usedbooksamazon.com - robtex.com

usedbooksamazon.com

DNSSEC⚠️ Not signed
A3.33.147.88🇺🇸 Amazon3.33.144.0/20
PTRaa245c3bd607532f4.awsglobalaccelerator.com
A15.197.140.28🇺🇸 Amazon15.197.128.0/20
NSdns-external-master.amazon.com ⭐
A204.74.108.1🇺🇸 MAINT-ID-12008204.74.108.0/24 Neustar
PTRpdns1.ultradns.net
NSns1.amzndns.co.uk
A2001:502:4612::10🇺🇸 MAINT-ID-120082001:502:4612::/48 Neustar
PTRu4.amazonaws.info
A156.154.67.10🇺🇸 MAINT-ID-12008156.154.67.0/24 Neustar
PTRu4.amazonaws.info
NSns1.amzndns.com
A2001:502:f3ff::10🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar
PTRu1.amazonaws.com
A156.154.64.10🇺🇸 MAINT-ID-12008156.154.64.0/24 Neustar
PTRu1.amazonaws.com
NSns1.amzndns.net
A2610:a1:1014::10🇺🇸 MAINT-ID-120082610:a1:1014::/48 Neustar
PTRu2.amazonaws.com
A156.154.65.10🇺🇸 MAINT-ID-12008156.154.65.0/24 Neustar
PTRu2.amazonaws.com
NSns1.amzndns.org
A2610:a1:1015::10🇺🇸 MAINT-ID-120082610:a1:1015::/48 Neustar
PTRu3.amazonaws.info
A156.154.66.10🇺🇸 MAINT-ID-12008156.154.66.0/24 Neustar
PTRu3.amazonaws.info
NSns2.amzndns.co.uk
A2610:a1:32d1::53🇺🇸 AS3991692610:a1:32d1::/48
PTRdns-01.ultradns2.org
A204.74.120.1🇺🇸 AS399169204.74.120.0/24
PTRdns-01.ultradns2.org
NSns2.amzndns.com
A2610:a1:1016::10🇺🇸 MAINT-ID-120082610:a1:1016::/48 Neustar
PTRu5.amazonaws.org
A156.154.68.10🇺🇸 MAINT-ID-12008156.154.68.0/24 Neustar
PTRu5.amazonaws.org
NSns2.amzndns.net
A2610:a1:1017::10🇺🇸 MAINT-ID-120082610:a1:1017::/48 Neustar
PTRu6.amazonaws.org
A156.154.69.10🇺🇸 MAINT-ID-12008156.154.69.0/24 Neustar
PTRu6.amazonaws.org
NSns2.amzndns.org
A2610:a1:31d1::53🇺🇸 AS3991692610:a1:31d1::/48
PTRdns-01.ultradns2.com
A156.154.150.1🇺🇸 AS399169156.154.150.0/24
PTRdns-01.ultradns2.com
TXTv=spf1 -all
SOAdns-external-master.amazon.comroot@amazon.com 2008-04-03 #15

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=1776012537

Subdomains

www.usedbooksamazon.com

Same first word

usedbooksamazon.com

DNS History

16 records (11 active, 5 former)

200920112013201520172019202120232025NSdns-external-master.amazon.comns1.amzndns.co.ukns1.amzndns.comns1.amzndns.netns1.amzndns.orgns2.amzndns.co.ukns2.amzndns.comns2.amzndns.netns2.amzndns.orgns-1.amazon.comns-2.amazon.comns-3.amazon.comA15.197.140.283.33.147.88207.171.166.2272.21.206.80
●NSdns-external-master.amazon.com2015-07-24 → 2026-04-12 · 3 obs
○ 2008-03-17 06:58:56
● 2015-07-24 20:45:12
● 2026-04-12 16:54:52
○NSns-1.amazon.com2008-03-17 → 2019-04-09 · 4 obs
● 2008-03-17 06:58:56
● 2019-04-09 20:44:34
○ 2026-02-19 23:04:36
○ 2026-04-12 16:54:52
○NSns-2.amazon.com2008-03-17 → 2019-04-09 · 4 obs
● 2008-03-17 06:58:56
● 2019-04-09 20:44:34
○ 2026-02-19 23:04:36
○ 2026-04-12 16:54:52
○NSns-3.amazon.com2008-03-17 → 2019-04-09 · 4 obs
● 2008-03-17 06:58:56
● 2019-04-09 20:44:34
○ 2026-02-19 23:04:36
○ 2026-04-12 16:54:52
●NSns1.amzndns.co.uk2026-02-19 → 2026-04-12 · 3 obs
○ 2019-04-09 20:44:34
● 2026-02-19 23:04:36
● 2026-04-12 16:54:52
●NSns1.amzndns.com2026-02-19 → 2026-04-12 · 3 obs
○ 2019-04-09 20:44:34
● 2026-02-19 23:04:36
● 2026-04-12 16:54:52
●NSns1.amzndns.net2026-02-19 → 2026-04-12 · 3 obs
○ 2019-04-09 20:44:34
● 2026-02-19 23:04:36
● 2026-04-12 16:54:52
●NSns1.amzndns.org2026-02-19 → 2026-04-12 · 3 obs
○ 2019-04-09 20:44:34
● 2026-02-19 23:04:36
● 2026-04-12 16:54:52
●NSns2.amzndns.co.uk2026-02-19 → 2026-04-12 · 3 obs
○ 2019-04-09 20:44:34
● 2026-02-19 23:04:36
● 2026-04-12 16:54:52
●NSns2.amzndns.com2026-02-19 → 2026-04-12 · 3 obs
○ 2019-04-09 20:44:34
● 2026-02-19 23:04:36
● 2026-04-12 16:54:52
●NSns2.amzndns.net2026-02-19 → 2026-04-12 · 3 obs
○ 2019-04-09 20:44:34
● 2026-02-19 23:04:36
● 2026-04-12 16:54:52
●NSns2.amzndns.org2026-02-19 → 2026-04-12 · 3 obs
○ 2019-04-09 20:44:34
● 2026-02-19 23:04:36
● 2026-04-12 16:54:52
●A15.197.140.282026-02-19 → 2026-04-12 · 3 obs
○ 2019-04-09 20:44:34
● 2026-02-19 23:04:36
● 2026-04-12 16:54:52
○A207.171.166.222008-03-17 → 2019-04-09 · 4 obs
● 2008-03-17 06:58:56
● 2019-04-09 20:44:34
○ 2026-02-19 23:04:36
○ 2026-04-12 16:54:52
●A3.33.147.882026-02-19 → 2026-04-12 · 3 obs
○ 2019-04-09 20:44:34
● 2026-02-19 23:04:36
● 2026-04-12 16:54:52
○A72.21.206.802008-03-17 → 2019-04-09 · 4 obs
● 2008-03-17 06:58:56
● 2019-04-09 20:44:34
○ 2026-02-19 23:04:36
○ 2026-04-12 16:54:52

