nookapp.net - robtex.com
nookapp.net
| 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. | ||||||
net
| 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=1784172672 | ||||||
Same first word
Similar names
DNS History
9 records (4 active, 5 former)
●NSmail9th1.barnesandnoble.com2026-04-08 → 2026-07-16 · 3 obs
● 2026-04-08 23:28:40
● 2026-07-16 03:58:50
●NSns2.barnesandnoble.com2026-04-08 → 2026-07-16 · 3 obs
● 2026-04-08 23:28:40
● 2026-07-16 03:58:50
●NSns3.barnesandnoble.com2026-04-08 → 2026-07-16 · 3 obs
● 2026-04-08 23:28:40
● 2026-07-16 03:58:50
●NSns4.barnesandnoble.com2026-04-08 → 2026-07-16 · 3 obs
● 2026-04-08 23:28:40
● 2026-07-16 03:58:50
○NSns55.domaincontrol.com2015-07-20 → 2019-12-21 · 4 obs
● 2019-12-21 17:05:54
○ 2026-04-08 23:28:40
○ 2026-07-16 03:58:50
○NSns56.domaincontrol.com2015-07-20 → 2019-12-21 · 4 obs
● 2019-12-21 17:05:54
○ 2026-04-08 23:28:40
○ 2026-07-16 03:58:50
○MXmailstore1.secureserver.net2015-07-20 → 2019-12-21 · 4 obs
● 2019-12-21 17:05:54
○ 2026-04-08 23:28:40
○ 2026-07-16 03:58:50
○MXsmtp.secureserver.net2015-07-20 → 2019-12-21 · 4 obs
● 2019-12-21 17:05:54
○ 2026-04-08 23:28:40
○ 2026-07-16 03:58:50
○A184.168.221.392015-07-20 → 2019-12-21 · 4 obs
● 2019-12-21 17:05:54
○ 2026-04-08 23:28:40
○ 2026-07-16 03:58:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| nookapp.net | mail9th1.barnesandnoble.com, ns2.barnesandnoble.com, ns3.barnesandnoble.com, ns4.barnesandnoble.com | - |
✅ Authoritative Response
Server:161.221.74.77
NS records: mail9th1.barnesandnoble.com, ns2.barnesandnoble.com, ns3.barnesandnoble.com, ns4.barnesandnoble.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for nookapp.net (unsigned zone)
⏱️ Timing
Total: 315ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
Analysis
Name Servers
nookapp.net 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 nookapp.net and other domains — bdalton.link, mynook.com.ua, barnesandnobleinc.net 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.