usedandrarebooks.com - robtex.com
usedandrarebooks.com
| 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. | ||||||
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=1776084372 | ||||||
Same first word
usedandrarebooks.tv |
usedandrarebooks.com |
DNS History
4 records (4 active, 0 former)
●NSmail9th1.barnesandnoble.com2026-03-15 → 2026-04-13 · 2 obs
● 2026-04-13 13:14:38
●NSns2.barnesandnoble.com2026-03-15 → 2026-04-13 · 2 obs
● 2026-04-13 13:14:38
●NSns3.barnesandnoble.com2026-03-15 → 2026-04-13 · 2 obs
● 2026-04-13 13:14:38
●NSns4.barnesandnoble.com2026-03-15 → 2026-04-13 · 2 obs
● 2026-04-13 13:14:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, c.gtld-servers.net, f.gtld-servers.net, e.gtld-servers.net... | - |
| usedandrarebooks.com | mail9th1.barnesandnoble.com, ns2.barnesandnoble.com, ns3.barnesandnoble.com, ns4.barnesandnoble.com | 4 records |
✅ 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 usedandrarebooks.com (unsigned zone)
⏱️ Timing
Total: 122ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (mail9th1.barnesandnoble.com, ns2.barnesandnoble.com, ns3.barnesandnoble.com...)
Analysis
Name Servers
usedandrarebooks.com is delegated to four name servers: mail9th1.barnesandnoble.com, ns2.barnesandnoble.com, ns3.barnesandnoble.com and ns4.barnesandnoble.com.
usedandrarebooks.com at least partially shares name servers with other domains such as nook.de, bnunion.org, barnesandnobles.biz, barnesandnoble.site and barnesnoble.us.
these name servers are commonly used with the name servers pnjmasterns01.barnesandnoble.com.
Host names with one IP number:
mail9th1.barnesandnoble.com points to: 161.221.74.77
ns2.barnesandnoble.com points to: 161.221.74.78
ns3.barnesandnoble.com points to: 65.204.48.77
ns4.barnesandnoble.com points to: 65.204.48.80