lessonly.engineering - dns.ninja
lessonly.engineering
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns-542.awsdns-03.net ⭐ | ||||||
| A | 2600:9000:5302:1e00::1🇺🇸 Amazon2600:9000:5302::/48 - CloudFront | ||||||
| PTR | ns-542.awsdns-03.net | ||||||
| A | 205.251.194.30🇺🇸 Amazon205.251.194.0/24 prefix | ||||||
| PTR | ns-542.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-1983.awsdns-55.co.uk | ||||||
| A | 2600:9000:5307:bf00::1🇺🇸 Amazon2600:9000:5307::/48 - CloudFront | ||||||
| PTR | ns-1983.awsdns-55.co.uk | ||||||
| A | 205.251.199.191🇺🇸 Amazon205.251.199.0/24 prefix | ||||||
| PTR | ns-1983.awsdns-55.co.uk | ||||||
| NS | ns-412.awsdns-51.com | ||||||
| A | 2600:9000:5301:9c00::1🇺🇸 Amazon2600:9000:5301::/48 - CloudFront | ||||||
| PTR | ns-412.awsdns-51.com | ||||||
| A | 205.251.193.156🇺🇸 Amazon205.251.193.0/24 prefix | ||||||
| PTR | ns-412.awsdns-51.com | ||||||
| SOA | ns-542.awsdns-03.netawsdns-hostmaster@amazon.com serial=1 | ||||||
engineering
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | v0n0.nic.engineering ⭐ | ||||||
| NS | v0n1.nic.engineering | ||||||
| NS | v0n2.nic.engineering | ||||||
| NS | v0n3.nic.engineering | ||||||
| NS | v2n0.nic.engineering | ||||||
| NS | v2n1.nic.engineering | ||||||
| SOA | v0n0.nic.engineeringhostmaster@donuts.email serial=1781770154 | ||||||
Subdomains
about.lessonly.engineering |
Same first word
lessonly.ru |
lessonly.org |
lessonly.me |
lessonly.engineering |
lessonly.net |
lessonly.com |
lessonly.pro |
lessonly.github.io |
Similar names
DNS History
4 records (4 active, 0 former)
●NSns-1074.awsdns-06.org2026-04-18 → 2026-06-18 · 2 obs
● 2026-06-18 08:45:26
●NSns-1983.awsdns-55.co.uk2026-04-18 → 2026-06-18 · 2 obs
● 2026-06-18 08:45:26
●NSns-412.awsdns-51.com2026-04-18 → 2026-06-18 · 2 obs
● 2026-06-18 08:45:26
●NSns-542.awsdns-03.net2026-04-18 → 2026-06-18 · 2 obs
● 2026-06-18 08:45:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| engineering | v0n0.nic.engineering, v0n1.nic.engineering, v0n2.nic.engineering, v0n3.nic.engineering... | 12 records |
| lessonly.engineering | ns-542.awsdns-03.net, ns-1983.awsdns-55.co.uk, ns-412.awsdns-51.com, ns-1074.awsdns-06.org | - |
✅ Authoritative Response
Server:205.251.199.191
NS records: ns-542.awsdns-03.net, ns-1983.awsdns-55.co.uk, ns-412.awsdns-51.com, ns-1074.awsdns-06.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for lessonly.engineering (unsigned zone)
⏱️ Timing
Total: 419ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns-1074.awsdns-06.org, ns-1983.awsdns-55.co.uk... |
| SOA | 1 | ns-542.awsdns-03.net awsdns-hostmaster.a |
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (v0n0.nic.engineering, v0n0.nic.engineering, v0n1.nic.engineering...)
Analysis
Hierarchy
lessonly.engineering is a parent domain of about.lessonly.engineering.
Name Servers
lessonly.engineering has four authoritative name servers: ns-412.awsdns-51.com, ns-542.awsdns-03.net, ns-1074.awsdns-06.org and ns-1983.awsdns-55.co.uk.
lessonly.engineering shares at least some of its name servers with other domains, including aclcake.com, magnif.ai, www.contractors and two others.
The host names ns-412.awsdns-51.com, ns-542.awsdns-03.net, ns-1074.awsdns-06.org and ns-1983.awsdns-55.co.uk each resolve to two IP addresses: ns-412.awsdns-51.com resolves to 205.251.193.156 and 2600:9000:5301:9c00::1; ns-542.awsdns-03.net resolves to 205.251.194.30 and 2600:9000:5302:1e00::1; ns-1074.awsdns-06.org resolves to 205.251.196.50 and 2600:9000:5304:3200::1; ns-1983.awsdns-55.co.uk resolves to 205.251.199.191 and 2600:9000:5307:bf00::1.