readinggroups.net - dns.ninja
readinggroups.net
| 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 | ||||||
net
| 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=1784976982 | ||||||
Same first word
DNS History
9 records (7 active, 2 former)
●NSmail9th1.barnesandnoble.com2008-11-19 → 2026-07-25 · 2 obs
● 2026-07-25 11:24:00
●NSns2.barnesandnoble.com2008-11-19 → 2026-07-25 · 2 obs
● 2026-07-25 11:24:00
●NSns3.barnesandnoble.com2008-11-19 → 2026-07-25 · 2 obs
● 2026-07-25 11:24:00
●NSns4.barnesandnoble.com2008-11-19 → 2026-07-25 · 2 obs
● 2026-07-25 11:24:00
●NSpnjmasterns01.barnesandnoble.com2015-05-29 → 2026-07-25 · 3 obs
● 2015-05-29 18:05:26
● 2026-07-25 11:24:00
●A161.221.74.2132016-03-12 → 2026-07-25 · 3 obs
● 2016-03-12 21:34:02
● 2026-07-25 11:24:00
○A208.237.178.212008-11-19 → 2008-11-19 · 3 obs
○ 2015-05-29 18:05:26
○ 2026-07-25 11:24:00
○A208.53.33.1182015-05-29 → 2016-02-09 · 5 obs
● 2015-05-29 18:05:26
● 2016-02-09 11:29:20
○ 2016-03-12 21:34:02
○ 2026-07-25 11:24:00
●A65.204.48.1182015-05-29 → 2026-07-25 · 3 obs
● 2015-05-29 18:05:26
● 2026-07-25 11:24:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| readinggroups.net | mail9th1.barnesandnoble.com, ns2.barnesandnoble.com, ns3.barnesandnoble.com, ns4.barnesandnoble.com | - |
✅ 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 readinggroups.net (unsigned zone)
⏱️ Timing
Total: 376ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 161.221.74.213, 65.204.48.118 |
| NS | 4 | ns4.barnesandnoble.com, ns2.barnesandnoble.com... |
| SOA | 1 | pnjmasterns01.barnesandnoble.com domaina |
Analysis
IP Addresses
readinggroups.net directs to two IP numbers, 65.204.48.118 and 161.221.74.213
Two other host names, along with booksforkids.net, book-browser.com and barnesandnoble.press, also share IP numbers with readinggroups.net.
Name Servers
readinggroups.net delegates to five name servers: mail9th1.barnesandnoble.com, ns2.barnesandnoble.com, ns3.barnesandnoble.com and two others.
readinggroups.net partially shares its NS delegation with several other domains, including nookcoloraccessories.com, barnesandnoblewdl.net, mybn.com and two others.
These name servers are regularly seen alongside ns4.barnesandnoble.com and pnjmasterns01.barnesandnoble.com as name servers.
The hosts mail9th1.barnesandnoble.com, ns2.barnesandnoble.com, ns3.barnesandnoble.com and ns4.barnesandnoble.com all resolve to exactly one IP address each: 161.221.74.77, 161.221.74.78, 65.204.48.77 and 65.204.48.80 respectively.