instructor.rpexams-dev.com - dns.ninja
instructor.rpexams-dev.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 3.221.184.131🇺🇸 Amazon3.208.0.0/12 EC2 IAD prefix | ||||||
| PTR | ec2-3-221-184-131.compute-1.amazonaws.com | ||||||
rpexams-dev.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns-1332.awsdns-38.org ⭐ | ||||||
| NS | ns-1827.awsdns-36.co.uk | ||||||
| NS | ns-479.awsdns-59.com | ||||||
| NS | ns-601.awsdns-11.net | ||||||
| SOA | ns-1332.awsdns-38.orgawsdns-hostmaster@amazon.com serial=1 | ||||||
Same first word
Similar names
DNS History
3 records (1 active, 2 former)
●A3.221.184.1312026-08-16 → 2026-08-16 · 2 obs
○ 2026-05-18 22:35:18
● 2026-08-16 05:28:38
● 2026-08-16 05:28:38
○A34.205.10.1002026-05-18 → 2026-05-18 · 3 obs
○ 2026-03-01 08:39:00
● 2026-05-18 22:35:18
○ 2026-08-16 05:28:38
● 2026-05-18 22:35:18
○ 2026-08-16 05:28:38
○A35.169.231.1072026-03-01 → 2026-03-01 · 3 obs
● 2026-03-01 08:39:00
○ 2026-05-18 22:35:18
○ 2026-08-16 05:28:38
○ 2026-05-18 22:35:18
○ 2026-08-16 05:28:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| rpexams-dev.com | ns-601.awsdns-11.net, ns-479.awsdns-59.com, ns-1827.awsdns-36.co.uk, ns-1332.awsdns-38.org | 2 records |
✅ Authoritative Response
Server:205.251.194.89
NS records: ns-601.awsdns-11.net, ns-479.awsdns-59.com, ns-1827.awsdns-36.co.uk, ns-1332.awsdns-38.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for rpexams-dev.com (unsigned zone)
⏱️ Timing
Total: 215ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 3.221.184.131 |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns-479.awsdns-59.com, ns-479.awsdns-59.com)
Analysis
IP Addresses
instructor.rpexams-dev.com directs to one IP number, which is 3.221.184.131.