readinggroup.com - robtex.com
readinggroup.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 2026-03-19 #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=1775983122 | ||||||
Same first word
readinggroup.org |
readinggroup.com |
readinggroup.co |
readinggroup.net |
Similar names
DNS History
8 records (7 active, 1 former)
●NSmail9th1.barnesandnoble.com2015-07-24 → 2026-04-12 · 2 obs
● 2026-04-12 09:07:50
●NSns2.barnesandnoble.com2015-07-24 → 2026-04-12 · 2 obs
● 2026-04-12 09:07:50
●NSns3.barnesandnoble.com2015-07-24 → 2026-04-12 · 2 obs
● 2026-04-12 09:07:50
●NSns4.barnesandnoble.com2015-07-24 → 2026-04-12 · 2 obs
● 2026-04-12 09:07:50
●NSpnjmasterns01.barnesandnoble.com2015-07-24 → 2026-04-12 · 2 obs
● 2026-04-12 09:07:50
●A161.221.74.2132016-03-11 → 2026-04-12 · 3 obs
● 2016-03-11 14:22:42
● 2026-04-12 09:07:50
○A208.53.33.1182015-07-24 → 2015-12-03 · 4 obs
● 2015-12-03 16:19:48
○ 2016-03-11 14:22:42
○ 2026-04-12 09:07:50
●A65.204.48.1182015-07-24 → 2026-04-12 · 2 obs
● 2026-04-12 09:07:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | m.gtld-servers.net, d.gtld-servers.net, a.gtld-servers.net, f.gtld-servers.net... | - |
| readinggroup.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 readinggroup.com (unsigned zone)
⏱️ Timing
Total: 155ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 65.204.48.118, 161.221.74.213 |
| NS | 4 | ns3.barnesandnoble.com, ns2.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
readinggroup.com points to two IP numbers: 65.204.48.118 and 161.221.74.213.
Other host names such as bnuniversity.net, bnb2b.com, barnesandnoble.net, bdaltonbooks.com and tatteredcoverdenver.com share IPs with readinggroup.com.
Name Servers
readinggroup.com is delegated to five name servers: mail9th1.barnesandnoble.com, ns2.barnesandnoble.com, ns3.barnesandnoble.com, ns4.barnesandnoble.com and pnjmasterns01.barnesandnoble.com.
readinggroup.com at least partially shares name servers with other domains, for instance books-etc.eu, barnesandnoblemember.com, waterstonesbarnesandnobleunited.com, tatteredcoverpublications.com and nookmagazines.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.