cs4dev.org - dns.ninja
cs4dev.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 216.137.52.5🇺🇸 Amazon216.137.52.0/24 | ||||||
| A | 216.137.52.31🇺🇸 Amazon216.137.52.0/24 | ||||||
| A | 216.137.52.41🇺🇸 Amazon216.137.52.0/24 | ||||||
| A | 216.137.52.75🇺🇸 Amazon216.137.52.0/24 | ||||||
| NS | ns-146.awsdns-18.com ⭐ | ||||||
| A | 2600:9000:5300:9200::1🇺🇸 Amazon2600:9000:5300::/48 - CloudFront | ||||||
| PTR | ns-146.awsdns-18.com | ||||||
| A | 205.251.192.146🇺🇸 Amazon205.251.192.0/24 prefix | ||||||
| PTR | ns-146.awsdns-18.com | ||||||
| NS | ns-1191.awsdns-20.org | ||||||
| A | 2600:9000:5304:a700::1🇺🇸 Amazon2600:9000:5304::/48 - CloudFront | ||||||
| PTR | ns-1191.awsdns-20.org | ||||||
| A | 205.251.196.167🇺🇸 Amazon205.251.196.0/24 prefix | ||||||
| PTR | ns-1191.awsdns-20.org | ||||||
| NS | ns-1585.awsdns-06.co.uk | ||||||
| A | 2600:9000:5306:3100::1🇺🇸 Amazon2600:9000:5306::/48 - CloudFront | ||||||
| PTR | ns-1585.awsdns-06.co.uk | ||||||
| A | 205.251.198.49🇺🇸 Amazon205.251.198.0/24 prefix | ||||||
| NS | ns-803.awsdns-36.net | ||||||
| A | 2600:9000:5303:2300::1🇺🇸 Amazon2600:9000:5303::/48 - CloudFront | ||||||
| PTR | ns-803.awsdns-36.net | ||||||
| A | 205.251.195.35🇺🇸 Amazon205.251.195.0/24 prefix | ||||||
| PTR | ns-803.awsdns-36.net | ||||||
| SOA | ns-146.awsdns-18.comawsdns-hostmaster@amazon.com serial=1 | ||||||
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | v0n0.pir-ns.org ⭐ | ||||||
| NS | v0n1.pir-ns.org | ||||||
| NS | v0n2.pir-ns.org | ||||||
| NS | v0n3.pir-ns.org | ||||||
| NS | v2n0.pir-ns.org | ||||||
| NS | v2n1.pir-ns.org | ||||||
| SOA | v0n0.pir-ns.orghostmaster@donuts.email serial=1794748675 | ||||||
Same first word
cs4dev.org |
Similar names
Previous names
cs460.org |
cs4720.org |
cs4730.org |
cs475.org |
cs480.org |
cs490unco.org |
cs4971.org |
cs4a.org |
cs4alabama.org |
cs4all.org |
cs4allpr.org |
cs4allworkshopatl.org |
cs4appalachia.org |
cs4ar.org |
cs4bi.org |
cs4c.org |
cs4change.org |
cs4d.org |
Next names
cs4e.org |
cs4ej.org |
cs4ela.org |
cs4ever.org |
cs4f.org |
cs4fn.org |
cs4fun.org |
cs4ga.org |
cs4good.org |
cs4hs.org |
cs4i.org |
cs4ia.org |
cs4ie.org |
cs4il.org |
cs4in.org |
cs4k.org |
cs4kids.org |
cs4kidsfoundation.org |
cs4ky.org |
cs4l.org |
DNS History
12 records (8 active, 4 former)
●NSns-1191.awsdns-20.org2026-10-29 → 2026-11-15 · 2 obs
● 2026-11-15 13:38:24
●NSns-146.awsdns-18.com2026-10-29 → 2026-11-15 · 2 obs
● 2026-11-15 13:38:24
●NSns-1585.awsdns-06.co.uk2026-10-29 → 2026-11-15 · 2 obs
● 2026-11-15 13:38:24
●NSns-803.awsdns-36.net2026-10-29 → 2026-11-15 · 2 obs
● 2026-11-15 13:38:24
○A13.33.82.1152026-11-11 → 2026-11-11 · 4 obs
● 2026-11-11 01:44:12
○ 2026-11-13 21:10:24
