techstudyguide.co - robtex.com
techstudyguide.co
| DNSSEC | ⚠️ Not signed | ||||||
| A | 3.33.130.190🇺🇸 Amazon3.33.128.0/20 | ||||||
| PTR | a2aa9ff50de748dbe.awsglobalaccelerator.com | ||||||
| A | 15.197.148.33🇺🇸 Amazon15.197.144.0/20 | ||||||
| NS | ns71.domaincontrol.com ⭐ | ||||||
| A | 2603:5:2194::2eGODADDY-DNS2603:5:2190::/44 | ||||||
| A | 97.74.105.46GODADDY-DNS97.74.104.0/23 | ||||||
| NS | ns72.domaincontrol.com | ||||||
| A | 2603:5:2294::2eGODADDY-DNS2603:5:2290::/44 | ||||||
| A | 173.201.73.46GODADDY-DNS173.201.72.0/23 | ||||||
| SOA | ns71.domaincontrol.comdns@jomax.net 2023-09-19 #0 | ||||||
co
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns0.centralnic.net ⭐ | ||||||
| NS | a.registrydns.co | ||||||
| NS | b.registrydns.co | ||||||
| NS | c.registrydns.co | ||||||
| NS | d.registrydns.co | ||||||
| SOA | ns0.centralnic.nethostmaster@centralnic.net serial=1759796745 | ||||||
Same first word
techstudyguide.org |
techstudyguide.co |
DNS History
4 records (4 active, 0 former)
●NSns71.domaincontrol.com2026-09-08 → 2026-11-05 · 2 obs
● 2026-09-08 12:00:58
● 2026-11-05 03:45:46
● 2026-11-05 03:45:46
●NSns72.domaincontrol.com2026-09-08 → 2026-11-05 · 2 obs
● 2026-09-08 12:00:58
● 2026-11-05 03:45:46
● 2026-11-05 03:45:46
●A15.197.148.332026-09-08 → 2026-11-05 · 2 obs
● 2026-09-08 12:00:58
● 2026-11-05 03:45:46
● 2026-11-05 03:45:46
●A3.33.130.1902026-09-08 → 2026-11-05 · 2 obs
● 2026-09-08 12:00:58
● 2026-11-05 03:45:46
● 2026-11-05 03:45:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| co | c.registrydns.co, b.registrydns.co, d.registrydns.co, a.registrydns.co | 8 records |
| techstudyguide.co | ns72.domaincontrol.com, ns71.domaincontrol.com | - |
✅ Authoritative Response
Server:97.74.105.46
NS records: ns72.domaincontrol.com, ns71.domaincontrol.com
🔒 DNSSEC Status
❌ Bogus (DNSSEC validation failed)
Validation error at co: Error: DNS query timeout: 198.41.0.4 for DS co
⏱️ Timing
Total: 4503ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 3.33.130.190, 15.197.148.33 |
| NS | 2 | ns71.domaincontrol.com, ns72.domaincontrol.com |
| SOA | 1 | ns71.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 8
In-bailiwick: 8 (c.registrydns.co, c.registrydns.co, b.registrydns.co...)
Analysis
IP Addresses
techstudyguide.co resolves to the IP addresses 3.33.130.190 and 15.197.148.33
Name Servers
The NS records for techstudyguide.co delegate to ns71.domaincontrol.com and ns72.domaincontrol.com.
The host names ns71.domaincontrol.com and ns72.domaincontrol.com each point to two IP numbers: ns71.domaincontrol.com points to 97.74.105.46 and 2603:5:2194::2e. ns72.domaincontrol.com points to 173.201.73.46 and 2603:5:2294::2e.