860::/32 | ||||||
| PTR | ns-cloud-b1.googledomains.com | ||||||
| A | 216.239.32.107🇺🇸 Google216.239.32.0/24 | ||||||
| PTR | ns-cloud-b1.googledomains.com | ||||||
| NS | ns-cloud-b2.googledomains.com | ||||||
| A | 2001:4860:4802:34::6b🇺🇸 Google2001:4860::/32 | ||||||
| PTR | ns-cloud-b2.googledomains.com | ||||||
| A | 216.239.34.107🇺🇸 Google216.239.34.0/24 | ||||||
| PTR | ns-cloud-b2.googledomains.com | ||||||
| NS | ns-cloud-b3.googledomains.com | ||||||
| A | 2001:4860:4802:36::6b🇺🇸 Google2001:4860::/32 | ||||||
| PTR | ns-cloud-b3.googledomains.com | ||||||
| A | 216.239.36.107🇺🇸 Google216.239.36.0/24 | ||||||
| PTR | ns-cloud-b3.googledomains.com | ||||||
| NS | ns-cloud-b4.googledomains.com | ||||||
| A | 2001:4860:4802:38::6b🇺🇸 Google2001:4860::/32 | ||||||
| PTR | ns-cloud-b4.googledomains.com | ||||||
| A | 216.239.38.107🇺🇸 Google216.239.38.0/24 | ||||||
| PTR | ns-cloud-b4.googledomains.com | ||||||
| SOA | ns-cloud-b1.googledomains.comcloud-dns-hostmaster@google.com serial=4 | ||||||
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=1793613401 | ||||||
Same first word
Similar names
Previous names
Next names
DNS History
5 records (5 active, 0 former)
●NSns-cloud-b1.googledomains.com2026-08-24 → 2026-11-02 · 2 obs
● 2026-11-02 10:32:36
●NSns-cloud-b2.googledomains.com2026-08-24 → 2026-11-02 · 2 obs
● 2026-11-02 10:32:36
●NSns-cloud-b3.googledomains.com2026-08-24 → 2026-11-02 · 2 obs
● 2026-11-02 10:32:36
●NSns-cloud-b4.googledomains.com2026-08-24 → 2026-11-02 · 2 obs
● 2026-11-02 10:32:36
●A76.76.21.212026-08-24 → 2026-11-02 · 2 obs
● 2026-11-02 10:32:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| studyblock.net | ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com, ns-cloud-b4.googledomains.com | - |
✅ Authoritative Response
Server:216.239.32.107
NS records: ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com, ns-cloud-b4.googledomains.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1012ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 76.76.21.21 |
| NS | 4 | ns-cloud-b2.googledomains.com, ns-cloud-b1.googledomains.com... |
| SOA | 1 | ns-cloud-b1.googledomains.com cloud-dns- |
Analysis
IP Addresses
studyblock.net resolves to just one IP address, 76.76.21.21.
Two other host names, along with ingetechbf.tech, pixel-valley.com and 4evermomentum.com, also share IP numbers with studyblock.net.
Name Servers
The NS records for studyblock.net point 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.
There is at least partial name server overlap between studyblock.net and other domains — swansondesign.net, salemhawksfc.com, spartanogameplay.net and two more among them.
All four hostnames — ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com and ns-cloud-b4.googledomains.com — resolve to two IP numbers apiece: ns-cloud-b1.googledomains.com to 216.239.32.107 and 2001:4860:4802:32::6b; ns-cloud-b2.googledomains.com to 216.239.34.107 and 2001:4860:4802:34::6b; ns-cloud-b3.googledomains.com to 216.239.36.107 and 2001:4860:4802:36::6b; ns-cloud-b4.googledomains.com to 216.239.38.107 and 2001:4860:4802:38::6b.