nook.engineering - dns.ninja
nook.engineering
| DNSSEC | ⚠️ Not signed | ||||||
| NS | mail9th1.barnesandnoble.com ⚠️ Not in zone NS records | ||||||
| A | 161.221.74.77🇺🇸 BARNES_And_NOBLE161.221.74.0/24 | ||||||
| NS | ns2.barnesandnoble.com ⚠️ Not in zone NS records | ||||||
| A | 161.221.74.78🇺🇸 BARNES_And_NOBLE161.221.74.0/24 | ||||||
| NS | ns3.barnesandnoble.com ⚠️ Not in zone NS records | ||||||
| A | 65.204.48.77🇺🇸 BARNES_And_NOBLE65.204.48.0/24 Prolexic Technologies, Inc. | ||||||
| NS | ns4.barnesandnoble.com ⚠️ Not in zone NS records | ||||||
| A | 65.204.48.80🇺🇸 BARNES_And_NOBLE65.204.48.0/24 Prolexic Technologies, Inc. | ||||||
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=1785860803 | ||||||
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●NSmail9th1.barnesandnoble.com2026-03-15 → 2026-08-04 · 2 obs
● 2026-08-04 16:37:44
●NSns2.barnesandnoble.com2026-03-15 → 2026-08-04 · 2 obs
● 2026-08-04 16:37:44
●NSns3.barnesandnoble.com2026-03-15 → 2026-08-04 · 2 obs
● 2026-08-04 16:37:44
●NSns4.barnesandnoble.com2026-03-15 → 2026-08-04 · 2 obs
● 2026-08-04 16:37:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| engineering | v0n0.nic.engineering, v0n1.nic.engineering, v0n2.nic.engineering, v0n3.nic.engineering... | 12 records |
| nook.engineering | ns2.barnesandnoble.com, ns3.barnesandnoble.com, ns4.barnesandnoble.com, mail9th1.barnesandnoble.com | - |
✅ Authoritative Response
Server:161.221.74.78
NS records: ns2.barnesandnoble.com, ns3.barnesandnoble.com, ns4.barnesandnoble.com, mail9th1.barnesandnoble.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for nook.engineering (unsigned zone)
⏱️ Timing
Total: 1173ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (v0n0.nic.engineering, v0n0.nic.engineering, v0n1.nic.engineering...)
Analysis
Name Servers
nook.engineering has four authoritative name servers: mail9th1.barnesandnoble.com, ns2.barnesandnoble.com, ns3.barnesandnoble.com and ns4.barnesandnoble.com.
There is at least partial name server overlap between nook.engineering and other domains — nooknewspapers.com, tateredbookcover.com, nook.systems and two more among them.
These name servers are routinely deployed together with the name servers pnjmasterns01.barnesandnoble.com.
mail9th1.barnesandnoble.com, ns2.barnesandnoble.com, ns3.barnesandnoble.com and ns4.barnesandnoble.com each resolve to one IP address: mail9th1.barnesandnoble.com resolves to 161.221.74.77, ns2.barnesandnoble.com resolves to 161.221.74.78, ns3.barnesandnoble.com resolves to 65.204.48.77 and ns4.barnesandnoble.com resolves to 65.204.48.80.