codeacademy.sg - dns.ninja
codeacademy.sg
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns-538.awsdns-03.net ⭐ | ||||||
| A | 2600:9000:5302:1a00::1🇺🇸 Amazon2600:9000:5302::/48 - CloudFront | ||||||
| PTR | ns-538.awsdns-03.net | ||||||
| A | 205.251.194.26🇺🇸 Amazon205.251.194.0/24 prefix | ||||||
| PTR | ns-538.awsdns-03.net | ||||||
| NS | ns-1074.awsdns-06.org | ||||||
| A | 2600:9000:5304:3200::1🇺🇸 Amazon2600:9000:5304::/48 - CloudFront | ||||||
| PTR | ns-1074.awsdns-06.org | ||||||
| A | 205.251.196.50🇺🇸 Amazon205.251.196.0/24 prefix | ||||||
| PTR | ns-1074.awsdns-06.org | ||||||
| NS | ns-1805.awsdns-33.co.uk | ||||||
| A | 2600:9000:5307:d00::1🇺🇸 Amazon2600:9000:5307::/48 - CloudFront | ||||||
| PTR | ns-1805.awsdns-33.co.uk | ||||||
| A | 205.251.199.13🇺🇸 Amazon205.251.199.0/24 prefix | ||||||
| PTR | ns-1805.awsdns-33.co.uk | ||||||
| NS | ns-238.awsdns-29.com | ||||||
| A | 2600:9000:5300:ee00::1🇺🇸 Amazon2600:9000:5300::/48 - CloudFront | ||||||
| PTR | ns-238.awsdns-29.com | ||||||
| A | 205.251.192.238🇺🇸 Amazon205.251.192.0/24 prefix | ||||||
| PTR | ns-238.awsdns-29.com | ||||||
| SOA | ns-538.awsdns-03.netawsdns-hostmaster@amazon.com serial=1 | ||||||
sg
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ds.sgnic.sg ⭐ | ||||||
| NS | dsany2.sgnic.sg | ||||||
| NS | dsany3.sgnic.sg | ||||||
| NS | dsany4.sgnic.sg | ||||||
| NS | ns4.apnic.net | ||||||
| NS | pch.sgzones.sg | ||||||
| SOA | ds.sgnic.sgdna@sgnic.sg serial=2606210830 | ||||||
Same first word
Similar names
DNS History
9 records (4 active, 5 former)
●NSns-1074.awsdns-06.org2026-03-26 → 2026-06-21 · 3 obs
● 2026-03-26 21:10:32
● 2026-06-21 09:06:06
●NSns-1805.awsdns-33.co.uk2026-03-26 → 2026-06-21 · 3 obs
● 2026-03-26 21:10:32
● 2026-06-21 09:06:06
●NSns-238.awsdns-29.com2026-03-26 → 2026-06-21 · 3 obs
● 2026-03-26 21:10:32
● 2026-06-21 09:06:06
●NSns-538.awsdns-03.net2026-03-26 → 2026-06-21 · 3 obs
● 2026-03-26 21:10:32
● 2026-06-21 09:06:06
○NSns01.trademarkarea.com2015-07-20 → 2017-06-20 · 4 obs
● 2017-06-20 17:02:22
○ 2026-03-26 21:10:32
○ 2026-06-21 09:06:06
○NSns02.trademarkarea.com2015-07-20 → 2017-06-20 · 4 obs
● 2017-06-20 17:02:22
○ 2026-03-26 21:10:32
○ 2026-06-21 09:06:06
○NSns03.trademarkarea.com2015-07-20 → 2017-06-20 · 4 obs
● 2017-06-20 17:02:22
○ 2026-03-26 21:10:32
○ 2026-06-21 09:06:06
○A192.230.79.892015-07-20 → 2017-06-20 · 4 obs
● 2017-06-20 17:02:22
○ 2026-03-26 21:10:32
○ 2026-06-21 09:06:06
○A199.83.135.1022015-07-20 → 2017-06-20 · 4 obs
● 2017-06-20 17:02:22
○ 2026-03-26 21:10:32
○ 2026-06-21 09:06:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| sg | pch.sgzones.sg, dsany2.sgnic.sg, dsany3.sgnic.sg, dsany4.sgnic.sg | - |
| codeacademy.sg | ns-238.awsdns-29.com, ns-538.awsdns-03.net, ns-1074.awsdns-06.org, ns-1805.awsdns-33.co.uk | - |
✅ Authoritative Response
Server:205.251.194.26
NS records: ns-238.awsdns-29.com, ns-538.awsdns-03.net, ns-1074.awsdns-06.org, ns-1805.awsdns-33.co.uk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for codeacademy.sg (unsigned zone)
⏱️ Timing
Total: 706ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns-1074.awsdns-06.org, ns-1805.awsdns-33.co.uk... |
| SOA | 1 | ns-538.awsdns-03.net awsdns-hostmaster.a |
Analysis
Name Servers
The NS records for codeacademy.sg point to four name servers: ns-238.awsdns-29.com, ns-538.awsdns-03.net, ns-1074.awsdns-06.org and ns-1805.awsdns-33.co.uk.
There is at least partial name server overlap between codeacademy.sg and other domains — dicofle.net, recruit-sumai.co.jp, rocksalt.com and two more among them.
All four hostnames — ns-238.awsdns-29.com, ns-538.awsdns-03.net, ns-1074.awsdns-06.org and ns-1805.awsdns-33.co.uk — resolve to two IP numbers apiece: ns-238.awsdns-29.com to 205.251.192.238 and 2600:9000:5300:ee00::1; ns-538.awsdns-03.net to 205.251.194.26 and 2600:9000:5302:1a00::1; ns-1074.awsdns-06.org to 205.251.196.50 and 2600:9000:5304:3200::1; ns-1805.awsdns-33.co.uk to 205.251.199.13 and 2600:9000:5307:d00::1.