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
come.gtld-servers.net, m.gtld-servers.net, i.gtld-servers.net, b.gtld-servers.net...-
usedbooksamazon.comns1.amzndns.org, ns2.amzndns.org, ns1.amzndns.co.uk, ns2.amzndns.co.uk...4 records

✅ Authoritative Response

Server:156.154.150.1

NS records: ns1.amzndns.org, ns2.amzndns.org, ns1.amzndns.co.uk, ns2.amzndns.co.uk, ns1.amzndns.net, ns2.amzndns.net, ns1.amzndns.com, ns2.amzndns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for usedbooksamazon.com (unsigned zone)

⏱️ Timing

Total: 615ms | Queries: -

📄 Records

TypeCountSample Data
A215.197.140.28, 3.33.147.88
NS8ns1.amzndns.co.uk, ns1.amzndns.com...
TXT1v=spf1 -all
SOA1dns-external-master.amazon.com root.amaz

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.amzndns.com, ns1.amzndns.com, ns2.amzndns.com...)

Analysis

Hierarchy

usedbooksamazon.com is parent of www.usedbooksamazon.com.

IP Addresses

usedbooksamazon.com points to two IP numbers: 3.33.147.88 and 15.197.140.28.

Other host names, for instance www.amazonbookpromotions.com, amazon.pr, www.amazon.com.bb, amazonlibrary.com and www.amazon.tw share IP numbers with usedbooksamazon.com.

Name Servers

usedbooksamazon.com delegates to nine name servers: dns-external-master.amazon.com, ns1.amzndns.com, ns2.amzndns.com, ns1.amzndns.net, ns2.amzndns.net, ns1.amzndns.org, ns2.amzndns.org, ns1.amzndns.co.uk and ns2.amzndns.co.uk.

usedbooksamazon.com at least partially shares its name servers with other domains, for instance wwwlamazon.in, 198.64.18.in-addr.arpa, sentbid.com, wmazon.co.in and ammazom.com.

These name servers are commonly used with pdns1.ultradns.net, pdns5.ultradns.info, pdns2.ultradns.net, pdns3.ultradns.org, pdns4.ultradns.org, pdns6.ultradns.co.uk, x1.amazonaws.com, x2.amazonaws.com, x3.amazonaws.org and x4.amazonaws.org.

Host names with two IP numbers:

The host name ns1.amzndns.com points to 2001:502:f3ff::10 and 156.154.64.10.

The host name ns2.amzndns.com points to 2610:a1:1016::10 and 156.154.68.10.

The host name ns1.amzndns.net points to 2610:a1:1014::10 and 156.154.65.10.

The host name ns2.amzndns.net points to 2610:a1:1017::10 and 156.154.69.10.

The host name ns1.amzndns.org points to 2610:a1:1015::10 and 156.154.66.10.

The host name ns2.amzndns.org points to 2610:a1:31d1::53 and 156.154.150.1.

The host name ns1.amzndns.co.uk points to 2001:502:4612::10 and 156.154.67.10.

The host name ns2.amzndns.co.uk points to 2610:a1:32d1::53 and 204.74.120.1.

Host names with one IP number:

The host name dns-external-master.amazon.com points to 204.74.108.1.