thenextbook.com - robtex.com

thenextbook.com

DNSSEC⚠️ Not signed
A54.215.31.113🇺🇸 Amazon54.215.0.0/17 EC2 SFO prefix
PTRec2-54-215-31-113.us-west-1.compute.amazonaws.com
NSns1.dyna-ns.net ⭐
A2400:cb00:2049:1::a29f:1a5c🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street
A2400:cb00:2049:1::a29f:1b9e🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street
A162.159.26.92Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns1.dyna-ns.net
A162.159.27.158Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns1.dyna-ns.net
NSns2.dyna-ns.net
A2400:cb00:2049:1::a29f:1805🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street
A2400:cb00:2049:1::a29f:1905🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street
A162.159.24.5Cloudflare162.159.24.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns2.dyna-ns.net
A162.159.25.5Cloudflare162.159.25.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns2.dyna-ns.net
SOAns1.dyna-ns.nethostmaster@thenextbook.com 2026-02-19 #2

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1774385782

Same first word

thenextbook.jp
thenextbook.com
thenextbook.net

DNS History

7 records (3 active, 4 former)

20162017201820192020202120222023202420252026NSns1.dyna-ns.netns2.dyna-ns.netns1.dynadot.comns2.dynadot.comA54.215.31.11352.4.209.25075.2.18.233
●NSns1.dyna-ns.net2026-03-24 → 2026-03-24 · 2 obs
○ 2016-11-28 01:22:38
● 2026-03-24 21:25:00
○NSns1.dynadot.com2015-12-29 → 2016-11-28 · 3 obs
● 2015-12-29 09:40:48
● 2016-11-28 01:22:38
○ 2026-03-24 21:25:00
●NSns2.dyna-ns.net2026-03-24 → 2026-03-24 · 2 obs
○ 2016-11-28 01:22:38
● 2026-03-24 21:25:00
○NSns2.dynadot.com2015-12-29 → 2016-11-28 · 3 obs
● 2015-12-29 09:40:48
● 2016-11-28 01:22:38
○ 2026-03-24 21:25:00
○A52.4.209.2502015-12-29 → 2016-11-28 · 3 obs
● 2015-12-29 09:40:48
● 2016-11-28 01:22:38
○ 2026-03-24 21:25:00
●A54.215.31.1132026-03-24 → 2026-03-24 · 2 obs
○ 2016-11-28 01:22:38
● 2026-03-24 21:25:00
○A75.2.18.2332026-03-24 → 2026-03-24 · 1 obs
○ 2026-03-24 21:25:00

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, g.gtld-servers.net, d.gtld-servers.net, i.gtld-servers.net...-
thenextbook.comns2.dyna-ns.net, ns1.dyna-ns.net-

✅ Authoritative Response

Server:162.159.24.5

NS records: ns2.dyna-ns.net, ns1.dyna-ns.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for thenextbook.com (unsigned zone)

⏱️ Timing

Total: 691ms | Queries: -

📄 Records

TypeCountSample Data
A154.215.31.113
NS2ns1.dyna-ns.net, ns2.dyna-ns.net
SOA1ns1.dyna-ns.net hostmaster.thenextbook.c

Analysis

IP Addresses

thenextbook.com resolves to a single IP: 54.215.31.113.

Other host names, for instance studio-os.com, t(0x787878)(0x706f726e).com, qfol.com, hostiter.com and dedian.com share IP numbers with thenextbook.com.

Name Servers

thenextbook.com has two name servers: ns1.dyna-ns.net and ns2.dyna-ns.net.

thenextbook.com shares the same name server setup as other domains, for example pointysnout.com, 98596.co, catseye.in, ropewell.com and slickchrome.com.

Host names with four IP numbers:

ns1.dyna-ns.net has four IPs: 2400:cb00:2049:1::a29f:1a5c, 2400:cb00:2049:1::a29f:1b9e, 162.159.26.92 and 162.159.27.158.

ns2.dyna-ns.net has four IPs: 2400:cb00:2049:1::a29f:1805, 2400:cb00:2049:1::a29f:1905, 162.159.24.5 and 162.159.25.5.