ctrlstudy.com - robtex.com
ctrlstudy.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 198.185.159.144🇺🇸 SQUARESPACE-1198.185.159.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US | ||||||
| NS | ns-cloud-a1.googledomains.com ⭐ | ||||||
| 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 | ||||||
| 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 | ||||||
| NS | ns-cloud-a3.googledomains.com | ||||||
| A | 2001:4860:4802:36::6a🇺🇸 Google2001:4860::/32 | ||||||
| PTR | ns-cloud-a3.googledomains.com | ||||||
| A | 216.239.36.106🇺🇸 Google216.239.36.0/24 | ||||||
| PTR | ns-cloud-a3.googledomains.com | ||||||
| NS | ns-cloud-a4.googledomains.com | ||||||
| A | 2001:4860:4802:38::6a🇺🇸 Google2001:4860::/32 | ||||||
| PTR | ns-cloud-a4.googledomains.com | ||||||
| A | 216.239.38.106🇺🇸 Google216.239.38.0/24 | ||||||
| PTR | ns-cloud-a4.googledomains.com | ||||||
| SOA | ns-cloud-a1.googledomains.comcloud-dns-hostmaster@google.com serial=1 | ||||||
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=1788029210 | ||||||
Same first word
ctrlstudy.com |
Previous names
Next names
DNS History
5 records (5 active, 0 former)
●NSns-cloud-a1.googledomains.com2026-08-28 → 2026-08-29 · 2 obs
● 2026-08-29 18:52:24
●NSns-cloud-a2.googledomains.com2026-08-28 → 2026-08-29 · 2 obs
● 2026-08-29 18:52:24
●NSns-cloud-a3.googledomains.com2026-08-28 → 2026-08-29 · 2 obs
● 2026-08-29 18:52:24
●NSns-cloud-a4.googledomains.com2026-08-28 → 2026-08-29 · 2 obs
● 2026-08-29 18:52:24
●A198.185.159.1442026-08-28 → 2026-08-29 · 2 obs
● 2026-08-29 18:52:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | k.gtld-servers.net, m.gtld-servers.net, e.gtld-servers.net, i.gtld-servers.net... | - |
| ctrlstudy.com | ns-cloud-a1.googledomains.com, ns-cloud-a2.googledomains.com, ns-cloud-a3.googledomains.com, ns-cloud-a4.googledomains.com | 8 records |
✅ Authoritative Response
Server:216.239.38.106
NS records: ns-cloud-a1.googledomains.com, ns-cloud-a2.googledomains.com, ns-cloud-a3.googledomains.com, ns-cloud-a4.googledomains.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ctrlstudy.com (unsigned zone)
⏱️ Timing
Total: 377ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 198.185.159.144 |
| NS | 4 | ns-cloud-a1.googledomains.com, ns-cloud-a4.googledomains.com... |
| SOA | 1 | ns-cloud-a1.googledomains.com cloud-dns- |
📌 Glue Records Collected
Total: 8
Out-of-bailiwick: 8 (ns-cloud-a1.googledomains.com, ns-cloud-a1.googledomains.com, ns-cloud-a2.googledomains.com...)
Analysis
IP Addresses
ctrlstudy.com resolves to one IP address: 198.185.159.144.
umst-edu.co, affordablehoustonweddingplanner.com, jlchaseholdings.com and two other host names share IP numbers with ctrlstudy.com.
Name Servers
The authoritative name servers for ctrlstudy.com are ns-cloud-a1.googledomains.com, ns-cloud-a2.googledomains.com, ns-cloud-a3.googledomains.com and ns-cloud-a4.googledomains.com.
ctrlstudy.com has at least partial name server overlap with other domains, such as campsparkleboutique.com, lreyesconstruction.com, macknotary.com and two others.
ns-cloud-a1.googledomains.com, ns-cloud-a2.googledomains.com, ns-cloud-a3.googledomains.com and ns-cloud-a4.googledomains.com all point to exactly two IP numbers each: ns-cloud-a1.googledomains.com → 216.239.32.106 and 2001:4860:4802:32::6a; ns-cloud-a2.googledomains.com → 216.239.34.106 and 2001:4860:4802:34::6a; ns-cloud-a3.googledomains.com → 216.239.36.106 and 2001:4860:4802:36::6a; ns-cloud-a4.googledomains.com → 216.239.38.106 and 2001:4860:4802:38::6a.