○ 2026-11-15 13:38:24
○A13.33.82.422026-11-11 → 2026-11-11 · 4 obs
● 2026-11-11 01:44:12
○ 2026-11-13 21:10:24
○ 2026-11-15 13:38:24
○A13.33.82.552026-11-11 → 2026-11-11 · 4 obs
● 2026-11-11 01:44:12
○ 2026-11-13 21:10:24
○ 2026-11-15 13:38:24
○A13.33.82.602026-11-11 → 2026-11-11 · 4 obs
● 2026-11-11 01:44:12
○ 2026-11-13 21:10:24
○ 2026-11-15 13:38:24
●A216.137.52.312026-10-29 → 2026-11-15 · 4 obs
○ 2026-11-11 01:44:12
● 2026-11-13 21:10:24
● 2026-11-15 13:38:24
●A216.137.52.412026-10-29 → 2026-11-15 · 4 obs
○ 2026-11-11 01:44:12
● 2026-11-13 21:10:24
● 2026-11-15 13:38:24
●A216.137.52.52026-10-29 → 2026-11-15 · 4 obs
○ 2026-11-11 01:44:12
● 2026-11-13 21:10:24
● 2026-11-15 13:38:24
●A216.137.52.752026-10-29 → 2026-11-15 · 4 obs
○ 2026-11-11 01:44:12
● 2026-11-13 21:10:24
● 2026-11-15 13:38:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | v0n0.pir-ns.org, v0n1.pir-ns.org, v0n2.pir-ns.org, v0n3.pir-ns.org... | - |
| cs4dev.org | ns-146.awsdns-18.com, ns-1585.awsdns-06.co.uk, ns-1191.awsdns-20.org, ns-803.awsdns-36.net | 2 records |
✅ Authoritative Response
Server:205.251.198.49
NS records: ns-146.awsdns-18.com, ns-1585.awsdns-06.co.uk, ns-1191.awsdns-20.org, ns-803.awsdns-36.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cs4dev.org (unsigned zone)
⏱️ Timing
Total: 888ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 4 | 13.33.82.55, 13.33.82.42... |
| NS | 4 | ns-1191.awsdns-20.org, ns-146.awsdns-18.com... |
| SOA | 1 | ns-146.awsdns-18.com awsdns-hostmaster.a |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns-1191.awsdns-20.org, ns-1191.awsdns-20.org)
Analysis
IP Addresses
cs4dev.org directs to four IP numbers, which are 216.137.52.5, 216.137.52.31, 216.137.52.41 and 216.137.52.75.
h5.zk988s.com, d3imkxs0pynsn2.amplifyapp.com, app.plumbs.com plus two other host names have IP numbers in common with cs4dev.org.
Name Servers
Four name servers handle the delegation for cs4dev.org: ns-146.awsdns-18.com, ns-803.awsdns-36.net, ns-1191.awsdns-20.org and ns-1585.awsdns-06.co.uk.
At least some of cs4dev.org's name servers are shared with other domains, for example kodeskikknemnda.no, parceriasmail.com, easy2pay.fr and two more.
It is common for these name servers to be used in conjunction with the name servers ns-989.awsdns-59.net, ns-1492.awsdns-58.org and ns-1564.awsdns-03.co.uk.
Four hostnames, each resolving to a pair of IP addresses: ns-146.awsdns-18.com directs to 205.251.192.146 and 2600:9000:5300:9200::1; ns-803.awsdns-36.net directs to 205.251.195.35 and 2600:9000:5303:2300::1; ns-1191.awsdns-20.org directs to 205.251.196.167 and 2600:9000:5304:a700::1; ns-1585.awsdns-06.co.uk directs to 205.251.198.49 and 2600:9000:5306:3100::1.