ctudev.com - dns.ninja
ctudev.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns-864.awsdns-44.net ⭐ | ||||||
| A | 2600:9000:5303:6000::1🇺🇸 Amazon2600:9000:5303::/48 - CloudFront | ||||||
| PTR | ns-864.awsdns-44.net | ||||||
| A | 205.251.195.96🇺🇸 Amazon205.251.195.0/24 prefix | ||||||
| PTR | ns-864.awsdns-44.net | ||||||
| NS | ns-1496.awsdns-59.org | ||||||
| A | 2600:9000:5305:d800::1🇺🇸 Amazon2600:9000:5305::/48 - CloudFront | ||||||
| PTR | ns-1496.awsdns-59.org | ||||||
| A | 205.251.197.216🇺🇸 Amazon205.251.197.0/24 prefix | ||||||
| PTR | ns-1496.awsdns-59.org | ||||||
| NS | ns-1702.awsdns-20.co.uk | ||||||
| A | 2600:9000:5306:a600::1🇺🇸 Amazon2600:9000:5306::/48 - CloudFront | ||||||
| PTR | ns-1702.awsdns-20.co.uk | ||||||
| A | 205.251.198.166🇺🇸 Amazon205.251.198.0/24 prefix | ||||||
| PTR | ns-1702.awsdns-20.co.uk | ||||||
| NS | ns-77.awsdns-09.com | ||||||
| A | 2600:9000:5300:4d00::1🇺🇸 Amazon2600:9000:5300::/48 - CloudFront | ||||||
| PTR | ns-77.awsdns-09.com | ||||||
| A | 205.251.192.77🇺🇸 Amazon205.251.192.0/24 prefix | ||||||
| PTR | ns-77.awsdns-09.com | ||||||
| SOA | ns-864.awsdns-44.netawsdns-hostmaster@amazon.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=1782158430 | ||||||
Subdomains
b.ctudev.com |
Same first word
ctudev.com |
Similar names
DNS History
5 records (4 active, 1 former)
●NSns-1496.awsdns-59.org2015-08-10 → 2026-06-22 · 2 obs
● 2026-06-22 20:10:52
●NSns-1702.awsdns-20.co.uk2015-08-10 → 2026-06-22 · 2 obs
● 2026-06-22 20:10:52
●NSns-77.awsdns-09.com2015-08-10 → 2026-06-22 · 2 obs
● 2026-06-22 20:10:52
●NSns-864.awsdns-44.net2015-08-10 → 2026-06-22 · 2 obs
● 2026-06-22 20:10:52
○A23.23.193.1132015-08-10 → 2017-03-27 · 4 obs
● 2017-03-27 19:30:02
○ 2026-02-24 09:58:42
○ 2026-06-22 20:10:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | c.gtld-servers.net, d.gtld-servers.net, e.gtld-servers.net, f.gtld-servers.net... | - |
| ctudev.com | ns-77.awsdns-09.com, ns-864.awsdns-44.net, ns-1702.awsdns-20.co.uk, ns-1496.awsdns-59.org | 2 records |
✅ Authoritative Response
Server:205.251.192.77
NS records: ns-77.awsdns-09.com, ns-864.awsdns-44.net, ns-1702.awsdns-20.co.uk, ns-1496.awsdns-59.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ctudev.com (unsigned zone)
⏱️ Timing
Total: 364ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns-1496.awsdns-59.org, ns-1702.awsdns-20.co.uk... |
| SOA | 1 | ns-864.awsdns-44.net awsdns-hostmaster.a |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns-77.awsdns-09.com, ns-77.awsdns-09.com)
Analysis
Hierarchy
b.ctudev.com is a subdomain of ctudev.com.
Name Servers
The NS records for ctudev.com point to four name servers: ns-77.awsdns-09.com, ns-864.awsdns-44.net, ns-1496.awsdns-59.org and ns-1702.awsdns-20.co.uk.
The name servers of ctudev.com overlap at least partially with those of other domains — among them enroute.(0x787878), de60a90napista.com, hce360.palantirfoundry.com and two more.
The name servers ns-869.awsdns-44.net, ns-80.awsdns-10.com and ns-1892.awsdns-44.co.uk are commonly seen alongside these name servers.
Each of the four hosts ns-77.awsdns-09.com, ns-864.awsdns-44.net, ns-1496.awsdns-59.org and ns-1702.awsdns-20.co.uk has two IP addresses. ns-77.awsdns-09.com points to 205.251.192.77 and 2600:9000:5300:4d00::1. ns-864.awsdns-44.net points to 205.251.195.96 and 2600:9000:5303:6000::1. ns-1496.awsdns-59.org points to 205.251.197.216 and 2600:9000:5305:d800::1. ns-1702.awsdns-20.co.uk points to 205.251.198.166 and 2600:9000:5306:a600::1.