books.com - robtex.com
books.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. | ||||||
| TXT | v=spf1 mx include:spf-0018e301.pphosted.com include:spf.protection.outlook.co... | ||||||
| TXT | mrkrUmDRUe9DlOrR5jx1YHnrnW37sF5o0WgFRYGaK8YzlHnihNVmjljn7LIiCtPGhPJMiUo8613mV... | ||||||
| SOA | pnjmasterns01.barnesandnoble.comdomainadmin@book.com 2026-03-12 #0 | ||||||
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=1771291435 | ||||||
rank #99377 in the tld
WOT: SAFE (71/100)
📈 Tranco rank: #854,221
Subdomains
www.books.com |
Same first word
Similar names
DNS History
12 records (7 active, 5 former)
●NSmail9th1.barnesandnoble.com2015-08-23 → 2026-03-14 · 2 obs
● 2026-03-14 14:32:36
●NSns2.barnesandnoble.com2015-08-23 → 2026-03-14 · 2 obs
● 2026-03-14 14:32:36
●NSns3.barnesandnoble.com2015-08-23 → 2026-03-14 · 2 obs
● 2026-03-14 14:32:36
●NSns4.barnesandnoble.com2015-08-23 → 2026-03-14 · 2 obs
● 2026-03-14 14:32:36
●NSpnjmasterns01.barnesandnoble.com2015-08-23 → 2026-03-14 · 2 obs
● 2026-03-14 14:32:36
○MXmxa-0018e301.gslb.pphosted.com2015-08-23 → 2016-12-31 · 4 obs
● 2016-12-31 18:37:44
○ 2026-02-18 04:56:58
○ 2026-03-14 14:32:36
○MXmxb-0018e301.gslb.pphosted.com2015-08-23 → 2016-12-31 · 4 obs
● 2016-12-31 18:37:44
○ 2026-02-18 04:56:58
○ 2026-03-14 14:32:36
●A161.221.74.2132016-05-07 → 2026-03-14 · 3 obs
● 2016-05-07 03:24:10
● 2026-03-14 14:32:36
○A208.53.32.1262015-08-23 → 2015-10-07 · 4 obs
● 2015-10-07 20:18:04
○ 2015-10-23 17:16:46
○ 2026-03-14 14:32:36
○A208.53.33.1182015-10-23 → 2016-02-20 · 5 obs
● 2015-10-23 17:16:46
● 2016-02-20 11:45:24
○ 2016-05-07 03:24:10
○ 2026-03-14 14:32:36
●A65.204.48.1182015-10-23 → 2026-03-14 · 3 obs
● 2015-10-23 17:16:46
● 2026-03-14 14:32:36
○A65.204.48.1262015-08-23 → 2015-10-07 · 4 obs
● 2015-10-07 20:18:04
○ 2015-10-23 17:16:46
○ 2026-03-14 14:32:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, h.gtld-servers.net, f.gtld-servers.net, b.gtld-servers.net... | - |
| books.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 books.com (unsigned zone)
⏱️ Timing
Total: 194ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 161.221.74.213, 65.204.48.118 |
| NS | 4 | ns2.barnesandnoble.com, ns4.barnesandnoble.com... |
| TXT | 2 | mrkrUmDRUe9DlOrR5jx1YHnrnW37sF5o0WgFRYGa, v=spf1 mx include:spf-0018e301.pphosted. |
| 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
Hierarchy
The parent of www.books.com is books.com.
IP Addresses
books.com points to two IP numbers: 65.204.48.118 and 161.221.74.213.
Other host names, for instance barneandnoble.net, compbooks.net, booksuperstore.com, book.com and booksuperstore.net share IP numbers with books.com.
Name Servers
books.com is delegated to five name servers: mail9th1.barnesandnoble.com, ns2.barnesandnoble.com, ns3.barnesandnoble.com, ns4.barnesandnoble.com and pnjmasterns01.barnesandnoble.com.
books.com shares name servers with other domains at least partially, for instance bnbn.com, fitnessbooks.net, bookfinder.net, biographybooks.com and barnsandnoble.com.
Host names with a single IP:
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.