dev-openclass.com - dns.ninja
dev-openclass.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns-1843.awsdns-38.co.uk ⭐ | ||||||
| A | 2600:9000:5307:3300::1🇺🇸 Amazon2600:9000:5307::/48 - CloudFront | ||||||
| PTR | ns-1843.awsdns-38.co.uk | ||||||
| A | 205.251.199.51🇺🇸 Amazon205.251.199.0/24 prefix | ||||||
| PTR | ns-1843.awsdns-38.co.uk | ||||||
| NS | ns-1214.awsdns-23.org | ||||||
| A | 2600:9000:5304:be00::1🇺🇸 Amazon2600:9000:5304::/48 - CloudFront | ||||||
| PTR | ns-1214.awsdns-23.org | ||||||
| A | 205.251.196.190🇺🇸 Amazon205.251.196.0/24 prefix | ||||||
| PTR | ns-1214.awsdns-23.org | ||||||
| NS | ns-3.awsdns-00.com | ||||||
| A | 2600:9000:5300:300::1🇺🇸 Amazon2600:9000:5300::/48 - CloudFront | ||||||
| PTR | ns-3.awsdns-00.com | ||||||
| A | 205.251.192.3🇺🇸 Amazon205.251.192.0/24 prefix | ||||||
| PTR | ns-3.awsdns-00.com | ||||||
| NS | ns-939.awsdns-53.net | ||||||
| A | 2600:9000:5303:ab00::1🇺🇸 Amazon2600:9000:5303::/48 - CloudFront | ||||||
| PTR | ns-939.awsdns-53.net | ||||||
| A | 205.251.195.171🇺🇸 Amazon205.251.195.0/24 prefix | ||||||
| PTR | ns-939.awsdns-53.net | ||||||
| SOA | ns-1843.awsdns-38.co.ukawsdns-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=1787682545 | ||||||
Subdomains
psptsub-qa.dev-openclass.com |
passport.dev-openclass.com |
Same first word
dev-openclass.com |
Previous names
Next names
DNS History
4 records (4 active, 0 former)
●NSns-1214.awsdns-23.org2015-08-22 → 2026-08-25 · 2 obs
● 2026-08-25 18:45:56
●NSns-1843.awsdns-38.co.uk2015-08-22 → 2026-08-25 · 2 obs
● 2026-08-25 18:45:56
●NSns-3.awsdns-00.com2015-08-22 → 2026-08-25 · 2 obs
● 2026-08-25 18:45:56
●NSns-939.awsdns-53.net2015-08-22 → 2026-08-25 · 2 obs
● 2026-08-25 18:45:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| dev-openclass.com | ns-3.awsdns-00.com, ns-939.awsdns-53.net, ns-1214.awsdns-23.org, ns-1843.awsdns-38.co.uk | 2 records |
✅ Authoritative Response
Server:205.251.192.3
NS records: ns-3.awsdns-00.com, ns-939.awsdns-53.net, ns-1214.awsdns-23.org, ns-1843.awsdns-38.co.uk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for dev-openclass.com (unsigned zone)
⏱️ Timing
Total: 826ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns-1214.awsdns-23.org, ns-1843.awsdns-38.co.uk... |
| SOA | 1 | ns-1843.awsdns-38.co.uk awsdns-hostmaste |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns-3.awsdns-00.com, ns-3.awsdns-00.com)
Analysis
Hierarchy
dev-openclass.com is the parent domain of psptsub-qa.dev-openclass.com and passport.dev-openclass.com.
Name Servers
dev-openclass.com has four authoritative name servers: ns-3.awsdns-00.com, ns-939.awsdns-53.net, ns-1214.awsdns-23.org and ns-1843.awsdns-38.co.uk.
dev-openclass.com shares at least some of its name servers with other domains, including maki-rea.com, bearflagescrow.com, animo-system.com and two others.
The host names ns-3.awsdns-00.com, ns-939.awsdns-53.net, ns-1214.awsdns-23.org and ns-1843.awsdns-38.co.uk each resolve to two IP addresses: ns-3.awsdns-00.com resolves to 205.251.192.3 and 2600:9000:5300:300::1; ns-939.awsdns-53.net resolves to 205.251.195.171 and 2600:9000:5303:ab00::1; ns-1214.awsdns-23.org resolves to 205.251.196.190 and 2600:9000:5304:be00::1; ns-1843.awsdns-38.co.uk resolves to 205.251.199.51 and 2600:9000:5307:3300::1.