nookstudy.com - dns.ninja
nookstudy.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 65.204.48.118🇺🇸 BARNES_And_NOBLE65.204.48.0/24 Prolexic Technologies, Inc. | ||||||
| A | 161.221.74.213🇺🇸 BARNES_And_NOBLE161.221.74.0/24 | ||||||
| NS | pnjmasterns01.barnesandnoble.com ⭐ | ||||||
| NS | mail9th1.barnesandnoble.com | ||||||
| A | 161.221.74.77🇺🇸 BARNES_And_NOBLE161.221.74.0/24 | ||||||
| NS | ns2.barnesandnoble.com | ||||||
| A | 161.221.74.78🇺🇸 BARNES_And_NOBLE161.221.74.0/24 | ||||||
| NS | ns3.barnesandnoble.com | ||||||
| A | 65.204.48.77🇺🇸 BARNES_And_NOBLE65.204.48.0/24 Prolexic Technologies, Inc. | ||||||
| NS | ns4.barnesandnoble.com | ||||||
| A | 65.204.48.80🇺🇸 BARNES_And_NOBLE65.204.48.0/24 Prolexic Technologies, Inc. | ||||||
| SOA | pnjmasterns01.barnesandnoble.comdomainadmin@book.com 2026-07-01 #2 | ||||||
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=1784980412 | ||||||
Same first word
nookstudy.com |
Similar names
DNS History
10 records (7 active, 3 former)
●NSmail9th1.barnesandnoble.com2015-07-19 → 2026-07-25 · 2 obs
● 2026-07-25 12:23:22
●NSns2.barnesandnoble.com2015-07-19 → 2026-07-25 · 2 obs
● 2026-07-25 12:23:22
●NSns3.barnesandnoble.com2015-07-19 → 2026-07-25 · 2 obs
● 2026-07-25 12:23:22
●NSns4.barnesandnoble.com2015-07-19 → 2026-07-25 · 2 obs
● 2026-07-25 12:23:22
●NSpnjmasterns01.barnesandnoble.com2015-07-19 → 2026-07-25 · 2 obs
● 2026-07-25 12:23:22
○A161.221.74.192016-06-29 → 2019-04-06 · 5 obs
● 2016-06-29 23:14:16
● 2019-04-06 22:05:32
○ 2026-02-18 18:03:58
○ 2026-07-25 12:23:22
●A161.221.74.2132026-02-18 → 2026-07-25 · 3 obs
● 2026-02-18 18:03:58
● 2026-07-25 12:23:22
○A208.53.32.192015-07-19 → 2016-02-28 · 4 obs
● 2016-02-28 23:30:26
○ 2016-06-29 23:14:16
○ 2026-07-25 12:23:22
●A65.204.48.1182026-02-18 → 2026-07-25 · 3 obs
● 2026-02-18 18:03:58
● 2026-07-25 12:23:22
○A65.204.48.192015-07-19 → 2019-04-06 · 4 obs
● 2019-04-06 22:05:32
○ 2026-02-18 18:03:58
○ 2026-07-25 12:23:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| nookstudy.com | mail9th1.barnesandnoble.com, ns2.barnesandnoble.com, ns3.barnesandnoble.com, ns4.barnesandnoble.com | 4 records |
✅ Authoritative Response
Server:161.221.74.78
NS records: mail9th1.barnesandnoble.com, ns2.barnesandnoble.com, ns3.barnesandnoble.com, ns4.barnesandnoble.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for nookstudy.com (unsigned zone)
⏱️ Timing
Total: 166ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 161.221.74.213, 65.204.48.118 |
| NS | 4 | ns3.barnesandnoble.com, ns4.barnesandnoble.com... |
| SOA | 1 | pnjmasterns01.barnesandnoble.com domaina |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (mail9th1.barnesandnoble.com, ns2.barnesandnoble.com, ns3.barnesandnoble.com...)
Analysis
IP Addresses
nookstudy.com points to the IP addresses 65.204.48.118 and 161.221.74.213
Among the host names that share IP numbers with nookstudy.com are bookgroups.net, picturebooks.net, barnesandnobel.net and two others.
Name Servers
The authoritative name servers for nookstudy.com are mail9th1.barnesandnoble.com, ns2.barnesandnoble.com, ns3.barnesandnoble.com and two others.
At least some of nookstudy.com's name servers are shared with other domains, for example nookkids.com, barnesandnoblereview.com, bn-corp.net and two more.
These name servers tend to be deployed in combination with the name servers ns4.barnesandnoble.com and pnjmasterns01.barnesandnoble.com.
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. ns4.barnesandnoble.com resolves to 65.204.48.80. All four hosts carry exactly one IP address.