bluecheck.app - robtex.com
bluecheck.app
| DNSSEC | ⚠️ Not signed | ||||||
| A | 216.150.1.1🇨🇦 Amazon216.150.1.0/24 EC2 Prefix | ||||||
| NS | ns-1056.awsdns-04.org ⭐ | ||||||
| A | 2600:9000:5304:2000::1🇺🇸 Amazon2600:9000:5304::/48 - CloudFront | ||||||
| PTR | ns-1056.awsdns-04.org | ||||||
| A | 205.251.196.32🇺🇸 Amazon205.251.196.0/24 prefix | ||||||
| PTR | ns-1056.awsdns-04.org | ||||||
| NS | ns-1901.awsdns-45.co.uk | ||||||
| A | 2600:9000:5307:6d00::1🇺🇸 Amazon2600:9000:5307::/48 - CloudFront | ||||||
| PTR | ns-1901.awsdns-45.co.uk | ||||||
| A | 205.251.199.109🇺🇸 Amazon205.251.199.0/24 prefix | ||||||
| PTR | ns-1901.awsdns-45.co.uk | ||||||
| NS | ns-331.awsdns-41.com | ||||||
| A | 2600:9000:5301:4b00::1🇺🇸 Amazon2600:9000:5301::/48 - CloudFront | ||||||
| PTR | ns-331.awsdns-41.com | ||||||
| A | 205.251.193.75🇺🇸 Amazon205.251.193.0/24 prefix | ||||||
| PTR | ns-331.awsdns-41.com | ||||||
| NS | ns-559.awsdns-05.net | ||||||
| A | 2600:9000:5302:2f00::1🇺🇸 Amazon2600:9000:5302::/48 - CloudFront | ||||||
| PTR | ns-559.awsdns-05.net | ||||||
| A | 205.251.194.47🇺🇸 Amazon205.251.194.0/24 prefix | ||||||
| PTR | ns-559.awsdns-05.net | ||||||
| SOA | ns-1056.awsdns-04.orgawsdns-hostmaster@amazon.com serial=1 | ||||||
app
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns-tld1.charlestonroadregistry.com ⭐ | ||||||
| NS | ns-tld2.charlestonroadregistry.com | ||||||
| NS | ns-tld3.charlestonroadregistry.com | ||||||
| NS | ns-tld4.charlestonroadregistry.com | ||||||
| NS | ns-tld5.charlestonroadregistry.com | ||||||
| SOA | ns-tld1.charlestonroadregistry.comcloud-dns-hostmaster@google.com serial=101427 | ||||||
🔒 HSTS Preload (+subdomains)
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●NSns-1056.awsdns-04.org2026-03-23 → 2026-03-25 · 2 obs
● 2026-03-25 02:44:40
●NSns-1901.awsdns-45.co.uk2026-03-23 → 2026-03-25 · 2 obs
● 2026-03-25 02:44:40
●NSns-331.awsdns-41.com2026-03-23 → 2026-03-25 · 2 obs
● 2026-03-25 02:44:40
●NSns-559.awsdns-05.net2026-03-23 → 2026-03-25 · 2 obs
● 2026-03-25 02:44:40
●A216.150.1.12026-03-23 → 2026-03-25 · 2 obs
● 2026-03-25 02:44:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| app | ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com... | - |
| bluecheck.app | ns-331.awsdns-41.com, ns-559.awsdns-05.net, ns-1901.awsdns-45.co.uk, ns-1056.awsdns-04.org | - |
✅ Authoritative Response
Server:205.251.196.32
NS records: ns-331.awsdns-41.com, ns-559.awsdns-05.net, ns-1901.awsdns-45.co.uk, ns-1056.awsdns-04.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for bluecheck.app (unsigned zone)
⏱️ Timing
Total: 387ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 216.150.1.1 |
| NS | 4 | ns-1056.awsdns-04.org, ns-1901.awsdns-45.co.uk... |
| SOA | 1 | ns-1056.awsdns-04.org awsdns-hostmaster. |
Analysis
IP Addresses
bluecheck.app points to an IP address: 216.150.1.1.
other host names include www.tsaritsyno.net, fix-app.eu, schneiderforcongress.com, conceptaquariums.ca and limitless.exchange; they share IP numbers with bluecheck.app.
Name Servers
bluecheck.app delegates to four name servers: ns-331.awsdns-41.com, ns-559.awsdns-05.net, ns-1056.awsdns-04.org and ns-1901.awsdns-45.co.uk.
bluecheck.app at least partially shares name servers with other domains, for instance tablesafeinc.com, owin.org, gymondo.fitness, iracing.at and d2x8emivunimd2.cloudfront.net.
These name servers are commonly used alongside ns-780.awsdns-33.net, ns-127.awsdns-15.com and ns-1918.awsdns-47.co.uk.
Host names with two IP numbers: ns-331.awsdns-41.com points to 2600:9000:5301:4b00::1 and 205.251.193.75; ns-559.awsdns-05.net points to 2600:9000:5302:2f00::1 and 205.251.194.47; ns-1056.awsdns-04.org points to 2600:9000:5304:2000::1 and 205.251.196.32; ns-1901.awsdns-45.co.uk points to 2600:9000:5307:6d00::1 and 205.251.199.109.