computerliteracy.com - dns.ninja
computerliteracy.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 | 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 ⚠️ 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. | ||||||
| SOA | mail9th1.barnesandnoble.comdomainadmin@book.com 2020-07-22 #1 | ||||||
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=1785053152 | ||||||
Same first word
computerliteracy.com |
DNS History
9 records (6 active, 3 former)
●NSmail9th1.barnesandnoble.com2015-06-03 → 2026-07-26 · 2 obs
● 2026-07-26 08:12:44
●NSns2.barnesandnoble.com2015-06-03 → 2026-07-26 · 2 obs
● 2026-07-26 08:12:44
●NSns3.barnesandnoble.com2026-02-16 → 2026-07-26 · 3 obs
● 2026-02-16 02:44:46
● 2026-07-26 08:12:44
●NSns4.barnesandnoble.com2026-02-16 → 2026-07-26 · 3 obs
● 2026-02-16 02:44:46
● 2026-07-26 08:12:44
●A161.221.74.2132026-02-16 → 2026-07-26 · 3 obs
● 2026-02-16 02:44:46
● 2026-07-26 08:12:44
○A161.221.88.192015-06-03 → 2016-03-21 · 4 obs
● 2016-03-21 22:05:50
○ 2016-08-08 03:14:46
○ 2026-07-26 08:12:44
○A208.53.32.192015-06-03 → 2017-04-11 · 4 obs
● 2017-04-11 03:33:54
○ 2026-02-16 02:44:46
○ 2026-07-26 08:12:44
●A65.204.48.1182026-02-16 → 2026-07-26 · 3 obs
● 2026-02-16 02:44:46
● 2026-07-26 08:12:44
○A65.204.48.192015-06-03 → 2017-04-11 · 4 obs
● 2017-04-11 03:33:54
○ 2026-02-16 02:44:46
○ 2026-07-26 08:12:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| computerliteracy.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 computerliteracy.com (unsigned zone)
⏱️ Timing
Total: 199ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 161.221.74.213, 65.204.48.118 |
| NS | 2 | mail9th1.barnesandnoble.com, ns2.barnesandnoble.com |
| SOA | 1 | mail9th1.barnesandnoble.com domainadmin. |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (mail9th1.barnesandnoble.com, ns2.barnesandnoble.com, ns3.barnesandnoble.com...)
Analysis
IP Addresses
computerliteracy.com directs to two IP numbers, 65.204.48.118 and 161.221.74.213
nookbook.org, barnesnoble.com, barnesandnobleuniversity.com plus two other host names have IP numbers in common with computerliteracy.com.
Name Servers
Four name servers handle the delegation for computerliteracy.com: mail9th1.barnesandnoble.com, ns2.barnesandnoble.com, ns3.barnesandnoble.com and ns4.barnesandnoble.com.
computerliteracy.com has at least partial name server overlap with other domains, such as nookapp.com, unionbn.org, barnesandmobile.biz and two others.
It is common to find these name servers paired with the name servers pnjmasterns01.barnesandnoble.com.
Four host names, each with one IP address: mail9th1.barnesandnoble.com has 161.221.74.77, ns2.barnesandnoble.com has 161.221.74.78, ns3.barnesandnoble.com has 65.204.48.77 and ns4.barnesandnoble.com has 65.204.48.80.